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Cheap flights from San Francisco to Seoul from $357

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Seoul departing on 2/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Asiana Airlines Logo
11:45 pm - 5:40 am
SFO
-
ICN
12h 55mnonstop
Asiana Airlines Logo
5:00 pm - 11:35 am
ICN
-
SFO
10h 35mnonstop
$657Asiana Airlines
Thu, Mar 5 - Wed, Mar 18
AIR PREMIA Logo
2:30 pm - 8:30 pm
SFO
-
ICN
13h 00mnonstop
AIR PREMIA Logo
6:55 pm - 12:30 pm
ICN
-
SFO
10h 35mnonstop
$658AIR PREMIA
Wed, Feb 4 - Sat, Feb 7
Asiana Airlines Logo
10:30 am - 4:15 pm
SFO
-
ICN
12h 45mnonstop
Asiana Airlines Logo
11:45 am - 6:30 am
ICN
-
SFO
10h 45mnonstop
$659Asiana Airlines
Sun, Feb 15 - Wed, Mar 18
Multiple Airlines Logo
9:00 am - 6:35 pm
SFO
-
ICN
16h 35m
1 stop
Multiple Airlines Logo
8:35 pm - 9:58 pm
ICN
-
SFO
18h 23m
1 stop
$660Multiple Airlines
Wed, Feb 4 - Sun, Feb 8
Asiana Airlines Logo
10:30 am - 4:15 pm
SFO
-
ICN
12h 45mnonstop
Asiana Airlines Logo
11:45 am - 6:30 am
ICN
-
SFO
10h 45mnonstop
$661Asiana Airlines
Mon, Mar 2 - Mon, Mar 9
United Airlines Logo
10:30 am - 4:15 pm
SFO
-
ICN
12h 45mnonstop
United Airlines Logo
5:00 pm - 11:35 am
ICN
-
SFO
10h 35mnonstop
$662United Airlines
Thu, Feb 19 - Tue, Mar 10
Multiple Airlines Logo
10:30 pm - 7:25 pm
SFO
-
ICN
27h 55m
1 stop
Multiple Airlines Logo
6:55 pm - 12:30 pm
ICN
-
SFO
10h 35mnonstop
$663Multiple Airlines
Mon, Feb 23 - Sun, Mar 1
EVA Air Logo
12:40 am - 7:15 pm
SFO
-
GMP
26h 35m
1 stop
EVA Air Logo
8:20 pm - 6:35 am
GMP
-
SFO
26h 15m
1 stop
$862EVA Air
Mon, Mar 23 - Wed, Apr 22
EVA Air Logo
12:00 pm - 12:50 pm
SFO
-
GMP
31h 50m
1 stop
EVA Air Logo
8:15 pm - 6:40 am
GMP
-
SFO
26h 25m
1 stop
$868EVA Air
Thu, Mar 5 - Wed, Mar 18
Japan Airlines Logo
1:55 pm - 10:05 pm
SFO
-
GMP
16h 10m
1 stop
Japan Airlines Logo
12:05 pm - 11:25 am
GMP
-
SFO
15h 20m
1 stop
$944Japan Airlines
Tue, Mar 10 - Fri, Mar 27

AIR PREMIA flights from San Francisco to Seoul

Our best AIR PREMIA deals on San Francisco to Seoul flight tickets
AIR PREMIA
Feb 4
SFO2:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
Feb 7
ICN6:55 pmIncheon Intl
10h 35m
SFO12:30 pmSan Francisco
$658
AIR PREMIA
Mar 15
SFO3:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
Mar 22
ICN6:55 pmIncheon Intl
10h 35m
SFO1:30 pmSan Francisco
$681
AIR PREMIA
Mar 2
SFO2:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
Mar 30
ICN6:20 pmIncheon Intl
10h 40m
SFO1:00 pmSan Francisco
$690

United Airlines flights from San Francisco to Seoul

Our best United Airlines deals on San Francisco to Seoul flight tickets
United Airlines
Feb 19
SFO10:30 amSan Francisco
12h 45m
ICN4:15 pmIncheon Intl
Mar 10
ICN5:00 pmIncheon Intl
10h 35m
SFO11:35 amSan Francisco
$662
United Airlines
Feb 6
SFO10:30 amSan Francisco
12h 45m
ICN4:15 pmIncheon Intl
Feb 18
ICN6:40 pmIncheon Intl
31h 35m
1 stop
SFO9:15 amSan Francisco
$833
United Airlines
Feb 6
SFO10:30 amSan Francisco
12h 45m
ICN4:15 pmIncheon Intl
Feb 17
ICN6:40 pmIncheon Intl
37h 19m
2 stops
SFO2:59 pmSan Francisco
$843

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 1, 2026.
Use the filters below to find and compare flights from San Francisco to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 3/5

11:45 pm-5:40 am

Nonstop12h 55m

Incheon Intl

Wed 3/18

5:00 pm-11:35 am

Nonstop10h 35m

$657

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 2/4

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Sat 2/7

6:55 pm-12:30 pm

Nonstop10h 35m

$658

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 2/15

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Wed 3/18

11:45 am-6:30 am

Nonstop10h 45m

$659

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 2/4

9:00 am-6:35 pm

1 stop16h 35m

Incheon Intl

Sun 2/8

8:35 pm-9:58 pm

1 stop18h 23m

$660

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 3/2

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Mon 3/9

11:45 am-6:30 am

Nonstop10h 45m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 2/19

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Tue 3/10

5:00 pm-11:35 am

Nonstop10h 35m

$662

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 2/23

10:30 pm-7:25 pm

1 stop27h 55m

Incheon Intl

Sun 3/1

6:55 pm-12:30 pm

Nonstop10h 35m

$663

San FranciscoSeoul

SFO - GMP

SFOGMP

San Francisco

Mon 3/23

12:40 am-7:15 pm

1 stop26h 35m

Seoul Gimpo Intl

Wed 4/22

8:20 pm-6:35 am

1 stop26h 15m

$862

San FranciscoSeoul

SFO - GMP

SFOGMP

San Francisco

Thu 3/5

12:00 pm-12:50 pm

1 stop31h 50m

Seoul Gimpo Intl

Wed 3/18

8:15 pm-6:40 am

1 stop26h 25m

$868

San FranciscoSeoul

SFO - GMP

SFOGMP

San Francisco

Tue 3/10

1:55 pm-10:05 pm

1 stop16h 10m

Seoul Gimpo Intl

Fri 3/27

12:05 pm-11:25 am

1 stop15h 20m

$944

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seoul from

How to get the cheapest flight ticket from San Francisco to Seoul

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between San Francisco and Seoul?

What is the cheapest month to fly to Seoul?

The month of November is another great option to travel to Seoul, with average flight prices from San Francisco averaging around $661.

What is the cheapest day to depart on your flight to Seoul?

According to our data, Sunday is the cheapest day to fly to Seoul from San Francisco. The lowest ticket price found for a Sunday departure recently was $777. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Saturday, with ticket prices averaging around $869.

What is the cheapest time of day to depart on your flight to Seoul?

Flying to Seoul from San Francisco in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $721 when looking at flights departing in the afternoon. In the morning is when there is more demand to fly to Seoul, so prices are often more expensive at around $853 per ticket.

What is the cheapest San Francisco to Seoul flight route?

Fly from San Francisco to Incheon Intl for the best San Francisco - Seoul flight prices

How far in advance should I book a flight to Seoul?

You are more likely to see cheaper flights to Seoul from San Francisco when booking week ahead of your departure date. In general, you can expect to find flights to Seoul for around $840 when searching week out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from San Francisco for as low as $727 on momondo.

What cabin class options are available on San Francisco to Seoul flights?

There are 4 cabin classes available to choose from on San Francisco to Seoul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Francisco to Seoul flights?

No. A direct flight is the cheapest option for a flight between San Francisco to Seoul.

How have San Francisco to Seoul flight prices changed over time?

As of February 2026, prices for San Francisco to Seoul flights are approximately 1% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to Seoul

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Seoul according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to Seoul (SFO to SEL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Seoul

Best Price Found

$382

Fastest flight time

12h 40m

Direct flights

Every day

Airports in Seoul

2 airports
The best one-way flight to Seoul from San Francisco in the past 72 hours is $382. The best round-trip flight deal from San Francisco to Seoul found on momondo in the last 72 hours is $678.
The fastest flight from San Francisco to Seoul takes 12h 40m
Direct flights go from San Francisco to Seoul every day.
There are 2 airports in Seoul. From San Francisco there are direct flights to Incheon Intl (ICN).
Search flight deals

  • How far is San Francisco to Seoul by plane?

    Seoul is 5606.2 mi away from San Francisco. A reasonable flight in good conditions will take 12h 40m.

  • When did momondo last update prices for flights from San Francisco Airport to Seoul?

    Prices for flights from San Francisco Airport to Seoul were last updated today.

  • How many operators does momondo search for flights from San Francisco Airport to Seoul?

  • How old do you have to be to fly from San Francisco Airport to Seoul?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The necessary travel and health documents for your Seoul trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Francisco to Seoul?

  • What is the most popular airline from San Francisco to Seoul?

Best airlines flying from San Francisco to Seoul

Compare and see reviews for airlines that fly from San Francisco to Seoul with momondo
Airline
Rating
Free Cancellation
Price
AIR PREMIAPriceFrom $571Free CancellationRating
8.3
78 reviews
Search AIR PREMIA flights
Japan AirlinesPriceFrom $630Free CancellationRating
8.3
1,691 reviews
Search Japan Airlines flights
Singapore AirlinesPriceFrom $651Free CancellationRating
8.2
1,443 reviews
Search Singapore Airlines flights
United AirlinesPriceFrom $660Free CancellationRating
7.4
9,219 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $668Free CancellationRating
8.1
501 reviews
Search Asiana Airlines flights
Alaska AirlinesPriceFrom $672Free CancellationRating
8.0
11,819 reviews
Search Alaska Airlines flights
Air CanadaPriceFrom $778Free CancellationRating
7.1
10,668 reviews
Search Air Canada flights
Korean AirPriceFrom $808Free CancellationRating
8.4
1,188 reviews
Search Korean Air flights
Cathay PacificPriceFrom $820Free CancellationRating
7.6
1,153 reviews
Search Cathay Pacific flights
DeltaPriceFrom $861Free CancellationRating
7.9
8,130 reviews
Search Delta flights

  • Korean Air Flights From San Francisco to Seoul

    Korean Air is one of the most popular airlines flying from San Francisco to Seoul, operating 7 flights/week on average for this route. A good Korean Air flight deal for San Francisco to Seoul starts from $808 round-trip, up to an average price of $950. Our users have rated Korean Air at 8.4/10.

  • AIR PREMIA Flights From San Francisco to Seoul

    Another popular option for San Francisco to Seoul flights is AIR PREMIA (8.3/10, 78 ratings). AIR PREMIA flies from San Francisco to Seoul around 5 times per week, with deals starting from $571 round-trip and rising to an average price of around $734.

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Seoul?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco to Seoul. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Francisco to Seoul with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seoul from San Francisco with this policy.

How can momondo help me find flights from San Francisco to Seoul?

Once all potential San Francisco to Seoul flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from San Francisco to Seoul right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Francisco to Seoul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul
Seoul Gimpo Intl Airport
Incheon Intl Airport