Cheap flights from Washington to Isla Caja de Muertos

View AU$166 flight on Thu, 13 Nov. 2025Opens in a new window

Popular airlines from Washington to Isla Caja de Muertos

  • 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 Washington (WAS) 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
Sun, 21 Sep. - Thu, 25 Sep.
IAD
Washington
SJU
San Juan
AU$363 Return, found 1 day ago
AU$363
Return
found 1 day ago
Select Delta flight, departing Sun, 21 Sep. from Washington to San Juan, returning Thu, 25 Sep., priced at AU$363 found 1 day ago
United
Sun, 21 Sep. - Thu, 25 Sep.
IAD
Washington
SJU
San Juan
AU$395 Return, found 1 day ago
AU$395
Return
found 1 day ago
Select United flight, departing Sun, 21 Sep. from Washington to San Juan, returning Thu, 25 Sep., priced at AU$395 found 1 day ago
Delta
Sun, 21 Sep. - Thu, 25 Sep.
IAD
Washington
SJU
San Juan
AU$417 Return, found 1 day ago
AU$417
Return
found 1 day ago
Select Delta flight, departing Sun, 21 Sep. from Washington to San Juan, returning Thu, 25 Sep., priced at AU$417 found 1 day ago
Delta
Sun, 21 Sep. - Thu, 25 Sep.
IAD
Washington
SJU
San Juan
AU$433 Return, found 1 day ago
AU$433
Return
found 1 day ago
Select Delta flight, departing Sun, 21 Sep. from Washington to San Juan, returning Thu, 25 Sep., priced at AU$433 found 1 day ago
Delta
Sun, 21 Sep. - Thu, 25 Sep.
IAD
Washington
SJU
San Juan
AU$440 Return, found 1 day ago
AU$440
Return
found 1 day ago
Select Delta flight, departing Sun, 21 Sep. from Washington to San Juan, returning Thu, 25 Sep., priced at AU$440 found 1 day ago
American Airlines
Mon, 11 Aug. - Thu, 28 Aug.
DCA
Washington
SJU
San Juan
AU$562 Return, found 4 days ago
AU$562
Return
found 4 days ago
Select American Airlines flight, departing Mon, 11 Aug. from Washington to San Juan, returning Thu, 28 Aug., priced at AU$562 found 4 days ago

Find the cheapest month to fly from Washington (WAS) to San Juan (SJU)

May is typically the cheapest month to fly

From AU$147 - AU$536 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.