Flights from Portland, OR to Ontario/LA, CA

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

*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 Portland, OR to Ontario/LA, CA on Frontier

$
Flights Deals from Portland, OR to Ontario/LA, CA on Frontier
From
To
Portland, OR (PDX)Ontario/LA, CA (ONT)One-way
/
Departing Dec 11, 2025

From

$64

Last seen: 19 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®.

Portland, OR Ontario/LA, CA

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