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Cheap Flights from Seattle to London, ON, Canada - SEA to YXU

How Much Does it Cost to Fly from Seattle to London (SEA to YXU)?

We have collected flight cost data from across the web for travel from Seattle to London, and have found the average flight price for this trip to be $496.

When Can I Buy the Cheapest Flight from Seattle to London (SEA to YXU)?

Airlines can adjust prices for plane tickets from Seattle to London based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Seattle to London Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Seattle to London?
Answer: Chicago, IL

Airlines Flying from Seattle to London (SEA to YXU)

Below are the different airlines that fly from Seattle to London with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Seattle to London.

Seattle to London
Airline Connections Mon Tue Wed Thu Fri Sat Sun
Air Canada YYZ X X X X X X X
Air Canada YYC / YYZ X X X X X X X
United ORD X X X X X X X
United DEN / ORD X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Seattle and London, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from Seattle - SEA

FlightsAirlineLowest Price
Seattle to Detroit American, Alaska, JetBlue, Spirit, United $301
Seattle to Buffalo American, Alaska, JetBlue, United $362
Seattle to Cleveland American, Alaska, Frontier, United $198
Seattle to Washington American, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America $283
Seattle to Philadelphia American, Alaska, JetBlue, Frontier, Spirit, United $348
Seattle to Baltimore American, Alaska, JetBlue, United $289
Seattle to Pittsburgh American, Alaska, JetBlue, Frontier, United $272
Seattle to Boston American, Alaska, JetBlue, Sun Country, United, Virgin America $276
Seattle to Newark American, Alaska, JetBlue, United, Virgin America $304
Seattle to Akron - Canton American, United $366
Seattle to Erie American, United $367

Cheap International Flights from Seattle - SEA

FlightsAirlineLowest Price
Seattle to Toronto American, Air Canada, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America, WestJet $418

Cheap Domestic Flights to London - YXU

FlightsAirlineLowest Price
Vancouver to London Air Canada, Air Transat, Sunwing, WestJet $413
Victoria to London Pacific Coastal, Air Canada, WestJet $431
Vancouver to Toronto Pacific Coastal, Air Canada, Air Transat, Sunwing, WestJet $364
Portland to Detroit American, Alaska, JetBlue, Frontier, Spirit, United $278
Victoria to Toronto Pacific Coastal, Air Canada, Air Transat, WestJet $423
Portland to Atlanta American, Alaska, Frontier, United $300
Abbotsford to Toronto Air Canada, Air Transat, WestJet $401
Portland to Cleveland American, Alaska, Frontier, United $183
Portland to Washington American, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America $266
Portland to Buffalo American, Alaska, JetBlue, United $361
Portland to Dallas - Ft Worth American, Alaska, Frontier, Hawaiian, Spirit, United, Virgin America $142
Comox to Toronto Pacific Coastal, Central Mountain, Air Canada, WestJet $449

Cheap International Flights to London - YXU

FlightsAirlineLowest Price
Portland to London American, Air Canada, Alaska, JetBlue, Frontier, United, WestJet $523
Vancouver to New York Pacific Coastal, American, Air Canada, Alaska, JetBlue, Cathay, Spirit, Sun Country, United, Virgin America, WestJet, Great Lakes $314
Portland to Toronto American, Air Canada, Alaska, JetBlue, Frontier, United, Virgin America, WestJet $375
Vancouver to Chicago Pacific Coastal, American, Air Canada, Alaska, Frontier, Spirit, United, WestJet $379
Vancouver to Detroit American, Air Canada, Alaska, Frontier, Spirit, United, WestJet $313
Cheap Flights from Seattle to London, ON, Airfare Search for SEA to YXU, Airline One-Way and Roundtrip Schedules