Cheapest return flights from Oakland to Portland in March from $96

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

Return flights

03 Mar - 04 Mar Southwest Airlines direct
24 Mar - 25 Mar Alaska Airlines direct
09 Mar - 10 Mar Alaska Airlines direct
16 Mar - 17 Mar Southwest Airlines direct
02 Mar - 03 Mar Alaska Airlines direct
24 Mar - 26 Mar Southwest Airlines direct
11 Mar - 15 Mar Alaska Airlines direct
11 Mar - 16 Mar Alaska Airlines direct
14 Mar - 16 Mar Southwest Airlines direct
07 Mar - 09 Mar Southwest Airlines direct

Also check the deals for one-way flights from Oakland to Portland in March.

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