Compare Washington, D.C. to Costa Rica flight deals starting at $378

Select journey type

Enter to select travel class and passengers

Find flights from Washington, D.C. (IAD) to Costa Rica

Washington, D.C. (IAD) to San Jose, CR (SJO)

Depart Sun 9 Dec 2018,
Return Mon 24 Dec 2018
from$ 388*Viewed: 1 hour ago

Washington, D.C. (WAS) to San Jose, CR (SJO)

Depart Mon 21 Jan 2019,
Return Sat 26 Jan 2019
from$ 378*Viewed: 16 hours ago

Washington, D.C. (WAS) to Liberia (Costa Rica) (LIR)

Depart Tue 15 Jan 2019,
Return Wed 30 Jan 2019
from$ 400*Viewed: 7 minutes ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. 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.
Coastline of Costa Rica with lush palm trees and jungle foliage on the sandy beach

Plan ahead for flights from Washington, D.C. to Costa Rica

from
to
Type
Dates
Price*
Washington, D.C. (WAS)
to San Jose, CR (SJO)
Roundtrip
Depart Mon 21 Jan 2019
Return Sat 26 Jan 2019
from$ 378*Viewed: 16 hours ago
Washington, D.C. (IAD)
to San Jose, CR (SJO)
Roundtrip
Depart Sun 9 Dec 2018
Return Mon 24 Dec 2018
from$ 388*Viewed: 1 hour ago
Washington, D.C. (WAS)
to Liberia (Costa Rica) (LIR)
Roundtrip
Depart Tue 15 Jan 2019
Return Wed 30 Jan 2019
from$ 400*Viewed: 7 minutes ago
*Prices have been available for round trips within the last 48 hours and may not be currently available. 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.