Cheap flights from Ontario to Portland
Travel > North America > United States > Ontario to Portland flights
Besides the fact that is a great port, the city is also close to mountains and desert areas adding an air of natural beauty to the city. The presence of splendid Mount Hood about 70 miles to the east, offers a wonderful view especially on a clear day when its peaks can be seen from the city, though the presence of Mount St. Helen's can sometimes overshadow the view when it erupts as it did in 1980.... (read more in our Portland Travel Guide)
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Check our newest flight offers to Portland:
- $88
Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Portland, OR (PDX) 04/01/2025 02:01 pm Portland, OR (PDX) Ontario, CA (ONT) 04/15/2025 05:14 pm - $118 Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Portland, OR (PDX) 01/22/2025 07:45 am Portland, OR (PDX) Ontario, CA (ONT) 02/11/2025 07:35 am - $123 Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Portland, OR (PDX) 01/10/2025 08:04 am Portland, OR (PDX) Ontario, CA (ONT) 01/22/2025 07:35 am - $153 Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Portland, OR (PDX) 12/12/2024 06:45 am Portland, OR (PDX) Ontario, CA (ONT) 12/23/2024 06:59 pm - $248 Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Portland, OR (PDX) 12/12/2024 06:45 am Portland, OR (PDX) Ontario, CA (ONT) 12/21/2024 12:45 pm
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