Our cheapest offers for flights from Washington DC to San Jose, Costa Rica

Here you can compare cheap flights from Washington DC (IAD) to San Jose, Costa Rica (SJO) 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 San Jose, Costa Rica. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
Best option Washington DC San Jose, Costa Rica	Outbound 06/18/25 direct AV0663 04h 30min	Return 07/15/25 direct AV0662 04h 35min	Avianca		$261
Washington DC San Jose, Costa Rica	Outbound 06/18/25 direct AV0663 04h 30min	Return 07/15/25 direct AV0662 04h 35min	Avianca	?	$262
Washington DC San Jose, Costa Rica	Outbound 06/18/25 1 Stopover (DFW) AA0524, AA0467 12h 14min	Return 07/15/25 2 Stopovers (DFW, CLT) AA0320, AA2815, AA5549 21h 59min	American Airlines	?	$310
Washington DC San Jose, Costa Rica	Outbound 04/21/25 1 Stopover (PTY) CM0357, CM0818 24h 53min	Return 05/19/25 1 Stopover (PTY) CM0839, CM0404 08h 13min	Copa Airlines	?	$318
Washington DC San Jose, Costa Rica	Outbound 04/12/25 1 Stopover (SAL) AV0583, AV0651 08h 30min	Return 04/27/25 1 Stopover (SAL) N34341, N34326 23h 05min	Avianca	?	$395
Washington DC San Jose, Costa Rica	Outbound 04/12/25 1 Stopover (SAL) AV0583, AV0651 08h 30min	Return 04/27/25 1 Stopover (SAL) N34341, N34326 23h 05min	Avianca		$407
Washington DC San Jose, Costa Rica	Outbound 06/18/25 1 Stopover (IAH) UA2275, UA2448 13h 39min	Return 07/15/25 1 Stopover (IAH) UA1172, UA1887 16h 28min	United Airlines	?	$406
Washington DC San Jose, Costa Rica	Outbound 04/12/25 1 Stopover (SAL) AV0583, AV0651 08h 30min	Return 04/27/25 1 Stopover (SAL) N34341, N34326 23h 05min	Avianca		$414
Washington DC San Jose, Costa Rica	Outbound 06/20/25 1 Stopover (SAL) AV0583, AV0639 17h 35min	Return 07/19/25 1 Stopover (SAL) AV0318, AV0580 11h 15min	Avianca	?	$418
Washington DC San Jose, Costa Rica	Outbound 06/18/25 direct AV0663 04h 30min	Return 07/15/25 direct AV0662 04h 35min	Avianca	?	$418

Tips and tricks to help you find cheap flights from Washington DC to San Jose, Costa Rica

Important flight information

Flight information: Washington DC - San Jose, Costa Rica

Roundtrip from	$260.07
Flight duration	min. 05:04 / max. 06:29
Return flight duration	min. 04:48/ max. 06:09
Distance	3292 km
Flights per week	5
Departure airport	Airport Washington DC - Dulles International Airport, DC (IAD)
Arrival airport	Airport San Jose, Costa Rica (SJO)
Destination country	Flights to Costa Rica

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