From
To
City
Select sites to compare prices
Enter your destination to continue
Enter your travel dates to continue
Select at least 3 sites to continue

Find Flights

Search

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 Apr 2, 2017 Apr 4, 2017 $364
Alaska May 18, 2017 May 19, 2017 $386
Alaska May 13, 2017 May 20, 2017 $452
Alaska Mar 13, 2017 Mar 18, 2017 $457
American May 12, 2017 May 23, 2017 $457
Alaska Mar 15, 2017 Mar 21, 2017 $457
American Mar 22, 2017 Mar 29, 2017 $458
WestJet May 10, 2017 May 16, 2017 $458
Alaska May 10, 2017 May 16, 2017 $459
Alaska May 10, 2017 May 17, 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 3/10/17 3/13/17 $485
Ottawa 3/23/17 3/27/17 $464

Flight Schedule Summaries Last modified: Feb 20, 2017 0:37 -05:00Number of routes searched: 504Number of itineraries searched: 195,670

Seattle to Toronto
Airline Connections Mon Tue Wed Thu Fri Sat Sun
Air Canada -
United -
American BOS
American CLT
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 JFK
Icelandair KEF
United DEN
United EWR
United IAD
United IAH
WestJet YEG
WestJet YVR
WestJet YYC
WestJet YYJ

Cheap International Flights to Ontario - ON Last modified: Feb 20, 2017 0:37 -05:00Prices shown were found by travelers like you over the past 30 days

Cheap Flights from Seattle to Ontario - from $364 Round trip from SEA to ON