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Find the best flight from Ontario

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Great deals from Ontario

We’ve searched 100s of deals recently found by travellers.*
Ontario, CA (ONT) San Francisco, CA (SFO)
Sat, 24/08 - Tue, 27/08
United Airlines - Roundtrip, Economy
US$ 206
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Ontario, CA (ONT) Kansas City, MO (MKC)
Tue, 10/12 - Mon, 16/12
American Airlines - Roundtrip, Economy
US$ 332
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Ontario, CA (ONT) Atlanta, GA (ATL)
Wed, 02/10 - Mon, 07/10
United Airlines - Roundtrip, Economy
US$ 356
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Ontario, CA (ONT) New York City, NY (NYC)
Mon, 28/10 - Thu, 31/10
Multiple Airlines - Roundtrip, Economy
US$ 401
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Ontario, CA (ONT) Las Vegas, NV (LAS)
Fri, 31/01 - Mon, 03/02
American Airlines - Roundtrip, Economy
US$ 415
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Ontario, CA (ONT) Houston, TX (HOU)
Mon, 22/07 - Sat, 27/07
United Airlines - Roundtrip, Economy
US$ 421
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Ontario, CA (ONT) Orlando, FL (ORL)
Sun, 18/08 - Sun, 25/08
American Airlines - Roundtrip, Economy
US$ 435
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Ontario, CA (ONT) Seattle, WA (SEA)
Mon, 22/07 - Tue, 23/07
United Airlines - Roundtrip, Economy
US$ 443
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*Prices are based on round trip travel with returns between 1-21 days after departure. These are the best fares found by travellers who searched TripAdvisor and a select group of our fare search partners in the past 72 hours. Ticket prices and seat availability change rapidly and cannot be guaranteed.