Flights to Puerto Rico Island from Seattle -

Popular airlines from Seattle to Puerto Rico Island

  • Peach

    Peach

  • Skymark Airlines

    Skymark Airlines

  • All Nippon Airways

    All Nippon Airways

  • Japan Airlines

    Japan Airlines

  • Jetstar Japan

    Jetstar Japan

  • Solaseed Air

    Solaseed Air

  • STARFLYER

    STARFLYER

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Seattle to Puerto Rico Island (SEA-SJU)

Prices were available within the past 7 days and start at for one-way flights and ￥96,960 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Aug 8 - Wed, Aug 13
SEA
Seattle
SJU
San Juan
￥96,960 Roundtrip, found 6 days ago
￥96,960
Roundtrip
found 6 days ago
Select United flight, departing Fri, Aug 8 from Seattle to San Juan, returning Wed, Aug 13, priced at ￥96,960 found 6 days ago
American Airlines
Fri, Aug 8 - Wed, Aug 13
SEA
Seattle
SJU
San Juan
￥98,560 Roundtrip, found 6 days ago
￥98,560
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Aug 8 from Seattle to San Juan, returning Wed, Aug 13, priced at ￥98,560 found 6 days ago
United
Fri, Aug 8 - Wed, Aug 13
SEA
Seattle
SJU
San Juan
￥102,360 Roundtrip, found 6 days ago
￥102,360
Roundtrip
found 6 days ago
Select United flight, departing Fri, Aug 8 from Seattle to San Juan, returning Wed, Aug 13, priced at ￥102,360 found 6 days ago
United
Fri, Aug 8 - Wed, Aug 13
SEA
Seattle
SJU
San Juan
￥104,260 Roundtrip, found 6 days ago
￥104,260
Roundtrip
found 6 days ago
Select United flight, departing Fri, Aug 8 from Seattle to San Juan, returning Wed, Aug 13, priced at ￥104,260 found 6 days ago
American Airlines
Fri, Aug 8 - Wed, Aug 13
SEA
Seattle
SJU
San Juan
￥104,860 Roundtrip, found 6 days ago
￥104,860
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Aug 8 from Seattle to San Juan, returning Wed, Aug 13, priced at ￥104,860 found 6 days ago
United
Fri, Aug 8 - Wed, Aug 13
SEA
Seattle
SJU
San Juan
￥106,460 Roundtrip, found 6 days ago
￥106,460
Roundtrip
found 6 days ago
Select United flight, departing Fri, Aug 8 from Seattle to San Juan, returning Wed, Aug 13, priced at ￥106,460 found 6 days ago
American Airlines
Fri, Aug 8 - Wed, Aug 13
SEA
Seattle
SJU
San Juan
￥107,560 Roundtrip, found 6 days ago
￥107,560
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Aug 8 from Seattle to San Juan, returning Wed, Aug 13, priced at ￥107,560 found 6 days ago
United
Fri, Aug 8 - Wed, Aug 13
SEA
Seattle
SJU
San Juan
￥109,660 Roundtrip, found 6 days ago
￥109,660
Roundtrip
found 6 days ago
Select United flight, departing Fri, Aug 8 from Seattle to San Juan, returning Wed, Aug 13, priced at ￥109,660 found 6 days ago
United
Fri, Aug 8 - Wed, Aug 13
SEA
Seattle
SJU
San Juan
￥109,860 Roundtrip, found 6 days ago
￥109,860
Roundtrip
found 6 days ago
Select United flight, departing Fri, Aug 8 from Seattle to San Juan, returning Wed, Aug 13, priced at ￥109,860 found 6 days 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.