
Book Cheap WestJet flight from London (YXU) to Seattle (SEA) from CA $445
Find The Best Day to Book a Cheap WestJet Flights From London to Seattle
Cheapest WestJet Flights from London (YXU) to Seattle (SEA)
The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were CA $692 round trip and CA $445 one way. Prices and availability subject to change. Additional terms may apply.
Grab a great WestJet flight from YXU to SEA
To find a great deal on WestJet 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 WestJet London to Seattle 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 WestJet between London and Seattle
WestJet 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 London to Seattle with WestJet are December.
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 WestJet 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 |
|---|---|---|---|
| ATL | USA | Hartsfield-Jackson Atlanta Intl. | 85 |
| YYC | CAN | Calgary Intl. | 45 |
| MSP | USA | Minneapolis - St. Paul Intl. | 36 |
| SEA | USA | Seattle - Tacoma Intl. | 28 |
| YYZ | CAN | Pearson Intl. | 26 |
| DTW | USA | Detroit Metropolitan Wayne County | 26 |
| LAX | USA | Los Angeles Intl. | 23 |
| YVR | CAN | Vancouver Intl. | 21 |
| SLC | USA | Salt Lake City Intl. | 13 |
| YEG | CAN | Edmonton Intl. | 9 |
Travelers ❤️ these 🏨 after their flight to Seattle

Coast Gateway Hotel
Easy check in
Reviewed on Oct 27, 2025

SureStay Hotel by Best Western SeaTac Airport North
Stayed for one night, I like that the room is bigger that I expected, clean room and friendly staff.
Reviewed on Oct 27, 2025

Country Inn & Suites by Radisson, Seattle-Tacoma International Airport, WA
Delicious coffee, comfortable, quiet.
Reviewed on Oct 31, 2025
Want more than a(n) WestJet Flight from London to Seattle?
Popular WestJet Flight Routes from YXU
Top WestJet Flight Routes from SEA
Domestic
- Toronto to Miami (YYZ - MIA)
- Abbotsford to Edmonton (YXX - YEG)
- Edmonton to Abbotsford (YEG - YXX)
- Abbotsford to Tokyo (YXX - NRT)
- Toronto to Vancouver (YYZ - YVR)
- Vancouver to Montreal (YVR - YUL)
- Toronto to Abbotsford (YYZ - YXX)
- Abbotsford to Calgary (YXX - YYC)
- Abbotsford to Toronto (YXX - YYZ)
- Calgary to Abbotsford (YYC - YXX)
International
- Toronto to New York (YYZ - JFK)
- Toronto to Tokyo (YYZ - NRT)
- Vancouver to Toronto (YVR - YYZ)
- Abbotsford to Tokyo (YXX - NRT)
- Montreal to Fort Lauderdale (YUL - FLL)
- Abbotsford to Calgary (YXX - YYC)
- Toronto to Cancun (YYZ - CUN)
- Toronto to Vancouver (YYZ - YVR)
- Toronto to Miami (YYZ - MIA)
- Toronto to Miami (YYZ - MIA)
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