฿20,010 Cheap United flights from San Francisco to Seoul (SFO→ICN)

View ฿20,010 flight on Thu, 12 Feb 2026Opens in a new window

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United flights from San Francisco to Seoul (SFO→ICN)

Prices were available within the past 7 days and start at ฿20,010 for one-way flights and ฿20,900 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, 30 Mar - Fri, 17 Apr
SFO
San Francisco
ICN
Seoul
฿20,900 Return, found 2 days ago
฿20,900
Return
found 2 days ago
Select United flight, departing Mon, 30 Mar from San Francisco to Seoul, returning Fri, 17 Apr, priced at ฿20,900 found 2 days ago
United
Sun, 29 Mar - Thu, 2 Apr
SFO
San Francisco
ICN
Seoul
฿20,940 Return, found 5 days ago
฿20,940
Return
found 5 days ago
Select United flight, departing Sun, 29 Mar from San Francisco to Seoul, returning Thu, 2 Apr, priced at ฿20,940 found 5 days ago
United
Wed, 8 Apr - Wed, 15 Apr
SFO
San Francisco
ICN
Seoul
฿25,640 Return, found 5 hours ago
฿25,640
Return
found 5 hours ago
Select United flight, departing Wed, 8 Apr from San Francisco to Seoul, returning Wed, 15 Apr, priced at ฿25,640 found 5 hours ago
United
Sun, 1 Feb - Thu, 12 Feb
SFO
San Francisco
ICN
Seoul
฿25,680 Return, found 6 days ago
฿25,680
Return
found 6 days ago
Select United flight, departing Sun, 1 Feb from San Francisco to Seoul, returning Thu, 12 Feb, priced at ฿25,680 found 6 days ago

Find the cheapest month to fly from San Francisco (SFO) to Seoul (ICN)

May is typically the cheapest month to fly

From ฿20,217 - ฿35,790 per traveller.

Alternative airports near Seoul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Incheon Intl. ICN. Cheapest option available. Average driving time to city centre is 47 minutes. Flights from ฿20,900
ICN
Incheon Intl.
Cheapest
Average driving time to city centre47 min
Flights from ฿20,900
Flight from San Francisco to Seoul route information
Origin airport
San Francisco Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, Delta, EVA Airways, Korean Air, Philippine Airlines, Turkish Airlines, United, Vietnam Airlines, WestJet
Popular airline
Korean Air
Distance
9032 km
Average flight time
29 hours 55 mins

Frequently asked questions

How much is a United Airlines flight from San Francisco Intl. Airport (SFO) to Incheon Intl. Airport (ICN)?
Set the "Price (lowest to highest)" filter on Expedia to look for cheap United Airlines return flights from ฿20,900 from SFO to ICN. Affordable one-way options from ฿20,010 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SFO to ICN with United Airlines?
January is one of the most affordable months to travel to Seoul with United Airlines. You could also find fantastic deals on return and one-way tickets in February.
Does United Airlines fly nonstop from San Francisco Intl. Airport (SFO) to Incheon Intl. Airport (ICN)?
United Airlines operates direct flights from San Francisco Intl. Airport (SFO) to Incheon Intl. Airport (ICN), with 14 departures every week. Simply choose the "Nonstop" and "Airline" filters during your search on Expedia to find all direct United Airlines flights to ICN.
How long does it take to fly from SFO to ICN with United Airlines?
Take off from San Francisco Intl. Airport (SFO) for Incheon Intl. Airport (ICN) on a direct United Airlines flight, and you'll be in the air for about 12h 51m.
Which day of the week has the most United Airlines flights from San Francisco Intl. Airport (SFO) to Incheon Intl. Airport (ICN)?
United Airlines operates the most flights from San Francisco Intl. Airport (SFO) to Incheon Intl. Airport (ICN) on Friday. With up to 2 daily departures, you'll get the most choice and flexibility on this day.
What airports does United Airlines fly into in Seoul?
United Airlines flights from San Francisco Intl. Airport (SFO) to Seoul touch down at Incheon Intl. Airport (ICN). This is the main gateway to this destination.
What type of plane does United Airlines fly from San Francisco Intl. Airport (SFO) to Incheon Intl. Airport (ICN)?
You'll likely board a Boeing 787-9 or a Boeing 777 when flying United Airlines from San Francisco Intl. Airport (SFO) to Incheon Intl. Airport (ICN). However, keep in mind that a different plane may be used depending on operational requirements.
Can I change or cancel my United Airlines flight from San Francisco Intl. Airport (SFO) to Incheon Intl. Airport (ICN)?
Depending on your ticket type, a fee is typically charged if you modify or cancel your booking more than 24 hours after it's been confirmed. To find flexible plane tickets, select our "Changes included" and "No cancel fee" boxes while looking for flights. For additional information on changing or cancelling your reservation, visit "Trips," select your flight and tick "Manage Booking."
*Available to Expedia members.