Title: £214 Cheap Flights from Chiang Mai to London (CNX to LHR) - Expedia.co.uk ![](https://images.trvl-media.com/place/178279/2a1d5619-553b-468a-a773-e81b88024741.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/178279/2a1d5619-553b-468a-a773-e81b88024741.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £214 Cheap Flights from Chiang Mai (CNX) to London (LHR) [View £214 flight on Sat, 27 Dec 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:CNX,to:LHR,departure:27/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:214.00&airProductToken=AQpnCjIIxbIBEgM0MjcYorsBIIA9KK7lgAMw4eiAAzhFQABYAWoGWUJBU0lDcghFTk4yMEg1OQoxCMWyARICNjcYgD0g64kBKKLpgAMwgu2AAzhFQAFYAWoGWUJBU0lDcghFTk4yMEg1ORIKCAEQARgBKgJFWRgBIgQIARABKAIoAygEMAE) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Chiang Mai Intl. Airport (CNX) to Heathrow Airport (LHR) - ![Etihad Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EY.svg) Etihad Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:CNX,to:LHR,departure:10/12/2025TANYT&leg2=from:LHR,to:CNX,departure:17/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EY"}}]) - ![Cathay Pacific](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_CX.svg) Cathay Pacific [](https://www.expedia.co.uk/Flights-Search?leg1=from:CNX,to:LHR,departure:10/12/2025TANYT&leg2=from:LHR,to:CNX,departure:17/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"CX"}}]) - ![Malaysia Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_MH.svg) Malaysia Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CNX,to:LHR,departure:10/12/2025TANYT&leg2=from:LHR,to:CNX,departure:17/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"MH"}}]) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:CNX,to:LHR,departure:10/12/2025TANYT&leg2=from:LHR,to:CNX,departure:17/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Swiss International Air Lines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CNX,to:LHR,departure:10/12/2025TANYT&leg2=from:LHR,to:CNX,departure:17/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ![Qatar Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_QR.svg) Qatar Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:CNX,to:LHR,departure:10/12/2025TANYT&leg2=from:LHR,to:CNX,departure:17/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"QR"}}]) - ![Austrian Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_OS.svg) Austrian Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CNX,to:LHR,departure:10/12/2025TANYT&leg2=from:LHR,to:CNX,departure:17/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"OS"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap Flights from Chiang Mai (CNX) to London (LHR) Prices were available within the past 7 days and start at £214 for one-way flights and £497 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Etihad Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EY.GIF) Thu, 25 Dec - Wed, 7 Jan CNX Chiang Mai LHR London £497 Return found 13 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CNX,to:LHR,departure:25/12/2025TANYT&leg2=from:LHR,to:CNX,departure:07/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:496.69&airProductToken=AQpnCjIIxbIBEgM0MjcYorsBIIA9KO7OgAMwodKAAzhFQABYAWoGWUJBU0lDcghFTk4yMEg1OQoxCMWyARICNjUYgD0g64kBKLDcgAMwhuCAAzhFQAFYAWoGWUJBU0lDcghFTk4yMEg1ORIKCAEQARgBKgJFWRgBIgQIARABKAIoAygEMAE) ![China Eastern Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/MU.gif) Tue, 16 Dec - Fri, 9 Jan CNX Chiang Mai LHR London £591 Return found 13 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CNX,to:LHR,departure:16/12/2025TANYT&leg2=from:LHR,to:CNX,departure:09/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:590.39&airProductToken=AQpgCi4IzaoBEgMyMDYYorsBIK81KOPs_wIw7O7_AjhUQABYAWoCRVNyCFRLRTAzQ1NTCi4IzaoBEgM1NTEYrzUg64kBKMr2_wIwmvz_AjhUQAFYAWoCRVNyCFQxMjBEQlNDCpEBCi4IzaoBEgM1NTIY64kBIK81KMyAggMw6oWCAzhaQABYAWoCRVNyCFoxUzBUSFNECi4IzaoBEgQ1ODE4GK81IIozKJuIggMw94mCAzhCQAFYAWoCRVNyCFoxUzBUSFNECi8IzaoBEgQ5NjM5GIozIKK7ASiqjYIDMJ2OggM4VEABWAFqAkVTcghUS0UwM0NTUxIKCAEQARgBKgJNVRgBIgQIARABKAIoAygEMAE) ![Etihad Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EY.GIF) Tue, 16 Dec - Mon, 2 Mar CNX Chiang Mai LHR London £624 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CNX,to:LHR,departure:16/12/2025TANYT&leg2=from:LHR,to:CNX,departure:02/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:623.96&airProductToken=AQpnCjIIxbIBEgM0MjcYorsBIIA9KM7p_wIwge3_AjhFQABYAWoGWUJBU0lDcghFTk4ySUg1OQoxCMWyARICNjcYgD0g64kBKMLt_wIwovH_AjhFQAFYAWoGWUJBU0lDcghFTk4ySUg1OQpnCjEIxbIBEgI2MhjriQEggD0o8sOGAzCRx4YDOEVAAFgBagZZQkFTSUNyCEVOTjJJSDU5CjIIxbIBEgM0MjYYgD0gorsBKPDHhgMwycqGAzhFQAFYAWoGWUJBU0lDcghFTk4ySUg1ORIKCAEQARgBKgJFWRgBIgQIARABKAIoAygEMAE) ![Air China](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CA.GIF) Fri, 26 Dec - Tue, 13 Jan CNX Chiang Mai LHR London £628 Return found 9 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CNX,to:LHR,departure:26/12/2025TANYT&leg2=from:LHR,to:CNX,departure:13/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:627.59&airProductToken=AQpkCjAIw4IBEgM4MjQYorsBII9RKOXggAMw5OKAAzhQQABYAWoGU1RERUNPcgZQTkNBUzYKMAjDggESAzkzNxiPUSDriQEo2ueAAzDu7IADOFBAAVgBagZTVERFQ09yBlBOQ0FTNgpmCjEIw4IBEgM5MzgY64kBII9RKKmtggMwhrKCAzhMQABYAWoHRkxFWEVDT3IGTFJDQVM2CjEIw4IBEgM4MjMYj1EgorsBKM6zggMw-rWCAzhMQAFYAWoHRkxFWEVDT3IGTFJDQVM2EgoIARABGAEqAkNBGAEiBAgBEAEoAigDKAQwAQ) ![Malaysia Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/MH.gif) Sat, 2 May - Sun, 3 May CNX Chiang Mai LHR London £671 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CNX,to:LHR,departure:02/05/2026TANYT&leg2=from:LHR,to:CNX,departure:03/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:670.79&airProductToken=AQpkCjEIzZABEgM3OTMYorsBIIpdKMzxiwMwgPOLAzhPQABYAWoFQkFTSUNyCE9MVEJYMlRICi8IzZABEgEyGIpdIOuJASii9YsDMMf7iwM4T0ABWAFqBUJBU0lDcghPTFRCWDJUSApkCi8IzZABEgEzGOuJASCKXSj4_YsDMJOEjAM4T0AAWAFqBUJBU0lDcghPTFRCWDJUSAoxCM2QARIDNzcyGIpdIKK7ASiuhYwDMNiGjAM4T0ABWAFqBUJBU0lDcghPTFRCWDJUSBIKCAIQARgCKgJNSBgBIgQIARABKAIoBCgGMAE) ![Austrian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/OS.gif) Tue, 19 May - Tue, 2 Jun CNX Chiang Mai LHR London £675 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CNX,to:LHR,departure:19/05/2026TANYT&leg2=from:LHR,to:CNX,departure:02/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:674.95&airProductToken=AQqsAQpBCM-mARIEODU5NBiiuwEgwVIo8rONAzDCtI0DOEtAAFgBaghFQ09TQVZFUnIIS1gwWERZTkN6CgjUjgESBDg1OTQKMQjPpgESATgYwVIglSIoiLWNAzCXuo0DOEtAAVgBaghFQ09TQVZFUnIIS1gwWERZTkMKNAjPpgESAzMzMxiVIiDriQEom7yNAzCxvY0DOEtAAVgBaghFQ09TQVZFUnIIS1gwWERZTkMKrAEKNAjPpgESAzMzOBjriQEglSIottOOAzC41I4DOEtAAFgBaghFQ09TQVZFUnIIS1gwWERZTkMKMQjPpgESATcYlSIgwVIo79SOAzDW2Y4DOEtAAVgBaghFQ09TQVZFUnIIS1gwWERZTkMKQQjPpgESBDg2ODMYwVIgorsBKIrbjgMw2tuOAzhLQAFYAWoIRUNPU0FWRVJyCEtYMFhEWU5DegoI0I4BEgQ4NjgzEgoIAhABGAIqAk9TGAEiBAgBEAEoAigDKAQwCw) ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Sun, 24 May - Sun, 7 Jun CNX Chiang Mai LHR London £679 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CNX,to:LHR,departure:24/05/2026TANYT&leg2=from:LHR,to:CNX,departure:07/06/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:678.55&airProductToken=AQquAQpBCMywARIENDE1MxiiuwEgwVIozOuNAzCh7I0DOEtAAFgBaghFQ09TQVZFUnIIS1gwWERZTkN6CgjQjgESBDQxNTMKMwjMsAESAzE4MRjBUiC5PCi-840DMP_4jQM4S0ABWAFqCEVDT1NBVkVScghLWDBYRFlOQwo0CMywARIDMzQwGLk8IOuJASjP-Y0DML36jQM4S0ABWAFqCEVDT1NBVkVScghLWDBYRFlOQwquAQo0CMywARIDMzQ1GOuJASC5PCishY8DMJCGjwM4S0AAWAFqCEVDT1NBVkVScghLWDBYRFlOQwozCMywARIDMTgwGLk8IMFSKLuKjwMwxY-PAzhLQAFYAWoIRUNPU0FWRVJyCEtYMFhEWU5DCkEIzLABEgQ0MTUwGMFSIKK7ASjlkI8DMLWRjwM4S0ABWAFqCEVDT1NBVkVScghLWDBYRFlOQ3oKCNCOARIENDE1MBIKCAIQARgCKgJMWBgBIgQIARABKAIoAygEMAs) ![China Southern Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CZ.gif) Tue, 23 Dec - Wed, 7 Jan CNX Chiang Mai LHR London £694 Return found 15 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CNX,to:LHR,departure:23/12/2025TANYT&leg2=from:LHR,to:CNX,departure:07/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:693.19&airProductToken=AQpZCisIw7QBEgQzMDM0GKK7ASCCaCiGvYADMKG-gAM4QUAAWAFyCFYyQVNSWVNYCioIw7QBEgMzMDMYgmgg64kBKLTFgAMwu8uAAzhWQAFYAXIIVjJBU1JZU1gKWQoqCMO0ARIDMzA0GOuJASCCaCjI6oEDMKLwgQM4VkAAWAFyCFYyTFNSWUdCCisIw7QBEgQzMDMzGIJoIKK7ASis-oEDMOr7gQM4VkABWAFyCFYyQVBFWUFEEgoIARABGAEqAkNaGAEiBAgBEAEoAigDKAQwAQ) ![Cathay Pacific](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CX.gif) Thu, 5 Mar - Thu, 12 Mar CNX Chiang Mai LHR London £701 Return found 11 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CNX,to:LHR,departure:05/03/2026TANYT&leg2=from:LHR,to:CNX,departure:12/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:700.13&airProductToken=AQp7CkIIw7ABEgQ1NzU1GKK7ASDHMii454YDMN3ohgM4UUAAWAFqCUVDT05MSUdIVHIIUVIyMVRIQUF6CgjVngESBDU3NTUKNQjDsAESAzI1NxjHMiDriQEo6uyGAzDk84YDOFFAAVgBaglFQ09OTElHSFRyCFFSMjFUSEFBCnsKNQjDsAESAzI1NhjriQEgxzIo37mHAzDXv4cDOFFAAFgBaglFQ09OTElHSFRyCFFSMjFUSEFBCkIIw7ABEgQ1NzU2GMcyIKK7ASjMxocDMIrIhwM4UUABWAFqCUVDT05MSUdIVHIIUVIyMVRIQUF6CgjVngESBDU3NTYSCggBEAEYASoCQ1gYASIECAEQASgCKAMoBDAB) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Tue, 16 Dec - Mon, 2 Mar CNX Chiang Mai LHR London £777 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:CNX,to:LHR,departure:16/12/2025TANYT&leg2=from:LHR,to:CNX,departure:02/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:776.25&airProductToken=AQq7AQpBCMyQARIENDYxMRiiuwEgwVIo3e7_AjCy7_8COFRAAFgBaghFQ09TQVZFUnIIVFgwWERZTkN6CgjQjgESBDQ2MTEKMwjMkAESAzc3MxjBUiCMFSi-8P8CMIT2_wI4VEABWAFqCEVDT1NBVkVScghUWDBYRFlOQwpBCMyQARIENDE5MhiMFSDriQEo7fb_AjDl9_8COFRAAVgBaghFQ09TQVZFUnIIVFgwWERZTkN6CgjWmAESBDQxOTIKuwEKQQjMkAESBDQyMDMY64kBIIwVKOvChgMw2cOGAzhTQABYAWoIRUNPU0FWRVJyCFNYMFhEWU5DegoI1pgBEgQ0MjAzCjMIzJABEgM3NzIYjBUgwVIo4MmGAzDWzoYDOFNAAVgBaghFQ09TQVZFUnIIU1gwWERZTkMKQQjMkAESBDQ2MTAYwVIgorsBKIDQhgMw0NCGAzhTQAFYAWoIRUNPU0FWRVJyCFNYMFhEWU5DegoI0I4BEgQ0NjEwEgoIAhABGAIqAkxIGAEiBAgBEAEoAigDKAQwCw) ![](https://forever.travel-assets.com/flex/flexmanager/images/2025/11/05/BEX-BF-25_FR-DE-MX-UK_1_Desktop.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## Black Friday Sale Save up to 40% on select hotels. [Book now](https://expedia.co.uk/cheap-deals?rfrr=FTG_BF_PROMO_) ## Alternative airports near London Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.co.uk/Flights-Search?leg1=from:CNX,to:LGW,departure:10/12/2025TANYT&leg2=from:LGW,to:CNX,departure:18/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LGW Gatwick Cheapest 52 min [Flights from £1,012](https://www.expedia.co.uk/Flights-Search?leg1=from:CNX,to:LGW,departure:10/12/2025TANYT&leg2=from:LGW,to:CNX,departure:18/12/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) Flight from Chiang Mai to London route information | Origin airport | Chiang Mai Intl. | | --- | --- | | Destination airport | Heathrow | | Airlines serving | Air China, Austrian Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, EVA Airways, Etihad Airways, Finnair, Gulf Air, KLM, Korean Air, Lufthansa, Malaysia Airlines, Oman Air, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Thai Airways International, Turkish Airlines | | Return price | £497 | | Distance | 8962 km | ## Compare flights from Chiang Mai to London easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Chiang Mai to London. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Heathrow in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Chiang Mai Intl. to Heathrow.   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Chiang Mai Intl. (CNX) to Heathrow (LHR) The easiest way to view the best deals on flights from Chiang Mai to London today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Chiang Mai Intl. to Heathrow start at just £497 and range up to £777.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Chiang Mai and London - booking your flight during December, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Chiang Mai to London flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Chiang Mai Intl. to Heathrow for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Frequently asked questions ### How much is a flight from CNX to LHR? > Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight from CNX to Heathrow Airport (LHR) was £497. Cheap fares don't stick around for long, so book yours today. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from CNX to London Heathrow? > Most flights can be cancelled online, but every airline has its own set of terms and conditions. If you do need to cancel your flight, check out our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033) and follow the instructions. ### How do I find cheap flights from Chiang Mai Airport to Heathrow Airport that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for CNX to Heathrow Airport (LHR) flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from CNX to LHR? > The distance is around 9,000 kilometres. Travel pillow? Check. A change of clothes? Double check. We suggest you pack all the essentials for this long-haul Chiang Mai to Hounslow flight. ### Which airlines fly direct from Chiang Mai Intl. Airport (CNX) to London Heathrow? > Direct flights aren't available, so you'll have to make at least one stop between Chiang Mai Intl. Airport (CNX) and Heathrow Airport. Take advantage of the layover time to stretch your legs and grab a bite to eat. ### Are Chiang Mai Intl. Airport (CNX) to Heathrow Airport (LHR) flight tickets cheaper when they're purchased at the last minute? > Last-minute planners can sometimes nab a bargain, with some super cheap fares from Chiang Mai Intl. Airport (CNX) to Heathrow Airport popping up a few weeks before the departure date. If you'd rather book ahead, Expedia compares and updates the best flight deals continuously — as early as 12 months in advance in some cases. It depends on the carrier though, as not every airline advertises prices so far in advance. ## Explore a world of travel with Expedia - Accommodation - Flights ### Accommodation - [London Hotels](https://www.expedia.co.uk/London-Hotels.d178279.Travel-Guide-Hotels) ### Flights - [Flights to London](https://www.expedia.co.uk/Cheap-Flights-To-London.d178279.Travel-Guide-Flights) - [Flights from Abidjan (ABJ) to London (LON)](https://www.expedia.co.uk/lp/flights/abj/lon/abidjan-to-london) - [Flights from Aberdeen (ABZ) to London (LON)](https://www.expedia.co.uk/lp/flights/abz/lon/aberdeen-to-london) - [Flights from Accra (ACC) to London (LON)](https://www.expedia.co.uk/lp/flights/acc/lon/accra-to-london) - [Flights from Izmir (ADB) to London (LON)](https://www.expedia.co.uk/lp/flights/adb/lon/izmir-to-london) - [Flights from Málaga (AGP) to London (LON)](https://www.expedia.co.uk/lp/flights/agp/lon/malaga-to-london) - [Flights from Alicante (ALC) to London (LON)](https://www.expedia.co.uk/lp/flights/alc/lon/alicante-to-london) - [Flights from Amsterdam (AMS) to London (LON)](https://www.expedia.co.uk/lp/flights/ams/lon/amsterdam-to-london) - [Flights from Angouleme (ANG) to London (LON)](https://www.expedia.co.uk/lp/flights/ang/lon/angouleme-to-london) - [Flights from Athens (ATH) to London (LON)](https://www.expedia.co.uk/lp/flights/ath/lon/athens-to-london) - [Flights from Avignon (AVN) to London (LON)](https://www.expedia.co.uk/lp/flights/avn/lon/avignon-to-london) - [Flights from Barcelona (BCN) to London (LON)](https://www.expedia.co.uk/lp/flights/bcn/lon/barcelona-to-london) - [Flights from Berlin (BER) to London (LON)](https://www.expedia.co.uk/lp/flights/ber/lon/berlin-to-london) - [Flights from Belfast (BFS) to London (LON)](https://www.expedia.co.uk/lp/flights/bfs/lon/belfast-to-london) - [Flights from Belfast (BHD) to London (LON)](https://www.expedia.co.uk/lp/flights/bhd/lon/belfast-to-london) - [Flights from Mumbai (BOM) to London (LON)](https://www.expedia.co.uk/lp/flights/bom/lon/mumbai-to-london) - [Flights from Boston (BOS) to London (LON)](https://www.expedia.co.uk/lp/flights/bos/lon/boston-to-london) - [Flights from Brussels (BRU) to London (LON)](https://www.expedia.co.uk/lp/flights/bru/lon/brussels-to-london) - [Flights from Buenos Aires (BUE) to London (LON)](https://www.expedia.co.uk/lp/flights/bue/lon/buenos-aires-to-london) - [Flights from Brive-la-Gaillarde (BVE) to London (LON)](https://www.expedia.co.uk/lp/flights/bve/lon/brive-la-gaillarde-to-london) - [Flights from Barrow-In-Furness (BWF) to London (LON)](https://www.expedia.co.uk/lp/flights/bwf/lon/barrow-in-furness-to-london) - [Flights from Campbeltown (CAL) to London (LON)](https://www.expedia.co.uk/lp/flights/cal/lon/campbeltown-to-london) - [Flights from Guangzhou (CAN) to London (LON)](https://www.expedia.co.uk/lp/flights/can/lon/guangzhou-to-london) - [Flights from Carlisle (CAX) to London (LON)](https://www.expedia.co.uk/lp/flights/cax/lon/carlisle-to-london) - [Flights from Chester (CEG) to London (LON)](https://www.expedia.co.uk/lp/flights/ceg/lon/chester-to-london) - [Flights from Cherbourg (CER) to London (LON)](https://www.expedia.co.uk/lp/flights/cer/lon/cherbourg-to-london) - [Flights from Chicago (CHI) to London (LON)](https://www.expedia.co.uk/lp/flights/chi/lon/chicago-to-london) - [Flights from Coventry (CVT) to London (LON)](https://www.expedia.co.uk/lp/flights/cvt/lon/coventry-to-london) - [Flights from Daru (DAU) to London (LON)](https://www.expedia.co.uk/lp/flights/dau/lon/daru-to-london) - [Flights from Dundee (DND) to London (LON)](https://www.expedia.co.uk/lp/flights/dnd/lon/dundee-to-london) - [Flights from Dublin (DUB) to London (LON)](https://www.expedia.co.uk/lp/flights/dub/lon/dublin-to-london) - [Flights from Dubai (DXB) to London (LON)](https://www.expedia.co.uk/lp/flights/dxb/lon/dubai-to-london) - [Flights from Edinburgh (EDI) to London (LON)](https://www.expedia.co.uk/lp/flights/edi/lon/edinburgh-to-london) - [Flights from Shoreham-By-Sea (ESH) to London (LON)](https://www.expedia.co.uk/lp/flights/esh/lon/shoreham-by-sea-to-london) - [Flights from Essaouira (ESU) to London (LON)](https://www.expedia.co.uk/lp/flights/esu/lon/essaouira-to-london) - [Flights from Exeter (EXT) to London (LON)](https://www.expedia.co.uk/lp/flights/ext/lon/exeter-to-london) - [Flights from Faro (FAO) to London (LON)](https://www.expedia.co.uk/lp/flights/fao/lon/faro-to-london) - [Flights from Florence (FLR) to London (LON)](https://www.expedia.co.uk/lp/flights/flr/lon/florence-to-london) - [Flights from Freetown (FNA) to London (LON)](https://www.expedia.co.uk/lp/flights/fna/lon/freetown-to-london) - [Flights from Funchal (FNC) to London (LON)](https://www.expedia.co.uk/lp/flights/fnc/lon/funchal-to-london) - [Flights from Frankfurt (FRA) to London (LON)](https://www.expedia.co.uk/lp/flights/fra/lon/frankfurt-to-london) - [Flights from Glasgow (GLA) to London (LON)](https://www.expedia.co.uk/lp/flights/gla/lon/glasgow-to-london) - [Flights from Gazipasa (GZP) to London (LON)](https://www.expedia.co.uk/lp/flights/gzp/lon/gazipasa-to-london) - [Flights from Ibiza (IBZ) to London (LON)](https://www.expedia.co.uk/lp/flights/ibz/lon/ibiza-to-london) - [Flights from Inverness (INV) to London (LON)](https://www.expedia.co.uk/lp/flights/inv/lon/inverness-to-london) - [Flights from Islamabad (ISB) to London (LON)](https://www.expedia.co.uk/lp/flights/isb/lon/islamabad-to-london) - [Flights from Istanbul (IST) to London (LON)](https://www.expedia.co.uk/lp/flights/ist/lon/istanbul-to-london) - [Flights from Ivalo (IVL) to London (LON)](https://www.expedia.co.uk/lp/flights/ivl/lon/ivalo-to-london) - [Flights from Jersey (JER) to London (LON)](https://www.expedia.co.uk/lp/flights/jer/lon/jersey-to-london) - [Flights from New York (JFK) to London (LON)](https://www.expedia.co.uk/lp/flights/jfk/lon/new-york-to-london) - [Flights from Kiel (KEL) to London (LON)](https://www.expedia.co.uk/lp/flights/kel/lon/kiel-to-london) - [Flights from Larnaca (LCA) to London (LON)](https://www.expedia.co.uk/lp/flights/lca/lon/larnaca-to-london) - [Flights from Le Havre (LEH) to London (LON)](https://www.expedia.co.uk/lp/flights/leh/lon/le-havre-to-london) - [Flights from Lihue (LIH) to London (LON)](https://www.expedia.co.uk/lp/flights/lih/lon/lihue-to-london) - [Flights from Lisbon (LIS) to London (LON)](https://www.expedia.co.uk/lp/flights/lis/lon/lisbon-to-london) - [Flights from Madrid (MAD) to London (LON)](https://www.expedia.co.uk/lp/flights/mad/lon/madrid-to-london) - [Flights from Manchester (MAN) to London (LON)](https://www.expedia.co.uk/lp/flights/man/lon/manchester-to-london) - [Flights from Mehamn (MEH) to London (LON)](https://www.expedia.co.uk/lp/flights/meh/lon/mehamn-to-london) - [Flights from Miami (MIA) to London (LON)](https://www.expedia.co.uk/lp/flights/mia/lon/miami-to-london) - [Flights from Malmo (MMA) to London (LON)](https://www.expedia.co.uk/lp/flights/mma/lon/malmo-to-london) - [Flights from Munich (MUC) to London (LON)](https://www.expedia.co.uk/lp/flights/muc/lon/munich-to-london) - [Flights from Naples (NAP) to London (LON)](https://www.expedia.co.uk/lp/flights/nap/lon/naples-to-london) - [Flights from Newcastle (NCL) to London (LON)](https://www.expedia.co.uk/lp/flights/ncl/lon/newcastle-to-london) - [Flights from Annecy (NCY) to London (LON)](https://www.expedia.co.uk/lp/flights/ncy/lon/annecy-to-london) - [Flights from Newquay (NQY) to London (LON)](https://www.expedia.co.uk/lp/flights/nqy/lon/newquay-to-london) - [Flights from New York (NYC) to London (LON)](https://www.expedia.co.uk/lp/flights/nyc/lon/new-york-to-london) - [Flights from Odense (ODE) to London (LON)](https://www.expedia.co.uk/lp/flights/ode/lon/odense-to-london) - [Flights from Paris (PAR) to London (LON)](https://www.expedia.co.uk/lp/flights/par/lon/paris-to-london) - [Flights from Perugia San Francesco d'Assisi – Umbria Intl. Airport (PEG) to London (LON)](https://www.expedia.co.uk/lp/flights/peg/lon/perugia-san-francesco-dassisi-umbria-intl-airport-to-london) - [Flights from Prague (PRG) to London (LON)](https://www.expedia.co.uk/lp/flights/prg/lon/prague-to-london) - [Flights from Perth (PSL) to London (LON)](https://www.expedia.co.uk/lp/flights/psl/lon/perth-to-london) - [Flights from Plymouth (PYM) to London (LON)](https://www.expedia.co.uk/lp/flights/pym/lon/plymouth-to-london) - [Flights from Gdynia (QYD) to London (LON)](https://www.expedia.co.uk/lp/flights/qyd/lon/gdynia-to-london) - [Flights from Marrakech (RAK) to London (LON)](https://www.expedia.co.uk/lp/flights/rak/lon/marrakech-to-london) - [Flights from Rio de Janeiro (RIO) to London (LON)](https://www.expedia.co.uk/lp/flights/rio/lon/rio-de-janeiro-to-london) - [Flights from Rome (ROM) to London (LON)](https://www.expedia.co.uk/lp/flights/rom/lon/rome-to-london) - [Flights from Skopje (SKP) to London (LON)](https://www.expedia.co.uk/lp/flights/skp/lon/skopje-to-london) - [Flights from Saint-Nazaire (SNR) to London (LON)](https://www.expedia.co.uk/lp/flights/snr/lon/saint-nazaire-to-london) - [Flights from Seville (SVQ) to London (LON)](https://www.expedia.co.uk/lp/flights/svq/lon/seville-to-london) - [Flights from Seward (SWD) to London (LON)](https://www.expedia.co.uk/lp/flights/swd/lon/seward-to-london) - [Flights from Sydney (SYD) to London (LON)](https://www.expedia.co.uk/lp/flights/syd/lon/sydney-to-london) - [Flights from Taranto (TAR) to London (LON)](https://www.expedia.co.uk/lp/flights/tar/lon/taranto-to-london) - [Flights from Tirana (TIA) to London (LON)](https://www.expedia.co.uk/lp/flights/tia/lon/tirana-to-london) - [Flights from Sekondi-Takoradi (TKD) to London (LON)](https://www.expedia.co.uk/lp/flights/tkd/lon/sekondi-takoradi-to-london) - [Flights from Tel Aviv (TLV) to London (LON)](https://www.expedia.co.uk/lp/flights/tlv/lon/tel-aviv-to-london) - [Flights from Tabuk (TUU) to London (LON)](https://www.expedia.co.uk/lp/flights/tuu/lon/tabuk-to-london) - [Flights from Tokyo (TYO) to London (LON)](https://www.expedia.co.uk/lp/flights/tyo/lon/tokyo-to-london) - [Flights from Trabzon (TZX) to London (LON)](https://www.expedia.co.uk/lp/flights/tzx/lon/trabzon-to-london) - [Flights from Venice (VCE) to London (LON)](https://www.expedia.co.uk/lp/flights/vce/lon/venice-to-london) - [Flights from Vienna (VIE) to London (LON)](https://www.expedia.co.uk/lp/flights/vie/lon/vienna-to-london) - [Flights from Abingdon (VJI) to London (LON)](https://www.expedia.co.uk/lp/flights/vji/lon/abingdon-to-london) - [Flights from Valencia (VLC) to London (LON)](https://www.expedia.co.uk/lp/flights/vlc/lon/valencia-to-london) - [Flights from Volos (VOL) to London (LON)](https://www.expedia.co.uk/lp/flights/vol/lon/volos-to-london) - [Flights from Wales (WAA) to London (LON)](https://www.expedia.co.uk/lp/flights/waa/lon/wales-to-london) - [Flights from Wallis Island (WLS) to London (LON)](https://www.expedia.co.uk/lp/flights/wls/lon/wallis-island-to-london) - [Flights from Peterborough (YPQ) to London (LON)](https://www.expedia.co.uk/lp/flights/ypq/lon/peterborough-to-london) - [Flights from Toronto (YTO) to London (LON)](https://www.expedia.co.uk/lp/flights/yto/lon/toronto-to-london) - [Flights from Manzanillo (ZLO) to London (LON)](https://www.expedia.co.uk/lp/flights/zlo/lon/manzanillo-to-london) - [Flights from Zanzibar (ZNZ) to London (LON)](https://www.expedia.co.uk/lp/flights/znz/lon/zanzibar-to-london) \*Available to Expedia members.