Flights from Boston to San Jose, Costa Rica

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

Here you can compare cheap flights from Boston (BOS) 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 Shop Baggage Price
Boston
San Jose, Costa Rica
Outbound
09/23/25
1 Stopover (FLL)
B60569, B60039
07h 10min
Return
09/30/25
2 Stopovers (GUA, SAL)
AV0654, AV0579, AV0444
20h 35min
JetBlue Airways ?
$321
Best option
Boston
San Jose, Costa Rica
Outbound
09/23/25
1 Stopover (FLL)
NK0296, NK0335
07h 08min
Return
09/30/25
1 Stopover (FLL)
NK0338, NK0616
10h 16min
Spirit Airlines
$328
Boston
San Jose, Costa Rica
Outbound
09/23/25
1 Stopover (FLL)
NK0296, NK0335
07h 08min
Return
09/30/25
2 Stopovers (GUA, SAL)
AV0654, AV0579, AV0444
20h 35min
Spirit Airlines
$325
Boston
San Jose, Costa Rica
Outbound
10/18/25
1 Stopover (FLL)
NK0296, NK0335
07h 08min
Return
10/24/25
1 Stopover (MCO)
Q64000, NK3796
30h 05min
Spirit Airlines
$333
Boston
San Jose, Costa Rica
Outbound
09/23/25
1 Stopover (FLL)
NK0296, NK0335
07h 08min
Return
09/30/25
1 Stopover (FLL)
NK0338, NK0616
10h 16min
Spirit Airlines
$338
Boston
San Jose, Costa Rica
Outbound
09/23/25
1 Stopover (FLL)
B60569, B60039
07h 10min
Return
09/30/25
1 Stopover (FLL)
B60038, B60470
08h 58min
JetBlue Airways ?
$338
Boston
San Jose, Costa Rica
Outbound
09/04/25
2 Stopovers (DCA, DFW)
AA1535, AA0795, AA1053
11h 50min
Return
09/28/25
2 Stopovers (MIA, PHL)
AA1788, AA2188, AA1467
17h 15min
American Airlines ?
$342
Boston
San Jose, Costa Rica
Outbound
10/18/25
1 Stopover (FLL)
NK0296, NK0335
07h 08min
Return
10/24/25
1 Stopover (FLL)
NK0338, NK0616
10h 16min
Spirit Airlines
$343
Boston
San Jose, Costa Rica
Outbound
10/10/25
1 Stopover (SAL)
AV0445, AV0627
08h 45min
Return
11/04/25
2 Stopovers (GUA, SAL)
AV0654, AV0579, AV0444
20h 10min
Avianca ?
$350
Boston
San Jose, Costa Rica
Outbound
10/10/25
1 Stopover (SAL)
AV0445, AV0627
08h 45min
Return
11/04/25
2 Stopovers (GUA, SAL)
AV0654, AV0579, AV0444
20h 10min
Avianca
$352
Prices based on recent searches, subject to last-minute changes
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Important flight information

Flight information: Boston - San Jose, Costa Rica

Roundtrip from $320.77
Distance 3826 km
Departure airport Airport Boston Logan International Airport, MA (BOS)
Arrival airport Airport San Jose, Costa Rica (SJO)
Destination country Flights to Costa Rica
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