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Cheap flights from Seoul to San Francisco from $320

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 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.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Hawaiian Airlines Logo
8:35 pm - 9:58 pm
ICN
-
SFO
18h 23m
1 stop
Hawaiian Airlines Logo
9:00 am - 6:35 pm
SFO
-
ICN
16h 35m
1 stop
$383Hawaiian Airlines
Fri, Jan 30 - Sun, Feb 1
Hawaiian Airlines Logo
8:35 pm - 8:36 pm
ICN
-
SFO
17h 01m
1 stop
Hawaiian Airlines Logo
6:30 am - 6:35 pm
SFO
-
ICN
19h 05m
1 stop
$387Hawaiian Airlines
Sun, Feb 15 - Sun, Feb 22
Hawaiian Airlines Logo
8:35 pm - 9:55 pm
ICN
-
SFO
17h 20m
1 stop
Hawaiian Airlines Logo
6:14 pm - 6:35 pm
SFO
-
ICN
32h 21m
1 stop
$389Hawaiian Airlines
Fri, Mar 13 - Wed, Mar 18
Multiple Airlines Logo
8:35 pm - 9:58 pm
ICN
-
SFO
18h 23m
1 stop
Multiple Airlines Logo
6:30 am - 6:35 pm
SFO
-
ICN
19h 05m
1 stop
$395Multiple Airlines
Fri, Jan 30 - Fri, Feb 27
American Airlines Logo
7:15 pm - 10:07 pm
ICN
-
SFO
19h 52m
1 stop
American Airlines Logo
6:04 pm - 4:45 pm
SFO
-
ICN
29h 41m
1 stop
$396American Airlines
Fri, Feb 20 - Tue, Feb 24
Hawaiian Airlines Logo
8:35 pm - 2:00 pm
ICN
-
SFO
34h 25m
1 stop
Hawaiian Airlines Logo
7:00 am - 6:35 pm
SFO
-
ICN
18h 35m
1 stop
$397Hawaiian Airlines
Mon, Feb 2 - Fri, Feb 6
Multiple Airlines Logo
8:35 pm - 6:07 pm
ICN
-
SFO
14h 32m
1 stop
Multiple Airlines Logo
8:42 am - 6:35 pm
SFO
-
ICN
17h 53m
1 stop
$399Multiple Airlines
Mon, Mar 2 - Sun, Mar 8
United Airlines Logo
12:45 pm - 6:30 am
ICN
-
SFO
10h 45mnonstop
United Airlines Logo
10:30 am - 4:15 pm
SFO
-
ICN
12h 45mnonstop
$403United Airlines
Fri, Jan 30 - Mon, Feb 16
EVA Air Logo
8:20 pm - 6:35 am
GMP
-
SFO
26h 15m
1 stop
EVA Air Logo
12:30 pm - 7:15 pm
SFO
-
GMP
38h 45m
1 stop
$865EVA Air
Wed, Apr 15 - Mon, May 4
EVA Air Logo
8:20 pm - 6:35 am
GMP
-
SFO
26h 15m
1 stop
EVA Air Logo
1:00 pm - 12:50 pm
SFO
-
GMP
31h 50m
1 stop
$896EVA Air
Wed, Apr 29 - Thu, Jul 23

American Airlines flights from Seoul to San Francisco

Our best American Airlines deals on Seoul to San Francisco flight tickets
American Airlines
Feb 20
ICN7:15 pmIncheon Intl
19h 52m
1 stop
SFO10:07 pmSan Francisco
Feb 24
SFO6:04 pmSan Francisco
29h 41m
1 stop
ICN4:45 pmIncheon Intl
$396
American Airlines
Feb 17
ICN7:15 pmIncheon Intl
36h 20m
2 stops
SFO2:35 pmSan Francisco
Mar 4
SFO1:45 pmSan Francisco
34h 00m
2 stops
ICN4:45 pmIncheon Intl
$405
American Airlines
Feb 4
ICN7:15 pmIncheon Intl
19h 22m
1 stop
SFO9:37 pmSan Francisco
Feb 24
SFO12:30 amSan Francisco
23h 15m
1 stop
ICN4:45 pmIncheon Intl
$406

United Airlines flights from Seoul to San Francisco

Our best United Airlines deals on Seoul to San Francisco flight tickets
United Airlines
Feb 18
ICN12:45 pmIncheon Intl
10h 45m
SFO6:30 amSan Francisco
Feb 25
SFO10:30 amSan Francisco
12h 45m
ICN4:15 pmIncheon Intl
$403
United Airlines
Jan 30
ICN6:00 pmIncheon Intl
10h 35m
SFO11:35 amSan Francisco
Feb 27
SFO10:30 amSan Francisco
12h 45m
ICN4:15 pmIncheon Intl
$404
United Airlines
Feb 14
ICN6:00 pmIncheon Intl
10h 35m
SFO11:35 amSan Francisco
Mar 4
SFO10:30 amSan Francisco
12h 45m
ICN4:15 pmIncheon Intl
$445

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 20, 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

Fri 1/30

8:35 pm-9:58 pm

1 stop18h 23m

San Francisco

Sun 2/1

9:00 am-6:35 pm

1 stop16h 35m

$383

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 2/15

8:35 pm-8:36 pm

1 stop17h 01m

San Francisco

Sun 2/22

6:30 am-6:35 pm

1 stop19h 05m

$387

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 3/13

8:35 pm-9:55 pm

1 stop17h 20m

San Francisco

Wed 3/18

6:14 pm-6:35 pm

1 stop32h 21m

$389

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 1/30

8:35 pm-9:58 pm

1 stop18h 23m

San Francisco

Fri 2/27

6:30 am-6:35 pm

1 stop19h 05m

$395

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 2/20

7:15 pm-10:07 pm

1 stop19h 52m

San Francisco

Tue 2/24

6:04 pm-4:45 pm

1 stop29h 41m

$396

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 2/2

8:35 pm-2:00 pm

1 stop34h 25m

San Francisco

Fri 2/6

7:00 am-6:35 pm

1 stop18h 35m

$397

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 3/2

8:35 pm-6:07 pm

1 stop14h 32m

San Francisco

Sun 3/8

8:42 am-6:35 pm

1 stop17h 53m

$399

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 1/30

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Mon 2/16

10:30 am-4:15 pm

Nonstop12h 45m

$403

SeoulSan Francisco

GMP - SFO

GMPSFO

Seoul Gimpo Intl

Wed 4/15

8:20 pm-6:35 am

1 stop26h 15m

San Francisco

Mon 5/4

12:30 pm-7:15 pm

1 stop38h 45m

$865

SeoulSan Francisco

GMP - SFO

GMPSFO

Seoul Gimpo Intl

Wed 4/29

8:20 pm-6:35 am

1 stop26h 15m

San Francisco

Thu 7/23

1:00 pm-12:50 pm

1 stop31h 50m

$896

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 $534.

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 $653. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $749.

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 $751.

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 $656 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.

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

As of January 2026, prices for Seoul to San Francisco flights are approximately 34% 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

$341

Fastest flight time

10h 20m

Direct flights

Mon, Tue, Thu, Sat and Sun

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Seoul in the past 72 hours is $341. The best round-trip flight deal from Seoul to San Francisco found on momondo in the last 72 hours is $512.
The fastest flight from Seoul to San Francisco takes 10h 20m
Direct flights go from Seoul to San Francisco on Monday, Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.
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
10,641 reviews
Search Air Canada flights
United AirlinesPriceFrom $417Free CancellationRating
7.4
9,186 reviews
Search United Airlines flights
Korean AirPriceFrom $448Free CancellationRating
8.4
1,187 reviews
Search Korean Air flights
Asiana AirlinesPriceFrom $450Free CancellationRating
8.1
502 reviews
Search Asiana Airlines flights
AIR PREMIAPriceFrom $480Free CancellationRating
8.3
77 reviews
Search AIR PREMIA flights
DeltaPriceFrom $595Free CancellationRating
7.9
8,080 reviews
Search Delta flights

  • Korean Air Flights From Seoul to San Francisco

    Korean Air flies from Seoul to San Francisco around 5 times per week, with 1,187 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 $623 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 5 times per week, with deals starting from $480 round-trip and rising to an average price of around $654.

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
Salinas
Vallejo
Livermore
Sunnyvale
Turlock

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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