Cheap flights from Boston to Isla Caja de Muertos

View AU$183 flight on Fri, 17 Oct. 2025Opens in a new window

Popular airlines from Boston to Isla Caja de Muertos

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • JetBlue Airways

    JetBlue Airways

  • 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 Isla Caja de Muertos (SJU)

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.

Delta
Fri, 17 Oct. - Fri, 31 Oct.
PVD
Providence
SJU
San Juan
AU$352 Return, found 6 days ago
AU$352
Return
found 6 days ago
Select Delta flight, departing Fri, 17 Oct. from Providence to San Juan, returning Fri, 31 Oct., priced at AU$352 found 6 days ago
Delta
Wed, 21 Jan. - Mon, 26 Jan.
BOS
Boston
SJU
San Juan
AU$413 Return, found 1 day ago
AU$413
Return
found 1 day ago
Select Delta flight, departing Wed, 21 Jan. from Boston to San Juan, returning Mon, 26 Jan., priced at AU$413 found 1 day ago
Delta
Fri, 17 Oct. - Fri, 31 Oct.
PVD
Providence
SJU
San Juan
AU$426 Return, found 6 days ago
AU$426
Return
found 6 days ago
Select Delta flight, departing Fri, 17 Oct. from Providence to San Juan, returning Fri, 31 Oct., priced at AU$426 found 6 days ago
JetBlue Airways
Thu, 22 Jan. - Fri, 23 Jan.
BOS
Boston
SJU
San Juan
AU$465 Return, found 1 day ago
AU$465
Return
found 1 day ago
Select JetBlue Airways flight, departing Thu, 22 Jan. from Boston to San Juan, returning Fri, 23 Jan., priced at AU$465 found 1 day ago
American Airlines
Wed, 21 Jan. - Mon, 26 Jan.
BOS
Boston
SJU
San Juan
AU$481 Return, found 1 day ago
AU$481
Return
found 1 day ago
Select American Airlines flight, departing Wed, 21 Jan. from Boston to San Juan, returning Mon, 26 Jan., priced at AU$481 found 1 day ago
United
Wed, 21 Jan. - Mon, 26 Jan.
BOS
Boston
SJU
San Juan
AU$488 Return, found 1 day ago
AU$488
Return
found 1 day ago
Select United flight, departing Wed, 21 Jan. from Boston to San Juan, returning Mon, 26 Jan., priced at AU$488 found 1 day ago

Find the cheapest month to fly from Boston (BOS) to San Juan (SJU)

January is typically the cheapest month to fly

From AU$153 - AU$525 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.