IAD to SJO from $346 in economy – flightdeals.net

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Copa Airlines

CMCopa Airlines

Round Trip•Economy

Washington Dulles International Airport

Washington, United States

Juan Santamaría International Airport (SJO)

San José, Costa Rica

$461 USD

-25%$346 USD

Verified 14 days ago

July 2026

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29 30 1 2 3 4 5$411 6$606 7$713 8$687 9$670 10$961 11$670 12$881 13$718 14$716 15$824 16$389 17$442 18$625 19$506 20$681 21$451 22$459 23$388 24$504 25$504 26$382 27$432 28$547 29$440 30$466 31$463 1$485 2$474

Fair Availability

22% of dates checked are available within 10% of the lowest price

Thursday, July 2nd, 2026

0 round-trip options

No flight details available for this date.