Seoul (ICN) to Seattle / Tacoma (SEA) flight deal from $2688 USD in business class

CIChina Airlines

Round Trip•Business Class

ICN

Incheon International Airport

Seoul, South Korea

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$3,431 USD

-22%$2,688 USD

Verified Nov 30, 2025 at 7:17 AM

December 2025

Today

Mon

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Sun

1$3,943 2$2,688 3$3,409 4$3,354 5 6$3,354 7$3,354 8$3,354 9$3,354 10 11$3,354 12 13 14 15$3,354 16$2,688 17 18$3,354 19 20$3,413 21$3,413 22$3,413 23$3,413 24 25$3,413 26 27$3,850 28$4,487 29$3,850 30 31 1$4,487 2 3 4

Limited Availability

12% of dates checked are available within 10% of the lowest price

Sunday, December 28th, 2025

7 round-trip options

Returning

Fri, Jan 2, 2026•5 Day Trip

$4,924 USD

Google Flights

Returning

Sun, Jan 4, 2026•7 Day Trip

$4,487 USD

Google Flights

Returning

Mon, Jan 5, 2026•8 Day Trip

$4,487 USD

Google Flights

Returning

Tue, Jan 6, 2026•9 Day Trip

$4,487 USD

Google Flights

Returning

Wed, Jan 7, 2026•10 Day Trip

$4,487 USD

Google Flights

Returning

Fri, Jan 9, 2026•12 Day Trip

$4,487 USD

Google Flights

Returning

Sun, Jan 11, 2026•14 Day Trip

$4,487 USD

Google Flights