Cheapest return flights from Washington to San Jose in May from 286€

AirHint found the following cheapest return flights from Washington (DCA) to San Jose (SJO) in May 2026 (see full year).

Return flights

08 May - 11 May United
07 May - 13 May United
30 May - 04 Jun United
06 May - 11 May United
15 May - 18 May Southwest Airlines
30 May - 01 Jun United
02 May - 09 May United
16 May - 20 May Southwest Airlines
06 May - 17 May Southwest Airlines
15 May - 17 May Southwest Airlines
28 May - 04 Jun Southwest Airlines
06 May - 10 May United
30 May - 06 Jun United
20 May - 24 May United

Also check the deals for one-way flights from Washington to San Jose in May.

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