From
To
City
Select sites to compare prices

Find Flights

Search

Enter your destination to continue
Enter your travel dates to continue
Select at least 3 sites to continue
Select your depart date
Select your return date

Cheap Flights From Seattle To Ontario

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

Toronto
Carrier Departure Date Return Date Lowest Price
Alaska Aug 1, 2017 Aug 2, 2017 $427
WestJet May 17, 2017 May 24, 2017 $441
WestJet May 13, 2017 May 23, 2017 $442
American Apr 26, 2017 May 8, 2017 $448
Alaska Jul 7, 2017 Jul 8, 2017 $449
Alaska Jun 4, 2017 Jun 15, 2017 $452
WestJet May 9, 2017 May 18, 2017 $452
WestJet Jun 2, 2017 Jun 6, 2017 $456
WestJet Apr 26, 2017 May 8, 2017 $459

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.

DestinationDepartingReturningPrice
Toronto 4/20/17 4/24/17 $463
Windsor 4/21/17 4/23/17 $715
Ottawa 5/4/17 5/8/17 $470

Flight Schedule Summaries Last modified: Mar 30, 2017 0:40 -04:00Number of routes searched: 512Number of itineraries searched: 272,656

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

Cheap International Flights from Seattle - SEA Last modified: Mar 30, 2017 0:40 -04:00Prices shown were found by travelers like you over the past 30 days

Cheap International Flights to Ontario - ON Last modified: Mar 30, 2017 0:40 -04:00Prices shown were found by travelers like you over the past 30 days

Cheap Flights from Seattle to Ontario - from $427 Round trip from SEA to ON