What is the cheapest airline that flies from Seoul to San Francisco?

ZIPAIR, AIR PREMIA, and United Airlines are the most popular carriers operating from Seoul to San Francisco

How many flights depart from Seoul to San Francisco on average per day?

As of July 2025, there are 10 flights per day flying from Seoul to San Francisco. The most common time of day flights depart is 8:00PM, with 44% of flights taking off in the evening.

How long does it take to fly to San Francisco?

Flight times from Seoul to San Francisco vary, but if you’re flying out of Incheon and flying into San Francisco (one of the most popular routes), then the duration is 10h 05m on average. Another popular route from Seoul to San Francisco is flying from Seoul to San Francisco, which will take roughly 17h 50m. Keep in mind that layovers or delays could extend your travel time.

How many flights depart from Seoul to San Francisco on average per week?

The number of flights available between Seoul and San Francisco is 75 per week as of July 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

What airlines fly to San Francisco?

Asiana Airlines, AIR PREMIA and United Airlines are the top three most popular airlines that fly to San Francisco from Seoul according to our data. Asiana Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 6 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

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?

As of July 2025, there are 6 operators available to choose from 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.

$346 Cheap Flights from Seoul to San Francisco in 2025

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5:45 pm - 10:28 amICN-SFO

32h 43m1 stop

1:20 pm - 5:10 pmSFO-ICN

34h 50m1 stop

$388Air Canada

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Tue, Sep 23 - Mon, Dec 29

5:45 pm - 10:28 amICN-SFO

32h 43m1 stop

4:35 pm - 4:05 pmSFO-ICN

31h 30m1 stop

$400Air Canada

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Fri, Sep 12 - Thu, Sep 18

5:45 pm - 3:28 pmICN-SFO

13h 43m1 stop

6:00 pm - 5:10 pmSFO-ICN

30h 10m1 stop

$410Air Canada

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Wed, Sep 24 - Tue, Dec 30

5:45 pm - 3:28 pmICN-SFO

13h 43m1 stop

9:01 pm - 4:05 pmSFO-ICN

27h 04m1 stop

$414Air Canada

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Wed, Sep 17 - Sun, Sep 21

6:55 pm - 8:34 pmICN-SFO

18h 39m1 stop

7:30 am - 10:50 pmSFO-ICN

22h 20m2 stops

$464

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Tue, Nov 4 - Fri, Dec 5

5:55 pm - 3:35 pmICN-SFO

13h 40m1 stop

7:30 am - 10:50 pmSFO-ICN

22h 20m2 stops

$502

Find Deal

Thu, Oct 30 - Tue, Dec 9

12:40 pm - 4:55 pmGMP-SFO

20h 15m1 stop

1:20 am - 11:05 amSFO-GMP

17h 45m1 stop

$846ANA

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Wed, Aug 27 - Tue, Sep 2

7:40 am - 4:30 pmGMP-SFO

24h 50m1 stop

12:20 am - 11:20 amSFO-GMP

18h 00m1 stop

$847ANA

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Tue, Sep 23 - Mon, Dec 29

1:50 pm - 8:00 pmGMP-SFO

22h 10m1 stop

12:30 pm - 12:50 pmSFO-GMP

32h 20m1 stop

$860EVA Air

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Sat, Sep 27 - Wed, Oct 1

8:20 pm - 6:50 amGMP-SFO

26h 30m1 stop

12:40 am - 7:15 pmSFO-GMP

26h 35m1 stop

$862EVA Air

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Wed, Oct 22 - Mon, Oct 27

EVA Air flights from Seoul to San Francisco

Our best EVA Air deals on Seoul to San Francisco flight tickets

EVA Air

Sep 27

GMP1:50 pmSeoul Gimpo Intl

22h 10m

1 stop

SFO8:00 pmSan Francisco

Oct 1

SFO12:30 pmSan Francisco

32h 20m

1 stop

GMP12:50 pmSeoul Gimpo Intl

$860

Find similar

EVA Air

Oct 22

GMP8:20 pmSeoul Gimpo Intl

26h 30m

1 stop

SFO6:50 amSan Francisco

Oct 27

SFO12:40 amSan Francisco

26h 35m

1 stop

GMP7:15 pmSeoul Gimpo Intl

$862

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EVA Air

Sep 23

GMP7:15 pmSeoul Gimpo Intl

36h 45m

1 stop

SFO4:00 pmSan Francisco

Sep 25

SFO1:00 pmSan Francisco

31h 50m

1 stop

GMP12:50 pmSeoul Gimpo Intl

$864

Find similar

ANA flights from Seoul to San Francisco

Our best ANA deals on Seoul to San Francisco flight tickets

ANA

Aug 27

GMP12:40 pmSeoul Gimpo Intl

20h 15m

1 stop

SFO4:55 pmSan Francisco

Sep 2

SFO1:20 amSan Francisco

17h 45m

1 stop

GMP11:05 amSeoul Gimpo Intl

$846

Find similar

ANA

Sep 23

GMP7:40 amSeoul Gimpo Intl

24h 50m

1 stop

SFO4:30 pmSan Francisco

Dec 29

SFO12:20 amSan Francisco

18h 00m

1 stop

GMP11:20 amSeoul Gimpo Intl

$847

Find similar

ANA

Aug 25

GMP7:40 amSeoul Gimpo Intl

19h 15m

1 stop

SFO10:55 amSan Francisco

Sep 2

SFO1:20 amSan Francisco

17h 45m

1 stop

GMP11:05 amSeoul Gimpo Intl

$858

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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

Prices

Airlines

Other information

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 March is also cheap. Prices for this month can be found on momondo for an average of $582.

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 $737. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $923.

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 $837.

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 $737 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 $667 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 July 2025, prices for Seoul to San Francisco flights are approximately 46% 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 40m
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 $388.

The fastest flight from Seoul to San Francisco takes 10h 40m

Direct flights go from Seoul to San Francisco every day.

There is 1 airport near San Francisco: 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 13h 40m.
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?
As of July 2025, there are 6 operators available to choose from 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?
Based on momondo bookings for flights between Seoul and San Francisco, the leading plane model is Boeing 787-9 Dreamliner, making up 41.41% of the total bookings. Other popular models include Boeing 777-300ER with 32.94%, Airbus A350-900 with 19.34%, and Airbus A380-800 with 3.33%.
What is the most popular airline from Seoul to San Francisco?
Based on momondo bookings for flights between Seoul and San Francisco, the leading airline is AIR PREMIA, making up 29% of the total bookings. Other popular airlines include Asiana Airlines with 28%, United Airlines with 21%, and Korean Air with 14%.

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
Asiana Airlines	PriceFrom $456	Free Cancellation	Rating 8.2 454 reviews	Search Asiana Airlines flights
Korean Air	PriceFrom $462	Free Cancellation	Rating 8.4 1,105 reviews	Search Korean Air flights
Air Canada	PriceFrom $463	Free Cancellation	Rating 7.1 9,695 reviews	Search Air Canada flights
United Airlines	PriceFrom $481	Free Cancellation	Rating 7.4 8,846 reviews	Search United Airlines flights
AIR PREMIA	PriceFrom $498	Free Cancellation	Rating 8.2 57 reviews	Search AIR PREMIA flights
Delta	PriceFrom $711	Free Cancellation	Rating 8.0 7,951 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 1,105 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 $724 for Korean Air flights on this route.
Asiana Airlines Flights From Seoul to San Francisco
Another popular option for Seoul to San Francisco flights is Asiana Airlines (8.2/10, 454 ratings). Asiana Airlines flies from Seoul to San Francisco around 21 times per week, with deals starting from $456 round-trip and rising to an average price of around $705.

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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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Cheap flights from Seoul to San Francisco from $346

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 10/14. 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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Find the cheapest flights from Seoul to San Francisco

Cheap round-trip flights

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EVA Air flights from Seoul to San Francisco

Our best EVA Air deals on Seoul to San Francisco flight tickets

ANA flights from Seoul to San Francisco

Our best ANA deals on Seoul to San Francisco flight tickets

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 March is also cheap. Prices for this month can be found on momondo for an average of $582.

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 $737. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $923.

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 $837.

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?

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 July 2025, prices for Seoul to San Francisco flights are approximately 46% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Seoul to San Francisco?

ZIPAIR, AIR PREMIA, and United Airlines are the most popular carriers operating from Seoul to San Francisco

What airlines fly to San Francisco?

How many flights depart from Seoul to San Francisco on average per day?

As of July 2025, there are 10 flights per day flying from Seoul to San Francisco. The most common time of day flights depart is 8:00PM, with 44% of flights taking off in the evening.

How many flights depart from Seoul to San Francisco on average per week?

The number of flights available between Seoul and San Francisco is 75 per week as of July 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

How long does it take to fly to San Francisco?

When to book flights from Seoul to San Francisco

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

Fastest flight time

Direct flights

Airports in San Francisco

How far is Seoul to San Francisco by plane?

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

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?

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

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

Korean Air Flights From Seoul to San Francisco

Asiana Airlines Flights From Seoul to San Francisco

Traveling to a place near San Francisco?

Why use momondo?

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

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

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

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

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California