S$509 Cheap Flights from Seoul to San Francisco

View S$509 flight on Wed, 10 Sep, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at S$509 for one-way flights and S$574 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, 17 Sep - Wed, 24 Sep
ICN
Seoul
SFO
San Francisco
S$574 Return, found 4 days ago
S$574
Return
found 4 days ago
Select Air Canada flight, departing Wed, 17 Sep from Seoul to San Francisco, returning Wed, 24 Sep, priced at S$574 found 4 days ago
Hawaiian Airlines
Wed, 3 Dec - Sun, 7 Dec
ICN
Seoul
SFO
San Francisco
S$760 Return, found 6 days ago
S$760
Return
found 6 days ago
Select Hawaiian Airlines flight, departing Wed, 3 Dec from Seoul to San Francisco, returning Sun, 7 Dec, priced at S$760 found 6 days ago
United
Fri, 12 Sep - Sat, 13 Sep
ICN
Seoul
SFO
San Francisco
S$762 Return, found 15 hours ago
S$762
Return
found 15 hours ago
Select United flight, departing Fri, 12 Sep from Seoul to San Francisco, returning Sat, 13 Sep, priced at S$762 found 15 hours ago
Asiana Airlines
Fri, 12 Sep - Sat, 13 Sep
ICN
Seoul
SFO
San Francisco
S$802 Return, found 15 hours ago
S$802
Return
found 15 hours ago
Select Asiana Airlines flight, departing Fri, 12 Sep from Seoul to San Francisco, returning Sat, 13 Sep, priced at S$802 found 15 hours ago
Delta
Sun, 12 Oct - Wed, 19 Nov
ICN
Seoul
SFO
San Francisco
S$804 Return, found 10 hours ago
S$804
Return
found 10 hours ago
Select Delta flight, departing Sun, 12 Oct from Seoul to San Francisco, returning Wed, 19 Nov, priced at S$804 found 10 hours ago
Korean Air
Thu, 11 Sep - Thu, 23 Oct
ICN
Seoul
SFO
San Francisco
S$857 Return, found 3 days ago
S$857
Return
found 3 days ago
Select Korean Air flight, departing Thu, 11 Sep from Seoul to San Francisco, returning Thu, 23 Oct, priced at S$857 found 3 days ago
Philippine Airlines
Thu, 21 Aug - Wed, 3 Sep
ICN
Seoul
SFO
San Francisco
S$1,002 Return, found 9 hours ago
S$1,002
Return
found 9 hours ago
Select Philippine Airlines flight, departing Thu, 21 Aug from Seoul to San Francisco, returning Wed, 3 Sep, priced at S$1,002 found 9 hours ago
China Airlines
Fri, 12 Sep - Sat, 13 Sep
ICN
Seoul
SFO
San Francisco
S$1,127 Return, found 15 hours ago
S$1,127
Return
found 15 hours ago
Select China Airlines flight, departing Fri, 12 Sep from Seoul to San Francisco, returning Sat, 13 Sep, priced at S$1,127 found 15 hours ago
EVA Airways
Fri, 12 Sep - Sat, 13 Sep
ICN
Seoul
SFO
San Francisco
S$1,145 Return, found 15 hours ago
S$1,145
Return
found 15 hours ago
Select EVA Airways flight, departing Fri, 12 Sep from Seoul to San Francisco, returning Sat, 13 Sep, priced at S$1,145 found 15 hours ago
American Airlines
Thu, 11 Sep - Thu, 23 Oct
ICN
Seoul
SFO
San Francisco
S$1,259 Return, found 3 days ago
S$1,259
Return
found 3 days ago
Select American Airlines flight, departing Thu, 11 Sep from Seoul to San Francisco, returning Thu, 23 Oct, priced at S$1,259 found 3 days ago

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

May is typically the cheapest month to fly

From S$529 - S$870 per traveller.

Graph displaying average flight prices per month

Seoul to San Francisco route information
Origin airport
Incheon Intl.
Destination airport
San Francisco Intl.
Airlines serving
Air Canada, All Nippon Airways, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, China Southern Airlines, Delta, EVA Airways, Emirates, Hawaiian Airlines, Japan Airlines, Korean Air, Lufthansa, Philippine Airlines, Turkish Airlines, United, Vietnam Airlines, WestJet
Return price
S$574
Distance
9032 km
Average flight time
-5 hours -3 mins

Flights from Incheon to San Francisco

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

The earliest flight leaves Incheon Intl. Airport at 16:00 and arrives at San Francisco Intl. Airport at 09:30. The last flight of the day departs Seoul at 20:00 and arrives at San Francisco at 15:00.

The flight distance from Seoul to San Francisco is about 9134 km, the shortest flight is 10 hours 15 minutes with United Airlines."

Expedia lets you search across the largest number of airlines and San Francisco 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 Incheon San Francisco 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 Incheon to San Francisco trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your San Francisco 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 Incheon to San Francisco 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 Incheon Intl. Airport (ICN) to San Francisco Airport?
Pack your bags, because round-trip journeys between Incheon Airport and San Francisco Airport start from S$574. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book today to secure the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seoul--Incheon Intl. Airport to San Francisco Airport?
The majority of flights can be cancelled online, but whether you are charged a fee all comes down to your airline. If you do have to cancel your getaway, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from ICN to SFO 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 Seoul--Incheon Intl. Airport to San Francisco Intl. Airport (SFO) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Incheon Airport to San Francisco Intl. Airport (SFO)?
The distance is around 9,100 kilometres. Neck pillow? Check. Spare socks? Check. You'll need to pack all the essentials for this long-haul South Korea to San Francisco flight.
Which airlines fly direct from Incheon Intl. Airport (ICN) to SFO?
A leading airline that flies from Incheon Airport to San Francisco Intl. Airport (SFO) is United Airlines (UA). It offers 47 flights every month. You could also have a look at the airfares with Korean Air (KE). It operates 30 monthly flights between South Korea and San Francisco.
Are Seoul--Incheon Intl. Airport to SFO flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up amazing last-minute deals from ICN to San Francisco Airport, but it's also possible to miss out entirely! As many airlines release prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to book when you spot a good bargain. Expedia compares carrier prices and updates flight deals often, so you can be sure you're always seeing the latest offers.

Explore a world of travel with Expedia

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