
Book Cheap British Airways flight from Seattle (SEA) to Southampton (SOU)
Find The Best Day to Book a Cheap British Airways Flights From Seattle to Southampton
Cheapest British Airways Flights from Seattle (SEA) to Southampton (SOU)
The cheapest flights to Southampton found within the past 7 days were CA $3,118 round trip and one way. Prices and availability subject to change. Additional terms may apply.
Grab a great British Airways flight from SEA to SOU
To find a great deal on British Airways flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights.
Flying British Airways Seattle to Southampton gives you fights to choose from. With that direct flight time of , you’ll be touching down before you know it.
Find cheap flights with British Airways between Seattle and Southampton
British Airways has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from Seattle to Southampton with British Airways are .
The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.
Reasons to book your British Airways flights with Travelocity
Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| DFW | USA | Dallas-Fort Worth Intl. | 107 |
| ORD | USA | O'Hare Intl. | 98 |
| MIA | USA | Miami Intl. | 42 |
| LHR | GBR | Heathrow | 31 |
| PHL | USA | Philadelphia Intl. | 26 |
| CLT | USA | Charlotte-Douglas Intl. | 23 |
| DUB | IRL | Dublin | 14 |
| MSY | USA | Louis Armstrong New Orleans Intl. | 13 |
| HND | JPN | Haneda | 11 |
| BNA | USA | Nashville Intl. | 10 |
Travelers ❤️ these 🏨 after their flight to Southampton

DoubleTree by Hilton Southampton
Restaurant staff very friendly but food quality poor
Reviewed on Oct 26, 2025

Village Hotel Southampton Eastleigh
Simple and clean with good options for facilities, gym swimming pool
Reviewed on Oct 13, 2025

Holiday Inn Southampton-Eastleigh M3, jct13 by IHG
Great hotel in an accessible location. Only criticism is parking availability
Reviewed on Oct 4, 2025
Want more than a(n) British Airways Flight from Seattle to Southampton?
Popular British Airways Flight Routes from SEA
Top British Airways Flight Routes from SOU
Domestic
- Vancouver to Paris (YVR - CDG)
- Montreal to Lisbon (YUL - LIS)
- Toronto to Ahmedabad (YYZ - AMD)
- Toronto to Lisbon (YYZ - LIS)
- Toronto to London (YYZ - LHR)
- Calgary to Paris (YYC - CDG)
- Toronto to Tokyo (YYZ - HND)
- Calgary to London (YYC - LHR)
- Toronto to Paris (YYZ - CDG)
- Toronto to Dubai (YYZ - DXB)
International
- Vancouver to London (YVR - LHR)
- Toronto to Tokyo (YYZ - HND)
- Vancouver to Delhi (YVR - DEL)
- Vancouver to Paris (YVR - CDG)
- Toronto to Delhi (YYZ - DEL)
- Toronto to London (YYZ - LHR)
- Toronto to Mumbai (YYZ - BOM)
- Toronto to Ahmedabad (YYZ - AMD)
- Toronto to Sri Guru Ram Das Ji Intl. Airport (YYZ - ATQ)
- Toronto to Lisbon (YYZ - LIS)
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