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Cheap flights from San Francisco to Seoul from $354

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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Find the cheapest flights from San Francisco to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
AIR PREMIA Logo
3:30 pm - 8:30 pm
SFO
-
ICN
13h 00mnonstop
AIR PREMIA Logo
6:20 pm - 1:00 pm
ICN
-
SFO
10h 40mnonstop
$646AIR PREMIA
Sun, Apr 5 - Wed, Apr 15
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
$648AIR PREMIA
Sun, Jan 25 - Fri, Jan 30
Air China Logo
1:00 pm - 11:40 am
SFO
-
ICN
30h 40m1 stop
Air China Logo
5:50 pm - 12:20 pm
ICN
-
SFO
34h 30m1 stop
$649Air China
Wed, Mar 18 - Mon, Mar 30
Multiple Airlines Logo
10:30 pm - 7:25 pm
SFO
-
ICN
27h 55m1 stop
Multiple Airlines Logo
6:55 pm - 1:30 pm
ICN
-
SFO
10h 35mnonstop
$650Multiple Airlines
Wed, Mar 4 - Mon, Mar 9
Multiple Airlines Logo
10:30 pm - 7:25 pm
SFO
-
ICN
27h 55m1 stop
Multiple Airlines Logo
6:55 pm - 1:30 pm
ICN
-
SFO
10h 35mnonstop
$651Multiple Airlines
Mon, Mar 2 - Mon, Mar 16
Multiple Airlines Logo
10:30 pm - 7:25 pm
SFO
-
ICN
27h 55m1 stop
Multiple Airlines Logo
6:55 pm - 12:30 pm
ICN
-
SFO
10h 35mnonstop
$653Multiple Airlines
Mon, Mar 2 - Fri, Mar 6
China Eastern Logo
1:00 pm - 3:05 pm
SFO
-
ICN
34h 05m1 stop
China Eastern Logo
4:10 pm - 10:00 am
ICN
-
SFO
33h 50m1 stop
$655China Eastern
Thu, Mar 12 - Wed, Mar 25
Air China Logo
1:00 pm - 1:05 pm
SFO
-
GMP
32h 05m1 stop
Air China Logo
2:25 pm - 10:30 am
GMP
-
SFO
36h 05m1 stop
$663Air China
Wed, Mar 11 - Tue, Mar 17
Japan Airlines Logo
12:55 pm - 10:05 pm
SFO
-
GMP
16h 10m1 stop
Japan Airlines Logo
7:40 pm - 10:25 am
GMP
-
SFO
31h 45m1 stop
$841Japan Airlines
Wed, Jan 28 - Wed, Feb 25
Japan Airlines Logo
12:55 pm - 10:05 pm
SFO
-
GMP
16h 10m1 stop
Japan Airlines Logo
8:00 am - 10:25 am
GMP
-
SFO
19h 25m1 stop
$842Japan Airlines
Thu, Jan 22 - Thu, Feb 12

China Eastern flights from San Francisco to Seoul

Our best China Eastern deals on San Francisco to Seoul flight tickets
China Eastern
Mar 12
SFO1:00 pmSan Francisco
34h 05m
1 stop
ICN3:05 pmIncheon Intl
Mar 25
ICN4:10 pmIncheon Intl
33h 50m
1 stop
SFO10:00 amSan Francisco
$655
China Eastern
Feb 7
SFO12:00 pmSan Francisco
30h 00m
2 stops
ICN11:00 amIncheon Intl
Mar 23
ICN8:55 amIncheon Intl
17h 05m
1 stop
SFO10:00 amSan Francisco
$703
China Eastern
Mar 9
SFO1:00 pmSan Francisco
32h 30m
1 stop
ICN1:30 pmIncheon Intl
Mar 22
ICN4:10 pmIncheon Intl
33h 50m
1 stop
SFO10:00 amSan Francisco
$704

AIR PREMIA flights from San Francisco to Seoul

Our best AIR PREMIA deals on San Francisco to Seoul flight tickets
AIR PREMIA
Apr 5
SFO3:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
Apr 15
ICN6:20 pmIncheon Intl
10h 40m
SFO1:00 pmSan Francisco
$646
AIR PREMIA
Jan 25
SFO2:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
Jan 30
ICN6:55 pmIncheon Intl
10h 35m
SFO12:30 pmSan Francisco
$648
AIR PREMIA
Jan 16
SFO2:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
Jan 23
ICN6:55 pmIncheon Intl
10h 35m
SFO12:30 pmSan Francisco
$651

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 January 8, 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

Sun 4/5

3:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Wed 4/15

6:20 pm-1:00 pm

Nonstop10h 40m

$646

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 1/25

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Fri 1/30

6:55 pm-12:30 pm

Nonstop10h 35m

$648

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 3/18

1:00 pm-11:40 am

1 stop30h 40m

Incheon Intl

Mon 3/30

5:50 pm-12:20 pm

1 stop34h 30m

$649

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 3/4

10:30 pm-7:25 pm

1 stop27h 55m

Incheon Intl

Mon 3/9

6:55 pm-1:30 pm

Nonstop10h 35m

$650

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 3/2

10:30 pm-7:25 pm

1 stop27h 55m

Incheon Intl

Mon 3/16

6:55 pm-1:30 pm

Nonstop10h 35m

$651

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 3/2

10:30 pm-7:25 pm

1 stop27h 55m

Incheon Intl

Fri 3/6

6:55 pm-12:30 pm

Nonstop10h 35m

$653

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 3/12

1:00 pm-3:05 pm

1 stop34h 05m

Incheon Intl

Wed 3/25

4:10 pm-10:00 am

1 stop33h 50m

$655

San FranciscoSeoul

SFO - GMP

SFOGMP

San Francisco

Wed 3/11

1:00 pm-1:05 pm

1 stop32h 05m

Seoul Gimpo Intl

Tue 3/17

2:25 pm-10:30 am

1 stop36h 05m

$663

San FranciscoSeoul

SFO - GMP

SFOGMP

San Francisco

Wed 1/28

12:55 pm-10:05 pm

1 stop16h 10m

Seoul Gimpo Intl

Wed 2/25

7:40 pm-10:25 am

1 stop31h 45m

$841

San FranciscoSeoul

SFO - GMP

SFOGMP

San Francisco

Thu 1/22

12:55 pm-10:05 pm

1 stop16h 10m

Seoul Gimpo Intl

Thu 2/12

8:00 am-10:25 am

1 stop19h 25m

$842

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 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, Monday is the cheapest day to fly to Seoul from San Francisco. The lowest ticket price found for a Monday departure recently was $784. 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 $888.

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 $753 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 $838 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 $716 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 January 2026, prices for San Francisco to Seoul flights are approximately 0% 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

$396

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 $396. The best round-trip flight deal from San Francisco to Seoul found on momondo in the last 72 hours is $687.
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 $607Free CancellationRating
8.3
77 reviews
Search AIR PREMIA flights
China EasternPriceFrom $622Free CancellationRating
7.2
187 reviews
Search China Eastern flights
Japan AirlinesPriceFrom $630Free CancellationRating
8.3
1,672 reviews
Search Japan Airlines flights
Asiana AirlinesPriceFrom $648Free CancellationRating
8.2
499 reviews
Search Asiana Airlines flights
Singapore AirlinesPriceFrom $651Free CancellationRating
8.1
1,429 reviews
Search Singapore Airlines flights
United AirlinesPriceFrom $660Free CancellationRating
7.4
9,142 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $674Free CancellationRating
8.0
11,672 reviews
Search Alaska Airlines flights
Air CanadaPriceFrom $778Free CancellationRating
7.1
10,603 reviews
Search Air Canada flights
Korean AirPriceFrom $812Free CancellationRating
8.4
1,188 reviews
Search Korean Air flights
Cathay PacificPriceFrom $820Free CancellationRating
7.6
1,126 reviews
Search Cathay Pacific 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 $812 round-trip, up to an average price of $971. 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, 77 ratings). AIR PREMIA flies from San Francisco to Seoul around 4 times per week, with deals starting from $607 round-trip and rising to an average price of around $779.

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