Cheapest return flights from Washington to San Jose in May from 230€

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

Return flights

06 May - 27 May United
19 May - 29 May United
20 May - 26 May United
09 May - 16 May United
09 May - 30 May United
02 May - 09 May Southwest Airlines
09 May - 17 May United
01 May - 08 May Southwest Airlines
08 May - 08 May Delta
09 May - 09 May Delta

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

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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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