Seattle / Tacoma (SEA) to Seoul (ICN) cheap flight deal from $4588 USD in business class

CIChina Airlines

Round Trip•Business Class

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

ICN

Incheon International Airport

Seoul, South Korea

$5,653 USD

-19%$4,588 USD

Verified Sep 20, 2025 at 12:37 AM

October 2025

Today

Mon

Tue

Wed

Thu

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Sun

29$4,588 30$6,544 1$4,588 2 3$4,588 4 5$6,544 6$4,588 7 8 9 10$7,120 11 12$7,120 13$6,544 14$4,588 15$4,588 16 17$4,588 18 19$4,588 20$4,588 21$4,588 22$4,588 23 24$4,588 25 26$4,588 27$4,588 28$4,588 29$4,588 30 31$4,588 1 2

Fair Availability

38% of dates checked are available within 10% of the lowest price

Friday, October 17th, 2025

9 round-trip options

Returning

Wed, Oct 22, 2025•5 Day Trip

$6,160 USD

Google Flights

Returning

Thu, Oct 23, 2025•6 Day Trip

$4,588 USD

Google Flights

Returning

Fri, Oct 24, 2025•7 Day Trip

$4,588 USD

Google Flights

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Sat, Oct 25, 2025•8 Day Trip

$4,588 USD

Google Flights

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Mon, Oct 27, 2025•10 Day Trip

$6,160 USD

Google Flights

Returning

Tue, Oct 28, 2025•11 Day Trip

$4,588 USD

Google Flights

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Wed, Oct 29, 2025•12 Day Trip

$4,588 USD

Google Flights

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Thu, Oct 30, 2025•13 Day Trip

$4,588 USD

Google Flights

Returning

Fri, Oct 31, 2025•14 Day Trip

$14,651 USD

Google Flights