Cheap flights from San José to San Juan Island

View AU$360 flight on Fri, 30 Jan. 2026Opens in a new window

Popular airlines from San José to San Juan Island

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from San José (SJO) to San Juan Island (SEA)

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.

Delta
Wed, 17 Sep. - Mon, 22 Sep.
SJO
San José
SEA
Seattle
AU$634 Return, found 6 days ago
AU$634
Return
found 6 days ago
Select Delta flight, departing Wed, 17 Sep. from San José to Seattle, returning Mon, 22 Sep., priced at AU$634 found 6 days ago
Delta
Wed, 17 Sep. - Mon, 22 Sep.
SJO
San José
SEA
Seattle
AU$643 Return, found 6 days ago
AU$643
Return
found 6 days ago
Select Delta flight, departing Wed, 17 Sep. from San José to Seattle, returning Mon, 22 Sep., priced at AU$643 found 6 days ago
American Airlines
Wed, 17 Sep. - Mon, 22 Sep.
SJO
San José
SEA
Seattle
AU$699 Return, found 6 days ago
AU$699
Return
found 6 days ago
Select American Airlines flight, departing Wed, 17 Sep. from San José to Seattle, returning Mon, 22 Sep., priced at AU$699 found 6 days ago
United
Wed, 17 Sep. - Mon, 22 Sep.
SJO
San José
SEA
Seattle
AU$732 Return, found 6 days ago
AU$732
Return
found 6 days ago
Select United flight, departing Wed, 17 Sep. from San José to Seattle, returning Mon, 22 Sep., priced at AU$732 found 6 days ago
avianca
Wed, 17 Sep. - Mon, 22 Sep.
SJO
San José
SEA
Seattle
AU$799 Return, found 6 days ago
AU$799
Return
found 6 days ago
Select avianca flight, departing Wed, 17 Sep. from San José to Seattle, returning Mon, 22 Sep., priced at AU$799 found 6 days ago
Aeromexico
Wed, 17 Sep. - Mon, 22 Sep.
SJO
San José
SEA
Seattle
AU$1,302 Return, found 6 days ago
AU$1,302
Return
found 6 days ago
Select Aeromexico flight, departing Wed, 17 Sep. from San José to Seattle, returning Mon, 22 Sep., priced at AU$1,302 found 6 days ago
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