Flights to Puerto Rico Island from Washington - ￥11,920

View ￥11,920 flight on Mon, Aug 18, 2025Opens in a new window

Popular airlines from Washington to Puerto Rico Island

  • American Airlines

    American Airlines

  • United

    United

  • Delta

    Delta

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Cheap Flights from Washington to Puerto Rico Island (WAS-SJU)

Prices were available within the past 7 days and start at ￥11,920 for one-way flights and ￥27,540 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Aug 18 - Fri, Aug 22
DCA
Washington
SJU
San Juan
￥27,540 Roundtrip, found 2 days ago
￥27,540
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Aug 18 from Washington to San Juan, returning Fri, Aug 22, priced at ￥27,540 found 2 days ago
Delta
Mon, Aug 18 - Fri, Aug 22
DCA
Washington
SJU
San Juan
￥31,140 Roundtrip, found 2 days ago
￥31,140
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Aug 18 from Washington to San Juan, returning Fri, Aug 22, priced at ￥31,140 found 2 days ago
American Airlines
Mon, Aug 18 - Thu, Aug 21
BWI
Baltimore
SJU
San Juan
￥32,540 Roundtrip, found 2 days ago
￥32,540
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Aug 18 from Baltimore to San Juan, returning Thu, Aug 21, priced at ￥32,540 found 2 days ago
American Airlines
Mon, Aug 18 - Thu, Aug 21
DCA
Washington
SJU
San Juan
￥32,540 Roundtrip, found 2 days ago
￥32,540
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Aug 18 from Washington to San Juan, returning Thu, Aug 21, priced at ￥32,540 found 2 days ago
American Airlines
Mon, Aug 18 - Fri, Aug 22
DCA
Washington
SJU
San Juan
￥32,640 Roundtrip, found 2 days ago
￥32,640
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Aug 18 from Washington to San Juan, returning Fri, Aug 22, priced at ￥32,640 found 2 days ago
United
Mon, Aug 18 - Fri, Aug 22
DCA
Washington
SJU
San Juan
￥34,040 Roundtrip, found 2 days ago
￥34,040
Roundtrip
found 2 days ago
Select United flight, departing Mon, Aug 18 from Washington to San Juan, returning Fri, Aug 22, priced at ￥34,040 found 2 days ago

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

May is typically the cheapest month to fly

From ￥13,766 - ￥48,192 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.