Cheap flights from Arlington to San Juan

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

Popular airlines from Arlington to San Juan

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Cheap Flights from Arlington (WAS) to San Juan (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 12 hours ago
AU$363
Return
found 12 hours ago
Select Delta flight, departing Sun, 21 Sep. from Washington to San Juan, returning Thu, 25 Sep., priced at AU$363 found 12 hours ago
United
Sun, 21 Sep. - Thu, 25 Sep.
IAD
Washington
SJU
San Juan
AU$395 Return, found 12 hours ago
AU$395
Return
found 12 hours ago
Select United flight, departing Sun, 21 Sep. from Washington to San Juan, returning Thu, 25 Sep., priced at AU$395 found 12 hours ago
Delta
Sun, 21 Sep. - Thu, 25 Sep.
IAD
Washington
SJU
San Juan
AU$417 Return, found 12 hours ago
AU$417
Return
found 12 hours ago
Select Delta flight, departing Sun, 21 Sep. from Washington to San Juan, returning Thu, 25 Sep., priced at AU$417 found 12 hours ago
Delta
Sun, 21 Sep. - Thu, 25 Sep.
IAD
Washington
SJU
San Juan
AU$433 Return, found 12 hours ago
AU$433
Return
found 12 hours ago
Select Delta flight, departing Sun, 21 Sep. from Washington to San Juan, returning Thu, 25 Sep., priced at AU$433 found 12 hours ago
Delta
Sun, 21 Sep. - Thu, 25 Sep.
IAD
Washington
SJU
San Juan
AU$440 Return, found 12 hours ago
AU$440
Return
found 12 hours ago
Select Delta flight, departing Sun, 21 Sep. from Washington to San Juan, returning Thu, 25 Sep., priced at AU$440 found 12 hours ago
American Airlines
Mon, 11 Aug. - Thu, 28 Aug.
DCA
Washington
SJU
San Juan
AU$562 Return, found 3 days ago
AU$562
Return
found 3 days ago
Select American Airlines flight, departing Mon, 11 Aug. from Washington to San Juan, returning Thu, 28 Aug., priced at AU$562 found 3 days ago

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

September is typically the cheapest month to fly

From AU$207 - AU$415 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.