Cheap flights from San Francisco to Seoul from $341

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 10/22. 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

 Logo
10:30 pm - 7:25 pmSFO-ICN
27h 55m1 stop
 Logo
6:55 pm - 12:00 pmICN-SFO
10h 05mnonstop
lun., nov. 10 - vie., nov. 14
Philippine Airlines Logo
10:30 pm - 6:10 amSFO-ICN
38h 40m1 stop
Philippine Airlines Logo
8:35 pm - 7:30 pmICN-SFO
39h 55m1 stop
$649Philippine Airlines
Find Deal
sáb., nov. 8 - sáb., nov. 15
China Eastern Logo
1:00 pm - 3:20 pmSFO-ICN
34h 20m1 stop
China Eastern Logo
8:55 am - 9:00 amICN-SFO
17h 05m1 stop
$651China Eastern
Find Deal
jue., oct. 30 - jue., nov. 6
China Eastern Logo
1:00 pm - 11:00 amSFO-GMP
30h 00m1 stop
China Eastern Logo
8:50 pm - 9:00 amGMP-SFO
29h 10m1 stop
$652China Eastern
Find Deal
jue., oct. 30 - vie., nov. 7
AIR PREMIA Logo
2:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
AIR PREMIA Logo
6:55 pm - 12:00 pmICN-SFO
10h 05mnonstop
$656AIR PREMIA
Find Deal
lun., nov. 10 - mié., nov. 26
United Airlines Logo
10:35 am - 3:00 pmSFO-ICN
12h 25mnonstop
United Airlines Logo
11:30 am - 6:10 amICN-SFO
10h 40mnonstop
$661United Airlines
Find Deal
jue., sep. 18 - mié., oct. 15
United Airlines Logo
11:45 pm - 4:20 amSFO-ICN
12h 35mnonstop
United Airlines Logo
12:45 pm - 6:30 amICN-SFO
10h 45mnonstop
$662United Airlines
Find Deal
lun., oct. 20 - sáb., nov. 8
Alaska Airlines Logo
9:34 am - 6:35 pmSFO-ICN
17h 01m1 stop
Alaska Airlines Logo
8:35 pm - 10:18 pmICN-SFO
17h 43m1 stop
$676Alaska Airlines
Find Deal
sáb., oct. 4 - jue., oct. 23
Alaska Airlines Logo
6:00 am - 6:35 pmSFO-ICN
20h 35m1 stop
Alaska Airlines Logo
8:35 pm - 2:55 pmICN-SFO
34h 20m1 stop
$682Alaska Airlines
Find Deal
dom., sep. 28 - vie., oct. 10
AIR PREMIA Logo
3:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
AIR PREMIA Logo
6:20 pm - 1:00 pmICN-SFO
10h 40mnonstop
$695AIR PREMIA
Find Deal
vie., sep. 19 - dom., oct. 12

Philippine Airlines flights from San Francisco to Seoul

Our best Philippine Airlines deals on San Francisco to Seoul flight tickets
Philippine Airlines
Nov 8
SFO10:30 pmSan Francisco
38h 40m
1 stop
ICN6:10 amIncheon Intl
Nov 15
ICN8:35 pmIncheon Intl
39h 55m
1 stop
SFO7:30 pmSan Francisco
Philippine Airlines
Nov 5
SFO10:30 pmSan Francisco
27h 55m
1 stop
ICN7:25 pmIncheon Intl
Nov 14
ICN8:35 pmIncheon Intl
39h 55m
1 stop
SFO7:30 pmSan Francisco
Philippine Airlines
Nov 5
SFO10:30 pmSan Francisco
27h 55m
1 stop
ICN7:25 pmIncheon Intl
Nov 26
ICN7:30 amIncheon Intl
29h 00m
1 stop
SFO7:30 pmSan Francisco

China Eastern flights from San Francisco to Seoul

Our best China Eastern deals on San Francisco to Seoul flight tickets
China Eastern
Oct 30
SFO1:00 pmSan Francisco
34h 20m
1 stop
ICN3:20 pmIncheon Intl
Nov 6
ICN8:55 amIncheon Intl
17h 05m
1 stop
SFO9:00 amSan Francisco
China Eastern
Oct 30
SFO1:00 pmSan Francisco
30h 55m
1 stop
ICN11:55 amIncheon Intl
Nov 7
ICN6:25 pmIncheon Intl
31h 35m
1 stop
SFO9:00 amSan Francisco
China Eastern
Nov 24
SFO12:00 pmSan Francisco
32h 30m
1 stop
ICN1:30 pmIncheon Intl
Dec 4
ICN8:55 amIncheon Intl
17h 05m
1 stop
SFO9:00 amSan Francisco

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 septiembre 15, 2025.
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

lun. 11/10

10:30 pm-7:25 pm

1 stop27h 55m

Incheon Intl

vie. 11/14

6:55 pm-12:00 pm

Nonstop10h 05m

$648

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

sáb. 11/8

10:30 pm-6:10 am

1 stop38h 40m

Incheon Intl

sáb. 11/15

8:35 pm-7:30 pm

1 stop39h 55m

$649

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

jue. 10/30

1:00 pm-3:20 pm

1 stop34h 20m

Incheon Intl

jue. 11/6

8:55 am-9:00 am

1 stop17h 05m

$651

San FranciscoSeoul

SFO - GMP

SFOGMP

San Francisco

jue. 10/30

1:00 pm-11:00 am

1 stop30h 00m

Seoul Gimpo Intl

vie. 11/7

8:50 pm-9:00 am

1 stop29h 10m

$652

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

lun. 11/10

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

mié. 11/26

6:55 pm-12:00 pm

Nonstop10h 05m

$656

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

jue. 9/18

10:35 am-3:00 pm

Nonstop12h 25m

Incheon Intl

mié. 10/15

11:30 am-6:10 am

Nonstop10h 40m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

lun. 10/20

11:45 pm-4:20 am

Nonstop12h 35m

Incheon Intl

sáb. 11/8

12:45 pm-6:30 am

Nonstop10h 45m

$662

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

sáb. 10/4

9:34 am-6:35 pm

1 stop17h 01m

Incheon Intl

jue. 10/23

8:35 pm-10:18 pm

1 stop17h 43m

$676

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

dom. 9/28

6:00 am-6:35 pm

1 stop20h 35m

Incheon Intl

vie. 10/10

8:35 pm-2:55 pm

1 stop34h 20m

$682

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

vie. 9/19

3:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

dom. 10/12

6:20 pm-1:00 pm

Nonstop10h 40m

$695

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 August is another great option to travel to Seoul, with average flight prices from San Francisco averaging around $662.

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 $813. 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 $903.

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 $743 when looking at flights departing in the afternoon. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around $856 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 $861 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 $692 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?

You could potentially save up to 36% on your flight if you consider stops on a San Francisco to Seoul flight.

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

As of September 2025, prices for San Francisco to Seoul flights are approximately 48% cheaper 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

$366

Fastest flight time

12h 25m

Direct flights

Every day

Airports in Seoul

1 airport
The best one-way flight to Seoul from San Francisco in the past 72 hours is $366. The best round-trip flight deal from San Francisco to Seoul found on momondo in the last 72 hours is $651.
The fastest flight from San Francisco to Seoul takes 12h 25m
Direct flights go from San Francisco to Seoul every day.
There is 1 airport near Seoul: Incheon Intl (ICN)
  • 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 25m.

  • 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
Hawaiian AirlinesPriceFrom $422Free CancellationRating
7.8
2,723 reviews
Search Hawaiian Airlines flights
AIR PREMIAPriceFrom $615Free CancellationRating
8.2
62 reviews
Search AIR PREMIA flights
Asiana AirlinesPriceFrom $649Free CancellationRating
8.2
479 reviews
Search Asiana Airlines flights
China EasternPriceFrom $651Free CancellationRating
7.2
165 reviews
Search China Eastern flights
Singapore AirlinesPriceFrom $651Free CancellationRating
8.1
1,365 reviews
Search Singapore Airlines flights
United AirlinesPriceFrom $660Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $675Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Korean AirPriceFrom $775Free CancellationRating
8.4
1,139 reviews
Search Korean Air flights
Air CanadaPriceFrom $809Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Cathay PacificPriceFrom $809Free CancellationRating
7.6
993 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 $775 round-trip, up to an average price of $962. 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 (8.2/10, 62 ratings). AIR PREMIA flies from San Francisco to Seoul around 4 times per week, with deals starting from $615 round-trip and rising to an average price of around $782.

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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1 adult
mié. 10/15
mié. 10/22

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