Title: £174 Cheap United flights from Boston to London (BOS→LHR) - Expedia.co.uk

  

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# £174 Cheap United flights from Boston to London (BOS→LHR)

[View £174 flight on Fri, 12 Dec 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:BOS,to:LHR,departure:12/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:173.60&airProductToken=AQpvCjYI1YIBEgQxODMzGMGTASDEjQEo9MD_AjDJwf8COFRAAFgBaghFQ09CQVNJQ3IIVExEODBMR1QKNQjVggESAzEyMhjEjQEg64kBKLLC_wIw4MX_AjhUQAFYAWoIRUNPQkFTSUNyCFRMRDgwTEdUEgoIARABGAEqAlVBGAEiBAgBEAEoAigDKAQwAQ)

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## United flights from Boston to London (BOS→LHR)

Prices were available within the past 7 days and start at £174 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)

Mon, 8 Dec - Tue, 9 Dec

BOS

Boston

LHR

London

£290

Return

found 1 day ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:08/12/2025TANYT&leg2=from:LHR,to:BOS,departure:09/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:290.00&airProductToken=AQpvCjYI1YIBEgQxODMzGMGTASDEjQEo9JP_AjDJlP8COExAAFgBaghFQ09CQVNJQ3IITExYMjBMR1QKNQjVggESAzkzNBjEjQEg64kBKIWV_wIws5j_AjhMQAFYAWoIRUNPQkFTSUNyCExMWDIwTEdUCmsKNAjMsAESAzMzMxjriQEguTwouaD_AjCxof8COExAAFgBaghFQ09MSUdIVHIITEwyMjBMR1QKMwjMsAESAjUyGLk8IMGTASjeof8CMPCl_wI4TEABWAFqCEVDT0xJR0hUcghMTDIyMExHVBIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAE)

![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif)

Mon, 27 Oct - Fri, 31 Oct

BOS

Boston

LHR

London

£371

Return

found 18 hours ago

[](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:BOS,to:LHR,departure:27/10/2025TANYT&leg2=from:LHR,to:BOS,departure:31/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:370.92&airProductToken=AQpHCiII1YIBEgQxMzA3GMGTASDEjQEo0rv7AjCqvPsCOExAAFgBCiEI1YIBEgMxMjIYxI0BIOuJASjyvPsCMKDA-wI4TEABWAEKRgohCNWCARIEOTc1ORjriQEguTwo2en7AjDR6vsCOExAAFgBCiEI1YIBEgQ5NzIyGLk8IMGTASj-6vsCMJDv-wI4TEABWAESCggBEAEYASoCVUEYASIECAEQASgEMAE)

## Travel 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, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic |
| Popular airline | British Airways |
| Distance | 5210 km |
| Average flight time | 11 hours 44 mins |

\*Available to Expedia members.