Flights from Ontario/LA, CA to Portland, OR

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Best Deals on Flights From Ontario/LA, CA (ONT) to Portland, OR (PDX)

*Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

Flights Deals from Ontario/LA, CA to Portland, OR on Frontier

$
Flights Deals from Ontario/LA, CA to Portland, OR on Frontier
From
To
Ontario/LA, CA (ONT)Portland, OR (PDX)One-way
/
Departing Dec 18, 2025

From

$72

Last seen: 4 hours ago

*Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

Ontario/LA, CA Portland, OR

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