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Cheap Flights from Seattle to London, ON, Canada - SEA to YXU Last modified: May 29, 2016 1:48 PM

Popular flights from Seattle to London Last modified: May 29, 2016 1:48 PM

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Air Canada
Departure Date Return Date Lowest Price
Aug 7, 2016 Aug 9, 2016 $690
Alaska Airlines
Departure Date Return Date Lowest Price
Aug 7, 2016 Aug 9, 2016 $653
United Airlines
Departure Date Return Date Lowest Price
Aug 7, 2016 Aug 9, 2016 $1,355
WestJet
Departure Date Return Date Lowest Price
Aug 7, 2016 Aug 9, 2016 $692

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 $653.

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: Toronto, ON

Airlines Flying from Seattle to London (SEA to YXU) Number of flights searched: 115Last modified: May 29, 2016 1:48 PM

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 YVR / YYZ X X X X X X X
United ORD X X X X X
United DEN / ORD 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 $314
Seattle to Buffalo American, Alaska, JetBlue, United $322
Seattle to Cleveland American, Alaska, Frontier, United $261
Seattle to Washington American, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America $261
Seattle to Philadelphia American, Alaska, JetBlue, Frontier, Spirit, United $262
Seattle to Baltimore American, Alaska, JetBlue, United $368
Seattle to Pittsburgh American, Alaska, JetBlue, Frontier, United $302
Seattle to Boston American, Alaska, JetBlue, Sun Country, United, Virgin America $293
Seattle to Newark American, Alaska, JetBlue, United, Virgin America $371
Seattle to Akron - Canton American, United $354
Seattle to Erie American, United $414

Cheap International Flights from Seattle - SEA

FlightsAirlineLowest Price
Seattle to Toronto American, Air Canada, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America, WestJet $417

Cheap Domestic Flights to London - YXU

FlightsAirlineLowest Price
Vancouver to London Air Canada, WestJet $385
Victoria to London Air Canada, WestJet $444
Vancouver to Toronto Pacific Coastal, Central Mountain, Air Canada, Porter, Air Transat, Sunwing, WestJet $415
Portland to Detroit American, Alaska, JetBlue, Frontier, Spirit, United $204
Victoria to Toronto Pacific Coastal, Air Canada, WestJet $453
Portland to Atlanta American, Alaska, Frontier, United $200
Abbotsford to Toronto Air Canada, WestJet $397
Portland to Cleveland American, Alaska, Frontier, United $198
Portland to Washington American, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America $261
Portland to Buffalo American, Alaska, JetBlue, United $367
Portland to Dallas - Ft Worth American, Alaska, Frontier, Hawaiian, Spirit, United, Virgin America $157
Comox to Toronto Air Canada, WestJet $542

Cheap International Flights to London - YXU

FlightsAirlineLowest Price
Portland to London American, Air Canada, Alaska, Spirit, United, WestJet Check Dates
Vancouver to New York Pacific Coastal, American, Air Canada, Alaska, JetBlue, Cathay, United, Virgin America, Sunwing, WestJet $297
Portland to Toronto American, Air Canada, Alaska, JetBlue, Frontier, United, WestJet $397
Vancouver to Chicago Pacific Coastal, American, Air Canada, Alaska, Frontier, Spirit, United, WestJet $373
Vancouver to Detroit American, Air Canada, Alaska, Air Transat, United, WestJet $307
Cheap Flights from Seattle to London, ON, Canada, from $653 Round trip from SEA to YXU