Title: £235 Cheap United flights from Boston to London (BOS→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) # £235 Cheap United flights from Boston to London (BOS→LHR) [View £235 flight on Sat, 21 Mar 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:BOS,to:LHR,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:234.20&airProductToken=AQpsCjQI1YIBEgM1NzAYwZMBIMSNASjZmogDMLCbiAM4VEAAWAFqB0VDT05PTVlyCFRMRDgwVE5WCjQI1YIBEgM5MzQYxI0BIOuJASjlm4gDMJOfiAM4VEABWAFqB0VDT05PTVlyCFRMRDgwVE5WEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) - [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 - ![](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) ## United flights from Boston to London (BOS→LHR) Prices were available within the past 7 days and start at £235 for one-way flights and £290 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, 22 Apr - Thu, 23 Apr BOS Boston LHR London £290 Return found 5 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:22/04/2026TANYT&leg2=from:LHR,to:BOS,departure:23/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:289.91&airProductToken=AQpvCjYI1YIBEgQxODMzGMGTASDEjQEomIKLAzDxgosDOExAAFgBaghFQ09CQVNJQ3IITExYMjBUQlEKNQjVggESAzkzNBjEjQEg64kBKKmDiwMw3IaLAzhMQAFYAWoIRUNPQkFTSUNyCExMWDIwVEJRCnYKPwjMsAESAzMzMxjriQEguTwo4o6LAzDLj4sDOExAAFgBaghFQ09MSUdIVHIITExYMjBUQlF6CQjCqAESAzMzMwozCMywARICNTIYuTwgwZMBKIeQiwMw-5OLAzhMQAFYAWoIRUNPTElHSFRyCExMWDIwVEJREgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, 17 Mar - Wed, 18 Mar BOS Boston LHR London £293 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:17/03/2026TANYT&leg2=from:LHR,to:BOS,departure:18/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:292.21&airProductToken=AQpuCjUI1YIBEgM1NzAYwZMBIMSNASjZ7YcDMLDuhwM4TEAAWAFqCEVDT0JBU0lDcghMTFgyMFRCUQo1CNWCARIDMTIyGMSNASDriQEoku-HAzDA8ocDOExAAVgBaghFQ09CQVNJQ3IITExYMjBUQlEKawo0CMywARIDMzMzGOuJASC5PCiZ-ocDMJH7hwM4TEAAWAFqCEVDT0xJR0hUcghMTFgyMFRCUQozCMywARICNTIYuTwgwZMBKL77hwMw0P-HAzhMQAFYAWoIRUNPTElHSFRyCExMWDIwVEJREgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sun, 12 Apr - Tue, 14 Apr BOS Boston LHR London £293 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:12/04/2026TANYT&leg2=from:LHR,to:BOS,departure:14/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:292.91&airProductToken=AQpGCiEI1YIBEgQ4MzYzGMGTASCYXSjQl4oDMKmYigM4TEAAWAEKIQjVggESBDgwNjgYmF0g64kBKKKZigMwvJyKAzhMQAFYAQpGCiEI1YIBEgQ5NzYxGOuJASC5PCiRp4oDMImoigM4TEAAWAEKIQjVggESBDk4MDQYuTwgwZMBKNSoigMwvqyKAzhMQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Tue, 17 Mar - Wed, 18 Mar BOS Boston LHR London £294 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:17/03/2026TANYT&leg2=from:LHR,to:BOS,departure:18/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:293.51&airProductToken=AQpvCjYI1YIBEgQxODMzGMGTASDEjQEomO2HAzDv7YcDOExAAFgBaghFQ09CQVNJQ3IITExYMjBUQlEKNQjVggESAzEyMhjEjQEg64kBKJLvhwMwwPKHAzhMQAFYAWoIRUNPQkFTSUNyCExMWDIwVEJRCm0KNQjMkAESBDI0NzMY64kBIIwVKP74hwMw7PmHAzhMQABYAWoIRUNPTElHSFRyCExMWDIwVEJRCjQIzJABEgM0MjQYjBUgwZMBKOT6hwMw5_6HAzhMQAFYAWoIRUNPTElHSFRyCExMWDIwVEJREgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, 22 Apr - Thu, 23 Apr BOS Boston LHR London £306 Return found 5 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:22/04/2026TANYT&leg2=from:LHR,to:BOS,departure:23/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:305.91&airProductToken=AQpvCjYI1YIBEgQxODMzGMGTASDEjQEomIKLAzDxgosDOExAAFgBaghFQ09CQVNJQ3IITExYMjBUQlEKNQjVggESAzkzNBjEjQEg64kBKKmDiwMw3IaLAzhMQAFYAWoIRUNPQkFTSUNyCExMWDIwVEJRCmwKNAjMkAESAzkwMRjriQEgpQQo3oyLAzC9jYsDOExAAFgBaghFQ09MSUdIVHIITExYMjBUQlEKNAjMkAESAzQyMhilBCDBkwEoko6LAzD8kYsDOExAAVgBaghFQ09MSUdIVHIITExYMjBUQlESCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ## 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:BOS,to:LGW,departure:17/02/2026TANYT&leg2=from:LGW,to:BOS,departure:23/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LGW Gatwick 52 min [Flights from £682 ](https://www.expedia.co.uk/Flights-Search?leg1=from:BOS,to:LGW,departure:17/02/2026TANYT&leg2=from:LGW,to:BOS,departure:23/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) [](https://www.expedia.co.uk/Flights-Search?leg1=from:BOS,to:LCY,departure:17/02/2026TANYT&leg2=from:LCY,to:BOS,departure:20/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LCY London City Closest 21 min [Flights from £548 ](https://www.expedia.co.uk/Flights-Search?leg1=from:BOS,to:LCY,departure:17/02/2026TANYT&leg2=from:LCY,to:BOS,departure:20/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Find the cheapest month to fly from Boston (BOS) to London (LHR) ### October is typically the cheapest month to fly From £290 - £385 per traveller. __Flight from Boston to London route information__ | Origin airport | Logan Intl. | | ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Heathrow | | Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, United, Virgin Atlantic | | Popular airline | Virgin Atlantic | | Distance | 5210 km | | Average flight time | 11 hours 39 mins | \*Available to Expedia members.