Title: £451 Flights from London Heathrow to Boise (LHR to BOI) - Expedia.co.uk ![Autumn trees and the skyline of Boise Idaho](https://images.trvl-media.com/place/602998/1e89fd5a-b294-4170-abe7-96585bd3b40e.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/602998/1e89fd5a-b294-4170-abe7-96585bd3b40e.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £451 Cheap Flights from London (LHR) to Boise (BOI) [View £451 flight on Mon, 3 Nov 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:LHR,to:BOI,departure:03/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:450.07&airProductToken=AQqGAQoqCMWSARIDMTUxGOuJASCDDSjWiPwCMKaJ_AI4T0AAWAFyCE9MWDVDNU00CigIxZIBEgI2MRiDDSCycSjuivwCMIeQ_AI4T0ABWAFyCE9MWDVDNU00Ci4IwaYBEgQzMzc1GLJxIMFDKOyR_AIw1JL8AjhHQAFYAWoCTUFyCEdIMk9aVk1OEgoIARABGAEqAkVJGAEiBAgBEAEoAigDKAQwAQ) - [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 Heathrow Airport (LHR) to Boise Airport (BOI) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:lhr,to:boi,departure:01/10/2025TANYT&leg2=from:boi,to:lhr,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![Iberia](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_IB.svg) Iberia [](https://www.expedia.co.uk/Flights-Search?leg1=from:lhr,to:boi,departure:01/10/2025TANYT&leg2=from:boi,to:lhr,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"IB"}}]) - ![Virgin Atlantic](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_VS.svg) Virgin Atlantic [](https://www.expedia.co.uk/Flights-Search?leg1=from:lhr,to:boi,departure:01/10/2025TANYT&leg2=from:boi,to:lhr,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"VS"}}]) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.co.uk/Flights-Search?leg1=from:lhr,to:boi,departure:01/10/2025TANYT&leg2=from:boi,to:lhr,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![KLM](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KL.svg) KLM [](https://www.expedia.co.uk/Flights-Search?leg1=from:lhr,to:boi,departure:01/10/2025TANYT&leg2=from:boi,to:lhr,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KL"}}]) - ![Icelandair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_FI.svg) Icelandair [](https://www.expedia.co.uk/Flights-Search?leg1=from:lhr,to:boi,departure:01/10/2025TANYT&leg2=from:boi,to:lhr,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FI"}}]) - ![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:lhr,to:boi,departure:01/10/2025TANYT&leg2=from:boi,to:lhr,departure:08/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap Flights from London (LHR) to Boise (BOI) Prices were available within the past 7 days and start at £451 for one-way flights and £543 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Wed, 4 Mar - Mon, 9 Mar LHR London BOI Boise £543 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:BOI,departure:04/03/2026TANYT&leg2=from:BOI,to:LHR,departure:09/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:542.72&airProductToken=AQqhAQo0CMyQARIDOTAxGOuJASClBCja2oYDMLnbhgM4S0AAWAFqCEVDT0xJR0hUcghLTDVNUERCUQozCMyQARIDNDQ2GKUEIINpKPrbhgMwhOGGAzhLQAFYAWoIRUNPTElHSFRyCEtMNU1QREJRCjQIzJABEgQ5MTk0GINpIMFDKMrihgMwwOOGAzhLQAFYAWoIRUNPTElHSFRyCEtMNU1QREJRCm0KNAjMkAESBDg1MzkYwUMgg2kom5iHAzCMmYcDOEtAAFgBaghFQ09MSUdIVHIIS0w1TVBEQlEKNQjMkAESBDc3NzIYg2kg64kBKIOahwMwpJ6HAzhLQAFYAWoIRUNPTElHSFRyCEtMNU1QREJREgoIAhABGAIqAkxIGAEiBAgBEAEoAigDKAQwCw) ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Wed, 4 Mar - Mon, 9 Mar LHR London BOI Boise £555 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:BOI,departure:04/03/2026TANYT&leg2=from:BOI,to:LHR,departure:09/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:554.62&airProductToken=AQqgAQo0CMywARIDMzE3GOuJASC5PCi82oYDMK_bhgM4S0AAWAFqCEVDT0xJR0hUcghLTFBaNUZCUQoyCMywARICMzgYuTwgsnEo_9uGAzDe4YYDOEtAAVgBaghFQ09MSUdIVHIIS0xQWjVGQlEKNAjVggESBDU2NjQYsnEgwUMo3eOGAzDN5IYDOEtAAVgBaghFQ09MSUdIVHIIS0xQWjVGQlEKawo0CNWCARIEMjE3MxjBQyCDaSibmIcDMIyZhwM4S0AAWAFqCEVDT0JBU0lDcghLTFBaNUZCUQozCNWCARICMjcYg2kg64kBKIOahwMwpJ6HAzhLQAFYAWoIRUNPQkFTSUNyCEtMUFo1RkJREgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Mon, 5 Jan - Thu, 15 Jan LHR London BOI Boise £558 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:BOI,departure:05/01/2026TANYT&leg2=from:BOI,to:LHR,departure:15/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:557.27&airProductToken=AQqYAQowCMKCARIDODM4GOuJASCDDSin0oEDMPzSgQM4T0AAWAFqBEVDTVByCE9MWDlHM0I0CjEIwbIBEgQzODIzGIMNIKOxASiH24EDMMvfgQM4T0ABWAFqBEVDTVByCE9MWDlHM0I0CjEIwbIBEgQ1Njg2GKOxASDBQyjS4IEDMKLigQM4T0ABWAFqBEVDTVByCE9MWDlHM0I0CmkKMgjJhAESBDQ2NDYYwUMgo7EBKIjBggMww8KCAzhPQABYAWoFQkFTSUNyCE9MWDlHM0I0CjMIyYQBEgQ0OTE2GKOxASDriQEojsWCAzCvyYIDOE9AAVgBagVCQVNJQ3IIT0xYOUczQjQSCggCEAEYAioCQVkYASIECAEQASgCKAMoBDAB) ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Wed, 4 Mar - Mon, 9 Mar LHR London BOI Boise £560 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:BOI,departure:04/03/2026TANYT&leg2=from:BOI,to:LHR,departure:09/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:559.52&airProductToken=AQqgAQo0CMywARIDMzE3GOuJASC5PCi82oYDMK_bhgM4S0AAWAFqCEVDT0xJR0hUcghLTFBaNUZCUQoyCMywARICMzgYuTwgsnEo_9uGAzDe4YYDOEtAAVgBaghFQ09MSUdIVHIIS0xQWjVGQlEKNAjVggESBDU2NjQYsnEgwUMo3eOGAzDN5IYDOEtAAVgBaghFQ09MSUdIVHIIS0xQWjVGQlEKmwEKMQjBhgESBDMyMTcYwUMgg2kop5aHAzCYl4cDOEtAAFgBagVCQVNJQ3IIS0xQWjlSQlEKMgjBhgESBDEwMzgYg2kgmM4BKM2XhwMwi5mHAzhLQAFYAWoFQkFTSUNyCEtMUFo5UkJRCjIIwYYBEgM4NTYYmM4BIOuJASiwmocDMN6dhwM4S0ABWAFqBUJBU0lDcghLTFBaOVJCURIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMAE) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Tue, 7 Oct - Tue, 14 Oct LHR London BOI Boise £565 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:BOI,departure:07/10/2025TANYT&leg2=from:BOI,to:LHR,departure:14/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:564.22&airProductToken=AQqaAQoyCMGGARIDODYxGOuJASC4jQEottv5AjD_3_kCOEtAAFgBagVCQVNJQ3IIS0w1TVBEQlEKMQjBhgESAzU3MBi4jQEgsnEopuL5AjCw4_kCOEtAAVgBagVCQVNJQ3IIS0w1TVBEQlEKMQjBhgESBDQzODEYsnEgwUMo9-j5AjDf6fkCOEtAAVgBagVCQVNJQ3IIS0w1TVBEQlEKmAEKMQjBhgESBDM5OTcYwUMgsnEosav6AjCorPoCOEtAAFgBagVCQVNJQ3IIS0w1TVBEQlEKMAjBhgESAzc2MhiycSCYXSjgrPoCMKWv-gI4S0ABWAFqBUJBU0lDcghLTDVNUERCUQoxCMGGARIDODY0GJhdIOuJASiTsPoCMKOz-gI4S0ABWAFqBUJBU0lDcghLTDVNUERCURIKCAIQARgCKgJBQxgBIgQIARABKAIoAygEMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Wed, 4 Mar - Mon, 9 Mar LHR London BOI Boise £565 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:BOI,departure:04/03/2026TANYT&leg2=from:BOI,to:LHR,departure:09/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:564.22&airProductToken=AQpnCjEIwYIBEgI3ORjriQEgo7EBKOvbhgMw1-CGAzhCQABYAWoFQkFTSUNyCE9MWDdHMUI0CjIIwYIBEgQxMDg5GKOxASDBQyjy4YYDMLnjhgM4QkABWAFqBUJBU0lDcghPTFg3RzFCNApnCjIIwYIBEgQyOTQ0GMFDIKOxASjgl4cDMJqZhwM4QkAAWAFqBUJBU0lDcghPTFg3RzFCNAoxCMGCARICODAYo7EBIOuJASiNmocDMLiehwM4QkABWAFqBUJBU0lDcghPTFg3RzFCNBIKCAIQARgCKgJBQRgBIgQIARABKAIoAygEMAs) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Wed, 4 Mar - Mon, 9 Mar LHR London BOI Boise £565 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:BOI,departure:04/03/2026TANYT&leg2=from:BOI,to:LHR,departure:09/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:564.62&airProductToken=AQqhAQo0CMyQARIDOTAxGOuJASClBCja2oYDMLnbhgM4S0AAWAFqCEVDT0xJR0hUcghLTFBaNUZCUQozCMyQARIDNDQ2GKUEIINpKPrbhgMwhOGGAzhLQAFYAWoIRUNPTElHSFRyCEtMUFo1RkJRCjQIzJABEgQ5MTk0GINpIMFDKMrihgMwwOOGAzhLQAFYAWoIRUNPTElHSFRyCEtMUFo1RkJRCpsBCjEIwYYBEgQzMjE3GMFDIINpKKeWhwMwmJeHAzhLQABYAWoFQkFTSUNyCEtMUFo5UkJRCjIIwYYBEgQxMDM4GINpIJjOASjNl4cDMIuZhwM4S0ABWAFqBUJBU0lDcghLTFBaOVJCUQoyCMGGARIDODU2GJjOASDriQEosJqHAzDenYcDOEtAAVgBagVCQVNJQ3IIS0xQWjlSQlESCggBEAEYASoCQUMYASIECAEQASgCKAMoBDAB) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, 30 Sept - Tue, 7 Oct LHR London BOI Boise £567 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:BOI,departure:30/09/2025TANYT&leg2=from:BOI,to:LHR,departure:07/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:566.22&airProductToken=AQqbAQoxCMGCARIDMTQxGOuJASCpUSj9jvkCMNiS-QI4QkAAWAFqBUJBU0lDcghPTFg3RzFCNAoyCMGCARIEMjM2ORipUSDvuQEo85b5AjC6mfkCOEJAAVgBagVCQVNJQ3IIT0xYN0cxQjQKMgjBggESBDIwMTUY77kBIMFDKOSZ-QIw5Zr5AjhCQAFYAWoFQkFTSUNyCE9MWDdHMUI0CmcKMQjBpgESBDIxNDgYwUMgkgEor935AjCP3vkCOFNAAFgBagVCQVNJQ3IIT0xYN0cxQjQKMgjBggESBDY5MDkYkgEg64kBKO7e-QIwnuP5AjhPQAFYAWoFQkFTSUNyCE9MWDdHMUI0EgoIAhABGAIqAkFBGAEiBAgBEAEoAigDKAQwAQ) ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Wed, 29 Apr - Mon, 4 May LHR London BOI Boise £567 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:BOI,departure:29/04/2026TANYT&leg2=from:BOI,to:LHR,departure:04/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:566.62&airProductToken=AQqiAQo0CMywARIDMzE3GOuJASC5PCjxz4sDMOTQiwM4S0AAWAFqCEVDT0xJR0hUcghLTFBaNUZCUQozCMywARICNDAYuTwgi7gBKLnRiwMwndeLAzhLQAFYAWoIRUNPTElHSFRyCEtMUFo1RkJRCjUI1YIBEgQ1MzYzGIu4ASDBQyjH2IsDMMbZiwM4S0ABWAFqCEVDT0xJR0hUcghLTFBaNUZCUQpsCjQI1YIBEgQ0NzMzGMFDILJxKKiMjAMwoI2MAzhLQABYAWoIRUNPQkFTSUNyCEtMUFo1RkJRCjQI1YIBEgM5MDEYsnEg64kBKOuNjAMw4ZKMAzhLQAFYAWoIRUNPQkFTSUNyCEtMUFo1RkJREgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Mon, 26 Jan - Mon, 2 Feb LHR London BOI Boise £568 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:BOI,departure:26/01/2026TANYT&leg2=from:BOI,to:LHR,departure:02/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:567.72&airProductToken=AQqaAQoxCMmEARIDNzI2GOuJASCMGCicv4MDMK3AgwM4T0AAWAFqBUJBU0lDcghPTFg5RzNCNAoxCMmEARIDMzYzGIwYIKOxASibwYMDMNLGgwM4T0ABWAFqBUJBU0lDcghPTFg5RzNCNAoyCMmEARIENDgwOBijsQEgwUMo38iDAzC2yoMDOE9AAVgBagVCQVNJQ3IIT0xYOUczQjQKaQoyCMmEARIENDY0NhjBQyCjsQEoyIuEAzCDjYQDOE9AAFgBagVCQVNJQ3IIT0xYOUczQjQKMwjJhAESBDQyMDYYo7EBIOuJASi3kIQDMNiUhAM4T0ABWAFqBUJBU0lDcghPTFg5RzNCNBIKCAEQARgBKgJJQhgBIgQIARABKAIoAygEMA0) ## Find the cheapest month to fly from London (LHR) to Boise (BOI) ### November is typically the cheapest month to fly From £501 - £1,016 per traveller. ## Frequently asked questions ### How much is a flight from Heathrow Airport (LHR) to BOI? > Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight from LHR to Boise Airport (BOI) was £543. Cheap fares don't hang around, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from London Heathrow to BOI? > The majority of flights can be cancelled online, but whether you are charged a fee all comes down to your airline. If you do have to cancel your break, follow the easy instructions in the [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ### How do I find cheap flights from LHR to Boise 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 Heathrow Airport (LHR) to Boise Airport flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Heathrow Airport to Boise Airport? > The distance is around 7,800 kilometres. Travel pillow? Check. A change of clothes? Double check. You'll need to pack all the travel comforts for this long-haul Hounslow to Boise flight. ### Which airlines fly direct from Heathrow Airport (LHR) to BOI? > At present, no airlines offer direct flights from Heathrow Airport (LHR) to Boise Airport. You'll have to book a flight with at least one stop. To get the best price and connections, lock in your airfare well ahead of time. ### Are Heathrow Airport to BOI flight tickets cheaper when they're purchased at the last minute? > Flight prices fluctuate, so there are no guarantees. While last-minute deals between Heathrow Airport and BOI are of course possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some airlines advertise their prices up to 12 months before the departure date. Expedia is constantly updating the best airfare bargains around, so keep checking and be ready to grab your seat when the price is right. ## Travel information | Origin airport | Heathrow | | --- | --- | | Destination airport | Boise | | Airlines serving | Air Canada, Air France, American Airlines, British Airways, Delta, Finnair, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, United, Virgin Atlantic | | Return price | £543 | | Distance | 7731 km | ## Book with confidence ### Compare flights from London to Boise easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Boise. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Boise in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Heathrow to Boise.   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 Heathrow (LHR) to Boise (BOI) The easiest way to view the best deals on flights from London to Boise 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 Heathrow to Boise start at just £543 and range up to £568.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near London and Boise - booking your flight during March, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your London to Boise flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Heathrow to Boise 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.   ## Explore a world of travel with Expedia - Accommodation - Flights - Packages - Cars - Holiday Homes - Other - [4 Star Hotels in Boise](https://www.expedia.co.uk/4Star-Boise-Hotels.s40-0-d602998.Travel-Guide-Filter-Hotels) - [Cottages in Basque Block](https://www.expedia.co.uk/Basque-Block-Cottages.d6345669-aaCottages.Travel-Guide-Accommodation) - [Hotels with Waterpark in Basque Block](https://www.expedia.co.uk/Basque-Block-Hotels-Waterpark-Hotel.0-0-d6345669-twaterparkhotel.Travel-Guide-Filter-Hotels) - [Basque Block Hotels](https://www.expedia.co.uk/Basque-Block-Hotels.d6345669.Travel-Guide-Hotels) - [Villas in Basque Block](https://www.expedia.co.uk/Basque-Block-Villas.d6345669-aaVillas.Travel-Guide-Accommodation) - [Serviced Apartments in Boise](https://www.expedia.co.uk/Boise-Apart-Hotels.d602998-aaApartHotels.Travel-Guide-Accommodation) - 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