Flights to Roosevelt Roads from Seattle - ￥28,770

View ￥28,770 flight on Fri, Sep 26, 2025Opens in a new window

Popular airlines from Seattle to Roosevelt Roads

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Cheap Flights from Seattle to Roosevelt Roads (SEA-SJU)

Prices were available within the past 7 days and start at ￥28,770 for one-way flights and ￥55,940 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Sep 26 - Mon, Sep 29
SEA
Seattle
SJU
San Juan
￥55,940 Roundtrip, found 1 hour ago
￥55,940
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Fri, Sep 26 from Seattle to San Juan, returning Mon, Sep 29, priced at ￥55,940 found 1 hour ago
Delta
Sat, Sep 27 - Wed, Oct 1
SEA
Seattle
SJU
San Juan
￥62,940 Roundtrip, found 1 hour ago
￥62,940
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Sep 27 from Seattle to San Juan, returning Wed, Oct 1, priced at ￥62,940 found 1 hour ago
American Airlines
Fri, Sep 26 - Mon, Sep 29
SEA
Seattle
SJU
San Juan
￥63,540 Roundtrip, found 1 hour ago
￥63,540
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Fri, Sep 26 from Seattle to San Juan, returning Mon, Sep 29, priced at ￥63,540 found 1 hour ago
JetBlue Airways
Tue, Sep 23 - Fri, Sep 26
SEA
Seattle
SJU
San Juan
￥67,840 Roundtrip, found 1 hour ago
￥67,840
Roundtrip
found 1 hour ago
Select JetBlue Airways flight, departing Tue, Sep 23 from Seattle to San Juan, returning Fri, Sep 26, priced at ￥67,840 found 1 hour ago
United
Fri, Sep 26 - Sat, Sep 27
SEA
Seattle
SJU
San Juan
￥69,910 Roundtrip, found 1 hour ago
￥69,910
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Sep 26 from Seattle to San Juan, returning Sat, Sep 27, priced at ￥69,910 found 1 hour ago
Alaska Airlines
Fri, Sep 26 - Mon, Sep 29
SEA
Seattle
SJU
San Juan
￥81,040 Roundtrip, found 1 hour ago
￥81,040
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Fri, Sep 26 from Seattle to San Juan, returning Mon, Sep 29, priced at ￥81,040 found 1 hour ago

Find the cheapest month to fly from Seattle (SEA) to San Juan (SJU)

October is typically the cheapest month to fly

From ￥33,329 - ￥62,447 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.