Cheap flights from Seoul to San Francisco from $298

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 11/21. 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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United Airlines Logo
6:00 pm - 11:35 amICN-SFO
10h 35mnonstop
United Airlines Logo
11:45 pm - 4:40 amSFO-ICN
12h 55mnonstop
$450United Airlines
Find Deal
Wed, Dec 10 - Mon, Mar 16
Air Canada Logo
5:55 pm - 8:34 pmICN-SFO
19h 39m1 stop
Air Canada Logo
7:30 am - 5:10 pmSFO-ICN
16h 40m1 stop
$451Air Canada
Find Deal
Wed, Dec 3 - Wed, Dec 10
AIR PREMIA Logo
6:55 pm - 12:30 pmICN-SFO
10h 35mnonstop
AIR PREMIA Logo
2:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
$452AIR PREMIA
Find Deal
Sun, Nov 23 - Fri, Nov 28
AIR PREMIA Logo
6:55 pm - 12:30 pmICN-SFO
10h 35mnonstop
AIR PREMIA Logo
2:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
$453AIR PREMIA
Find Deal
Mon, Nov 24 - Fri, Nov 28
United Airlines Logo
12:45 pm - 6:30 amICN-SFO
10h 45mnonstop
United Airlines Logo
11:45 pm - 5:40 amSFO-ICN
12h 55mnonstop
$454United Airlines
Find Deal
Fri, Dec 26 - Sun, Feb 22
Air Canada Logo
5:55 pm - 5:29 pmICN-SFO
40h 34m2 stops
Air Canada Logo
8:33 am - 4:00 pmSFO-ICN
38h 27m2 stops
$457Air Canada
Find Deal
Sun, Dec 7 - Fri, Jan 9
ANA Logo
7:45 am - 9:15 amGMP-SFO
18h 30m1 stop
ANA Logo
11:15 am - 10:30 pmSFO-GMP
18h 15m2 stops
$891ANA
Find Deal
Mon, Nov 24 - Fri, Nov 28
ANA Logo
7:45 am - 3:20 pmGMP-SFO
24h 35m1 stop
ANA Logo
11:00 am - 10:30 pmSFO-GMP
18h 30m1 stop
$902ANA
Find Deal
Mon, Nov 24 - Fri, Nov 28
EVA Air Logo
1:50 pm - 6:30 amGMP-SFO
33h 40m1 stop
EVA Air Logo
12:00 pm - 12:50 pmSFO-GMP
31h 50m1 stop
$922EVA Air
Find Deal
Sat, Dec 6 - Wed, Dec 10
EVA Air Logo
7:00 pm - 6:30 amGMP-SFO
28h 30m1 stop
EVA Air Logo
12:00 pm - 12:50 pmSFO-GMP
31h 50m1 stop
$1,134EVA Air
Find Deal
Tue, Jan 13 - Thu, Jan 22

United Airlines flights from Seoul to San Francisco

Our best United Airlines deals on Seoul to San Francisco flight tickets
United Airlines
Dec 10
ICN6:00 pmIncheon Intl
10h 35m
SFO11:35 amSan Francisco
Mar 16
SFO11:45 pmSan Francisco
12h 55m
ICN4:40 amIncheon Intl
United Airlines
Dec 26
ICN12:45 pmIncheon Intl
10h 45m
SFO6:30 amSan Francisco
Feb 22
SFO11:45 pmSan Francisco
12h 55m
ICN5:40 amIncheon Intl
United Airlines
Dec 26
ICN12:45 pmIncheon Intl
10h 45m
SFO6:30 amSan Francisco
Jan 4
SFO11:45 pmSan Francisco
12h 55m
ICN5:40 amIncheon Intl

Air Canada flights from Seoul to San Francisco

Our best Air Canada deals on Seoul to San Francisco flight tickets
Air Canada
Dec 3
ICN5:55 pmIncheon Intl
19h 39m
1 stop
SFO8:34 pmSan Francisco
Dec 10
SFO7:30 amSan Francisco
16h 40m
1 stop
ICN5:10 pmIncheon Intl
Air Canada
Nov 12
ICN6:55 pmIncheon Intl
19h 45m
1 stop
SFO9:40 pmSan Francisco
Mar 8
SFO8:40 amSan Francisco
39h 35m
2 stops
ICN4:15 pmIncheon Intl
Air Canada
Nov 12
ICN6:55 pmIncheon Intl
39h 34m
2 stops
SFO5:29 pmSan Francisco
Nov 16
SFO4:20 pmSan Francisco
31h 50m
1 stop
ICN5:10 pmIncheon Intl

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 November 7, 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

Wed 12/10

6:00 pm-11:35 am

Nonstop10h 35m

San Francisco

Mon 3/16

11:45 pm-4:40 am

Nonstop12h 55m

$450

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Wed 12/3

5:55 pm-8:34 pm

1 stop19h 39m

San Francisco

Wed 12/10

7:30 am-5:10 pm

1 stop16h 40m

$451

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 11/23

6:55 pm-12:30 pm

Nonstop10h 35m

San Francisco

Fri 11/28

2:30 pm-8:30 pm

Nonstop13h 00m

$452

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 11/24

6:55 pm-12:30 pm

Nonstop10h 35m

San Francisco

Fri 11/28

2:30 pm-8:30 pm

Nonstop13h 00m

$453

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 12/26

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Sun 2/22

11:45 pm-5:40 am

Nonstop12h 55m

$454

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 12/7

5:55 pm-5:29 pm

2 stops40h 34m

San Francisco

Fri 1/9

8:33 am-4:00 pm

2 stops38h 27m

$457

SeoulSan Francisco

GMP - SFO

GMPSFO

Seoul Gimpo Intl

Mon 11/24

7:45 am-9:15 am

1 stop18h 30m

San Francisco

Fri 11/28

11:15 am-10:30 pm

2 stops18h 15m

$891

SeoulSan Francisco

GMP - SFO

GMPSFO

Seoul Gimpo Intl

Mon 11/24

7:45 am-3:20 pm

1 stop24h 35m

San Francisco

Fri 11/28

11:00 am-10:30 pm

1 stop18h 30m

$902

SeoulSan Francisco

GMP - SFO

GMPSFO

Seoul Gimpo Intl

Sat 12/6

1:50 pm-6:30 am

1 stop33h 40m

San Francisco

Wed 12/10

12:00 pm-12:50 pm

1 stop31h 50m

$922

SeoulSan Francisco

GMP - SFO

GMPSFO

Seoul Gimpo Intl

Tue 1/13

7:00 pm-6:30 am

1 stop28h 30m

San Francisco

Thu 1/22

12:00 pm-12:50 pm

1 stop31h 50m

$1,134

Flights are sorted by cheapest round-trip flights 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 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 $702. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $795.

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 $790.

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 $688 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 $574 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?

No. A direct flight is the cheapest option for a flight between Seoul to San Francisco.

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

As of November 2025, prices for Seoul to San Francisco flights are approximately 30% 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

$314

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 $314. The best round-trip flight deal from Seoul to San Francisco found on momondo in the last 72 hours is $491.
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 near San Francisco: San Francisco (SFO)
  • 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 35m.

  • 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
10,416 reviews
Search Air Canada flights
United AirlinesPriceFrom $421Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $450Free CancellationRating
8.2
485 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $462Free CancellationRating
8.4
1,160 reviews
Search Korean Air flights
AIR PREMIAPriceFrom $481Free CancellationRating
8.3
66 reviews
Search AIR PREMIA flights
DeltaPriceFrom $595Free CancellationRating
7.9
8,001 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 1,160 momondo users rating the airline 8.4/10. The cheapest Korean Air deal from Seoul to San Francisco in the last 72 hours was $462 (round-trip), much lower than the average airfare cost of $630 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, 66 ratings). AIR PREMIA flies from Seoul to San Francisco around 4 times per week, with deals starting from $481 round-trip and rising to an average price of around $656.

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
Calistoga
Hayward
Big Sur
Santa Clara
Daly City
Fremont
Berkeley
Vallejo
Walnut Creek
Half Moon Bay
Salinas
Livermore
Turlock
South San Francisco

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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1 adult
Sun 12/7
Sun 12/14

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