Best Flights starting from $454
from$454economy
Seattle (SEA)
Wed, Sep 9
Roundtrip
San Juan (SJU)
Tue, Sep 15
from$454economy
Seattle (SEA)
Thu, Sep 10
Roundtrip
San Juan (SJU)
Wed, Sep 16
from$454economy
Seattle (SEA)
Fri, Sep 11
Roundtrip
San Juan (SJU)
Thu, Sep 17
from$454economy
Seattle (SEA)
Sat, Sep 12
Roundtrip
San Juan (SJU)
Fri, Sep 18
from$474economy
Seattle (SEA)
Tue, Sep 8
Roundtrip
San Juan (SJU)
Mon, Sep 14
from$474economy
Seattle (SEA)
Sun, Sep 13
Roundtrip
San Juan (SJU)
Sat, Sep 19
from$474economy
Seattle (SEA)
Mon, Sep 14
Roundtrip
San Juan (SJU)
Sun, Sep 20
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Other Options for This Route
Other Destinations
Seattle (SEA) to Lincoln (LNK) in September from $138
From $138
Seattle (SEA) to Sacramento (SMF) in September from $249
From $249
Seattle (SEA) to Houston (IAH) in September from $285
From $285
Seattle (SEA) to Lincoln (LNK) in September from $312
From $312
Seattle (SEA) to Glasgow (Any) in September from $360
From $360
Seattle (SEA) to Greensboro / High Point (GSO) in September from $490
From $490
Flights from Other Cities
Miami (MIA) to San Juan (SJU) in September from $175
From $175
Rochester (ROC) to San Juan (SJU) in September from $210
From $210
Atlanta (ATL) to San Juan (SJU) in September from $222
From $222
Tallahassee (TLH) to San Juan (SJU) in September from $436
From $436
New York (JFK) to San Juan (SJU) in October from $74
From $74
Newark (EWR) to San Juan (SJU) in October from $75
From $75