Cheap Flights from San Francisco to San Juan Island

View €47 flight on Mon, 13 Oct 2025Opens in a new window

Popular airlines from San Francisco to San Juan Island

  • Aer Lingus

    Aer Lingus

  • Lufthansa

    Lufthansa

  • British Airways

    British Airways

  • Turkish Airlines

    Turkish Airlines

  • American Airlines

    American Airlines

  • Air Serbia

    Air Serbia

  • Swiss International Air Lines

    Swiss International Air Lines

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Cheap flights from San Francisco to San Juan Island (SJC-SEA)

Prices were available within the past 7 days and start at €47 for one-way flights and €119 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 20 Sep - Mon, 22 Sep
SFO
San Francisco
SEA
Seattle
€119 Return, found 14 hours ago
€119
Return
found 14 hours ago
Select Delta flight, departing Sat, 20 Sep from San Francisco to Seattle, returning Mon, 22 Sep, priced at €119 found 14 hours ago
Delta
Sat, 20 Sep - Tue, 23 Sep
SJC
San Jose
SEA
Seattle
€119 Return, found 4 days ago
€119
Return
found 4 days ago
Select Delta flight, departing Sat, 20 Sep from San Jose to Seattle, returning Tue, 23 Sep, priced at €119 found 4 days ago
Delta
Sat, 27 Sep - Mon, 29 Sep
SFO
San Francisco
SEA
Seattle
€145 Return, just found
€145
Return
just found
Select Delta flight, departing Sat, 27 Sep from San Francisco to Seattle, returning Mon, 29 Sep, priced at €145 just found
United
Sat, 30 Aug - Mon, 1 Sep
SFO
San Francisco
SEA
Seattle
€148 Return, found 6 days ago
€148
Return
found 6 days ago
Select United flight, departing Sat, 30 Aug from San Francisco to Seattle, returning Mon, 1 Sep, priced at €148 found 6 days ago
American Airlines
Mon, 12 Jan - Thu, 15 Jan
SFO
San Francisco
SEA
Seattle
€162 Return, found 3 days ago
€162
Return
found 3 days ago
Select American Airlines flight, departing Mon, 12 Jan from San Francisco to Seattle, returning Thu, 15 Jan, priced at €162 found 3 days ago
Hawaiian Airlines
Fri, 15 Aug - Sun, 17 Aug
SJC
San Jose
SEA
Seattle
€1,760 Return, found 5 days ago
€1,760
Return
found 5 days ago
Select Hawaiian Airlines flight, departing Fri, 15 Aug from San Jose to Seattle, returning Sun, 17 Aug, priced at €1,760 found 5 days ago
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