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$346+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SFO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$446
(Tourvis)

One-way from

$346
(Kiwi.com)

Popular in

August

Cheapest in

June

Average price

$703

Good round-trip deal

$552 or less

Good one-way deal

$408 or less
From South Korea to San Francisco
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One-way flight from South Korea to San Francisco
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Highest demand for flights based on searches. 14% potential increase in price ($116 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from South Korea to San Francisco.
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Price to beat on a one-way flight from South Korea to San Francisco.
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Find 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 September 11, 2025.

This Flightnetwork deal was found by Cheapflights users on 9/11. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/125:45 pmICN - SFO
1 stop13h 43mAir Canada
Sun 9/2811:35 amSFO - ICN
1 stop36h 30mAir Canada
Deal found 9/11$442
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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 9/158:35 pmICN - SFO
2 stops19h 24mAlaska Airlines
Sat 9/204:52 pmSFO - ICN
1 stop33h 43mAlaska Airlines
Deal found 9/11$443
This Tourvis deal was found by Cheapflights users on 9/10. 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 Tourvis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/118:35 pmICN - SFO
1 stop28h 41mHawaiian Airlines
Sat 10/187:54 pmSFO - ICN
1 stop30h 41mHawaiian Airlines
Deal found 9/10$446
This Hanatour deal was found by Cheapflights users on 9/9. 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 11/149:25 pmICN - SFO
1 stop25h 52mHawaiian Airlines
Tue 11/187:25 amSFO - ICN
1 stop19h 00mHawaiian Airlines
Deal found 9/9$447
This Tourvis deal was found by Cheapflights users on 9/9. 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 Tourvis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/148:35 pmICN - SFO
1 stop18h 06mHawaiian Airlines
Sat 11/228:31 pmSFO - ICN
1 stop29h 04mHawaiian Airlines
Deal found 9/9$448
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 11/199:25 pmICN - SFO
2 stops33h 43mAlaska Airlines
Sun 12/78:40 amSFO - ICN
1 stop16h 55mAlaska Airlines
Deal found 9/11$449
This Tourvis deal was found by Cheapflights users on 9/11. 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 Tourvis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/198:35 pmICN - SFO
1 stop18h 06mHawaiian Airlines
Sat 12/277:31 pmSFO - ICN
1 stop30h 04mHawaiian Airlines
Deal found 9/11$450
This Hanatour deal was found by Cheapflights users on 9/9. 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.
Tue 10/75:45 pmICN - SFO
1 stop13h 43mAir Canada
Sat 10/187:10 amSFO - ICN
1 stop16h 55mAir Canada
Deal found 9/9$451
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 11/158:35 pmICN - SFO
1 stop18h 35mAlaska Airlines
Sun 11/167:25 amSFO - ICN
1 stop19h 00mAlaska Airlines
Deal found 9/10$452
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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 9/158:35 pmICN - SFO
1 stop33h 09mAlaska Airlines
Wed 9/245:12 pmSFO - ICN
2 stops33h 48mAlaska Airlines
Deal found 9/11$453
This WhyPayMore deal was found by Cheapflights users on 9/11. 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.
Sat 12/208:35 pmICN - SFO
1 stop14h 32mHawaiian Airlines
Tue 12/305:42 pmSFO - ICN
1 stop31h 53mHawaiian Airlines
Deal found 9/11$454
This Hanatour deal was found by Cheapflights users on 9/10. 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.
Wed 10/156:20 pmICN - SFO
Nonstop10h 40mAIR PREMIA
Sun 10/193:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Deal found 9/10$455

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 September 11, 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

Sat 12/27

8:35 pm-11:54 pm

1 stop20h 19m

San Francisco

Thu 1/29

6:00 am-6:35 pm

1 stop19h 35m

$466

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 11/21

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Mon 11/24

11:45 pm-5:40 am

Nonstop12h 55m

$467

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 10/31

11:45 am-6:30 am

Nonstop10h 45m

San Francisco

Wed 11/12

10:30 am-4:15 pm

Nonstop12h 45m

$467

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 2/15

6:00 pm-11:35 am

Nonstop10h 35m

San Francisco

Sat 2/21

11:45 pm-5:40 am

Nonstop12h 55m

$468

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 12/21

8:35 pm-12:06 am

2 stops20h 31m

San Francisco

Sun 12/28

7:00 am-6:35 pm

1 stop18h 35m

$529

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Thu 12/25

8:35 pm-6:07 pm

1 stop14h 32m

San Francisco

Wed 1/28

8:00 am-6:35 pm

2 stops17h 35m

$541

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sat 12/20

8:35 pm-6:07 pm

1 stop14h 32m

San Francisco

Tue 12/30

8:53 pm-6:35 pm

2 stops28h 42m

$543

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 11/21

6:55 pm-12:00 pm

Nonstop10h 05m

San Francisco

Sun 11/23

2:30 pm-8:30 pm

Nonstop13h 00m

$564

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 10/31

4:00 pm-10:30 am

Nonstop10h 30m

San Francisco

Fri 11/14

4:37 pm-3:55 pm

1 stop30h 18m

$565

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Wed 10/15

4:00 pm-10:40 am

Nonstop10h 40m

San Francisco

Tue 10/21

4:45 pm-4:40 pm

1 stop31h 55m

$565

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 56 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, January is the cheapest month in which you can book a flight from South Korea to San Francisco (average of $276). Flying from South Korea to San Francisco in June is currently the most expensive (average of $357). 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 September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Korea to San Francisco as you normally would.

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 September 11, 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 (10 on average).

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 September 11, 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
1,139 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

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
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

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
8.2
Very good
62 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

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
479 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

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
8,937 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

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
10,000 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

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 Alaska Airlines, United Airlines, and Korean Air fly from South Korea to San Francisco in about 10h 45m. The time it takes to get you to your destination can typically vary by up to 23h 35m. 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 Asiana Airlines ($359), ZIPAIR ($371), and Alaska Airlines ($387).

  • 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 Asiana Airlines (61%), United Airlines (61%) or Thai Airways (44%) 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 $1,457, our data indicates the cheapest price to be $320. The most popular route (Incheon Intl - San Francisco), is priced around $347.

  • 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, January is the cheapest month in which you can book a flight from South Korea to San Francisco (average of $276). Flying from South Korea to San Francisco in June is currently the most expensive (average of $357). 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
Santa Cruz
Livermore
South San Francisco
Turlock
Antioch
Watsonville
Manteca
Santa Clara
Sunnyvale
Hollister
Vacaville
Foster City
Vallejo
Burlingame
Redwood City
Union City
San Leandro
San Mateo
Lathrop

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Alternative routes for South Korea to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$438Average$614FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$455Average$680FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$462Average$786FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$463Average$524FlexibilityNo cancel feeOn-time67%
AIR PREMIACheapest$495Average$676FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$623Average$769FlexibilityNo cancel feeOn-timeN/A

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