Cheapest one-way flights from Oakland to Portland in March from $42

AirHint found the following cheapest one-way flights from Oakland (OAK) to Portland (PDX) in March 2026 (see full year).

One-Way flights

18 Mar Hawaiian Airlines direct
17 Mar Alaska Airlines direct
24 Mar Alaska Airlines direct
04 Mar Alaska Airlines direct
12 Mar Hawaiian Airlines
23 Mar Alaska Airlines direct
12 Mar Southwest Airlines direct
09 Mar Alaska Airlines direct
06 Mar Alaska Airlines direct
13 Mar Southwest Airlines direct

Also check the deals for return flights from Oakland to Portland in March.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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