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$298+ Cheap flights from South Korea to San Francisco (SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SFO
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from South Korea to San Francisco

Cheapest flights from South Korea to San Francisco
Explore the most affordable flight options available from South Korea to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

This WhyPayMore deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/218:35 pmICN - SFO
1 stop16h 42mHawaiian Airlines
Thu 12/254:42 pmSFO - ICN
1 stop32h 53mHawaiian Airlines
Deal found 12/14$477
This Hanatour deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hanatour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:35 pmICN - SFO
1 stop19h 28mHawaiian Airlines
Thu 1/87:00 amSFO - ICN
1 stop18h 35mHawaiian Airlines
Deal found 12/15$478
This Alaska Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/158:35 pmICN - SFO
1 stop20h 24mMultiple Airlines
Fri 1/29:41 pmSFO - ICN
1 stop27h 54mMultiple Airlines
Deal found 12/14$481
This Expedia deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:35 pmICN - SFO
1 stop19h 19mMultiple Airlines
Sat 1/107:00 amSFO - ICN
1 stop18h 35mMultiple Airlines
Deal found 12/13$490
This Air Canada deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2011:50 amICN - SFO
2 stops20h 45mMultiple Airlines
Tue 1/67:30 amSFO - ICN
1 stop15h 30mMultiple Airlines
Deal found 12/15$494
This Orbitz deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:35 pmICN - SFO
1 stop16h 42mMultiple Airlines
Fri 12/269:41 pmSFO - ICN
1 stop27h 54mMultiple Airlines
Deal found 12/14$497
This United Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:45 pmICN - SFO
Nonstop10h 45mUnited Airlines
Sat 1/311:45 pmSFO - ICN
Nonstop12h 55mUnited Airlines
Deal found 12/14$498
This United Airlines deal was found by Cheapflights users on 12/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2012:45 pmICN - SFO
Nonstop10h 45mUnited Airlines
Mon 12/2911:45 pmSFO - ICN
Nonstop12h 55mUnited Airlines
Deal found 12/12$499
This Kiwi.com deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/218:35 pmICN - SFO
1 stop18h 06mMultiple Airlines
Thu 1/87:00 amSFO - ICN
1 stop18h 35mMultiple Airlines
Deal found 12/13$508
This Kiwi.com deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:45 pmCJJ - SFO
1 stop23h 45mMultiple Airlines
Sat 1/32:30 pmSFO - CJJ
2 stops50h 20mMultiple Airlines
Deal found 12/15$1,201
This WhyPayMore deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/298:00 amGMP - SFO
1 stop19h 15mJapan Airlines
Thu 1/1512:55 pmSFO - GMP
1 stop16h 10mJapan Airlines
Deal found 12/14$1,229
This WhyPayMore deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2412:25 pmGMP - SFO
1 stop19h 55mANA
Tue 1/612:20 amSFO - GMP
1 stop25h 15mANA
Deal found 12/13$1,265

Find flight deals from South Korea to San Francisco

Keep the following information in mind while searching for South Korea to San Francisco flight deals. Data was last updated December 15, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$413
(Hanatour)

One-way from

$298
(SmartFares)

Popular in

August

Cheapest in

November

Average price

$580

Good round-trip deal

$526 or less

Good one-way deal

$332 or less
Provider with most accurate pricing for Seoul (SEL)-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-San Francisco flights.
Search Deals
From South Korea to San Francisco
Search Deals
One-way flight from South Korea to San Francisco
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from South Korea to San Francisco.
Search Deals
Price to beat on a one-way flight from South Korea to San Francisco.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Korea 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, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from South Korea to San Francisco that are best for you.

Fly from

South Korea

Fly to

San Francisco

Route

Depart

Return

Price

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 1/30

6:00 pm-11:35 am

Nonstop10h 35m

San Francisco

Sun 2/1

11:45 pm-5:40 am

Nonstop12h 55m

$498

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 12/26

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Wed 1/7

11:45 pm-5:40 am

Nonstop12h 55m

$498

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 2/20

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Fri 2/27

10:30 am-4:15 pm

Nonstop12h 45m

$498

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 12/26

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Wed 12/31

11:45 pm-5:40 am

Nonstop12h 55m

$499

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 2/22

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Sat 2/28

10:30 am-4:15 pm

Nonstop12h 45m

$555

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 12/26

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Tue 1/6

11:45 pm-5:40 am

Nonstop12h 55m

$561

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 3/6

8:35 pm-8:36 pm

1 stop17h 01m

San Francisco

Wed 3/18

9:10 am-6:35 pm

1 stop17h 25m

$578

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 1/23

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Thu 2/12

11:45 pm-5:40 am

Nonstop12h 55m

$578

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Tue 1/20

6:00 pm-11:35 am

Nonstop10h 35m

San Francisco

Fri 1/23

10:30 am-4:15 pm

Nonstop12h 45m

$578

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 3/1

8:35 pm-7:31 am

2 stops27h 56m

San Francisco

Wed 3/25

4:40 pm-6:35 pm

1 stop33h 55m

$596

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 58 results
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Best time to book a flight from South Korea to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from South Korea with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from South Korea to San Francisco

What is the cheapest month to book a flight from South Korea to San Francisco?

Currently, February is the cheapest month in which you can book a flight from South Korea to San Francisco (average of $377). Flying from South Korea to San Francisco in August is currently the most expensive (average of $633). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KR to SFO?

Find hourly flight availability from South Korea to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 15, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 39% on flights from South Korea to San Francisco by exploring options for tickets at noon.

What is the cheapest day to fly from South Korea to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from South Korea to San Francisco. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their South Korea to San Francisco flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from South Korea to San Francisco

Explore weekly flight availability from South Korea to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 15, 2025.

The most flights from KR0 to SFO are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

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

About 24% of weekly flights between South Korea and San Francisco have experienced delays in the past year, with the average delay time being 157 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

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

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

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

Over the last year, United Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated December 15, 2025.
Read reviews from past customers who have flown Korean Air, AIR PREMIA, and Asiana Airlines from South Korea to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,186 reviews

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,186 reviews
Korean Air
8.4
Very good
1,186 reviews

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
AIR PREMIA
8.3
Very good
72 reviews
Korean Air
8.4
Very good
1,186 reviews

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.2
Very good
493 reviews
Korean Air
8.4
Very good
1,186 reviews

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
United Airlines
7.4
Good
9,092 reviews
Korean Air
8.4
Very good
1,186 reviews

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air Canada
7.1
Good
10,526 reviews
Korean Air
8.4
Very good
1,186 reviews

Boarding

8.5

Crew

8.7

Entertainment

8.2

Comfort

8.3

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from South Korea to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Francisco from South Korea?

    If you book a flight to San Francisco from South Korea, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco.

  • How popular is this South Korea to San Francisco flight route?

    Within the past month, 40 users have taken a look at flights from South Korea to San Francisco.

  • How long is the flight from South Korea to San Francisco?

    Airlines like United Airlines, Philippine Airlines, and ANA fly from South Korea to San Francisco in about 10h 35m. The time it takes to get you to your destination can typically vary by up to 29h. The distance from South Korea to San Francisco is about 5642 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from South Korea to San Francisco one-way?

    The cheapest airlines for a one-way flight from South Korea to San Francisco are Frontier ($85), Delta ($89), and American Airlines ($109).

  • What are the most popular routes from South Korea to San Francisco?

    The most popular route from South Korea to San Francisco is Incheon Intl - San Francisco. You may also consider Seoul Gimpo Intl - San Francisco or Busan Gimhae - San Francisco.

  • What are the most reliable airlines from South Korea to San Francisco?

    Consider AIR PREMIA (91%), Delta (79%) or Korean Air (79%) when booking your flight. These represent the most reliable airlines when flying from South Korea to San Francisco.

  • What are the cheapest flights from South Korea to San Francisco?

    Looking for the cheapest flight from South Korea to San Francisco? While on average our users pay $1,311, our data indicates the cheapest price to be $292. The most popular route (Incheon Intl - San Francisco), is priced around $469.

  • Can I find deals for flights from South Korea to San Francisco that include hotel bookings?

    Yes. In addition to deals on South Korea to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from South Korea to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Korea to San Francisco.

  • Can I find deals for business class flights from South Korea to San Francisco?

    Yes. Cheapflights offers flight deals from South Korea to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from South Korea to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from South Korea to San Francisco (average of $377). Flying from South Korea to San Francisco in August is currently the most expensive (average of $633). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Redwood City
Sunnyvale
Santa Clara
San Bruno
Daly City
San Carlos
Vallejo
Hollister
San Ramon
Foster City
Union City
Davis
Emeryville

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Alternative routes for South Korea to San Francisco

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Top 6 airlines flying from South Korea to San Francisco

Discover the top 6 airlines that operate flights from South Korea to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$381Average$524FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$415Average$539FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$448Average$625FlexibilityNo cancel feeOn-time81%
Asiana AirlinesCheapest$450Average$613FlexibilityNo cancel feeOn-time76%
AIR PREMIACheapest$481Average$640FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$595Average$862FlexibilityNo cancel feeOn-timeN/A

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