Cheapest return flights from Washington to San Jose in June from $425

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

Return flights

21 Jun - 25 Jun Volaris El Salvador
23 Jun - 30 Jun Volaris El Salvador
20 Jun - 24 Jun Volaris El Salvador
21 Jun - 25 Jun Avianca direct
23 Jun - 30 Jun Avianca direct

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

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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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