Cheap flights from Seattle to Seongmodo Island from CA $608

View CA $608 flight on Thu, Aug. 28, 2025Opens in a new window

Popular airlines from Seattle to Seongmodo Island

  • Air Canada

    Air Canada

  • Korean Air

    Korean Air

  • EVA Airways

    EVA Airways

  • Asiana Airlines

    Asiana Airlines

  • Turkish Airlines

    Turkish Airlines

  • Alaska Airlines

    Alaska Airlines

  • Cathay Pacific

    Cathay Pacific

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Cheap flights from Seattle (SEA) to Seongmodo Island (SEL)

Prices were available within the past 7 days and start at CA $608 for one-way flights and CA $1,089 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Thu, Sep. 4 - Wed, Sep. 17
SEA
Seattle
ICN
Seoul
CA $1,089 Roundtrip, found 2 hours ago
CA $1,089
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Thu, Sep. 4 from Seattle to Seoul, returning Wed, Sep. 17, priced at CA $1,089 found 2 hours ago
Alaska Airlines
Thu, Oct. 16 - Mon, Nov. 3
SEA
Seattle
ICN
Seoul
CA $1,207 Roundtrip, just found
CA $1,207
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Oct. 16 from Seattle to Seoul, returning Mon, Nov. 3, priced at CA $1,207 just found
Delta
Thu, Oct. 16 - Mon, Nov. 3
SEA
Seattle
ICN
Seoul
CA $1,207 Roundtrip, just found
CA $1,207
Roundtrip
just found
Select Delta flight, departing Thu, Oct. 16 from Seattle to Seoul, returning Mon, Nov. 3, priced at CA $1,207 just found
Korean Air
Thu, Oct. 16 - Mon, Nov. 3
SEA
Seattle
ICN
Seoul
CA $1,207 Roundtrip, just found
CA $1,207
Roundtrip
just found
Select Korean Air flight, departing Thu, Oct. 16 from Seattle to Seoul, returning Mon, Nov. 3, priced at CA $1,207 just found
Asiana Airlines
Sat, Feb. 28 - Thu, Mar. 12
SEA
Seattle
ICN
Seoul
CA $1,209 Roundtrip, found 9 hours ago
CA $1,209
Roundtrip
found 9 hours ago
Select Asiana Airlines flight, departing Sat, Feb. 28 from Seattle to Seoul, returning Thu, Mar. 12, priced at CA $1,209 found 9 hours ago
China Airlines
Mon, Aug. 25 - Tue, Sep. 2
SEA
Seattle
ICN
Seoul
CA $1,334 Roundtrip, just found
CA $1,334
Roundtrip
just found
Select China Airlines flight, departing Mon, Aug. 25 from Seattle to Seoul, returning Tue, Sep. 2, priced at CA $1,334 just found

Find the cheapest month to fly from Seattle (SEA) to Seoul (ICN)

November is typically the cheapest month to fly

From CA $1,107 - CA $1,470 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.