Cheapest return flights from Portland to San Jose in March from 261€

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

Return flights

08 Mar - 13 Mar United
03 Mar - 10 Mar United
02 Mar - 09 Mar United
02 Mar - 08 Mar Frontier Airlines
24 Mar - 30 Mar Hawaiian Airlines
23 Mar - 30 Mar Hawaiian Airlines
24 Mar - 28 Mar Hawaiian Airlines
22 Mar - 28 Mar Allegiant Air
21 Mar - 29 Mar Aeromexico
21 Mar - 28 Mar Aeromexico

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