$379+ Cheap flights from Incheon Intl (ICN) 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
Sep 16 — Sep 231
Round-trip
1 adult, Economy
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Find cheap flights from Incheon Intl 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Incheon Intl to San Francisco are usually found in December or February, booked 66 days in advance, depart on a Wednesday or Tuesday and return on a Monday
Cheap flight deals from Incheon Intl to San Francisco
Cheapest
Best
Last-minute
One-way
Cheapest flights from Incheon Intl to San FranciscoExplore the most affordable flight options available from Incheon Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
Explore the most affordable flight options available from Incheon Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2026.
This WhyPayMore deal was found by Cheapflights users on 8/14. 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.
Wed 10/77:15 pm -
Nonstop11h 00m
Wed 10/215:00 pm -
Nonstop12h 40m
Deal found 8/14![AIR PREMIA logo]()
$653
This WhyPayMore deal was found by Cheapflights users on 8/17. 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 10/167:15 pm -
Nonstop11h 00m
Sun 11/13:20 pm -
Nonstop13h 00m
Deal found 8/17![AIR PREMIA logo]()
$655
This Air Canada deal was found by Cheapflights users on 8/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:45 pm -
2 stops34h 22m
Sat 9/2612:50 pm -
2 stops35h 15m
Deal found 8/13![Air Canada logo]()
$656
This Mytrip deal was found by Cheapflights users on 8/16. 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.
Tue 9/155:45 pm -
1 stop16h 46m
Sat 9/1912:50 pm -
2 stops35h 15m
Deal found 8/16![Air Canada logo]()
$657
This Air Canada deal was found by Cheapflights users on 8/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:00 pm -
2 stops33h 51m
Sun 11/226:30 am -
1 stop17h 40m
Deal found 8/14![Air Canada logo]()
$658
This Super.com deal was found by Cheapflights users on 8/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:00 pm -
Nonstop11h 00m
Sat 9/193:30 pm -
Nonstop12h 40m
Deal found 8/14![AIR PREMIA logo]()
$659
This Air Canada deal was found by Cheapflights users on 8/16. 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.
Tue 8/185:45 pm -
2 stops37h 50m
Sun 9/2012:50 pm -
2 stops35h 15m
Deal found 8/16![Air Canada logo]()
$661
This Air Canada deal was found by Cheapflights users on 8/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:45 pm -
2 stops37h 50m
Sun 9/2012:50 pm -
2 stops35h 15m
Deal found 8/14![Air Canada logo]()
$662
This AirNGo deal was found by Cheapflights users on 8/14. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:45 pm -
2 stops34h 22m
Sun 10/1812:50 pm -
2 stops35h 15m
Deal found 8/14![Air Canada logo]()
$663
This Air Canada deal was found by Cheapflights users on 8/16. 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.
Thu 10/225:45 pm -
2 stops34h 22m
Sat 10/247:35 pm -
1 stop28h 35m
Deal found 8/16![Air Canada logo]()
$666
This Air Canada deal was found by Cheapflights users on 8/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:45 pm -
2 stops34h 22m
Wed 9/168:31 am -
2 stops39h 34m
Deal found 8/13![Air Canada logo]()
$667
Best flights from Incheon Intl to San FranciscoDiscover carefully curated flight deals from Incheon Intl to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
Discover carefully curated flight deals from Incheon Intl to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 17, 2026.
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Wed 10/286:00 pm -
Nonstop10h 30m
Fri 11/2710:20 am -
Nonstop12h 55m
Deal found 8/16![United Airlines logo]()
$673
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:35 pm -
1 stop18h 04m
Sat 9/2612:10 pm -
1 stop37h 20m
Deal found 8/13![Alaska Airlines logo]()
$756
This Philippine Airlines deal was found by Cheapflights users on 8/14. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:20 am -
1 stop30h 10m
Fri 10/91:28 pm -
2 stops24h 32m
Deal found 8/14![Philippine Airlines logo]()
$797
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Sat 9/511:30 am -
Nonstop11h 00m
Sat 9/123:10 pm -
1 stop32h 10m
Deal found 8/14![United Airlines logo]()
$673
This Philippine Airlines deal was found by Cheapflights users on 8/16. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:30 pm -
1 stop40h 40m
Thu 10/157:15 am -
2 stops44h 00m
Deal found 8/16![Philippine Airlines logo]()
$804
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/1412:45 pm -
Nonstop10h 45m
Tue 1/1911:55 pm -
1 stop23h 30m
Deal found 8/13![United Airlines logo]()
$759
This United Airlines deal was found by Cheapflights users on 8/16. 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 12/1912:45 pm -
Nonstop10h 45m
Tue 12/2911:45 pm -
Nonstop12h 55m
Deal found 8/16![United Airlines logo]()
$759
This United Airlines deal was found by Cheapflights users on 8/12. 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.
Tue 9/224:50 pm -
Nonstop10h 50m
Tue 9/292:55 pm -
1 stop32h 25m
Deal found 8/12![United Airlines logo]()
$761
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Thu 11/196:30 pm -
1 stop32h 00m
Mon 11/3011:45 pm -
Nonstop12h 55m
Deal found 8/16![United Airlines logo]()
$776
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Thu 1/1412:45 pm -
Nonstop10h 45m
Thu 1/2811:45 pm -
Nonstop12h 55m
Deal found 8/16![United Airlines logo]()
$788
Last-minute flights from Incheon Intl to San FranciscoDiscover last-minute flight deals from Incheon Intl to San Francisco. Data last updated August 17, 2026 and is based on user searches.
Discover last-minute flight deals from Incheon Intl to San Francisco. Data last updated August 17, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 8/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:45 pm -
2 stops37h 50m
Sun 9/2012:50 pm -
2 stops35h 15m
Deal found 8/14![Air Canada logo]()
$662
This Air Canada deal was found by Cheapflights users on 8/16. 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.
Tue 8/185:45 pm -
2 stops37h 50m
Sun 9/2012:50 pm -
2 stops35h 15m
Deal found 8/16![Air Canada logo]()
$661
This Air Canada deal was found by Cheapflights users on 8/16. 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.
Tue 8/185:45 pm -
2 stops37h 50m
Thu 9/246:35 am -
1 stop17h 30m
Deal found 8/16![Air Canada logo]()
$671
This Super.com deal was found by Cheapflights users on 8/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:00 pm -
Nonstop11h 00m
Sat 9/193:30 pm -
Nonstop12h 40m
Deal found 8/14![AIR PREMIA logo]()
$659
This Air Canada deal was found by Cheapflights users on 8/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/125:45 pm -
2 stops34h 22m
Wed 9/168:31 am -
2 stops39h 34m
Deal found 8/13![Air Canada logo]()
$667
This Mytrip deal was found by Cheapflights users on 8/16. 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.
Tue 9/155:45 pm -
1 stop16h 46m
Sat 9/1912:50 pm -
2 stops35h 15m
Deal found 8/16![Air Canada logo]()
$657
This Air Canada deal was found by Cheapflights users on 8/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:45 pm -
2 stops34h 22m
Thu 9/2412:50 pm -
2 stops35h 15m
Deal found 8/12![Air Canada logo]()
$669
This Air Canada deal was found by Cheapflights users on 8/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/245:45 pm -
2 stops34h 22m
Sat 9/2612:50 pm -
2 stops35h 15m
Deal found 8/13![Air Canada logo]()
$656
This SmartFares deal was found by Cheapflights users on 8/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 pm -
Nonstop11h 00m
Sat 10/33:30 pm -
Nonstop12h 40m
Deal found 8/13![AIR PREMIA logo]()
$668
One-way flights from Incheon Intl to San FranciscoSearch for one-way flight options from Incheon Intl to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
Search for one-way flight options from Incheon Intl to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 17, 2026.
This SmartFares deal was found by Cheapflights users on 8/16. 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.
Sat 10/246:00 pm -
Nonstop11h 00m
Deal found 8/16![AIR PREMIA logo]()
$379
This FlightHub deal was found by Cheapflights users on 8/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:00 pm -
Nonstop11h 00m
Deal found 8/12![AIR PREMIA logo]()
$381
This YBTour deal was found by Cheapflights users on 8/14. 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 YBTour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:45 pm -
1 stop19h 35m
Deal found 8/14![Air Canada logo]()
$384
This FlightHub deal was found by Cheapflights users on 8/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:30 am -
Nonstop11h 00m
Deal found 8/16![Asiana Airlines logo]()
$385
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/155:45 pm -
2 stops34h 22m
Deal found 8/17![Air Canada logo]()
$386
This Priceline deal was found by Cheapflights users on 8/13. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/165:45 pm -
2 stops34h 22m
Deal found 8/13![Air Canada logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Wed 9/237:15 pm -
Nonstop11h 00m
Deal found 8/13![AIR PREMIA logo]()
$388
This WhyPayMore deal was found by Cheapflights users on 8/16. 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 10/36:00 pm -
Nonstop11h 00m
Deal found 8/16![AIR PREMIA logo]()
$391
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:15 pm -
Nonstop11h 00m
Deal found 8/13![AIR PREMIA logo]()
$399
This Expedia deal was found by Cheapflights users on 8/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/258:00 pm -
1 stop20h 59m
Deal found 8/12![Alaska Airlines logo]()
$401
This Expedia deal was found by Cheapflights users on 8/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/218:00 pm -
1 stop17h 43m
Deal found 8/14![Alaska Airlines logo]()
$402
Find flight deals from Incheon Intl to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $653 (WhyPayMore) |
One-way from | $379 (SmartFares) |
Popular in | August |
Cheapest in | December |
Average price | $996 |
Good round-trip deal | $654 or less |
Good one-way deal | $388 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Incheon Intl 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 August 17, 2026.
Use the filters below to find and compare flights from Incheon Intl Airport to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Wed 10/28
6:00 pm-12:30 pm
Nonstop10h 30m
San Francisco
Fri 11/27
10:20 am-4:15 pm
Nonstop12h 55m
$673
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Sat 9/5
11:30 am-6:30 am
Nonstop11h 00m
San Francisco
Sat 9/12
3:10 pm-3:20 pm
1 stop32h 10m
$673
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Fri 9/18
7:35 pm-9:39 pm
1 stop18h 04m
San Francisco
Sat 9/26
12:10 pm-5:30 pm
1 stop37h 20m
$756
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Thu 1/14
12:45 pm-6:30 am
Nonstop10h 45m
San Francisco
Tue 1/19
11:55 pm-4:25 pm
1 stop23h 30m
$759
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Sat 12/19
12:45 pm-6:30 am
Nonstop10h 45m
San Francisco
Tue 12/29
11:45 pm-5:40 am
Nonstop12h 55m
$759
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Tue 9/22
4:50 pm-11:40 am
Nonstop10h 50m
San Francisco
Tue 9/29
2:55 pm-3:20 pm
1 stop32h 25m
$761
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Thu 11/19
6:30 pm-9:30 am
1 stop32h 00m
San Francisco
Mon 11/30
11:45 pm-5:40 am
Nonstop12h 55m
$776
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Thu 1/14
12:45 pm-6:30 am
Nonstop10h 45m
San Francisco
Thu 1/28
11:45 pm-5:40 am
Nonstop12h 55m
$788
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Mon 10/5
7:20 am-9:30 pm
1 stop30h 10m
San Francisco
Fri 10/9
1:28 pm-6:00 am
2 stops24h 32m
$797
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Mon 8/31
8:30 pm-9:10 pm
1 stop40h 40m
San Francisco
Thu 10/15
7:15 am-7:15 pm
2 stops44h 00m
$804
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Incheon Intl to San Francisco
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Incheon Intl to San Francisco in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Incheon Intl Airport-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Incheon Intl Airport-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Incheon Intl Airport-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Incheon Intl to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Incheon Intl with our price prediction graph.
ICN-SFO
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 Incheon Intl Airport to San Francisco
Prices
Airlines
Delays
How far ahead should I book a flight from Incheon Intl Airport to San Francisco?
The price you pay for your flight from Incheon Intl Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Incheon Intl Airport to San Francisco?
Currently, December is the cheapest month in which you can book a flight from Incheon Intl Airport to San Francisco (average of $544). Flying from Incheon Intl Airport to San Francisco in August is currently the most expensive (average of $996). 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 ICN to SFO?
Find hourly flight availability from Incheon Intl 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 August 17, 2026.
When flying from Incheon Intl Airport to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Incheon to San Francisco delayed?
About 20% of weekly flights between Incheon and San Francisco have experienced delays in the past year, with the average delay time being 144 minutes.
What is the most punctual flight time for Incheon to San Francisco flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening 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 Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Incheon to San Francisco flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.
The best insider tips for Incheon Intl Airport to San Francisco flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Incheon Intl Airport to San Francisco trip
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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 August 17, 2026.
See what other customers who have flown with Korean Air,AIR PREMIA, andAsiana Airlines from Incheon Intl Airport to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.7
Entertainment
8.2
Food
8.1
Overall
8.4
Comfort
8.3
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Entertainment
8.2
Food
8.1
Overall
8.4
Comfort
8.3
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Entertainment
8.2
Food
8.1
Overall
8.4
Comfort
8.3
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Entertainment
8.2
Food
8.1
Overall
8.4
Comfort
8.3
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Entertainment
8.2
Food
8.1
Overall
8.4
Comfort
8.3
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Crew
8.7
Entertainment
8.2
Food
8.1
Overall
8.4
Comfort
8.3
Boarding
8.5
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Related info for your journey
Find useful and relevant information for your journey from Incheon Intl 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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Incheon Intl and San Francisco flights
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Top 5 airlines flying from Incheon Intl to San Francisco
Discover the top 5 airlines that operate flights from Incheon Intl 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 August 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$282 | Average$388 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$404 | Average$529 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$481 | Average$670 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$493 | Average$773 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$607 | Average$862 | FlexibilityNo cancel fee | On-time81% |