Cheap Flights from Boston to Caribbean Coast

View €154 flight on Fri, 17 Oct 2025Opens in a new window

Popular airlines from Boston to Caribbean Coast

  • Aer Lingus

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    British Airways

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  • American Airlines

    American Airlines

  • Air Serbia

    Air Serbia

  • Swiss International Air Lines

    Swiss International Air Lines

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Cheap flights from Boston to Caribbean Coast (BOS-SJO)

Prices were available within the past 7 days and start at €154 for one-way flights and €318 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Fri, 17 Oct - Sun, 19 Oct
BOS
Boston
SJO
San José
€318 Return, found 3 days ago
€318
Return
found 3 days ago
Select JetBlue Airways flight, departing Fri, 17 Oct from Boston to San José, returning Sun, 19 Oct, priced at €318 found 3 days ago
JetBlue Airways
Fri, 17 Oct - Sun, 19 Oct
BOS
Boston
SJO
San José
€319 Return, found 3 days ago
€319
Return
found 3 days ago
Select JetBlue Airways flight, departing Fri, 17 Oct from Boston to San José, returning Sun, 19 Oct, priced at €319 found 3 days ago
Delta
Mon, 18 Aug - Fri, 22 Aug
BOS
Boston
SJO
San José
€334 Return, found 3 days ago
€334
Return
found 3 days ago
Select Delta flight, departing Mon, 18 Aug from Boston to San José, returning Fri, 22 Aug, priced at €334 found 3 days ago
American Airlines
Mon, 18 Aug - Fri, 22 Aug
BOS
Boston
SJO
San José
€361 Return, found 3 days ago
€361
Return
found 3 days ago
Select American Airlines flight, departing Mon, 18 Aug from Boston to San José, returning Fri, 22 Aug, priced at €361 found 3 days ago
United
Mon, 18 Aug - Fri, 22 Aug
BOS
Boston
SJO
San José
€376 Return, found 3 days ago
€376
Return
found 3 days ago
Select United flight, departing Mon, 18 Aug from Boston to San José, returning Fri, 22 Aug, priced at €376 found 3 days ago
Copa
Mon, 18 Aug - Fri, 22 Aug
BOS
Boston
SJO
San José
€378 Return, found 3 days ago
€378
Return
found 3 days ago
Select Copa flight, departing Mon, 18 Aug from Boston to San José, returning Fri, 22 Aug, priced at €378 found 3 days ago
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