Cheap flights from Baltimore to Puerto Rico Island

View AU$165 flight on Mon, 1 Sep. 2025Opens in a new window

Popular airlines from Baltimore to Puerto Rico Island

  • American Airlines

    American Airlines

  • Delta

    Delta

  • 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 Baltimore (WAS) to Puerto Rico Island (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
Mon, 1 Sep. - Fri, 10 Oct.
DCA
Washington
SJU
San Juan
AU$381 Return, found 1 day ago
AU$381
Return
found 1 day ago
Select Delta flight, departing Mon, 1 Sep. from Washington to San Juan, returning Fri, 10 Oct., priced at AU$381 found 1 day ago
Delta
Mon, 1 Sep. - Fri, 10 Oct.
DCA
Washington
SJU
San Juan
AU$412 Return, found 1 day ago
AU$412
Return
found 1 day ago
Select Delta flight, departing Mon, 1 Sep. from Washington to San Juan, returning Fri, 10 Oct., priced at AU$412 found 1 day ago
United
Mon, 1 Sep. - Fri, 10 Oct.
DCA
Washington
SJU
San Juan
AU$465 Return, found 1 day ago
AU$465
Return
found 1 day ago
Select United flight, departing Mon, 1 Sep. from Washington to San Juan, returning Fri, 10 Oct., priced at AU$465 found 1 day ago
Delta
Mon, 1 Sep. - Fri, 10 Oct.
DCA
Washington
SJU
San Juan
AU$477 Return, found 1 day ago
AU$477
Return
found 1 day ago
Select Delta flight, departing Mon, 1 Sep. from Washington to San Juan, returning Fri, 10 Oct., priced at AU$477 found 1 day ago
Delta
Mon, 1 Sep. - Fri, 10 Oct.
BWI
Baltimore
SJU
San Juan
AU$480 Return, found 1 day ago
AU$480
Return
found 1 day ago
Select Delta flight, departing Mon, 1 Sep. from Baltimore to San Juan, returning Fri, 10 Oct., priced at AU$480 found 1 day ago
American Airlines
Mon, 11 Aug. - Thu, 28 Aug.
DCA
Washington
SJU
San Juan
AU$562 Return, found 5 days ago
AU$562
Return
found 5 days ago
Select American Airlines flight, departing Mon, 11 Aug. from Washington to San Juan, returning Thu, 28 Aug., priced at AU$562 found 5 days ago

Find the cheapest month to fly from Baltimore (BWI) to San Juan (SJU)

May is typically the cheapest month to fly

From AU$147 - AU$712 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.