$327+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from South Korea to San Francisco with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from South Korea to San Francisco
Cheapest flights from South Korea to San FranciscoExplore 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 January 29, 2026.
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 January 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia deal was found by Cheapflights users on 1/26. 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.
This WhyPayMore deal was found by Cheapflights users on 1/28. 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.
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate deal was found by Cheapflights users on 1/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This WhyPayMore deal was found by Cheapflights users on 1/28. 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.
This China Airlines deal was found by Cheapflights users on 1/27. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 January 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $403 (American Airlines) |
One-way from | $327 (FlightHub) |
Popular in | August |
Cheapest in | November |
Average price | $784 |
Good round-trip deal | $506 or less |
Good one-way deal | $349 or less |
Cheapflights 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
Wed 4/29
11:30 am-6:15 am
Nonstop10h 45m
San Francisco
Mon 5/11
11:40 pm-4:20 am
Nonstop12h 40m
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Mon 2/16
6:00 pm-11:35 am
Nonstop10h 35m
San Francisco
Wed 2/25
10:30 am-4:15 pm
Nonstop12h 45m
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Sun 2/15
8:35 pm-11:59 pm
1 stop20h 24m
San Francisco
Sat 2/28
5:20 pm-6:35 pm
2 stops32h 15m
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Fri 2/20
8:35 pm-8:36 pm
1 stop17h 01m
San Francisco
Sat 2/28
6:00 am-6:35 pm
2 stops43h 35m
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Fri 3/13
8:35 pm-10:56 pm
1 stop18h 21m
San Francisco
Fri 9/11
8:20 am-5:30 pm
1 stop17h 10m
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Sun 3/22
6:55 pm-1:30 pm
Nonstop10h 35m
San Francisco
Fri 4/10
3:30 pm-8:30 pm
Nonstop13h 00m
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Wed 4/29
6:20 pm-1:00 pm
Nonstop10h 40m
San Francisco
Wed 5/13
3:30 pm-8:30 pm
Nonstop13h 00m
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Fri 3/20
6:55 pm-1:30 pm
Nonstop10h 35m
San Francisco
Mon 3/23
3:30 pm-8:30 pm
Nonstop13h 00m
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Mon 2/23
8:35 pm-4:44 pm
2 stops37h 09m
San Francisco
Fri 2/27
7:28 pm-6:35 pm
1 stop30h 07m
IncheonSan Francisco
ICN - SFO
ICNSFO
Incheon Intl
Thu 4/2
8:35 pm-10:52 pm
2 stops18h 17m
San Francisco
Thu 7/9
6:00 am-5:30 pm
1 stop19h 30m
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.
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 $361). Flying from South Korea to San Francisco in August is currently the most expensive (average of $631). 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 January 29, 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 14% 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 January 24, 2026.
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 January 29, 2026.
The most flights from KR0 to SFO are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 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 150 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 16% 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 January 29, 2026.
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.
Boarding
Comfort
Crew
Entertainment
Overall
Food
Reviews
Jacqueline,Aug 2025
ICN - SEA
Boarding
Comfort
Crew
Entertainment
Overall
Food
Reviews
Jacqueline,Aug 2025
ICN - SEA
Boarding
Comfort
Crew
Entertainment
Overall
Food
Reviews
Jacqueline,Aug 2025
ICN - SEA
Boarding
Comfort
Crew
Entertainment
Overall
Food
Reviews
Jacqueline,Aug 2025
ICN - SEA
Boarding
Comfort
Crew
Entertainment
Overall
Food
Reviews
Jacqueline,Aug 2025
ICN - SEA
Boarding
Comfort
Crew
Entertainment
Overall
Food
Reviews
Jacqueline,Aug 2025
ICN - SEA
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.
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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.
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 January 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$381 | Average$524 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$417 | Average$518 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$447 | Average$589 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$448 | Average$623 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$480 | Average$662 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$595 | Average$749 | FlexibilityNo cancel fee | On-timeN/A |