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

Return flights

01 Jul - 07 Jul	jetBlue
08 Jul - 27 Jul	jetBlue
07 Jul - 28 Jul	Alaska Airlines
04 Jul - 12 Jul	Alaska Airlines
06 Jul - 25 Jul	jetBlue
06 Jul - 27 Jul	jetBlue
07 Jul - 20 Jul	Alaska Airlines
05 Jul - 13 Jul	Alaska Airlines

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

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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Cheapest return flights from Washington to San Jose in July from $545

Return flights