--- title: "Cheap British Airways flights from Boston to Southampton (BOS→SOU) - Expedia.co.uk" description: "Book British Airways flights from Boston (BOS) to Southampton (SOU) for one-way flights and £3,258 for round trip with British Airways & save!" canonical: "https://www.expedia.co.uk/lp/flight-routes/british-airways-from-logan-intl-to-southampton/ba/bos/sou" language: en-GB market: GB currency: GBP prices_as_of: 2026-11-13T14:11:04Z --- # Cheap British Airways flights from Boston to Southampton (BOS→SOU) ![A modern building with large glass windows, a brick facade, and a brick pathway.](https://images.trvl-media.com/place/6092063/eb1c36e0-859e-4c96-a8c9-a843d69aca16.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View £3,258 flight on Mon, 21 Dec 2026](https://www.expedia.co.uk/Flights-Search?leg1=from:BOS,to:SOU,departure:21/12/2026TANYT&leg2=from:SOU,to:BOS,departure:29/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:3257.32&airProductToken=AQqxAQo1CMKCARIDMjAyGMGTASDriQEo1regAzDruqADOEJAAFgBaghFQ09ORkxFWHIIQjFOMEMwUzEKNQjCggESBDE0NDgY64kBIORAKIG8oAMw27ygAzhCQAFYAWoIRUNPTkZMRVhyCEIxTjBDMFMxCkEIwoIBEgQ0MDg5GORAINKjASjLvqADMLm%5FoAM4QkABWAFqCEVDT05GTEVYcghCMU4wQzBTMXoKCMyaARIENDA4OQqGAQpBCMKCARIEODk4MRjSowEggw0o0ImhAzC0iqEDOEJAAFgBaghFQ09ORkxFWHIIQjFOMEMwUzF6CgjZsgESBDg5ODEKQQjCggESBDYxMzcYgw0gwZMBKI2NoQMwxZChAzhCQAFYAWoIRUNPTkZMRVhyCEIxTjBDMFMxegoIxZIBEgQ2MTM3EgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ### 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) ## £3,258 Cheap British Airways flights Boston (BOS) to Southampton (SOU) Prices were available within the past 7 days and start at £3,258 for return flights, for the period specified. Prices and availability are subject to change. Additional terms apply. Return [Select British Airways flight, departing Mon, 21 Dec from Boston to Southampton, returning Tue, 29 Dec, priced at £3,258 Found 3 days ago](https://www.expedia.co.uk/Flights-Search?leg1=from:BOS,to:SOU,departure:21/12/2026TANYT&leg2=from:SOU,to:BOS,departure:29/12/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:3257.32&airProductToken=AQqxAQo1CMKCARIDMjAyGMGTASDriQEo1regAzDruqADOEJAAFgBaghFQ09ORkxFWHIIQjFOMEMwUzEKNQjCggESBDE0NDgY64kBIORAKIG8oAMw27ygAzhCQAFYAWoIRUNPTkZMRVhyCEIxTjBDMFMxCkEIwoIBEgQ0MDg5GORAINKjASjLvqADMLm%5FoAM4QkABWAFqCEVDT05GTEVYcghCMU4wQzBTMXoKCMyaARIENDA4OQqGAQpBCMKCARIEODk4MRjSowEggw0o0ImhAzC0iqEDOEJAAFgBaghFQ09ORkxFWHIIQjFOMEMwUzF6CgjZsgESBDg5ODEKQQjCggESBDYxMzcYgw0gwZMBKI2NoQMwxZChAzhCQAFYAWoIRUNPTkZMRVhyCEIxTjBDMFMxegoIxZIBEgQ2MTM3EgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) Mon, 21 Dec - Tue, 29 Dec · BOS · SOU · From £3,258 · Return ## Find the cheapest month to fly from Boston (BOS) to Southampton (SOU) ### March is typically the cheapest month to fly From £431 - £600 per traveller. View flights in March Insights are based on prices from searches for economy trips of 10 days or less on our sites in the last 12 months. Insights are informative only and current prices may differ. ## Frequently Asked Questions ### How much is a British Airways flight from Logan Intl. Airport (BOS) to Southampton Airport (SOU)? Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap British Airways round-trip flights £3,258 from BOS to SOU. Affordable one-way fares are available too.\* *\*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.* ### What is the cheapest month to fly from BOS to SOU with British Airways? January is one of the most affordable months to jet away to Southampton with British Airways. You could also find great deals on one-way and round-trip fares in February. ### Does British Airways fly nonstop from Logan Intl. Airport (BOS) to Southampton Airport (SOU)? To figure out if there's a direct route from BOS to SOU with British Airways or another carrier, check the "Nonstop" box when searching for flights. ### What airports does British Airways fly into in Southampton? Board a British Airways flight from Logan Intl. Airport (BOS) to Southampton, and you're most likely to land at Southampton Airport (SOU). This is the airline's primary hub in this destination. ### What kind of luggage can I take on a British Airways flight from Logan Intl. Airport (BOS) to Southampton Airport (SOU)? British Airways allows passengers to bring 1 checked-in bag weighing up to 23 kg (50 lbs) with dimensions not exceeding 89 centimetres x 41 centimetres x 74 centimetres on standard economy flights from BOS to SOU. Additionally, you can take 1 cabin bag with you in the cabin. This hand luggage must not exceed 56 centimetres x 23 centimetres x 43 centimetres and be no heavier than 23 kg (50 lbs). Baggage policies can vary depending on your fare type and cabin class, so double-check your booking or British Airways's website to avoid paying additional costs at the airport. ### Can I change or cancel my British Airways flight from Logan Intl. Airport (BOS) to Southampton Airport (SOU)? Changes are generally free within 24 hours of making your booking, but your airline may add a charge after that time. For further information about altering your flights, go to your "[Trips](https://www.expedia.co.uk/trips)," select your flight and click on "Manage Booking." If you'd like the flexibility to update your itinerary without extra charges, apply the "Changes included" or "No cancel fee" filter when organising your next getaway. ## Travel information | Origin airport | Logan International Airport | | ------------------- | --------------------------- | | Destination airport | Southampton | | Distance | 3,230 miles away | | Airline name | British Airways | | Airline code | BA | | Return price | £869 | ## Explore a world of travel with Expedia - [Lodging](?equalTargetTab=tab-0) - [Flights](?equalTargetTab=tab-1) - [Packages](?equalTargetTab=tab-2) - [Cars](?equalTargetTab=tab-3) - [Things to Do](?equalTargetTab=tab-4) - [Eastleigh Hotels](https://www.expedia.co.uk/Eastleigh-Hotels.d4631.Travel-Guide-Hotels) - [Hotels near Paultons Family Theme Park - Home of Peppa Pig World](https://www.expedia.co.uk/Paultons-Family-Theme-Park-Home-Of-Peppa-Pig-World-Hotels.0-l553248621562854464-0.Travel-Guide-Filter-Hotels) - [Hotels near Southampton](https://www.expedia.co.uk/Southampton-Airport-Hotels.0-aSOU-0.Travel-Guide-Filter-Hotels) - 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