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

Monday, October 27th, 2025

9 round-trip options

Returning

Sat, Nov 1, 2025•5 Day Trip

$4,588 USD

Google Flights

Returning

Sun, Nov 2, 2025•6 Day Trip

$6,160 USD

Google Flights

Returning

Mon, Nov 3, 2025•7 Day Trip

$4,588 USD

Google Flights

Returning

Tue, Nov 4, 2025•8 Day Trip

$4,588 USD

Google Flights

Returning

Wed, Nov 5, 2025•9 Day Trip

$6,160 USD

Google Flights

Returning

Thu, Nov 6, 2025•10 Day Trip

$4,588 USD

Google Flights

Returning

Sat, Nov 8, 2025•12 Day Trip

$4,588 USD

Google Flights

Returning

Sun, Nov 9, 2025•13 Day Trip

$4,588 USD

Google Flights

Returning

Mon, Nov 10, 2025•14 Day Trip

$4,588 USD

Google Flights