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Alaska Airlines flights from Seattle to Ontario (SEA→ONT)
Prices were available within the past 7 days and start at CA $120 for one-way flights and CA $213 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug. 5 - Tue, Aug. 12
SEA
Seattle
ONT
Ontario
CA $213 Roundtrip, found 4 hours ago
CA $213
Roundtrip
found 4 hours ago

Thu, Aug. 14 - Wed, Aug. 20
SEA
Seattle
ONT
Ontario
CA $241 Roundtrip, found 4 hours ago
CA $241
Roundtrip
found 4 hours ago

Wed, Sep. 17 - Sun, Sep. 21
PAE
Seattle
ONT
Ontario
CA $755 Roundtrip, found 1 day ago
CA $755
Roundtrip
found 1 day ago

Wed, Sep. 17 - Sun, Sep. 21
PAE
Seattle
ONT
Ontario
CA $795 Roundtrip, found 1 day ago
CA $795
Roundtrip
found 1 day ago

Wed, Sep. 17 - Sun, Sep. 21
PAE
Seattle
ONT
Ontario
CA $871 Roundtrip, found 1 day ago
CA $871
Roundtrip
found 1 day ago

Wed, Sep. 17 - Sun, Sep. 21
PAE
Seattle
ONT
Ontario
CA $885 Roundtrip, found 1 day ago
CA $885
Roundtrip
found 1 day ago
Origin airport | Seattle - Tacoma Intl. |
Destination airport | Los Angeles - Ontario Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, United |
Popular airline | Delta |
Distance | 1530 km |
Average flight time | 2 hours 47 mins |
- Trending Alaska Airlines Flights
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- Main Airports for Alaska Airlines Flights
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Most Popular Alaska Airlines Routes from Seattle
Most Popular Alaska Airlines Routes from Ontario
- Vancouver to Las Vegas (YVR - LAS)
- Vancouver to New York (YVR - JFK)
- Vancouver to Cancun (YVR - CUN)
- Vancouver to Newark Liberty Intl. Airport (YVR - EWR)
- Vancouver to New York (YVR - JFK)
- Vancouver to Kahului (YVR - OGG)
- Vancouver to Las Vegas (YVR - LAS)
- Toronto to Los Angeles (YYZ - LAX)
- Calgary to Cancun (YYC - CUN)
- Vancouver to Puerto Vallarta (YVR - PVR)
Popular Domestic Routes in Los Angeles - Ontario Intl.
- Vancouver to Las Vegas (YVR - LAS)
- Vancouver to Newark Liberty Intl. Airport (YVR - EWR)
- Calgary to Los Angeles (YYC - LAX)
- Vancouver to Puerto Vallarta (YVR - PVR)
- Vancouver to Tokyo (YVR - HND)
- Toronto to Los Angeles (YYZ - LAX)
- Vancouver to New York (YVR - JFK)
- Toronto to Honolulu (YYZ - HNL)
- Vancouver to San Francisco (YVR - SFO)
- Toronto to San Francisco (YYZ - SFO)
Main Airports for Alaska Airlines Flights
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