Cheap flights from Seattle to Puerto Rico Island

View AU$355 flight on Fri, 6 Jun. 2025Opens in a new window

Popular airlines from Seattle to Puerto Rico Island

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Seattle (SEA) 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.

United
Fri., 6 Jun. - Sat., 14 Jun.
SEA
Seattle
SJU
San Juan
AU$763 Return, found 5 days ago
AU$763
Return
found 5 days ago
Select United flight, departing Fri., 6 Jun. from Seattle to San Juan, returning Sat., 14 Jun., priced at AU$763 found 5 days ago
United
Fri., 4 Jul. - Fri., 11 Jul.
SEA
Seattle
SJU
San Juan
AU$770 Return, found 21 hours ago
AU$770
Return
found 21 hours ago
Select United flight, departing Fri., 4 Jul. from Seattle to San Juan, returning Fri., 11 Jul., priced at AU$770 found 21 hours ago
United
Sat., 28 Jun. - Sat., 5 Jul.
SEA
Seattle
SJU
San Juan
AU$772 Return, found 6 days ago
AU$772
Return
found 6 days ago
Select United flight, departing Sat., 28 Jun. from Seattle to San Juan, returning Sat., 5 Jul., priced at AU$772 found 6 days ago
American Airlines
Fri., 6 Jun. - Sat., 14 Jun.
SEA
Seattle
SJU
San Juan
AU$799 Return, found 5 days ago
AU$799
Return
found 5 days ago
Select American Airlines flight, departing Fri., 6 Jun. from Seattle to San Juan, returning Sat., 14 Jun., priced at AU$799 found 5 days ago
United
Fri., 4 Jul. - Fri., 11 Jul.
SEA
Seattle
SJU
San Juan
AU$825 Return, found 21 hours ago
AU$825
Return
found 21 hours ago
Select United flight, departing Fri., 4 Jul. from Seattle to San Juan, returning Fri., 11 Jul., priced at AU$825 found 21 hours ago
United
Sat., 28 Jun. - Sat., 5 Jul.
SEA
Seattle
SJU
San Juan
AU$842 Return, found 6 days ago
AU$842
Return
found 6 days ago
Select United flight, departing Sat., 28 Jun. from Seattle to San Juan, returning Sat., 5 Jul., priced at AU$842 found 6 days ago
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