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

Home Premium Fare Deals About

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

Monday, June 29th, 2026

4 round-trip options

Returning

Sat, Jul 4, 2026•5 Day Trip

$627 USD

Returning

Sun, Jul 5, 2026•6 Day Trip

$646 USD

Returning

Wed, Jul 8, 2026•9 Day Trip

$493 USD

Returning

Thu, Jul 9, 2026•10 Day Trip

$493 USD