Cheap Flights from Seattle to Ontario - SEA to ONT (reverse)
Popular Flights from Seattle to Ontario
- Airfare from Seattle to Ontario on Delta from $148 round trip
- Airfare from Seattle to Ontario on United from $159 round trip
- Airfare from Seattle to Ontario on American from $216 round trip
- Airfare from Seattle to Ontario on Alaska from $216 round trip
- Airfare from Seattle to Ontario on US Airways from $218 round trip
Did You Know?
- United has 12 one stop flights between Seattle, WA and Ontario, CA.
- 8 airlines operate between Seattle, WA and Ontario, CA
- 323 flights per week fly out of Seattle, WA connecting to Ontario, CA
- American has the most nonstop flights between Seattle, WA and Ontario, CA.
- Portland, OR is the most popular connection for one stop flights between Seattle, WA and Ontario, CA.
- The smallest aircraft operated by Delta flying between Seattle, WA and Ontario, CA is a DH8 with 76 seats.
- The largest aircraft operated by Alaska flying between Seattle, WA and Ontario, CA is a 767 with 262 seats.
- The shortest flight between Seattle, WA and Ontario, CA on Delta is 955 miles.
Farecompare Research Tools
Advance Purchase Prices from Seattle to Ontario
- Carrier0 Days1 Day3 Days7 Days10 Days14 Days21 Days
- Alaska$626$626$540$190$190$240$240
- American$626$626$230$190$320$240$240
- Continental$381$381$381$181$341$241$241
- Delta$360$360$540$160$320$220$160
- US Airways$349$349$561$181$341$261$181
- United$381$381$381$181$341$241$241
Daily Non-stop Flight Schedules from Seattle/Tacoma International to Ontario International
- AirlineMonTueWedThuFriSatSunEarliest FlightLatest Flight
- Alaska33333127:15 AM8:40 PM
Cheap Domestic Flights from Seattle - SEA
Flights
Airline
Lowest Price
United, Delta, Alaska, AirTran, Sun Ctry, Virgin America, American, US Airways, Frontier
$264
United, Alaska, US Airways, Hawaiian, American, Frontier, Virgin America, Delta
$198
Virgin America, Frontier, United, Delta, Alaska, US Airways, American, JetBlue
$184
US Airways, Sun Ctry, Frontier, United, Alaska, Virgin America, American, Delta
$242
Virgin America, Alaska, United, JetBlue, Frontier, Sun Ctry, Delta, American, US Airways, AirTran
$320
Frontier, United, Delta, Alaska, JetBlue, American, US Airways, Hawaiian, AirTran, Virgin America
$392
US Airways, AirTran, JetBlue, American, United, Delta, Alaska, Virgin America
$180
Alaska, United, US Airways, American, Delta, Sun Ctry, AirTran, JetBlue, Virgin America
$228
US Airways, United, American, AirTran, Delta, Alaska, Sun Ctry, JetBlue, Virgin America, Frontier
$244
Frontier, Delta, AirTran, Virgin America, United, US Airways, American, JetBlue, Alaska
$320
Delta, Alaska, United, US Airways, American, JetBlue, Frontier, Virgin America
$210