Flight deals from Ontario - Book cheap flights

February 14, 2024

US cities to Guyana from only $299 roundtrip (Apr-Nov dates)

Cheap flights from US cities to Guyana from only $299 roundtrip with United Airlines.

November 30, 2023

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Ontario, California to Cancun, Mexico for only $291 roundtrip (Jan-May dates)

Cheap flights from Ontario, California to Cancun, Mexico for only $291 roundtrip with American Airlines.

November 23, 2023

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🔥 SUMMER: US cities to Guatemala City, Guatemala from only $153 roundtrip (Dec-Oct dates)

Summer flights from US cities to Guatemala City, Guatemala from only $153 roundtrip with Avianca.

November 11, 2023

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Ontario, California to Kahului, Hawaii (& vice versa) for only $216 roundtrip (Dec-Feb dates)

Cheap flights from Ontario, California to Kahului, Hawaii for only $216 roundtrip with United Airlines. Also works in reverse.

November 10, 2023

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Ontario, California to Kona, Hawaii (& vice versa) for only $216 roundtrip (Dec-Feb dates)

Cheap flights from Ontario, California to Kona, Hawaii for only $216 roundtrip with United Airlines. Also works in reverse.

November 7, 2023

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Californian cities to San Jose, Costa Rica from only $223 roundtrip (Nov-Jul dates)

Cheap flights from Californian cities to San Jose, Costa Rica from only $223 roundtrip with Avianca.

November 3, 2023

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Californian cities to Lisbon, Portugal from only $430 roundtrip (Nov-Feb dates)

Cheap flights from Californian cities to Lisbon, Portugal from only $430 roundtrip with United Airlines and Air Canada.

October 28, 2023

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Ontario, California to Amsterdam, Netherlands for only $478 roundtrip (Nov-Feb dates)

Cheap flights from Ontario, California to Amsterdam, Netherlands for only $478 roundtrip with KLM and Delta Air Lines.

October 27, 2023

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San Francisco or Ontario to Paris, France from only $462 roundtrip (Nov dates)

Cheap flights from San Francisco or Ontario to Paris, France from only $462 roundtrip with Air France.