Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seoul to San Francisco from $316

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 1/31. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
5:55 pm - 12:20 pm
ICN
-
SFO
35h 25m1 stop
Air Canada Logo
7:30 am - 5:10 pm
SFO
-
ICN
16h 40m1 stop
$415Air Canada
Fri, Jan 30 - Fri, Feb 6
Air Canada Logo
5:55 pm - 12:20 pm
ICN
-
SFO
35h 25m1 stop
Air Canada Logo
11:20 am - 4:00 pm
SFO
-
ICN
35h 40m1 stop
$430Air Canada
Wed, Feb 4 - Wed, Feb 11
Air Canada Logo
5:55 pm - 12:20 pm
ICN
-
SFO
35h 25m1 stop
Air Canada Logo
6:00 pm - 5:10 pm
SFO
-
ICN
30h 10m1 stop
$444Air Canada
Wed, Jan 21 - Sun, Jan 25
Air Canada Logo
5:55 pm - 3:35 pm
ICN
-
SFO
14h 40m1 stop
Air Canada Logo
7:30 am - 5:10 pm
SFO
-
ICN
16h 40m1 stop
$445Air Canada
Wed, Jan 21 - Wed, Jan 28
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
$446United Airlines
Wed, Jan 28 - Mon, Feb 16
United Airlines Logo
12:45 pm - 6:30 am
ICN
-
SFO
10h 45mnonstop
United Airlines Logo
11:45 pm - 5:40 am
SFO
-
ICN
12h 55mnonstop
$447United Airlines
Wed, Jan 21 - Sun, Jan 25
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
$448United Airlines
Sun, Feb 22 - Fri, Feb 27
ANA Logo
12:40 pm - 4:35 pm
GMP
-
SFO
19h 55m1 stop
ANA Logo
1:45 am - 10:20 pm
SFO
-
GMP
28h 35m1 stop
$871ANA
Thu, May 7 - Sun, May 10
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
$876ANA
Tue, Feb 3 - Mon, Feb 9
EVA Air Logo
8:20 pm - 6:45 am
GMP
-
SFO
26h 25m1 stop
EVA Air Logo
12:30 pm - 12:50 pm
SFO
-
GMP
32h 20m1 stop
$885EVA Air
Wed, May 6 - Wed, May 27

United Airlines flights from Seoul to San Francisco

Our best United Airlines deals on Seoul to San Francisco flight tickets
United Airlines
Jan 28
ICN12:45 pmIncheon Intl
10h 45m
SFO6:30 amSan Francisco
Feb 16
SFO10:30 amSan Francisco
12h 45m
ICN4:15 pmIncheon Intl
$446
Find similar
United Airlines
Dec 26
ICN12:45 pmIncheon Intl
10h 45m
SFO6:30 amSan Francisco
Mar 23
SFO11:45 pmSan Francisco
12h 55m
ICN4:40 amIncheon Intl
$447
Find similar
United Airlines
Feb 22
ICN12:45 pmIncheon Intl
10h 45m
SFO6:30 amSan Francisco
Feb 27
SFO10:30 amSan Francisco
12h 45m
ICN4:15 pmIncheon Intl
$448
Find similar

American Airlines flights from Seoul to San Francisco

Our best American Airlines deals on Seoul to San Francisco flight tickets
American Airlines
Feb 11
ICN7:15 pmIncheon Intl
19h 22m
1 stop
SFO9:37 pmSan Francisco
Feb 22
SFO6:06 pmSan Francisco
29h 39m
1 stop
ICN4:45 pmIncheon Intl
$492
Find similar
American Airlines
Mar 11
ICN5:55 pmIncheon Intl
20h 11m
1 stop
SFO10:06 pmSan Francisco
Apr 1
SFO12:46 pmSan Francisco
34h 44m
2 stops
ICN3:30 pmIncheon Intl
$493
Find similar
American Airlines
Feb 11
ICN7:15 pmIncheon Intl
19h 22m
1 stop
SFO9:37 pmSan Francisco
Feb 12
SFO11:59 pmSan Francisco
23h 46m
1 stop
ICN4:45 pmIncheon Intl
$501
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 December 23, 2025.
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

5:55 pm-12:20 pm

1 stop35h 25m

San Francisco

Fri 2/6

7:30 am-5:10 pm

1 stop16h 40m

$415

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Wed 2/4

5:55 pm-12:20 pm

1 stop35h 25m

San Francisco

Wed 2/11

11:20 am-4:00 pm

1 stop35h 40m

$430

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Wed 1/21

5:55 pm-12:20 pm

1 stop35h 25m

San Francisco

Sun 1/25

6:00 pm-5:10 pm

1 stop30h 10m

$444

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Wed 1/21

5:55 pm-3:35 pm

1 stop14h 40m

San Francisco

Wed 1/28

7:30 am-5:10 pm

1 stop16h 40m

$445

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Wed 1/28

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Mon 2/16

10:30 am-4:15 pm

Nonstop12h 45m

$446

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Wed 1/21

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Sun 1/25

11:45 pm-5:40 am

Nonstop12h 55m

$447

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 2/22

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Fri 2/27

10:30 am-4:15 pm

Nonstop12h 45m

$448

SeoulSan Francisco

GMP - SFO

GMPSFO

Seoul Gimpo Intl

Thu 5/7

12:40 pm-4:35 pm

1 stop19h 55m

San Francisco

Sun 5/10

1:45 am-10:20 pm

1 stop28h 35m

$871

SeoulSan Francisco

GMP - SFO

GMPSFO

Seoul Gimpo Intl

Tue 2/3

7:45 am-3:20 pm

1 stop24h 35m

San Francisco

Mon 2/9

12:20 am-11:20 am

1 stop18h 00m

$876

SeoulSan Francisco

GMP - SFO

GMPSFO

Seoul Gimpo Intl

Wed 5/6

8:20 pm-6:45 am

1 stop26h 25m

San Francisco

Wed 5/27

12:30 pm-12:50 pm

1 stop32h 20m

$885

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $513.

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 $674. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $776.

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 $762.

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 $670 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 $556 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 December 2025, prices for Seoul to San Francisco flights are approximately 27% 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

$346

Fastest flight time

10h 10m

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 $346. The best round-trip flight deal from Seoul to San Francisco found on momondo in the last 72 hours is $524.
The fastest flight from Seoul to San Francisco takes 10h 10m
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 10m.

  • 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
10,551 reviews
Search Air Canada flights
United AirlinesPriceFrom $415Free CancellationRating
7.4
9,105 reviews
Search United Airlines flights
Korean AirPriceFrom $448Free CancellationRating
8.4
1,185 reviews
Search Korean Air flights
Asiana AirlinesPriceFrom $450Free CancellationRating
8.2
496 reviews
Search Asiana Airlines flights
AIR PREMIAPriceFrom $481Free CancellationRating
8.3
72 reviews
Search AIR PREMIA flights
DeltaPriceFrom $595Free CancellationRating
7.9
8,014 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 1,185 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, 72 ratings). AIR PREMIA flies from Seoul to San Francisco around 5 times per week, with deals starting from $481 round-trip and rising to an average price of around $662.

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
Berkeley
Santa Clara
Walnut Creek
Fremont
Daly City
Half Moon Bay
Vallejo
Salinas
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.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 1/22
Thu 1/29
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States