Which airline has the best punctuality record on South Korea to San Francisco flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

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

United Airlines and EVA Air are the most popular carriers operating from South Korea to San Francisco

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

67 flights are operational weekly from South Korea to San Francisco as of December 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

How long does it take to fly to San Francisco?

Flight times from South Korea 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 10m on average. Another popular route from South Korea to San Francisco is flying from Daegu to San Francisco, which will take roughly 17h 30m. Keep in mind that layovers or delays could extend your travel time.

What is the most punctual flight time for South Korea to San Francisco flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What airlines fly to San Francisco?

Asiana Airlines, United Airlines and AIR PREMIA are the top three most popular airlines that fly to San Francisco from South Korea according to our data. Asiana Airlines is the first choice among our users, with 34% 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.

How often are flights from South Korea to San Francisco delayed?

Historically, on average around 24% of flights between South Korea and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 157 minutes.

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

The number of flights available between South Korea and San Francisco is 9 per day as of December 2025. The most frequent departure time is 8:00PM, with 58% of daily flights leaving in the evening.

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

Prices for flights from South Korea to San Francisco Airport were last updated today.

How many operators does momondo search for flights from South Korea to San Francisco Airport?

As of December 2025, there are 6 operators available to choose from for flights from South Korea to San Francisco Airport.

How old do you have to be to fly from South Korea to San Francisco Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Korea to San Francisco Airport.

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

The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$316 Cheap Flights from South Korea to San Francisco in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from South Korea to San Francisco

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from South Korea to San Francisco

Enter your travel dates to find the best prices.

6:55 pm - 3:35 pm

ICN

SFO

13h 40m1 stop

1:20 pm - 5:10 pm

SFO

ICN

34h 50m1 stop

$415Air Canada

Thu, Jan 29 - Thu, Feb 5

5:55 pm - 12:20 pm

ICN

SFO

35h 25m1 stop

11:20 am - 4:00 pm

SFO

ICN

35h 40m1 stop

$430Air Canada

Wed, Feb 4 - Wed, Feb 11

5:55 pm - 3:35 pm

ICN

SFO

14h 40m1 stop

7:30 am - 5:10 pm

SFO

ICN

16h 40m1 stop

$445Air Canada

Wed, Jan 21 - Wed, Jan 28

6:55 pm - 12:20 pm

ICN

SFO

34h 25m1 stop

6:00 pm - 5:10 pm

SFO

ICN

30h 10m1 stop

$449Air Canada

Tue, Jan 20 - Tue, Jan 27

12:00 pm - 3:35 pm

PUS

SFO

20h 35m2 stops

11:20 am - 8:10 am

SFO

PUS

51h 50m2 stops

$454Multiple Airlines

Thu, Feb 5 - Wed, Feb 11

7:00 am - 3:35 pm

PUS

SFO

25h 35m2 stops

7:30 am - 8:45 pm

SFO

PUS

20h 15m2 stops

$525Multiple Airlines

Wed, Feb 4 - Wed, Feb 11

4:00 pm - 2:00 pm

PUS

SFO

15h 00m1 stop

11:50 pm - 3:15 pm

SFO

PUS

22h 25m1 stop

$686Asiana Airlines

Thu, Jan 29 - Thu, Feb 5

7:40 am - 9:30 am

TAE

SFO

18h 50m1 stop

11:40 am - 7:45 pm

SFO

TAE

15h 05m1 stop

$1,141Korean Air

Wed, Feb 4 - Wed, Feb 11

7:40 am - 9:30 am

TAE

SFO

18h 50m1 stop

11:40 am - 7:45 pm

SFO

TAE

15h 05m1 stop

$1,169Korean Air

Wed, Feb 4 - Sun, Feb 8

7:40 am - 10:54 pm

TAE

SFO

32h 14m2 stops

6:45 pm - 7:45 pm

SFO

TAE

32h 00m2 stops

$1,176Delta

Wed, Feb 4 - Wed, Feb 11

Air Canada flights from South Korea to San Francisco

Our best Air Canada deals on South Korea to San Francisco flight tickets

Air Canada

Jan 30

ICN5:55 pmIncheon Intl

35h 25m

1 stop

SFO12:20 pmSan Francisco

Feb 4

SFO6:00 pmSan Francisco

29h 00m

1 stop

ICN4:00 pmIncheon Intl

$415

Find similar

Air Canada

Feb 4

ICN5:55 pmIncheon Intl

35h 25m

1 stop

SFO12:20 pmSan Francisco

Feb 11

SFO11:20 amSan Francisco

35h 40m

1 stop

ICN4:00 pmIncheon Intl

$430

Find similar

Air Canada

Jan 21

ICN5:55 pmIncheon Intl

35h 25m

1 stop

SFO12:20 pmSan Francisco

Jan 25

SFO6:00 pmSan Francisco

30h 10m

1 stop

ICN5:10 pmIncheon Intl

$444

Find similar

United Airlines flights from South Korea to San Francisco

Our best United Airlines deals on South Korea to San Francisco flight tickets

United Airlines

Jan 21

ICN12:45 pmIncheon Intl

10h 45m

SFO6:30 amSan Francisco

Jan 28

SFO11:45 pmSan Francisco

12h 55m

ICN5:40 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

$497

Find similar

United Airlines

Feb 14

ICN6:00 pmIncheon Intl

10h 35m

SFO11:35 amSan Francisco

Feb 15

SFO10:30 amSan Francisco

12h 45m

ICN4:15 pmIncheon Intl

$498

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from South Korea to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Thu 1/29

6:55 pm-3:35 pm

1 stop13h 40m

San Francisco

Thu 2/5

1:20 pm-5:10 pm

1 stop34h 50m

$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-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

Tue 1/20

6:55 pm-12:20 pm

1 stop34h 25m

San Francisco

Tue 1/27

6:00 pm-5:10 pm

1 stop30h 10m

$449

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

Thu 2/5

12:00 pm-3:35 pm

2 stops20h 35m

San Francisco

Wed 2/11

11:20 am-8:10 am

2 stops51h 50m

$454

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

Wed 2/4

7:00 am-3:35 pm

2 stops25h 35m

San Francisco

Wed 2/11

7:30 am-8:45 pm

2 stops20h 15m

$525

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

Thu 1/29

4:00 pm-2:00 pm

1 stop15h 00m

San Francisco

Thu 2/5

11:50 pm-3:15 pm

1 stop22h 25m

$686

DaeguSan Francisco

TAE - SFO

TAESFO

Daegu

Wed 2/4

7:40 am-9:30 am

1 stop18h 50m

San Francisco

Wed 2/11

11:40 am-7:45 pm

1 stop15h 05m

$1,141

DaeguSan Francisco

TAE - SFO

TAESFO

Daegu

Wed 2/4

7:40 am-9:30 am

1 stop18h 50m

San Francisco

Sun 2/8

11:40 am-7:45 pm

1 stop15h 05m

$1,169

DaeguSan Francisco

TAE - SFO

TAESFO

Daegu

Wed 2/4

7:40 am-10:54 pm

2 stops32h 14m

San Francisco

Wed 2/11

6:45 pm-7:45 pm

2 stops32h 00m

$1,176

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from South Korea 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

Delays

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 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 South Korea to San Francisco is on a Wednesday when prices can be found for as low as $678. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $779.

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

Our data shows that the cheapest South Korea 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 $766.

What is the cheapest South Korea to San Francisco flight route?

Fly from Incheon Intl to San Francisco for the best South Korea - 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 South Korea 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 South Korea for as low as $556 on momondo.

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

There are 4 cabin classes available to choose from on South Korea to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap South Korea to San Francisco flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from South Korea 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 South Korea in the past 72 hours is $346. The best round-trip flight deal from South Korea to San Francisco found on momondo in the last 72 hours is $524.

The fastest flight from South Korea to San Francisco takes 10h 10m

Direct flights go from South Korea to San Francisco every day.

There is 1 airport in San Francisco. From South Korea there are direct flights to San Francisco (SFO).

Search flight deals

When did momondo last update prices for flights from South Korea to San Francisco Airport?
Prices for flights from South Korea to San Francisco Airport were last updated today.
How many operators does momondo search for flights from South Korea to San Francisco Airport?
As of December 2025, there are 6 operators available to choose from for flights from South Korea to San Francisco Airport.
How old do you have to be to fly from South Korea to San Francisco Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from South Korea to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The required travel and health documents for your San Francisco Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Francisco Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from South Korea to San Francisco?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from South Korea to San Francisco is Boeing 787-9 Dreamliner (41.56% of total bookings). The next most popular plane models are Boeing 787-10 Dreamliner (24.71%), Airbus A350-900 (16.30%), and Boeing 777-300ER (8.38%).

Best airlines flying from South Korea to San Francisco

Compare and see reviews for airlines that fly from South Korea to San Francisco with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom $381	Free Cancellation	Rating 7.1 10,551 reviews	Search Air Canada flights
United Airlines	PriceFrom $415	Free Cancellation	Rating 7.4 9,105 reviews	Search United Airlines flights
Korean Air	PriceFrom $448	Free Cancellation	Rating 8.4 1,185 reviews	Search Korean Air flights
Asiana Airlines	PriceFrom $450	Free Cancellation	Rating 8.2 496 reviews	Search Asiana Airlines flights
AIR PREMIA	PriceFrom $481	Free Cancellation	Rating 8.3 72 reviews	Search AIR PREMIA flights
Delta	PriceFrom $595	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights

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 South Korea to San Francisco?

Finding the right flight to San Francisco from South Korea is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Francisco quick and easy, saving you time and money.

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

All flight searches from South Korea to San Francisco on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to San Francisco from South Korea. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to San Francisco from South Korea are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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

Wed 1/21

Wed 1/28

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Airports servicing California

Popular cities in the United States

Flights to New Yorkfrom $45

Flights to Los Angelesfrom $38

Flights to Miamifrom $49

Flights to Chicagofrom $44

Flights to Orlandofrom $29

Flights to Las Vegasfrom $39

Flights to Washington, D.C.from $58

Flights to Bostonfrom $50

Flights to Atlantafrom $46

Flights to Dallasfrom $51

Flights to Seattlefrom $62

Flights to Denverfrom $38

Cheap flights from South Korea 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 South Korea 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.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from South Korea to San Francisco

Recent round-trip flight deals from South Korea to San Francisco

Recent one-way flight deals from South Korea to San Francisco

Recent last minute flight deals from South Korea to San Francisco

Recent direct flight deals from South Korea to San Francisco

Air Canada flights from South Korea to San Francisco

Our best Air Canada deals on South Korea to San Francisco flight tickets

United Airlines flights from South Korea to San Francisco

Our best United Airlines deals on South Korea to San Francisco flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from South Korea to San Francisco that are best for you.

See travel insights to San Francisco from

How to get the cheapest flight ticket from South Korea to 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 South Korea to San Francisco is on a Wednesday when prices can be found for as low as $678. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $779.

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

Our data shows that the cheapest South Korea 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 $766.

What is the cheapest South Korea to San Francisco flight route?

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

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

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

There are 4 cabin classes available to choose from on South Korea to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

United Airlines and EVA Air are the most popular carriers operating from South Korea to San Francisco

What airlines fly to San Francisco?

How often are flights from South Korea to San Francisco delayed?

Historically, on average around 24% of flights between South Korea and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 157 minutes.

What is the most punctual flight time for South Korea to San Francisco flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on South Korea to San Francisco flights?

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

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

The number of flights available between South Korea and San Francisco is 9 per day as of December 2025. The most frequent departure time is 8:00PM, with 58% of daily flights leaving in the evening.

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

67 flights are operational weekly from South Korea to San Francisco as of December 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

How long does it take to fly to San Francisco?

Cheap South Korea to San Francisco flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in San Francisco

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

How many operators does momondo search for flights from South Korea to San Francisco Airport?

How old do you have to be to fly from South Korea 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 South Korea to San Francisco?

Best airlines flying from South Korea to San Francisco

Compare and see reviews for airlines that fly from South Korea to San Francisco with momondo

Traveling to a place near San Francisco?

Why use momondo?

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

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

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

I’m not ready to book a flight from South Korea 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