Popular airlines from Seattle to Puerto Rico Island
JetBlue Airways
United
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Southwest Airlines
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Cheap Flights from Seattle to Puerto Rico Island (SEA-SJU)
Prices were available within the past 7 days and start at $142 for one-way flights and $301 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Mon, May 19 - Thu, May 29
SEA
Seattle
SJU
San Juan
$301 Roundtrip, found 3 hours ago
$301
Roundtrip
found 3 hours ago
Sun, Oct 26 - Sat, Nov 1
SEA
Seattle
SJU
San Juan
$357 Roundtrip, found 8 hours ago
$357
Roundtrip
found 8 hours ago
Wed, Oct 1 - Wed, Oct 8
SEA
Seattle
SJU
San Juan
$357 Roundtrip, found 12 hours ago
$357
Roundtrip
found 12 hours ago
Tue, May 27 - Wed, May 28
SEA
Seattle
SJU
San Juan
$357 Roundtrip, just found
$357
Roundtrip
just found
Tue, May 27 - Thu, Jun 12
SEA
Seattle
SJU
San Juan
$358 Roundtrip, found 5 hours ago
$358
Roundtrip
found 5 hours ago
Tue, May 27 - Wed, May 28
SEA
Seattle
SJU
San Juan
$371 Roundtrip, just found
$371
Roundtrip
just found
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