Cheapest return flights from Washington to San Jose in May from $268

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

Return flights

13 May - 20 May United
08 May - 15 May United
27 May - 02 Jun American Airlines
20 May - 26 May United
18 May - 23 May United
09 May - 16 May United
28 May - 02 Jun American Airlines
15 May - 18 May Southwest Airlines
15 May - 22 May American Airlines
08 May - 10 May Southwest Airlines
23 May - 26 May Azul Airlines
15 May - 20 May Avianca

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

Powered by

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.

Book a cheap hotel in San Jose

Cheap car rent in San Jose

Feel free to contact us with any feedback or request another flight research.