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Cheap flights from Seoul to San Francisco from $315

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seoul to San Francisco departing on 3/11. 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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0 bags

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Find the cheapest flights from Seoul to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:55 pm - 8:34 pm
ICN
-
SFO
18h 39m1 stop
Air Canada Logo
7:30 am - 5:10 pm
SFO
-
ICN
16h 40m1 stop
$381Air Canada
Mon, Feb 2 - Wed, Feb 18
Air Canada Logo
6:55 pm - 12:20 pm
ICN
-
SFO
34h 25m1 stop
Air Canada Logo
7:30 am - 5:10 pm
SFO
-
ICN
16h 40m1 stop
$429Air Canada
Mon, Feb 2 - Wed, Feb 18
Air Canada Logo
5:55 pm - 12:20 pm
ICN
-
SFO
35h 25m1 stop
Air Canada Logo
1:20 pm - 5:10 pm
SFO
-
ICN
34h 50m1 stop
$431Air Canada
Fri, Jan 30 - Sun, Feb 15
Hawaiian Airlines Logo
8:35 pm - 5:59 pm
ICN
-
SFO
14h 24m1 stop
Hawaiian Airlines Logo
6:27 pm - 6:35 pm
SFO
-
ICN
31h 08m1 stop
$438Hawaiian Airlines
Mon, Feb 2 - Wed, Feb 18
Hawaiian Airlines Logo
8:35 pm - 9:55 pm
ICN
-
SFO
18h 20m1 stop
Hawaiian Airlines Logo
6:30 am - 6:35 pm
SFO
-
ICN
19h 05m1 stop
$452Hawaiian Airlines
Sun, Feb 15 - Sun, Feb 22
Multiple Airlines Logo
8:35 pm - 5:59 pm
ICN
-
SFO
14h 24m1 stop
Multiple Airlines Logo
6:00 am - 6:35 pm
SFO
-
ICN
19h 35m1 stop
$456Multiple Airlines
Sat, Jan 17 - Sun, Jan 18
ANA Logo
7:45 am - 3:20 pm
GMP
-
SFO
24h 35m1 stop
ANA Logo
12:20 am - 11:20 am
SFO
-
GMP
18h 00m1 stop
$859ANA
Mon, Feb 2 - Tue, Feb 17
EVA Air Logo
1:50 pm - 4:10 pm
GMP
-
SFO
18h 20m1 stop
EVA Air Logo
1:00 pm - 12:50 pm
SFO
-
GMP
31h 50m1 stop
$875EVA Air
Fri, Jun 5 - Wed, Jul 22
EVA Air Logo
1:50 pm - 6:30 am
GMP
-
SFO
33h 40m1 stop
EVA Air Logo
12:00 pm - 6:00 pm
SFO
-
GMP
38h 00m1 stop
$879EVA Air
Sat, Feb 28 - Sun, Mar 8
ANA Logo
7:50 pm - 9:15 am
GMP
-
SFO
30h 25m1 stop
ANA Logo
12:20 am - 11:20 am
SFO
-
GMP
18h 00m1 stop
$894ANA
Mon, Feb 2 - Tue, Feb 17

AIR PREMIA flights from Seoul to San Francisco

Our best AIR PREMIA deals on Seoul to San Francisco flight tickets
AIR PREMIA
Jun 24
ICN6:20 pmIncheon Intl
10h 40m
SFO1:00 pmSan Francisco
Jul 5
SFO3:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
$468
Find similar
AIR PREMIA
Apr 20
ICN6:20 pmIncheon Intl
10h 40m
SFO1:00 pmSan Francisco
May 11
SFO3:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
$469
Find similar
AIR PREMIA
Jun 24
ICN6:20 pmIncheon Intl
10h 40m
SFO1:00 pmSan Francisco
Jun 29
SFO3:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
$470
Find similar

United Airlines flights from Seoul to San Francisco

Our best United Airlines deals on Seoul to San Francisco flight tickets
United Airlines
Jan 26
ICN6:00 pmIncheon Intl
10h 35m
SFO11:35 amSan Francisco
Apr 17
SFO10:20 amSan Francisco
12h 40m
ICN3:00 pmIncheon Intl
$510
Find similar
United Airlines
Jan 21
ICN12:45 pmIncheon Intl
10h 45m
SFO6:30 amSan Francisco
Jan 30
SFO11:45 pmSan Francisco
12h 55m
ICN5:40 amIncheon Intl
$511
Find similar
United Airlines
Jan 20
ICN6:40 pmIncheon Intl
31h 30m
1 stop
SFO9:10 amSan Francisco
Jan 24
SFO10:30 amSan Francisco
12h 45m
ICN4:15 pmIncheon Intl
$653
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seoul to San Francisco 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 6, 2026.
Use the filters below to find and compare flights from Seoul to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 2/2

6:55 pm-8:34 pm

1 stop18h 39m

San Francisco

Wed 2/18

7:30 am-5:10 pm

1 stop16h 40m

$381

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 2/2

6:55 pm-12:20 pm

1 stop34h 25m

San Francisco

Wed 2/18

7:30 am-5:10 pm

1 stop16h 40m

$429

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 1/30

5:55 pm-12:20 pm

1 stop35h 25m

San Francisco

Sun 2/15

1:20 pm-5:10 pm

1 stop34h 50m

$431

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 2/2

8:35 pm-5:59 pm

1 stop14h 24m

San Francisco

Wed 2/18

6:27 pm-6:35 pm

1 stop31h 08m

$438

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 2/15

8:35 pm-9:55 pm

1 stop18h 20m

San Francisco

Sun 2/22

6:30 am-6:35 pm

1 stop19h 05m

$452

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sat 1/17

8:35 pm-5:59 pm

1 stop14h 24m

San Francisco

Sun 1/18

6:00 am-6:35 pm

1 stop19h 35m

$456

SeoulSan Francisco

GMP - SFO

GMPSFO

Seoul Gimpo Intl

Mon 2/2

7:45 am-3:20 pm

1 stop24h 35m

San Francisco

Tue 2/17

12:20 am-11:20 am

1 stop18h 00m

$859

SeoulSan Francisco

GMP - SFO

GMPSFO

Seoul Gimpo Intl

Fri 6/5

1:50 pm-4:10 pm

1 stop18h 20m

San Francisco

Wed 7/22

1:00 pm-12:50 pm

1 stop31h 50m

$875

SeoulSan Francisco

GMP - SFO

GMPSFO

Seoul Gimpo Intl

Sat 2/28

1:50 pm-6:30 am

1 stop33h 40m

San Francisco

Sun 3/8

12:00 pm-6:00 pm

1 stop38h 00m

$879

SeoulSan Francisco

GMP - SFO

GMPSFO

Seoul Gimpo Intl

Mon 2/2

7:50 pm-9:15 am

1 stop30h 25m

San Francisco

Tue 2/17

12:20 am-11:20 am

1 stop18h 00m

$894

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 San Francisco from

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

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 Seoul and San Francisco?

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $527.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Seoul to San Francisco is on a Wednesday when prices can be found for as low as $658. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $761.

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

Our data shows that the cheapest Seoul to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $492. Flights in the morning are often more expensive with an average ticket price of $763.

What is the cheapest Seoul to San Francisco flight route?

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

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $652 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Seoul for as low as $553 on momondo.

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

There are 4 cabin classes available to choose from on Seoul to San Francisco 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 Seoul to San Francisco flights?

You could potentially save up to 2% on your flight if you consider stops on a Seoul to San Francisco flight.

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

As of January 2026, prices for Seoul to San Francisco flights are approximately 35% cheaper when compared to flights at the same time last year.

When to book flights from Seoul to San Francisco

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

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

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

Best Price Found

$375

Fastest flight time

10h 20m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Seoul in the past 72 hours is $375. The best round-trip flight deal from Seoul to San Francisco found on momondo in the last 72 hours is $514.
The fastest flight from Seoul to San Francisco takes 10h 20m
Direct flights go from Seoul to San Francisco every day.
There is 1 airport in San Francisco. From Seoul there are direct flights to San Francisco (SFO).
Search flight deals

  • How far is Seoul to San Francisco by plane?

    There are 5606.2 mi between Seoul and San Francisco. A reasonable flight in good conditions will take 10h 20m.

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

    Prices for flights from Seoul to San Francisco Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Best airlines flying from Seoul to San Francisco

Compare and see reviews for airlines that fly from Seoul to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $381Free CancellationRating
7.1
10,599 reviews
Search Air Canada flights
United AirlinesPriceFrom $417Free CancellationRating
7.4
9,138 reviews
Search United Airlines flights
Korean AirPriceFrom $448Free CancellationRating
8.4
1,188 reviews
Search Korean Air flights
Asiana AirlinesPriceFrom $450Free CancellationRating
8.2
500 reviews
Search Asiana Airlines flights
AIR PREMIAPriceFrom $480Free CancellationRating
8.3
77 reviews
Search AIR PREMIA flights
DeltaPriceFrom $595Free CancellationRating
7.9
8,022 reviews
Search Delta flights

  • Korean Air Flights From Seoul to San Francisco

    Korean Air flies from Seoul to San Francisco around 7 times per week, with 1,188 momondo users rating the airline 8.4/10. The cheapest Korean Air deal from Seoul to San Francisco in the last 72 hours was $448 (round-trip), much lower than the average airfare cost of $625 for Korean Air flights on this route.

  • AIR PREMIA Flights From Seoul to San Francisco

    Another popular option for Seoul to San Francisco flights is AIR PREMIA (8.3/10, 77 ratings). AIR PREMIA flies from Seoul to San Francisco around 4 times per week, with deals starting from $480 round-trip and rising to an average price of around $659.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Hayward
Calistoga
Big Sur
Santa Clara
Berkeley
Walnut Creek
Fremont
Daly City
Half Moon Bay
Vallejo
Livermore
Salinas
Turlock
Sunnyvale

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seoul to San Francisco for you.

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

Yes. All flights to San Francisco from Seoul on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Seoul and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Seoul to San Francisco 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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