Cheap flights from Boston to South Pacific Coast

View AU$492 flight on Tue, 5 Aug. 2025Opens in a new window

Popular airlines from Boston to South Pacific Coast

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Boston (BOS) to South Pacific Coast (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.

JetBlue Airways
Tue, 5 Aug. - Tue, 26 Aug.
BOS
Boston
SJO
San José
AU$822 Return, found 1 day ago
AU$822
Return
found 1 day ago
Select JetBlue Airways flight, departing Tue, 5 Aug. from Boston to San José, returning Tue, 26 Aug., priced at AU$822 found 1 day ago
JetBlue Airways
Tue, 5 Aug. - Tue, 26 Aug.
BOS
Boston
SJO
San José
AU$831 Return, found 1 day ago
AU$831
Return
found 1 day ago
Select JetBlue Airways flight, departing Tue, 5 Aug. from Boston to San José, returning Tue, 26 Aug., priced at AU$831 found 1 day ago
JetBlue Airways
Tue, 5 Aug. - Tue, 26 Aug.
BOS
Boston
SJO
San José
AU$833 Return, found 1 day ago
AU$833
Return
found 1 day ago
Select JetBlue Airways flight, departing Tue, 5 Aug. from Boston to San José, returning Tue, 26 Aug., priced at AU$833 found 1 day ago
United
Tue, 5 Aug. - Tue, 26 Aug.
BOS
Boston
SJO
San José
AU$885 Return, found 1 day ago
AU$885
Return
found 1 day ago
Select United flight, departing Tue, 5 Aug. from Boston to San José, returning Tue, 26 Aug., priced at AU$885 found 1 day ago
Copa
Tue, 5 Aug. - Tue, 26 Aug.
BOS
Boston
SJO
San José
AU$985 Return, found 1 day ago
AU$985
Return
found 1 day ago
Select Copa flight, departing Tue, 5 Aug. from Boston to San José, returning Tue, 26 Aug., priced at AU$985 found 1 day ago
American Airlines
Tue, 5 Aug. - Tue, 26 Aug.
BOS
Boston
SJO
San José
AU$1,002 Return, found 1 day ago
AU$1,002
Return
found 1 day ago
Select American Airlines flight, departing Tue, 5 Aug. from Boston to San José, returning Tue, 26 Aug., priced at AU$1,002 found 1 day ago
*Available to Expedia members.