S$314 Cheap Flights from San Francisco to Seoul

View S$314 flight on Wed, 23 Sept, 2026Opens in a new window

Popular airlines from San Francisco Intl. Airport (SFO) to Incheon Intl. Airport (ICN)

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Cheap Flights from San Francisco to Seoul (SFO-ICN)

Prices were available within the past 7 days and start at S$314 for one-way flights and S$1,097 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, 24 Apr - Fri, 8 May
SFO
San Francisco
ICN
Seoul
S$1,097 Return, found 10 hours ago
S$1,097
Return
found 10 hours ago
Select United flight, departing Fri, 24 Apr from San Francisco to Seoul, returning Fri, 8 May, priced at S$1,097 found 10 hours ago
United
Wed, 25 Nov - Sun, 27 Dec
SFO
San Francisco
ICN
Seoul
S$1,107 Return, found 1 day ago
S$1,107
Return
found 1 day ago
Select United flight, departing Wed, 25 Nov from San Francisco to Seoul, returning Sun, 27 Dec, priced at S$1,107 found 1 day ago
Cathay Pacific
Mon, 27 Apr - Thu, 7 May
SFO
San Francisco
ICN
Seoul
S$1,155 Return, found 4 days ago
S$1,155
Return
found 4 days ago
Select Cathay Pacific flight, departing Mon, 27 Apr from San Francisco to Seoul, returning Thu, 7 May, priced at S$1,155 found 4 days ago
Philippine Airlines
Wed, 2 Sept - Wed, 9 Sept
SFO
San Francisco
ICN
Seoul
S$1,181 Return, found 4 days ago
S$1,181
Return
found 4 days ago
Select Philippine Airlines flight, departing Wed, 2 Sept from San Francisco to Seoul, returning Wed, 9 Sept, priced at S$1,181 found 4 days ago
Cathay Pacific
Wed, 2 Sept - Wed, 9 Sept
SFO
San Francisco
ICN
Seoul
S$1,230 Return, found 4 days ago
S$1,230
Return
found 4 days ago
Select Cathay Pacific flight, departing Wed, 2 Sept from San Francisco to Seoul, returning Wed, 9 Sept, priced at S$1,230 found 4 days ago
Philippine Airlines
Thu, 13 Aug - Mon, 24 Aug
SFO
San Francisco
ICN
Seoul
S$1,234 Return, found 2 days ago
S$1,234
Return
found 2 days ago
Select Philippine Airlines flight, departing Thu, 13 Aug from San Francisco to Seoul, returning Mon, 24 Aug, priced at S$1,234 found 2 days ago
Cathay Pacific
Wed, 2 Sept - Mon, 7 Sept
SFO
San Francisco
ICN
Seoul
S$1,242 Return, found 2 days ago
S$1,242
Return
found 2 days ago
Select Cathay Pacific flight, departing Wed, 2 Sept from San Francisco to Seoul, returning Mon, 7 Sept, priced at S$1,242 found 2 days ago
Vietnam Airlines
Thu, 1 Oct - Sat, 10 Oct
SFO
San Francisco
ICN
Seoul
S$1,348 Return, just found
S$1,348
Return
just found
Select Vietnam Airlines flight, departing Thu, 1 Oct from San Francisco to Seoul, returning Sat, 10 Oct, priced at S$1,348 just found
Delta
Mon, 14 Sept - Sat, 19 Sept
SFO
San Francisco
ICN
Seoul
S$1,361 Return, found 3 days ago
S$1,361
Return
found 3 days ago
Select Delta flight, departing Mon, 14 Sept from San Francisco to Seoul, returning Sat, 19 Sept, priced at S$1,361 found 3 days ago
Korean Air
Thu, 1 Oct - Sat, 10 Oct
SFO
San Francisco
ICN
Seoul
S$1,468 Return, just found
S$1,468
Return
just found
Select Korean Air flight, departing Thu, 1 Oct from San Francisco to Seoul, returning Sat, 10 Oct, priced at S$1,468 just found

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

September is typically the cheapest month to fly

From S$817 - S$1,179 per traveller.

Frequently asked questions

How much is a flight from SFO to Incheon Airport?
Based on airfares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights between San Francisco Intl. Airport (SFO) and Incheon Intl. Airport (ICN) start from S$1,097. Book now to get the best price for your journey. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from San Francisco Intl. Airport (SFO) to ICN?
Every airline has its own terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from SFO to ICN that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for San Francisco Airport to ICN flights, you'll see a "no change fees" filter for you to select.
How far is the flight from San Francisco Intl. Airport (SFO) to Incheon Airport?
San Francisco to South Korea is around 9,100 kilometres, so be prepared to spend a while in the air. Don't forget to pack all the essentials, from your eye mask to your earphones. Throw in a few snacks to munch on throughout your journey too.
Which airlines fly direct from San Francisco Airport to Seoul–Incheon Intl. Airport?
United Airlines (UA) is one of the preferred choices for travellers jetting between SFO and Incheon Airport. Take your pick of the 47 flights it operates on this route each month. For more options, check out the fares from Korean Air (KE). This airline offers 30 monthly flights between these airports.
Are San Francisco Intl. Airport (SFO) to Incheon Intl. Airport (ICN) flight tickets cheaper when they're purchased at the last minute?
Flight prices fluctuate, so it's no sure thing. While last-minute deals between San Francisco Intl. Airport (SFO) and Seoul–Incheon Intl. Airport are of course possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some airlines announce their prices up to a year ahead of the departure date. Expedia is constantly updating the best airfare bargains around, so keep checking back and be ready to pounce when the fares dip.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, China Southern Airlines, Delta, EVA Airways, Korean Air, Philippine Airlines, Turkish Airlines, United, Vietnam Airlines
Return price
S$1,096
Distance
9032 km
Average flight time
28 hours 45 mins

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