Cheap flights from Oregon to Ontario, CA
Travel > North America > United States > Oregon to Ontario, CA flights
The city of Ontario has been considered as the fastest growing city in the state of California in the United States of America. The small city with its wonderful temperature and steady economic development has been able attract a lot of people to this area. The city has temperatures similar to that of the Mediterranean region with moderate temperatures and lower amount of humidity throughout the year. The rainfall in the region is also moderate and mostly you can find clear skies with bright... (read more in our Ontario Travel Guide)
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Cheapest flights found for the next 6 months
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Check our newest flight offers to Ontario, CA:
- $113
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Portland, OR (PDX) Ontario, CA (ONT) 01/26/2025 12:03 pm Ontario, CA (ONT) Portland, OR (PDX) 02/07/2025 08:01 am - $128
Multiple Airlines
cheapoair.com check priceFrom To Departure Time Portland, OR (PDX) Ontario, CA (ONT) 01/16/2025 12:03 pm Ontario, CA (ONT) Portland, OR (PDX) 01/29/2025 09:15 am - $138 Frontier Airlines
cheapoair.com check priceFrom To Departure Time Portland, OR (PDX) Ontario, CA (ONT) 01/16/2025 12:03 pm Ontario, CA (ONT) Portland, OR (PDX) 01/29/2025 07:45 am
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