Cheapest return flights from Portland to San Jose in March from 323€

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

Return flights

28 Mar - 03 Apr American Airlines
29 Mar - 03 Apr American Airlines
29 Mar - 02 Apr United
29 Mar - 04 Apr American Airlines
21 Mar - 25 Mar United
23 Mar - 31 Mar Aeromexico
20 Mar - 26 Mar Aeromexico
24 Mar - 28 Mar Southwest Airlines
20 Mar - 25 Mar Aeromexico
21 Mar - 26 Mar Aeromexico
21 Mar - 28 Mar Aeromexico
21 Mar - 29 Mar Aeromexico

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

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