S$437 Cheap Flights from San Francisco to Seoul

View S$437 flight on Mon, 23 Feb, 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$437 for one-way flights and S$862 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 11 Feb - Thu, 26 Feb
SFO
San Francisco
ICN
Seoul
S$862 Return, found 1 day ago
S$862
Return
found 1 day ago
Select United flight, departing Wed, 11 Feb from San Francisco to Seoul, returning Thu, 26 Feb, priced at S$862 found 1 day ago
United
Thu, 22 Jan - Fri, 30 Jan
SFO
San Francisco
ICN
Seoul
S$865 Return, found 4 days ago
S$865
Return
found 4 days ago
Select United flight, departing Thu, 22 Jan from San Francisco to Seoul, returning Fri, 30 Jan, priced at S$865 found 4 days ago
Cathay Pacific
Thu, 22 Jan - Fri, 30 Jan
SFO
San Francisco
ICN
Seoul
S$982 Return, found 4 days ago
S$982
Return
found 4 days ago
Select Cathay Pacific flight, departing Thu, 22 Jan from San Francisco to Seoul, returning Fri, 30 Jan, priced at S$982 found 4 days ago
Asiana Airlines
Thu, 15 Jan - Wed, 21 Jan
SFO
San Francisco
ICN
Seoul
S$1,064 Return, found 4 days ago
S$1,064
Return
found 4 days ago
Select Asiana Airlines flight, departing Thu, 15 Jan from San Francisco to Seoul, returning Wed, 21 Jan, priced at S$1,064 found 4 days ago
Cathay Pacific
Wed, 11 Feb - Thu, 26 Feb
SFO
San Francisco
ICN
Seoul
S$1,064 Return, found 1 day ago
S$1,064
Return
found 1 day ago
Select Cathay Pacific flight, departing Wed, 11 Feb from San Francisco to Seoul, returning Thu, 26 Feb, priced at S$1,064 found 1 day ago
Cathay Pacific
Thu, 15 Jan - Wed, 21 Jan
SFO
San Francisco
ICN
Seoul
S$1,067 Return, found 4 days ago
S$1,067
Return
found 4 days ago
Select Cathay Pacific flight, departing Thu, 15 Jan from San Francisco to Seoul, returning Wed, 21 Jan, priced at S$1,067 found 4 days ago
Alaska Airlines
Sun, 29 Mar - Sun, 5 Apr
SFO
San Francisco
ICN
Seoul
S$1,073 Return, found 1 day ago
S$1,073
Return
found 1 day ago
Select Alaska Airlines flight, departing Sun, 29 Mar from San Francisco to Seoul, returning Sun, 5 Apr, priced at S$1,073 found 1 day ago
Air Canada
Wed, 11 Feb - Thu, 26 Feb
SFO
San Francisco
ICN
Seoul
S$1,122 Return, found 1 day ago
S$1,122
Return
found 1 day ago
Select Air Canada flight, departing Wed, 11 Feb from San Francisco to Seoul, returning Thu, 26 Feb, priced at S$1,122 found 1 day ago
Korean Air
Thu, 22 Jan - Fri, 30 Jan
SFO
San Francisco
ICN
Seoul
S$1,129 Return, found 4 days ago
S$1,129
Return
found 4 days ago
Select Korean Air flight, departing Thu, 22 Jan from San Francisco to Seoul, returning Fri, 30 Jan, priced at S$1,129 found 4 days ago
Delta
Thu, 22 Jan - Fri, 30 Jan
SFO
San Francisco
ICN
Seoul
S$1,134 Return, found 4 days ago
S$1,134
Return
found 4 days ago
Select Delta flight, departing Thu, 22 Jan from San Francisco to Seoul, returning Fri, 30 Jan, priced at S$1,134 found 4 days ago

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

January is typically the cheapest month to fly

From S$814 - S$1,775 per traveller.
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, China Southern Airlines, Delta, EVA Airways, Korean Air, LOT-Polish Airlines, Philippine Airlines, Singapore Airlines, Turkish Airlines, United, Vietnam Airlines, WestJet
Return price
S$862
Distance
9032 km
Average flight time
29 hours 57 mins

Flights from San Francisco to Incheon

There are several airlines that operate frequent flights from San Francisco (SFO) to Seoul (ICN) including

The earliest flight leaves San Francisco Intl. Airport at 00:50 and arrives at Incheon Intl. Airport at 04:50. The last flight of the day departs San Francisco at 14:00 and arrives at Seoul at 18:15.

The flight distance from San Francisco to Seoul is about 9134 km, the shortest flight is 12 hours with .

Expedia lets you search across the largest number of airlines and Incheon flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your San Francisco Incheon flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your San Francisco to Incheon trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Incheon flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from San Francisco to Incheon with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

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$862. 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.

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