Cheap Flights from Incheon to San Juan Island

View €502 flight on Sat, 13 Sep 2025Opens in a new window

Popular airlines from Incheon 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

  • 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 15% 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 Incheon to San Juan Island (SEL-SEA)

Prices were available within the past 7 days and start at €502 for one-way flights and €465 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, 13 Sep - Fri, 26 Sep
ICN
Seoul
SEA
Seattle
€465 Return, found 3 hours ago
€465
Return
found 3 hours ago
Select Hawaiian Airlines flight, departing Sat, 13 Sep from Seoul to Seattle, returning Fri, 26 Sep, priced at €465 found 3 hours ago
Asiana Airlines
Sat, 13 Sep - Fri, 26 Sep
ICN
Seoul
SEA
Seattle
€542 Return, found 3 hours ago
€542
Return
found 3 hours ago
Select Asiana Airlines flight, departing Sat, 13 Sep from Seoul to Seattle, returning Fri, 26 Sep, priced at €542 found 3 hours ago
Delta
Sat, 13 Sep - Fri, 26 Sep
ICN
Seoul
SEA
Seattle
€543 Return, found 3 hours ago
€543
Return
found 3 hours ago
Select Delta flight, departing Sat, 13 Sep from Seoul to Seattle, returning Fri, 26 Sep, priced at €543 found 3 hours ago
Korean Air
Sat, 13 Sep - Fri, 26 Sep
ICN
Seoul
SEA
Seattle
€562 Return, found 3 hours ago
€562
Return
found 3 hours ago
Select Korean Air flight, departing Sat, 13 Sep from Seoul to Seattle, returning Fri, 26 Sep, priced at €562 found 3 hours ago
American Airlines
Sat, 13 Sep - Fri, 26 Sep
ICN
Seoul
SEA
Seattle
€629 Return, found 3 hours ago
€629
Return
found 3 hours ago
Select American Airlines flight, departing Sat, 13 Sep from Seoul to Seattle, returning Fri, 26 Sep, priced at €629 found 3 hours ago
United
Sat, 13 Sep - Fri, 26 Sep
ICN
Seoul
SEA
Seattle
€661 Return, found 3 hours ago
€661
Return
found 3 hours ago
Select United flight, departing Sat, 13 Sep from Seoul to Seattle, returning Fri, 26 Sep, priced at €661 found 3 hours ago
*Available to Expedia members.