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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 $162 round trip and CA $82 one way. Prices and availability subject to change. Additional terms may apply.
Mon., 9 Dec. - Wed., 11 Dec.
SEA
Seattle
ONT
Ontario
CA $162 Roundtrip, found 16 hours ago
CA $162
Roundtrip
found 16 hours ago
Thu., 30 Jan. - Sat., 1 Feb.
SEA
Seattle
ONT
Ontario
CA $189 Roundtrip, found 1 day ago
CA $189
Roundtrip
found 1 day ago
Mon., 9 Dec. - Wed., 11 Dec.
SEA
Seattle
ONT
Ontario
CA $190 Roundtrip, found 16 hours ago
CA $190
Roundtrip
found 16 hours ago
Sat., 15 Mar. - Sun., 16 Mar.
SEA
Seattle
ONT
Ontario
CA $203 Roundtrip, found 2 days ago
CA $203
Roundtrip
found 2 days ago
Sat., 15 Mar. - Sun., 16 Mar.
SEA
Seattle
ONT
Ontario
CA $218 Roundtrip, found 2 days ago
CA $218
Roundtrip
found 2 days ago
Sat., 15 Mar. - Sun., 16 Mar.
SEA
Seattle
ONT
Ontario
CA $244 Roundtrip, found 2 days ago
CA $244
Roundtrip
found 2 days ago
Thu., 21 Nov. - Mon., 25 Nov.
SEA
Seattle
ONT
Ontario
CA $246 Roundtrip, found 2 days ago
CA $246
Roundtrip
found 2 days ago
Wed., 19 Feb. - Fri., 28 Feb.
SEA
Seattle
ONT
Ontario
CA $257 Roundtrip, found 4 days ago
CA $257
Roundtrip
found 4 days ago
Thu., 5 Dec. - Wed., 11 Dec.
SEA
Seattle
ONT
Ontario
CA $258 Roundtrip, found 4 days ago
CA $258
Roundtrip
found 4 days ago
Fri., 14 Mar. - Mon., 24 Mar.
SEA
Seattle
ONT
Ontario
CA $260 Roundtrip, found 1 day ago
CA $260
Roundtrip
found 1 day ago
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 San Diego
- Alaska Airlines Seattle to Phoenix
- Alaska Airlines Seattle to Newark Liberty Intl. Airport
- Alaska Airlines Seattle to Honolulu
- Alaska Airlines Seattle to Fort Lauderdale
- Air Canada Seattle to Delhi
- Alaska Airlines Seattle to New York
- Alaska Airlines Seattle to Dallas
- Alaska Airlines Seattle to Dallas
- Alaska Airlines Seattle to Orlando
Top Airlines Routes To ONT
Flights To ONT
Most Popular
Flights
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