DCA to SJO from $356 in economy – flightdeals.net

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United Airlines

UAUnited Airlines

Round Trip•Economy

Ronald Reagan Washington National Airport

Washington, United States

Juan Santamaría International Airport (SJO)

San José, Costa Rica

$526 USD

-32%$356 USD

Verified 2 days ago

June 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 2$356 3$391 4$401 5$356 6$356 7$356 8$356 9$391 10$391 11$391 12$391 13$391 14$500 15$391 16$391 17$539 18$616 19$491 20$515 21$391 22$526 23$614 24$516 25$490 26$588 27$567 28$490 29$493 30$490 1$536 2$536 3$400 4$391 5$708

Good Availability

43% of dates checked are available within 10% of the lowest price

Thursday, June 11th, 2026

4 round-trip options

Returning

Tue, Jun 16, 2026•5 Day Trip

$426 USD

Returning

Wed, Jun 17, 2026•6 Day Trip

$391 USD

Returning

Sat, Jun 20, 2026•9 Day Trip

$538 USD

Returning

Sun, Jun 21, 2026•10 Day Trip

$647 USD