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Cheapest Flights from Seattle (SEA) to Ontario (ONT)
The cheapest flights to Los Angeles - Ontario Intl. found within the past 7 days were CA $81 round trip and CA $94 one way. Prices and availability subject to change. Additional terms may apply.
Wed., 21 Aug. - Tue., 27 Aug.
SEA
Seattle
ONT
Ontario
CA $81 Roundtrip, found 6 days ago
CA $81
Roundtrip
found 6 days ago
Tue., 20 Aug. - Tue., 27 Aug.
SEA
Seattle
ONT
Ontario
CA $86 Roundtrip, found 6 days ago
CA $86
Roundtrip
found 6 days ago
Wed., 21 Aug. - Mon., 26 Aug.
SEA
Seattle
ONT
Ontario
CA $115 Roundtrip, found 6 days ago
CA $115
Roundtrip
found 6 days ago
Tue., 20 Aug. - Mon., 26 Aug.
SEA
Seattle
ONT
Ontario
CA $121 Roundtrip, found 6 days ago
CA $121
Roundtrip
found 6 days ago
Tue., 15 Oct. - Thu., 17 Oct.
SEA
Seattle
ONT
Ontario
CA $136 Roundtrip, found 5 days ago
CA $136
Roundtrip
found 5 days ago
Thu., 15 Aug. - Mon., 26 Aug.
SEA
Seattle
ONT
Ontario
CA $152 Roundtrip, found 6 days ago
CA $152
Roundtrip
found 6 days ago
Tue., 2 Jul. - Tue., 9 Jul.
SEA
Seattle
ONT
Ontario
CA $161 Roundtrip, found 3 days ago
CA $161
Roundtrip
found 3 days ago
Tue., 15 Oct. - Mon., 21 Oct.
SEA
Seattle
ONT
Ontario
CA $165 Roundtrip, found 5 days ago
CA $165
Roundtrip
found 5 days ago
Fri., 16 Aug. - Mon., 26 Aug.
SEA
Seattle
ONT
Ontario
CA $169 Roundtrip, found 6 days ago
CA $169
Roundtrip
found 6 days ago
Wed., 11 Sep. - Wed., 11 Sep.
SEA
Seattle
ONT
Ontario
CA $180 Roundtrip, found 2 days ago
CA $180
Roundtrip
found 2 days ago
Flight Schedule for SEA to ONT
Frequently asked questions
Popular Flight Routes from Seattle (SEA)
Travelers at SEA love to visit these top cities. Roam to the top destinations from Seattle (SEA) today with the cheap prices from Travelocity!
Popular Flight Routes from Ontario (ONT)
Travelers at ONT love to visit these top cities. Roam to the top destinations from Ontario(ONT) today with the cheap prices from Travelocity!
Top Airlines Routes From SEA
- Alaska Airlines Seattle to Chicago
- Alaska Airlines Seattle to Newark
- Alaska Airlines Seattle to Phoenix
- Alaska Airlines Seattle to Honolulu
- Lufthansa Seattle to Delhi
- Alaska Airlines Seattle to New York
- Alaska Airlines Seattle to Kahului
- Alaska Airlines Seattle to Dallas
- All Nippon Airways Seattle to Tokyo
- Alaska Airlines Seattle to Dallas
Top Airlines Routes To ONT
Flights To ONT
- Alaska Airlines Seattle to Chicago
- Alaska Airlines Seattle to Newark
- Alaska Airlines Seattle to Phoenix
- Alaska Airlines Seattle to Honolulu
- Lufthansa Seattle to Delhi
- Alaska Airlines Seattle to New York
- Alaska Airlines Seattle to Kahului
- Alaska Airlines Seattle to Dallas
- All Nippon Airways Seattle to Tokyo
- Alaska Airlines Seattle to Dallas
Most Popular
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