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Our cheapest offers for flights from Boston to Costa Rica

Here you can compare cheap flights from Boston (BOS) 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 Boston (BOS) to San Jose, Costa Rica (SJO)

	Outbound	Return	Airlines	Baggage	Price
Best option Boston San Jose, Costa Rica	Outbound 02/19/25 1 Stopover (SAL) AV0445, AV0627 08h 30min	Return 03/10/25 1 Stopover (SAL) AV0626, AV0444 07h 35min	Avianca		$265
Boston San Jose, Costa Rica	Outbound 02/19/25 1 Stopover (SAL) AV0445, AV0627 08h 30min	Return 03/10/25 1 Stopover (SAL) AV0626, AV0444 07h 35min	Avianca	?	$268
Boston San Jose, Costa Rica	Outbound 02/19/25 2 Stopovers (ORD, EWR) UA1015, UA1633, UA1642 17h 57min	Return 03/10/25 1 Stopover (PTY) CM0763, CM0366 08h 37min	United Airlines	?	$453