Cheap flights from Boston to Rio Celeste

View AU$320 flight on Thu, 28 Aug. 2025Opens in a new window

Popular airlines from Boston to Rio Celeste

  • American Airlines

    American Airlines

  • Avianca

    Avianca

  • Copa

    Copa

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Cheap Flights from Boston (BOS) to Rio Celeste (SJO)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, 29 Aug. - Mon, 1 Sep.
BOS
Boston
SJO
San José
AU$775 Return, found 1 day ago
AU$775
Return
found 1 day ago
Select American Airlines flight, departing Fri, 29 Aug. from Boston to San José, returning Mon, 1 Sep., priced at AU$775 found 1 day ago
American Airlines
Thu, 28 Aug. - Mon, 1 Sep.
BOS
Boston
SJO
San José
AU$804 Return, found 1 day ago
AU$804
Return
found 1 day ago
Select American Airlines flight, departing Thu, 28 Aug. from Boston to San José, returning Mon, 1 Sep., priced at AU$804 found 1 day ago
JetBlue Airways
Tue, 5 Aug. - Tue, 26 Aug.
BOS
Boston
SJO
San José
AU$822 Return, found 4 days ago
AU$822
Return
found 4 days ago
Select JetBlue Airways flight, departing Tue, 5 Aug. from Boston to San José, returning Tue, 26 Aug., priced at AU$822 found 4 days ago
Copa
Thu, 28 Aug. - Mon, 1 Sep.
BOS
Boston
SJO
San José
AU$831 Return, found 1 day ago
AU$831
Return
found 1 day ago
Select Copa flight, departing Thu, 28 Aug. from Boston to San José, returning Mon, 1 Sep., priced at AU$831 found 1 day ago
Delta
Fri, 29 Aug. - Mon, 1 Sep.
BOS
Boston
SJO
San José
AU$873 Return, found 1 day ago
AU$873
Return
found 1 day ago
Select Delta flight, departing Fri, 29 Aug. from Boston to San José, returning Mon, 1 Sep., priced at AU$873 found 1 day ago
United
Thu, 28 Aug. - Mon, 1 Sep.
BOS
Boston
SJO
San José
AU$884 Return, found 1 day ago
AU$884
Return
found 1 day ago
Select United flight, departing Thu, 28 Aug. from Boston to San José, returning Mon, 1 Sep., priced at AU$884 found 1 day ago

Find the cheapest month to fly from Boston (BOS) to San José (SJO)

February is typically the cheapest month to fly

From AU$363 - AU$831 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.