Flights from South Korea starting at $ 472*

Promotion Code

United business class fares from South Korea

$

Seoul (ICN)to

San Francisco (SFO)
02/25/26 - 03/01/26

Roundtrip

Business

from
$ 3,334
Viewed: 10 hours ago

Seoul (ICN)to

Los Angeles (LAX)
12/30/25 - 01/14/26

Roundtrip

Business

from
$ 3,301
Viewed: 10 hours ago

Seoul (ICN)to

Newark/New York (EWR)
11/04/26 - 11/10/26

Roundtrip

Business

from
$ 3,507
Viewed: 13 minutes ago

Seoul (ICN)to

Denver (DEN)
10/21/26 - 10/24/26

Roundtrip

Business

from
$ 7,411
Viewed: 1 day ago

Seoul (ICN)to

Washington, D.C. (IAD)
02/19/26 - 02/28/26

Roundtrip

Business

from
$ 3,676
Viewed: 5 hours ago

Seoul (ICN)to

Boston (BOS)
03/07/26 - 03/15/26

Roundtrip

Business

from
$ 4,026
Viewed: 11 hours ago

Seoul (ICN)to

Houston (IAH)
01/29/26 - 02/04/26

Roundtrip

Business

from
$ 4,793
Viewed: 23 hours ago

Seoul (ICN)to

Las Vegas (LAS)
12/31/25 - 01/12/26

Roundtrip

Business

from
$ 3,374
Viewed: 22 hours ago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

Airports tips for your flight from South Korea

United offers flights from South Korea to over 340 destinations worldwide.

Whether you visit South Korea to see Gyeonghoeru Palace, conduct business in Seoul or go to a K-Pop concert at Seoul Olympic Stadium, travel to your next destination with United. United flights from South Korea depart from Incheon International Airport (ICN) in Seoul.