Flights from Boston to Puerto Rico

Our cheapest offers for flights from Boston to Puerto Rico

Here you can compare cheap flights from Boston (BOS) to Puerto Rico 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 Puerto Rico. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Boston
San Juan (Puerto Rico)
Outbound
06/08/25
direct
F93001
04h 06min
Return
06/12/25
direct
F93002
04h 13min
Frontier Airlines ?
$209
Boston
San Juan (Puerto Rico)
Outbound
06/08/25
direct
F93001
04h 06min
Return
06/12/25
direct
F93002
04h 13min
Frontier Airlines
$214
Boston
San Juan (Puerto Rico)
Outbound
06/08/25
direct
F93001
04h 06min
Return
06/12/25
direct
F93002
04h 13min
Frontier Airlines
$225
Prices based on recent searches, subject to last-minute changes
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