Cheap flights from Ontario to Portland
Travel > North America > United States > Ontario to Portland flights
In the second half of the 19th century, Portland authorities adopted a law that prohibited the free distribution and commercialization of alcohol. The example was soon followed by the other states, but lead to the 1855 Portland Rum Riot. As a consequence of the street protests, the law was revoked in the following year. Portland grew up as an important maritime knot in the commerce with Canada and became one the country’s leading steam locomotive manufacturers. In 1866, the fireworks... (read more in our Portland History)
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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 - $318 Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Portland, OR (PDX) 03/18/2025 12:59 am Portland, OR (PDX) Ontario, CA (ONT) 03/25/2025 07:00 am - $548 Frontier Airlines
cheapoair.com check priceFrom To Departure Time Ontario, CA (ONT) Portland, OR (PDX) 04/22/2025 01:19 pm Portland, OR (PDX) Ontario, CA (ONT) 04/29/2025 06:20 am
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