Flights from Washington, D.C. to Costa Rica from $ 236*
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1 Passenger, Economy
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today
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Find United's best fares from Washington, D.C. to Costa Rica
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Washington, D.C. (IAD)to
San Jose, CR (SJO)01/24/26 - 01/28/26from$Â 236Viewed: 9 hours agoRoundtripEconomy
Washington, D.C. (IAD)to
Liberia (Costa Rica) (LIR)02/05/26 - 02/09/26from$Â 265Viewed: 3 hours agoRoundtripEconomyWashington, D.C. (DCA)to
Liberia (Costa Rica) (LIR)01/09/26 - 01/23/26from$Â 265Viewed: 22 hours agoRoundtripEconomyWashington, D.C. (DCA)to
San Jose, CR (SJO)12/08/25 - 12/22/25from$Â 236Viewed: 22 hours agoRoundtripEconomy
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.
Business class flights from Washington, D.C. to Costa Rica
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Washington, D.C. (IAD)to
San Jose, CR (SJO)
01/25/26 - 01/30/26
Roundtrip
Business
from
$Â 983
Viewed: 7 hours ago
Washington, D.C. (IAD)to
Liberia (Costa Rica) (LIR)
12/16/25 - 12/21/25
Roundtrip
Business
from
$Â 921
Viewed: 12 hours ago
Washington, D.C. (DCA)to
Liberia (Costa Rica) (LIR)
01/21/26 - 01/26/26
Roundtrip
Business
from
$Â 1,025
Viewed: 5 hours ago
Washington, D.C. (DCA)to
San Jose, CR (SJO)
02/05/26 - 02/12/26
Roundtrip
Business
from
$Â 872
Viewed: 10 hours ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.