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Cheap Flights From Seattle To Ontario Last modified: Jun 26, 2016 12:35 AM

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

London
Carrier Departure Date Return Date Lowest Price
WestJet Sep 26, 2016 Oct 2, 2016 $708
Alaska Sep 26, 2016 Oct 2, 2016 $712
Air Canada Jul 11, 2016 Jul 15, 2016 $848
United Jul 11, 2016 Jul 15, 2016 $1,022
Air Canada Sep 26, 2016 Oct 2, 2016 $1,241
Ottawa
Carrier Departure Date Return Date Lowest Price
WestJet Sep 8, 2016 Sep 12, 2016 $436
American Aug 19, 2016 Aug 23, 2016 $438
American Aug 5, 2016 Aug 10, 2016 $438
American Aug 18, 2016 Aug 22, 2016 $438
American Aug 23, 2016 Aug 28, 2016 $438
American Sep 6, 2016 Sep 16, 2016 $438
American Sep 16, 2016 Sep 21, 2016 $438
American Oct 2, 2016 Oct 7, 2016 $438
American Jul 19, 2016 Aug 3, 2016 $438
American Aug 18, 2016 Aug 23, 2016 $438
Sault Ste Marie
Carrier Departure Date Return Date Lowest Price
Air Canada Aug 31, 2016 Sep 6, 2016 $822
Alaska Aug 31, 2016 Sep 6, 2016 $921
United Aug 31, 2016 Sep 6, 2016 $950
Sudbury
Carrier Departure Date Return Date Lowest Price
United Dec 21, 2016 Dec 27, 2016 $881
Air Canada Dec 21, 2016 Dec 27, 2016 $1,048
Thunder Bay
Carrier Departure Date Return Date Lowest Price
Air Canada Oct 5, 2016 Oct 12, 2016 $638
United Oct 5, 2016 Oct 12, 2016 $825
Toronto
Carrier Departure Date Return Date Lowest Price
United Feb 21, 2017 Mar 1, 2017 $436
United Nov 8, 2016 Nov 11, 2016 $436
United Oct 5, 2016 Oct 19, 2016 $436
United Oct 7, 2016 Oct 14, 2016 $436
United Oct 13, 2016 Oct 19, 2016 $444
Alaska Sep 20, 2016 Sep 28, 2016 $458
United Sep 15, 2016 Sep 19, 2016 $459
Windsor
Carrier Departure Date Return Date Lowest Price
Alaska Aug 12, 2016 Aug 16, 2016 $628
WestJet Aug 12, 2016 Aug 16, 2016 $732
Alaska Aug 31, 2016 Sep 7, 2016 $739
Air Canada Aug 12, 2016 Aug 16, 2016 $744
United Aug 12, 2016 Aug 16, 2016 $828

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 7/28/16 8/2/16 $567

Flight Schedule Summaries Number of flights searched: 610Last modified: Jun 26, 2016 12:35 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 YVR / 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 YVR X X X X X X X
Air Canada YVR / 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 YVR X X X X X X X
Delta MSP X X X X X X X
United ORD 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 YYC / YYZ X X X X X X X

Cheap International Flights from Seattle - SEA

FlightsAirlineLowest Price
Seattle to Toronto American, Air Canada, Alaska, JetBlue, Frontier, Sun Country, United, Virgin America, WestJet $436
Seattle to Ottawa American, Air Canada, Alaska, JetBlue, Sun Country, United, WestJet $436
Seattle to London American, Air Canada, Alaska, United, WestJet $708
Seattle to Thunder Bay American, Air Canada, Alaska, JetBlue, United, WestJet $638
Seattle to Kingston American, Air Canada, Alaska, United Check Dates
Seattle to Windsor American, Air Canada, Alaska, JetBlue, United, WestJet $628
Seattle to North Bay American, Air Canada, Alaska, JetBlue, United Check Dates
Seattle to Sudbury American, Air Canada, Alaska, JetBlue, United Check Dates
Seattle to Sault Ste Marie American, Air Canada, Alaska, JetBlue, United $822

Cheap Domestic Flights to Ontario - ON

FlightsAirlineLowest Price
Vancouver to Toronto Pacific Coastal, Central Mountain, Air Canada, Air Transat, Sunwing, WestJet $438
Victoria to Toronto Pacific Coastal, Air Canada, WestJet $460
Vancouver to Ottawa Pacific Coastal, Air Canada, Air Transat, Sunwing, WestJet $452
Abbotsford to Toronto Air Canada, WestJet $401
Vancouver to London Air Canada, Air Transat, Sunwing, WestJet $413
Vancouver to Windsor Air Canada, WestJet $457
Comox to Toronto Pacific Coastal, Central Mountain, Air Canada, WestJet $595
Vancouver to Thunder Bay Air Canada, WestJet $368
Nanaimo to Toronto Air Canada, WestJet $585
Victoria to Ottawa Air Canada, WestJet $510
Vancouver to Kingston Air Canada $607
Vancouver to Sudbury Air Canada $750
Abbotsford to Ottawa Air Canada, WestJet $538
Vancouver to Sault Ste Marie Air Canada $633
Victoria to London Air Canada, WestJet $411

Cheap International Flights to Ontario - ON

FlightsAirlineLowest Price
Portland to Toronto American, Air Canada, Alaska, JetBlue, Frontier, United, WestJet $427
Portland to London American, Air Canada, Alaska, United, WestJet $651
Bellingham to Toronto American, Air Canada, Alaska, United, WestJet $702
Portland to Ottawa American, Air Canada, Alaska, United, WestJet $482
Cheap Flights from Seattle to Ontario - from $436 Round trip from SEA to ON