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Our cheapest offers for flights from Washington DC to Costa Rica

Here you can compare cheap flights from Washington DC (IAD) to Costa Rica for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Costa Rica. Prices and availability may change at any time.

Flights from Washington DC (IAD) to San Jose, Costa Rica (SJO)

	Outbound	Return	Airlines	Baggage	Price
Best option Washington DC San Jose, Costa Rica	Outbound 03/02/25 1 Stopover (SAL) AV0591, AV0611 09h 25min	Return 03/07/25 1 Stopover (SAL) AV0618, AV0580 06h 20min	Avianca	?	$317
Washington DC San Jose, Costa Rica	Outbound 02/19/25 2 Stopovers (SAL, GUA) AV0581, AV0588, AV0651 19h 25min	Return 03/10/25 1 Stopover (SAL) AV0618, AV0580 06h 20min	Avianca	?	$445
Washington DC San Jose, Costa Rica	Outbound 02/19/25 1 Stopover (SAL) AV0581, AV0613 07h 55min	Return 03/10/25 1 Stopover (SAL) AV0626, AV0582 08h 20min	Avianca	?	$521