Title: £164 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) # £164 Cheap United flights from Boston to London (BOS→LHR) [View £164 flight on Mon, 30 Mar 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:BOS,to:LHR,departure:30/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:163.60&airProductToken=AQpvCjYI1YIBEgQxODMzGMGTASDEjQEouP-IAzCRgIkDOFRAAFgBaghFQ09CQVNJQ3IIVExEODBVQlEKNQjVggESAzkzNBjEjQEg64kBKOKAiQMw_IOJAzhUQAFYAWoIRUNPQkFTSUNyCFRMRDgwVUJREgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ) - [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 £164 for one-way flights and £292 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 £292 Return found 5 days 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:291.91&airProductToken=AQpHCiII1YIBEgQxODMzGMGTASDEjQEomIKLAzDxgosDOExAAFgBCiEI1YIBEgM5MzQYxI0BIOuJASipg4sDMNyGiwM4TEABWAEKRgohCNWCARIEOTc1ORjriQEguTwo4o6LAzDLj4sDOExAAFgBCiEI1YIBEgQ5NzIyGLk8IMGTASiHkIsDMPuTiwM4TEABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sun, 29 Mar - Mon, 30 Mar BOS Boston LHR London £294 Return found 9 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:29/03/2026TANYT&leg2=from:LHR,to:BOS,departure:30/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:293.11&airProductToken=AQpHCiII1YIBEgQzNjI3GMGTASDEjQEomPSIAzD49IgDOExAAFgBCiEI1YIBEgM5MzQYxI0BIOuJASjC9YgDMNz4iAM4TEABWAEKQwogCMywARIDMzM5GOuJASC5PCjZg4kDML2EiQM4TEAAWAEKHwjMsAESAjU0GLk8IMGTASiUi4kDMP6OiQM4TEABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, 20 Apr - Tue, 21 Apr BOS Boston LHR London £295 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:20/04/2026TANYT&leg2=from:LHR,to:BOS,departure:21/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:294.01&airProductToken=AQpHCiII1YIBEgQxODMzGMGTASDEjQEo2OuKAzCx7IoDOExAAFgBCiEI1YIBEgM5MzQYxI0BIOuJASjp7IoDMJzwigM4TEABWAEKRgohCNWCARIEOTc1ORjriQEguTwooviKAzCL-YoDOExAAFgBCiEI1YIBEgQ5NzIyGLk8IMGTASjH-YoDMLv9igM4TEABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sun, 22 Mar - Mon, 23 Mar BOS Boston LHR London £300 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:22/03/2026TANYT&leg2=from:LHR,to:BOS,departure:23/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:299.81&airProductToken=AQpGCiEI1YIBEgM1NzAYwZMBIMSNASj5pYgDMNCmiAM4TEAAWAEKIQjVggESAzkzNBjEjQEg64kBKJmniAMws6qIAzhMQAFYAQpDCiAIz6YBEgMzMzgY64kBIJUiKI21iAMwlLaIAzhMQABYAQofCM-mARICMzEYlSIgwZMBKOm7iAMwmcCIAzhMQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, 30 Mar - Tue, 31 Mar BOS Boston LHR London £308 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:30/03/2026TANYT&leg2=from:LHR,to:BOS,departure:31/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:307.91&airProductToken=AQpvCjYI1YIBEgQxODMzGMGTASDEjQEouP-IAzCRgIkDOExAAFgBaghFQ09CQVNJQ3IITExYMjBUQlEKNQjVggESAzkzNBjEjQEg64kBKMmAiQMw_IOJAzhMQAFYAWoIRUNPQkFTSUNyCExMWDIwVEJRCmwKNAjMkAESAzkwMRjriQEgpQQo_omJAzDdiokDOExAAFgBaghFQ09MSUdIVHIITExYMjBUQlEKNAjMkAESAzQyMhilBCDBkwEosouJAzCcj4kDOExAAVgBaghFQ09MSUdIVHIITExYMjBUQlESCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Wed, 23 Sept - Thu, 24 Sept BOS Boston LHR London £310 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:23/09/2026TANYT&leg2=from:LHR,to:BOS,departure:24/09/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:309.51&airProductToken=AQpvCjYI1YIBEgQxODMzGMGTASDEjQEo2MaYAzCqx5gDOExAAFgBaghFQ09CQVNJQ3IITExYMjBVQlEKNQjVggESAzkzNBjEjQEg64kBKOTHmAMwnMuYAzhMQAFYAWoIRUNPQkFTSUNyCExMWDIwVUJRCmwKNAjMkAESAzkwMRjriQEgpQQontGYAzD90ZgDOExAAFgBaghFQ09MSUdIVHIITExYMjBUQlEKNAjMkAESAzQyMhilBCDBkwEo0tKYAzC81pgDOExAAVgBaghFQ09MSUdIVHIITExYMjBUQlESCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sun, 29 Mar - Tue, 31 Mar BOS Boston LHR London £314 Return found 9 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:29/03/2026TANYT&leg2=from:LHR,to:BOS,departure:31/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:313.85&airProductToken=AQpGCiEI1YIBEgQ5ODA1GMGTASC5PCjA-YgDMOT8iAM4TEAAWAEKIQjVggESBDk3NjQYuTwg64kBKJH9iAMw__2IAzhMQAFYAQpHCiEI1YIBEgMxMjMY64kBIMSNASiViYkDMOGMiQM4TEAAWAEKIgjVggESBDExODMYxI0BIMGTASjPjYkDMJmOiQM4TEABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, 16 Mar - Wed, 18 Mar BOS Boston LHR London £315 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:16/03/2026TANYT&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:314.75&airProductToken=AQpGCiEI1YIBEgQ5NzIxGMGTASC5PCj-6YcDMKLthwM4TEAAWAEKIQjVggESBDk3NjAYuTwg64kBKN7thwMwzO6HAzhMQAFYAQpGCiEI1YIBEgMxMjMY64kBIMSNASjA94cDMLT7hwM4TEAAWAEKIQjVggESAzU3NxjEjQEgwZMBKJv8hwMw5PyHAzhMQAFYARIKCAEQARgBKgJVQRgBIgQIARABKAQwAQ) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sun, 29 Mar - Mon, 30 Mar BOS Boston LHR London £330 Return found 9 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:29/03/2026TANYT&leg2=from:LHR,to:BOS,departure:30/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:329.11&airProductToken=AQpvCjYI1YIBEgQzNjI3GMGTASDEjQEomPSIAzD49IgDOExAAFgBaghFQ09CQVNJQ3IITExYMjBVQlEKNQjVggESAzkzNBjEjQEg64kBKML1iAMw3PiIAzhMQAFYAWoIRUNPQkFTSUNyCExMWDIwVUJRCoYBCkEI1YIBEgQ5NzU5GOuJASC5PCjigIkDMMuBiQM4VEAAWAFqCEVDT0JBU0lDcghUTFcyMFRCUXoKCMywARIEOTc1OQpBCNWCARIEOTcyMhi5PCDBkwEoh4KJAzDnhYkDOFRAAVgBaghFQ09CQVNJQ3IIVExXMjBUQlF6CgjMsAESBDk3MjISCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Sun, 29 Mar - Mon, 30 Mar BOS Boston LHR London £346 Return found 9 hours ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:29/03/2026TANYT&leg2=from:LHR,to:BOS,departure:30/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:345.21&airProductToken=AQpvCjYI1YIBEgQzNjI3GMGTASDEjQEomPSIAzD49IgDOExAAFgBaghFQ09CQVNJQ3IITExYMjBVQlEKNQjVggESAzkzNBjEjQEg64kBKML1iAMw3PiIAzhMQAFYAWoIRUNPQkFTSUNyCExMWDIwVUJRCmwKNAjMkAESAzkwMRjriQEgpQQo3v6IAzC9_4gDOFRAAFgBaghFQ09MSUdIVHIIVExXMjBUQlEKNAjMkAESAzQyMhilBCDBkwEokoCJAzD8g4kDOFRAAVgBaghFQ09MSUdIVHIIVExXMjBUQlESCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAB) ## 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:26/02/2026TANYT&leg2=from:LGW,to:BOS,departure:02/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LGW Gatwick 52 min [Flights from £667 ](https://www.expedia.co.uk/Flights-Search?leg1=from:BOS,to:LGW,departure:26/02/2026TANYT&leg2=from:LGW,to:BOS,departure:02/03/2026TANYT&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:26/02/2026TANYT&leg2=from:LCY,to:BOS,departure:02/03/2026TANYT&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 £455 ](https://www.expedia.co.uk/Flights-Search?leg1=from:BOS,to:LCY,departure:26/02/2026TANYT&leg2=from:LCY,to:BOS,departure:02/03/2026TANYT&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, Austrian Airlines, British Airways, Brussels Airlines, Finnair, ITA Airways, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, SATA International-Azores Airlines S.A., Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic | | Popular airline | Virgin Atlantic | | Distance | 5210 km | | Average flight time | 11 hours 39 mins | ![](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_) \*Available to Expedia members.