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$299+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SFO
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$402
(Agoda.com)

One-way from

$299
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$781

Good round-trip deal

$490 or less

Good one-way deal

$308 or less
Provider with most accurate pricing for Seoul (SEL)-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Seoul (SEL)-San Francisco flights.
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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 ($109 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 30, 2025.

This Agoda.com deal was found by Cheapflights users on 10/28. 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 Agoda.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:55 pmICN - SFO
1 stop34h 25mAir Canada
Tue 11/186:00 pmSFO - ICN
1 stop30h 10mAir Canada
Deal found 10/28$402
This Hanatour deal was found by Cheapflights users on 10/28. 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.
Sat 12/136:55 pmICN - SFO
1 stop13h 40mAir Canada
Sat 1/106:00 pmSFO - ICN
1 stop30h 10mAir Canada
Deal found 10/28$428
This SmartFares deal was found by Cheapflights users on 10/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:35 pmICN - SFO
1 stop16h 42mAlaska Airlines
Sat 1/37:00 amSFO - ICN
1 stop18h 35mAlaska Airlines
Deal found 10/29$433
This SmartFares deal was found by Cheapflights users on 10/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Mon 12/292:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Deal found 10/28$434
This SmartFares deal was found by Cheapflights users on 10/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Fri 2/132:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Deal found 10/27$435
This WhyPayMore deal was found by Cheapflights users on 10/28. 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.
Fri 10/318:35 pmICN - SFO
1 stop18h 06mHawaiian Airlines
Wed 11/129:00 amSFO - ICN
1 stop16h 35mHawaiian Airlines
Deal found 10/28$438
This Hanatour deal was found by Cheapflights users on 10/28. 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 11/78:35 pmICN - SFO
1 stop19h 06mHawaiian Airlines
Fri 11/148:43 pmSFO - ICN
1 stop28h 52mHawaiian Airlines
Deal found 10/28$439
This Hanatour deal was found by Cheapflights users on 10/28. 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.
Sat 12/208:35 pmICN - SFO
1 stop20h 19mHawaiian Airlines
Wed 12/317:00 amSFO - ICN
1 stop18h 35mHawaiian Airlines
Deal found 10/28$440
This WhyPayMore deal was found by Cheapflights users on 10/28. 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.
Fri 12/268:35 pmICN - SFO
1 stop16h 42mHawaiian Airlines
Sat 1/34:47 pmSFO - ICN
1 stop32h 48mHawaiian Airlines
Deal found 10/28$442
This WhyPayMore deal was found by Cheapflights users on 10/28. 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 1/69:41 pmSFO - ICN
1 stop27h 54mHawaiian Airlines
Deal found 10/28$443
This Trip.com deal was found by Cheapflights users on 10/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:35 pmICN - SFO
1 stop36h 11mHawaiian Airlines
Thu 1/14:42 pmSFO - ICN
1 stop32h 53mHawaiian Airlines
Deal found 10/29$444
This Expedia deal was found by Cheapflights users on 10/30. 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.
Sun 11/238:50 amGMP - SFO
2 stops28h 44mMultiple Airlines
Tue 12/27:30 amSFO - GMP
2 stops37h 40mMultiple Airlines
Deal found 10/30$480

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 October 30, 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

Tue 11/11

6:55 pm-5:29 pm

2 stops39h 34m

San Francisco

Wed 2/4

8:33 am-4:00 pm

2 stops38h 27m

$454

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 1/23

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Wed 3/25

11:45 pm-4:40 am

Nonstop12h 55m

$455

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 11/10

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Mon 11/17

10:30 am-4:15 pm

Nonstop12h 45m

$456

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sat 12/27

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Wed 12/31

10:30 am-4:15 pm

Nonstop12h 45m

$456

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 3/1

6:00 pm-11:35 am

Nonstop10h 35m

San Francisco

Wed 3/25

10:30 am-3:15 pm

Nonstop12h 45m

$457

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 11/10

8:35 pm-11:50 pm

1 stop20h 15m

San Francisco

Sat 11/15

7:24 pm-6:35 pm

2 stops30h 11m

$537

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 11/9

8:35 pm-11:50 pm

1 stop20h 15m

San Francisco

Sat 11/15

7:24 pm-6:35 pm

2 stops30h 11m

$537

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 12/19

8:35 pm-6:07 pm

1 stop14h 32m

San Francisco

Tue 1/6

10:45 pm-6:35 pm

2 stops26h 50m

$538

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sat 12/20

8:35 pm-6:07 pm

1 stop14h 32m

San Francisco

Tue 1/6

10:45 pm-6:35 pm

2 stops26h 50m

$538

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Tue 11/11

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Sat 11/29

10:30 am-4:15 pm

Nonstop12h 45m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 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 $391). 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 October 30, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 40% 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. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 30, 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
1,155 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

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
1,155 reviews
Korean Air
8.4
Very good
1,155 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

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
66 reviews
Korean Air
8.4
Very good
1,155 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

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
483 reviews
Korean Air
8.4
Very good
1,155 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

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
8,999 reviews
Korean Air
8.4
Very good
1,155 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

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
10,375 reviews
Korean Air
8.4
Very good
1,155 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

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 Air Canada, United Airlines, and Delta 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 28h 49m. 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 Hawaiian Airlines ($310), Alaska Airlines ($315), and United Airlines ($315).

  • 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 (66%), United Airlines (66%) or AIR PREMIA (64%) 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 $990, our data indicates the cheapest price to be $292. The most popular route (Incheon Intl - San Francisco), is priced around $434.

  • 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 $391). 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
Watsonville
Sunnyvale
Santa Clara
Antioch
Manteca
Vallejo
Hollister
Vacaville
San Bruno
Foster City
Redwood City
Union City
Fairfield
Burlingame
Lodi

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$381Average$520FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$438Average$561FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$451Average$650FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$462Average$633FlexibilityNo cancel feeOn-time81%
AIR PREMIACheapest$482Average$663FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$595Average$819FlexibilityNo cancel feeOn-timeN/A

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