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

July 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$493 30$490 1$536 2$536 3$400 4$391 5$708 6$542 7$493 8$575 9$619 10$502 11$536 12$536 13$502 14$502 15$493 16$607 17$548 18$551 19$536 20$502 21$490 22$537 23$583 24$551 25$516 26$571 27$537 28$525 29$535 30$624 31$536 1$400 2$525

Good Availability

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

Tuesday, July 28th, 2026

4 round-trip options

Returning

Sun, Aug 2, 2026•5 Day Trip

$636 USD

Returning

Mon, Aug 3, 2026•6 Day Trip

$624 USD

Returning

Thu, Aug 6, 2026•9 Day Trip

$525 USD

Returning

Fri, Aug 7, 2026•10 Day Trip

$624 USD