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Cheap Flights From Seattle To Ontario Last modified: Aug 25, 2016 12:26 AM

Cheap flights from Seattle (SEA) to popular destinations in Ontario (ON)

London
Carrier Departure Date Return Date Lowest Price
WestJet Oct 17, 2016 Oct 19, 2016 $549
WestJet Oct 19, 2016 Oct 26, 2016 $590
WestJet Sep 26, 2016 Oct 2, 2016 $659
Air Canada Oct 17, 2016 Oct 19, 2016 $675
WestJet Oct 20, 2016 Oct 27, 2016 $699
Air Canada Sep 6, 2016 Sep 13, 2016 $749
Air Canada Sep 26, 2016 Oct 2, 2016 $755
United Oct 17, 2016 Oct 19, 2016 $911
Ottawa
Carrier Departure Date Return Date Lowest Price
Air Canada Sep 13, 2016 Sep 20, 2016 $375
Air Canada Sep 8, 2016 Sep 11, 2016 $375
Air Canada Sep 21, 2016 Sep 27, 2016 $375
United Sep 21, 2016 Sep 27, 2016 $376
United Sep 8, 2016 Sep 11, 2016 $376
United Sep 23, 2016 Sep 25, 2016 $376
United Sep 13, 2016 Sep 20, 2016 $376
Air Canada Oct 6, 2016 Oct 11, 2016 $379
Air Canada Sep 8, 2016 Sep 12, 2016 $379
Sault Ste Marie
Carrier Departure Date Return Date Lowest Price
Air Canada Sep 30, 2016 Oct 3, 2016 $712
Thunder Bay
Carrier Departure Date Return Date Lowest Price
WestJet Dec 15, 2016 Dec 21, 2016 $617
Air Canada Dec 15, 2016 Dec 21, 2016 $1,011
United Dec 15, 2016 Dec 21, 2016 $1,012
Toronto
Carrier Departure Date Return Date Lowest Price
American Sep 21, 2016 Sep 23, 2016 $436
American Sep 15, 2016 Sep 20, 2016 $443
American Sep 21, 2016 Sep 22, 2016 $445
American Sep 23, 2016 Sep 30, 2016 $447
American Jan 12, 2017 Jan 16, 2017 $453
Air Canada Oct 15, 2016 Oct 18, 2016 $456
American Sep 16, 2016 Sep 19, 2016 $456
American Oct 19, 2016 Oct 26, 2016 $457
American Oct 15, 2016 Oct 18, 2016 $457
American Sep 26, 2016 Oct 3, 2016 $457
Windsor
Carrier Departure Date Return Date Lowest Price
Air Canada Oct 18, 2016 Oct 24, 2016 $654

Cheapest Weekend Non-Stop Flights for the Next 30 Days from Seattle to Ontario

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from Seattle to Ontario.

DestinationDepartingReturningPrice
Toronto 9/15/16 9/20/16 $528

Flight Schedule Summaries Number of flights searched: 574Last modified: Aug 25, 2016 12:26 AM

Seattle to Sault Ste Marie
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
Seattle to Kingston
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
Seattle to Ottawa
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American PHL X X X X X X X
Air Canada YYC X X X X X X X
Air Canada YYC / YWG X X X X X X X
Delta DTW X X X X X X X
Delta MSP / DTW X X X X X X X
United EWR X X X X X X X
Seattle to Windsor
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
Seattle to Thunder Bay
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
Seattle to Sudbury
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
Seattle to Toronto
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American ORD X X X X X X X
Air Canada - X X X X X X X
Air Canada YYC X X X X X X X
Delta MSP X X X X X X X
United DEN X X X X X X X
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
Seattle to North Bay
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

Cheap International Flights from Seattle - SEA

FlightsAirlineLowest Price
Seattle to Toronto American, Air Canada, Alaska, Delta, United, WestJet $436
Seattle to Ottawa American, Air Canada, Delta, United, WestJet $375
Seattle to London Air Canada, Delta, United, WestJet $549
Seattle to Thunder Bay Air Canada, United, WestJet $617
Seattle to Kingston Air Canada Check Dates
Seattle to Windsor Air Canada, WestJet $654
Seattle to North Bay Air Canada Check Dates
Seattle to Sudbury Air Canada Check Dates
Seattle to Sault Ste Marie Air Canada $712

Cheap Domestic Flights to Ontario - ON

FlightsAirlineLowest Price
Vancouver to Toronto American, Air Canada, Air Transat, Sunwing, WestJet $350
Victoria to Toronto American, Air Canada, WestJet $387
Vancouver to Ottawa American, Air Canada, Sunwing, WestJet $420
Abbotsford to Toronto Air Canada, WestJet $371
Vancouver to London Air Canada, WestJet $388
Vancouver to Windsor Air Canada, WestJet $402
Comox to Toronto Air Canada, WestJet $416
Vancouver to Thunder Bay Air Canada, WestJet $294
Nanaimo to Toronto Air Canada, WestJet $428
Victoria to Ottawa American, Air Canada, WestJet $403
Vancouver to Kingston Air Canada $676
Vancouver to Sudbury Air Canada $579
Abbotsford to Ottawa Air Canada, WestJet $417
Vancouver to Sault Ste Marie Air Canada $715
Victoria to London Air Canada, WestJet $398

Cheap International Flights to Ontario - ON

FlightsAirlineLowest Price
Portland to Toronto American, Air Canada, Alaska, Delta, United, WestJet $399
Portland to London Air Canada, Delta, United, WestJet $701
Bellingham to Toronto American, Alaska, Delta $821
Portland to Ottawa American, Air Canada, Delta, United, WestJet $385
Cheap Flights from Seattle to Ontario - from $375 Round trip from SEA to ON