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

Toronto
Carrier	Departure Date	Return Date	Lowest Price
WestJet	Dec 7, 2017	Dec 8, 2017	$365
WestJet	Mar 5, 2018	Mar 6, 2018	$366
Alaska	Dec 7, 2017	Dec 8, 2017	$375
WestJet	Jan 18, 2018	Jan 21, 2018	$377
WestJet	Feb 7, 2018	Feb 14, 2018	$391
Air Canada	Nov 12, 2017	Nov 14, 2017	$397
WestJet	Jan 10, 2018	Jan 20, 2018	$399
WestJet	Feb 1, 2018	Feb 5, 2018	$407
WestJet	Dec 4, 2017	Dec 8, 2017	$407
WestJet	Jan 19, 2018	Jan 28, 2018	$408

Cheap Last Minute Flights from Seattle to Ontario Prices shown were found by travelers like you over the past 30 days

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from Seattle to Ontario. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Destination	Departing	Returning	Price
Ottawa	11/2/17	11/6/17	$439
Toronto	11/10/17	11/14/17	$412

Flight Schedule Summaries Last modified: Oct 20, 2017 4:02 -04:00Number of routes searched: 417Number of itineraries searched: 605,119

Seattle to Toronto
Airline	Connections	Mon	Tue	Wed	Thu	Fri	Sat	Sun
Air Canada	-	√	√	√	√	√	√	√
United	-	√	√	√	√	√	√	√
American	CLT	√	√	√	√	√	√	√
American	DFW	√	√	√	√	√	√	√
American	JFK	√	√	√	√	√	√	√
American	LAX	√	√	√	√	√	√	√
American	MIA	√	√	√	√	√	√	√
Air Canada	YVR	√	√	√	√	√	√	√
Air Canada	YYC	√	√	√	√	√	√	√
AeroMexico	MEX	√	√	√	√	√	√	√
Alaska	LAX	√	√	√	√	√	√	√
Major Airlines	ATL	√	√	√	√	√	√	√
Major Airlines	BOS	√	√	√	√	√	√	√
Major Airlines	CVG	√	√	√	√	√	√	√
Major Airlines	DTW	√	√	√	√	√	√	√
Major Airlines	FLL	√	√	√	√	√	√
Icelandair	KEF	√	√	√	√	√	√	√
United	BOS	√	√	√	√	√	√	√
United	DEN	√	√	√	√	√	√	√
United	EWR	√	√	√	√	√	√	√
United	IAD	√	√	√	√	√	√	√
WestJet	YEG	√	√	√	√	√	√	√
WestJet	YVR	√	√	√	√	√	√	√
WestJet	YYC	√	√	√	√	√	√	√
WestJet	YYJ		√		√		√

Cheap International Flights from Seattle - SEA Last modified: Oct 20, 2017 4:02 -04:00Prices shown were found by travelers like you over the past 30 days

Flights	Lowest Price
Seattle to Toronto	$365
Seattle to Ottawa	$385
Seattle to London, Ontario	$682
Seattle to Thunder Bay	Check Dates
Seattle to Kingston, Ontario	Check Dates
Seattle to Windsor	Check Dates
Seattle to North Bay	Check Dates
Seattle to Sudbury	Check Dates
Seattle to Sault Ste Marie, Ontario	Check Dates

Cheap Domestic Flights to Ontario - ON Last modified: Oct 20, 2017 4:02 -04:00Prices shown were found by travelers like you over the past 30 days

Flights	Lowest Price
Vancouver to Toronto	$246
Victoria, British Columbia to Toronto	$370
Vancouver to Ottawa	$407
Abbotsford to Toronto	$386
Vancouver to London, Ontario	$354
Vancouver to Windsor	$394
Comox to Toronto	$408
Vancouver to Thunder Bay	$324
Nanaimo to Toronto	$419
Victoria, British Columbia to Ottawa	$404
Vancouver to Kingston, Ontario	$471
Vancouver to Sudbury	$377
Abbotsford to Ottawa	$485
Vancouver to Sault Ste Marie, Ontario	$443
Victoria, British Columbia to London, Ontario	$406

Cheap International Flights to Ontario - ON Last modified: Oct 20, 2017 4:02 -04:00Prices shown were found by travelers like you over the past 30 days

Flights	Lowest Price
Portland, Oregon to Toronto	$319
Portland, Oregon to London, Ontario	$683
Bellingham to Toronto	Check Dates
Portland, Oregon to Ottawa	$439

Cheap Flights From Seattle To Ontario