Title: Cheap Flights to Siem Reap - Expedia.co.uk ![Siem Reap featuring a ruin](https://images.trvl-media.com/place/553248634340877579/1cbcf399-17bf-4db2-87a1-8b5872dd5c59.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/553248634340877579/1cbcf399-17bf-4db2-87a1-8b5872dd5c59.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £44 Cheap Flights to Siem Reap [View £44 flight on Sat, 7 Mar 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:KUL,to:SAI,departure:07/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:43.08&airProductToken=AQosCioIxrIBEgQzNTIwGIpdIJJAKKP4hgMwtPmGAzhPQABYAWoFU0FWRVJyAU8SCggLEAEYCCoCRlkYASIECAEQASgCMAM) - [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 [Siem Reap Hotels](https://expedia.co.uk/Destinations-In-Siem-Reap.d553248627840649665.Hotel-Destinations)[Holiday Rentals in Siem Reap](https://expedia.co.uk/Destinations-In-Siem-Reap.d553248627840649665.Holiday-Rental-Destinations)[Siem Reap Car Hire](https://expedia.co.uk/Destinations-In-Siem-Reap.d553248627840649665.Car-Hire-Destinations)[Siem Reap Holidays](https://expedia.co.uk/Siem-Reap.d553248627840649665.Holidays-City-Breaks) ## Popular airlines to Siem Reap - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_VN.svg) Vietnam Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_SQ.svg) Singapore Airlines - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EK.svg) Emirates - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_QR.svg) Qatar Airways - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PG.svg) Bangkok Airways - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TG.svg) Thai Airways International - ![](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\* - ![](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\* - ![](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 round-trip flights to Siem Reap Prices were available within the past 7 days and start at £44 for one-way flights and £114 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Air Cambodia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/K6.GIF) Mon, 16 Mar - Sat, 21 Mar KTI Phnom Penh SAI Siem Reap £114 Return just found [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:KTI,to:SAI,departure:16/03/2026TANYT&leg2=from:SAI,to:KTI,departure:21/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:113.60&airProductToken=AQotCisIy2wSAzEwMxjqRCCSQCjS3YcDMITehwM4UUAAWAFqBVBST01PcgRRUjFNCi0KKwjLbBIDMTEwGJJAIOpEKLCciAMw3ZyIAzhQQABYAWoFUFJPTU9yBFBSMU0SCggBEAEYASoCSFIYASIECAEQASgCKAMoBDAB) ![Firefly](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/FY.gif) Tue, 24 Feb - Sat, 28 Feb KUL Kuala Lumpur SAI Siem Reap £127 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:KUL,to:SAI,departure:24/02/2026TANYT&leg2=from:SAI,to:KUL,departure:28/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:126.48&airProductToken=AQosCioIxrIBEgQzNTIwGIpdIJJAKMP8hQMw1P2FAzhFQABYAWoFU0FWRVJyAUUKLAoqCMayARIEMzUyMRiSQCCKXSiQq4YDMKushgM4RUAAWAFqBVNBVkVScgFFEgoICxABGAgqAkZZGAEiBAgBEAEoAjAD) ![Vietjet Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VJ.gif) Wed, 20 May - Sat, 23 May HAN Hanoi SAI Siem Reap £138 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:HAN,to:SAI,departure:20/05/2026TANYT&leg2=from:SAI,to:HAN,departure:23/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:137.40&airProductToken=AQomCiQI1pQBEgM5MTMYh2ggkkAo8LyNAzDZvY0DOEVAAFgBcgNFU1AKJgokCNaUARIDOTE0GJJAIIdoKPXfjQMw3uCNAzhFQABYAXIDRVNQEgoIARABGAEqAkhSGAEiBAgBEAEoAigDKAQwAQ) ![Emirates](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EK.gif) Sat, 14 Feb - Sat, 21 Feb BKK Bangkok SAI Siem Reap £150 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BKK,to:SAI,departure:14/02/2026TANYT&leg2=from:SAI,to:BKK,departure:21/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:149.10&airProductToken=AQovCi0IxZYBEgMzNzAYwVIgkkAo4pGFAzCykoUDOFRAAFgBagJZUHIIVEVFTlBUSDEKLwotCMWWARIDMzcxGJJAIMFSKLLihQMwguOFAzhUQABYAWoCWVByCFRFRU5QVEgxEgoIAhABGAEqAkVLGAEiBAgBEAEoAigDKAQwCw) ![Vietnam Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VN.gif) Tue, 11 Aug - Tue, 25 Aug SGN Ho Chi Minh City SAI Siem Reap £163 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SGN,to:SAI,departure:11/08/2026TANYT&leg2=from:SAI,to:SGN,departure:25/08/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:162.50&airProductToken=AQpDCiAI1pwBEgQ2MDAyGNJpIIdoKKjdlAMwqt6UAzhUQABYAQofCNacARIDODM3GIdoIJJAKJ7ilAMwguOUAzhUQAFYAQpCCh8I1pwBEgM4MzYYkkAgh2go-YCWAzDigZYDOEVAAFgBCh8I1pwBEgMyNjcYh2gg0mko5IKWAzDmg5YDOEVAAVgBEgoIARABGAEqAlZOGAEiBAgBEAEoBDAB) ![Vietjet Air](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VJ.gif) Sun, 22 Mar - Wed, 25 Mar DAD Da Nang SAI Siem Reap £165 Return found 19 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:DAD,to:SAI,departure:22/03/2026TANYT&leg2=from:SAI,to:DAD,departure:25/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:164.50&airProductToken=AQpMCiQI1pQBEgM1MjQYgxggh2gouKCIAzCIoYgDOEFAAFgBcgNBU1AKJAjWlAESAzkxMxiHaCCSQCiQpYgDMPmliAM4QUABWAFyA0FTUApMCiQI1pQBEgM5MTQYkkAgh2golciIAzD-yIgDOFpAAFgBcgNaU1AKJAjWlAESAzUwMxiHaCCDGCifzYgDMOrNiAM4WkABWAFyA1pTUBIKCAEQARgBKgJIUhgBIgQIARABKAIoAygEMAE) ![Singapore Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SQ.gif) Wed, 30 Sept - Sat, 24 Oct SIN Singapore SAI Siem Reap £188 Return found 7 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SIN,to:SAI,departure:30/09/2026TANYT&leg2=from:SAI,to:SIN,departure:24/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:187.30&airProductToken=AQo5CjcI06IBEgMxNjYYkmogkkAovpOZAzDKlJkDOEtAAFgBagxFY29ub215IExpdGVyCEsxNlNHUlBPCjkKNwjTogESAzE2MxiSQCCSaiiyoJsDMMOhmwM4S0AAWAFqDEVjb25vbXkgTGl0ZXIISzE2U0dSUE8SCggCEAEYASoCU1EYASIECAEQASgCKAMoBDAP) ![Vietnam Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/VN.gif) Tue, 10 Mar - Sun, 15 Mar HKG Hong Kong SAR SAI Siem Reap £231 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:HKG,to:SAI,departure:10/03/2026TANYT&leg2=from:SAI,to:HKG,departure:15/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:230.80&airProductToken=AQpeCicI1pwBEgM1OTUYxzIg0mko4J6HAzCFoIcDOFRAAFgBcgZUMU1BTjYKMwjWnAESBDM4MTkY0mkgkkAo0KWHAzCbpocDOFRAAVgBcgZUMU1BTjZ6CQjLbBIEMzgxOQpeCjMI1pwBEgQzODE4GJJAINJpKK_ThwMw-tOHAzhUQABYAXIGVDFNQU42egkIy2wSBDM4MTgKJwjWnAESAzU5NBjSaSDHMiia1YcDMLXWhwM4VEABWAFyBlQxTUFONhIKCAEQARgBKgJWThgBIgQIARABKAIoBCgGMAE) ![Bangkok Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/PG.gif) Mon, 23 Mar - Sat, 28 Mar HKT Phuket SAI Siem Reap £281 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:HKT,to:SAI,departure:23/03/2026TANYT&leg2=from:SAI,to:HKT,departure:28/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:280.30&airProductToken=AQphCi8I0I4BEgMyODAYx5oBIMFSKPqyiAMw2bOIAzhHQABYAWoGRUNPU1YxcgVXTFVTVgouCNSOARIDNTg4GMFSIJJAKM23iAMwibiIAzhXQAFYAWoGRUNPU1YxcgVXTFVTVgphCi4I1I4BEgM1ODkYkkAgwVIoyuWIAzCL5ogDOFdAAFgBagZFQ09TVjFyBVdMVVNWCi8I1I4BEgMyMTcYwVIgx5oBKIfpiAMw4emIAzhXQAFYAWoGRUNPU1YxcgVXTFVTVhIKCAEQARgBKgJURxgBIgQIARABKAIoAygEMAE) ![Singapore Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/SQ.gif) Sat, 4 Apr - Sat, 11 Apr SZB Subang SAI Siem Reap £379 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:SZB,to:SAI,departure:04/04/2026TANYT&leg2=from:SAI,to:SZB,departure:11/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:378.80&airProductToken=AQqBAQpFCNOiARIEODU4NRiyDiCSaijotYkDML22iQM4RUAAWAFqDUVjb25vbXkgRmxleGlyCEUzMU1ZUlBPegoI1KQBEgQ4NTg1CjgI06IBEgMxNjQYkmogkkAoub6JAzDAv4kDOEVAAVgBag1FY29ub215IEZsZXhpcghFMzFNWVJQTwqBAQo4CNOiARIDMTYzGJJAIJJqKLKDigMww4SKAzhOQABYAWoNRWNvbm9teSBWYWx1ZXIITjM1TVlSUE8KRQjTogESBDg1ODQYkmogsg4o9Y6KAzC2j4oDOE5AAVgBag1FY29ub215IFZhbHVlcghOMzVNWVJQT3oKCNSkARIEODU4NBIKCAIQARgBKgJTURgBIgQIARABKAIoAygEMA8) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-uk-fr-de.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Holiday Sale Members save up to 40% on hotels and holiday homes. Plan this year’s big trip and save. [Book now](https://expedia.co.uk/cheap-deals?rfrr=FTG_SPRING_PROMO_) ## Top tips for booking flights to Siem Reap from UK ### Get ready to fly to Siem Reap Prepare your luggage and book your flights to Siem Reap with Expedia. We offer a seamless flight booking experience, with a wide range of Siem Reap plane tickets to choose from. If you need help finding some of the best deals for cheap flights to Siem Reap in 2026, we are always available to assist you. Book your flights to Siem Reap today and let the adventure begin! ### Find the best tickets to Siem Reap To find some of the best tickets to Siem Reap in 2026, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to Siem Reap or last-minute flights to Siem Reap, you can filter and sort your search results, making it easy to find the ideal flight to Siem Reap. ### Airlines fly to Siem Reap There are 20 different airlines that fly to Siem Reap including some of the most trusted names in the business. To book flights to Siem Reap with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best Siem Reap plane tickets. ### Find the cheapest flights to Siem Reap By booking early you may find some of the best deals for Siem Reap flights from the UK, including Siem Reap direct flights. You can usually find affordable and cheap flights to Siem Reap, whether one-way from £44 or round-trip from £114, with Expedia if you book your trip far enough in advance. ### Find the best airports for cheap flights to Siem Reap Try searching for different Siem Reap airports with Expedia to find some of the cheapest flights to Siem Reap. Flights from Kuala Lumpur (KUL) to Siem Reap (SAI) usually have the lowest price from £44. ### Why book your flights to Siem Reap with Expedia Expedia offers great deals on Siem Reap air fares from £44 to cater to every budget. Not only is Expedia one of the top platforms to book flights to Siem Reap from the UK, it is also your one-stop shop for booking hotels, car rentals, and more. \*Prices and availability are subject to change. Additional terms apply. ## Siem Reap Flights Information | Airlines serving | Firefly, Air Cambodia, Vietjet Air, Bangkok Airways, Vietnam Airlines, Malaysia Airlines, IndiGo, Emirates, Hahn Air Systems, Singapore Airlines | | ---------------- | ------------------------------------------------------------------------------------------------------------------------------------------------ | | Roundtrip price | from £114 | ## Frequently asked questions ### How do I find cheap flights to Siem Reap that have flexible change policies? ### How can I find cheap tickets to Siem Reap? ### How much is a flight to Siem Reap? ### When is the cheapest time to fly to Siem Reap? ### How much is a plane ticket to Siem Reap? ### What is the best time to go to Siem Reap? ### What months are the cheapest to book a flight to Siem Reap? - Top Flights Destinations - Top Siem Reap Hotels - Related Airlines ### Top Flight Destinations In Siem Reap - [Flights to Siem Reap ](https://expedia.co.uk/Cheap-Flights-To-Siem-Reap.d2975.Travel-Guide-Flights) - [Flights to Northwestern Cambodia ](https://expedia.co.uk/Cheap-Flights-To-Northwestern-Cambodia.d6228247.Travel-Guide-Flights) ### Top Flight Destinations In World - [Flights to Brazil ](https://expedia.co.uk/Destinations-In-Brazil.d23.Flight-Destinations) - [Flights to Philippines ](https://expedia.co.uk/Destinations-In-Philippines.d145.Flight-Destinations) - [Flights to Greece ](https://expedia.co.uk/Destinations-In-Greece.d67.Flight-Destinations) - [Flights to Russia ](https://expedia.co.uk/Destinations-In-Russia.d153.Flight-Destinations) - [Flights to Germany ](https://expedia.co.uk/Destinations-In-Germany.d64.Flight-Destinations) - [Flights to United States of America ](https://expedia.co.uk/Destinations-In-United-States-Of-America.d201.Flight-Destinations) - [Flights to Mexico ](https://expedia.co.uk/Destinations-In-Mexico.d117.Flight-Destinations) - [Flights to Norway ](https://expedia.co.uk/Destinations-In-Norway.d138.Flight-Destinations) - [Flights to India ](https://expedia.co.uk/Destinations-In-India.d80.Flight-Destinations) - [Flights to United Kingdom ](https://expedia.co.uk/Destinations-In-United-Kingdom.d190.Flight-Destinations) - [Flights to Thailand ](https://expedia.co.uk/Destinations-In-Thailand.d178.Flight-Destinations) - [Flights to France ](https://expedia.co.uk/Destinations-In-France.d59.Flight-Destinations) - [Flights to Indonesia ](https://expedia.co.uk/Destinations-In-Indonesia.d81.Flight-Destinations) - [Flights to Sweden ](https://expedia.co.uk/Destinations-In-Sweden.d173.Flight-Destinations) - [Flights to Argentina ](https://expedia.co.uk/Destinations-In-Argentina.d8.Flight-Destinations) - [Flights to Colombia ](https://expedia.co.uk/Destinations-In-Colombia.d38.Flight-Destinations) - [Flights to Switzerland ](https://expedia.co.uk/Destinations-In-Switzerland.d174.Flight-Destinations) - [Flights to Australia ](https://expedia.co.uk/Destinations-In-Australia.d10.Flight-Destinations) - [Flights to Spain ](https://expedia.co.uk/Destinations-In-Spain.d166.Flight-Destinations) - [Flights to Italy ](https://expedia.co.uk/Destinations-In-Italy.d86.Flight-Destinations) ### Top Siem Reap Hotels - [Saem Siemreap Hotel ](https://expedia.co.uk/Siem-Reap-Hotels-Saem-Siemreap-Hotel.h5709343.Hotel-Information) - [J7 Angkor Hotel ](https://expedia.co.uk/Siem-Reap-Hotels-J7-Hotel.h15950486.Hotel-Information) - [Park Hyatt Siem Reap ](https://expedia.co.uk/Siem-Reap-Hotels-Park-Hyatt-Siem-Reap.h1287692.Hotel-Information) - [Prince Angkor Hotel & Spa ](https://expedia.co.uk/Siem-Reap-Hotels-Prince-D-Angkor-Hotel-Spa.h1517290.Hotel-Information) - [Borei Angkor Resort & Spa ](https://expedia.co.uk/Siem-Reap-Hotels-Borei-Angkor-Resort-Spa.h1679834.Hotel-Information) - [Shinta Mani Angkor ](https://expedia.co.uk/Siem-Reap-Hotels-Shinta-Mani-Angkor.h1075444.Hotel-Information) - [Royal Empire Hotel ](https://expedia.co.uk/Siem-Reap-Hotels-Royal-Empire-Hotel.h2692686.Hotel-Information) - [Golden Temple Boutique ](https://expedia.co.uk/Siem-Reap-Hotels-Golden-Temple-Boutique.h19384900.Hotel-Information) - [Memoire Palace Resort & Spa ](https://expedia.co.uk/Siem-Reap-Hotels-Memoire-Palace-Resort-Spa.h21386345.Hotel-Information) - [Angkor Miracle Resort & Spa ](https://expedia.co.uk/Siem-Reap-Hotels-Angkor-Miracle-Resort-Spa.h2636115.Hotel-Information) - [Le Grande Indochine Hotel ](https://expedia.co.uk/Siem-Reap-Hotels-Le-Grande-Indochine-Hotel.h114253723.Hotel-Information) - [Angkor Land Urban Boutique ](https://expedia.co.uk/Siem-Reap-Hotels-Angkor-Land-Urban-Boutique.h90986819.Hotel-Information) - [Lotus Blanc Resort ](https://expedia.co.uk/Siem-Reap-Hotels-Lotus-Blanc-Resort.h2641498.Hotel-Information) - [Central Suite Residence ](https://expedia.co.uk/Siem-Reap-Hotels-Central-Suite-Residence.h13400768.Hotel-Information) - [Royal Crown Hotel & Spa ](https://expedia.co.uk/Siem-Reap-Hotels-Royal-Crown-Hotel-Spa.h5479521.Hotel-Information) - [Raffles Grand Hotel d'Angkor ](https://expedia.co.uk/Siem-Reap-Hotels-Raffles-Grand-Hotel-DAngkor.h447794.Hotel-Information) - [Hari Residence & Spa ](https://expedia.co.uk/Siem-Reap-Hotels-Hari-Residence-Spa.h23595772.Hotel-Information) - [Templation Hotel ](https://expedia.co.uk/Siem-Reap-Hotels-Templation-Hotel.h12958727.Hotel-Information) - [Villa Indochine d'Angkor ](https://expedia.co.uk/Siem-Reap-Hotels-The-Brightness-Residence.h95056922.Hotel-Information) - [The Twizt Lifestyle Hostel & Hotel ](https://expedia.co.uk/Siem-Reap-Hotels-The-Twizt-Lifestyle-Hostel.h36094559.Hotel-Information) ### Related Airlines - [Amber Air ](https://expedia.co.uk/Amber-Air-Flights.c0A.Travel-Guide-Airlines) - [BlueAir ](https://expedia.co.uk/BlueAir-Flights.c0B.Travel-Guide-Airlines) - [Catovair ](https://expedia.co.uk/Cobra-Aviation-Flights.c0C.Travel-Guide-Airlines) - [Darwin Airline SA Lugano ](https://expedia.co.uk/Darwin-Airline-SA-Lugano-Flights.c0D.Travel-Guide-Airlines) - [Evergreen International ](https://expedia.co.uk/Evergreen-International-Flights.c0E.Travel-Guide-Airlines) - [Ghadames Air Transport ](https://expedia.co.uk/Ghadames-Air-Transport-Flights.c0G.Travel-Guide-Airlines) - [Aircompany Kokshetau ](https://expedia.co.uk/AirCompany-Kokshetau-Flights.c0K.Travel-Guide-Airlines) - [Vietnam Air Service Co. ](https://expedia.co.uk/Vietnam-Air-Service-Co-Flights.c0V.Travel-Guide-Airlines) - [West Caribbean Costa Rica ](https://expedia.co.uk/West-Caribbean-Costa-Rica-Flights.c0W.Travel-Guide-Airlines) - [Olympus Airways ](https://expedia.co.uk/Olympus-Airways-Flights.c11.Travel-Guide-Airlines) ## Trending flights to Siem Reap These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Austrian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/OS.gif) Tue, 8 Sept - Tue, 6 Oct LHR London SAI Siem Reap £544 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:SAI,departure:08/09/2026TANYT&leg2=from:SAI,to:LHR,departure:06/10/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:543.65&airProductToken=AQqrAQo0CM-mARIDMzM4GOuJASCVIij2oZcDMPiilwM4S0AAWAFqCEVDT1NBVkVScghLWDBYU1lOQwoxCM-mARIBNxiVIiDBUiivo5cDMJaolwM4S0ABWAFqCEVDT1NBVkVScghLWDBYU1lOQwpACM-mARIEODY5MRjBUiCSQCixqZcDMIGqlwM4S0ABWAFqCEVDT1NBVkVScghLWDBYU1lOQ3oKCNCOARIEODY5MQqrAQpACM-mARIEODY5MhiSQCDBUiiJ2pkDMOPamQM4S0AAWAFqCEVDT1NBVkVScghLWDBYU1lOQ3oKCNCOARIEODY5MgoxCM-mARIBOBjBUiCVIiiI3JkDMJfhmQM4S0ABWAFqCEVDT1NBVkVScghLWDBYU1lOQwo0CM-mARIDMzMxGJUiIOuJASji4ZkDMPjimQM4S0ABWAFqCEVDT1NBVkVScghLWDBYU1lOQxIKCAIQARgCKgJPUxgBIgQIARABKAIoAygEMAs) \*Available to Expedia members.