$405+ Cheap flights from Incheon Intl (ICN) to San Francisco (SFO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SFO
Nov 4 — Nov 111
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 75 days in advance, depart on a Wednesday or Sunday 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 October 5, 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 October 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:20 am -
2 stops28h 12m
Wed 11/113:20 pm -
Nonstop13h 00m
Deal found 9/30![Multiple Airlines logo]()
$737
This Agoda.com deal was found by Cheapflights users on 10/2. 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.
Wed 11/185:15 pm -
1 stop13h 20m
Mon 2/153:20 pm -
Nonstop13h 00m
Deal found 10/2![Multiple Airlines logo]()
$752
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:35 pm -
1 stop15h 00m
Sun 11/153:20 pm -
Nonstop13h 00m
Deal found 9/30![Multiple Airlines logo]()
$757
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 10/285:15 pm -
1 stop13h 20m
Sat 11/73:20 pm -
Nonstop13h 00m
Deal found 10/1![Multiple Airlines logo]()
$767
This lol.travel deal was found by Cheapflights users on 10/1. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:55 pm -
1 stop14h 11m
Thu 11/54:55 pm -
1 stop31h 15m
Deal found 10/1![Air Canada logo]()
$769
This lol.travel deal was found by Cheapflights users on 10/2. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:55 pm -
1 stop21h 06m
Fri 11/66:30 am -
1 stop17h 40m
Deal found 10/2![Air Canada logo]()
$770
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:50 pm -
Nonstop10h 50m
Sun 10/1811:45 pm -
Nonstop12h 35m
Deal found 9/30![United Airlines logo]()
$771
This Kissandfly.com deal was found by Cheapflights users on 9/30. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:15 pm -
1 stop31h 59m
Sat 10/1711:55 pm -
1 stop23h 25m
Deal found 9/30![Lufthansa logo]()
$772
This Super.com deal was found by Cheapflights users on 9/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:15 pm -
Nonstop11h 00m
Fri 11/63:20 pm -
Nonstop13h 00m
Deal found 9/30![AIR PREMIA logo]()
$774
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:45 pm -
Nonstop10h 45m
Fri 1/1510:50 pm -
1 stop24h 35m
Deal found 9/30![United Airlines logo]()
$775
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 October 5, 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 October 5, 2026.
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/186:00 pm -
Nonstop10h 45m
Fri 2/2610:30 am -
Nonstop12h 45m
Deal found 9/30![United Airlines logo]()
$775
This Alaska Airlines deal was found by Cheapflights users on 10/4. 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 12/188:00 pm -
2 stops19h 58m
Sat 12/266:00 am -
1 stop18h 35m
Deal found 10/4![Alaska Airlines logo]()
$1,001
This Delta deal was found by Cheapflights users on 9/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:40 pm -
1 stop22h 32m
Wed 3/178:55 am -
1 stop16h 40m
Deal found 9/30![Delta logo]()
$1,067
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:45 pm -
Nonstop10h 45m
Fri 1/1510:50 pm -
1 stop24h 35m
Deal found 9/30![United Airlines logo]()
$775
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:30 pm -
1 stop32h 00m
Wed 11/410:20 am -
Nonstop12h 55m
Deal found 9/30![United Airlines logo]()
$780
This United Airlines deal was found by Cheapflights users on 10/3. 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 12/2512:45 pm -
Nonstop10h 45m
Sat 1/99:40 pm -
1 stop25h 45m
Deal found 10/3![United Airlines logo]()
$833
This United Airlines deal was found by Cheapflights users on 10/3. 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 11/1312:45 pm -
Nonstop10h 45m
Sun 1/3110:20 am -
Nonstop12h 55m
Deal found 10/3![United Airlines logo]()
$833
This United Airlines deal was found by Cheapflights users on 10/4. 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 12/2512:45 pm -
Nonstop10h 45m
Sat 1/210:20 am -
Nonstop12h 55m
Deal found 10/4![United Airlines logo]()
$837
This United Airlines deal was found by Cheapflights users on 10/1. 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.
Mon 11/212:45 pm -
Nonstop10h 45m
Thu 11/511:45 pm -
Nonstop12h 55m
Deal found 10/1![United Airlines logo]()
$932
This United Airlines deal was found by Cheapflights users on 10/3. 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.
Mon 11/212:45 pm -
Nonstop10h 45m
Sat 11/1411:45 pm -
Nonstop12h 55m
Deal found 10/3![United Airlines logo]()
$935
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:30 pm -
1 stop22h 29m
Sat 12/1211:59 pm -
1 stop23h 26m
Deal found 9/30![United Airlines logo]()
$984
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Sun 2/76:30 pm -
1 stop33h 01m
Wed 3/1011:50 pm -
Nonstop12h 50m
Deal found 10/2![United Airlines logo]()
$1,035
Last-minute flights from Incheon Intl to San FranciscoDiscover last-minute flight deals from Incheon Intl to San Francisco. Data last updated October 5, 2026 and is based on user searches.
Discover last-minute flight deals from Incheon Intl to San Francisco. Data last updated October 5, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:50 pm -
Nonstop10h 50m
Sun 10/1811:45 pm -
Nonstop12h 35m
Deal found 9/30![United Airlines logo]()
$771
This Kissandfly.com deal was found by Cheapflights users on 9/30. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:15 pm -
1 stop33h 13m
Sat 10/1710:45 pm -
1 stop24h 35m
Deal found 9/30![Lufthansa logo]()
$772
This Super.com deal was found by Cheapflights users on 9/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:15 pm -
Nonstop11h 00m
Fri 11/63:20 pm -
Nonstop13h 00m
Deal found 9/30![AIR PREMIA logo]()
$774
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 10/285:15 pm -
1 stop13h 20m
Sat 11/73:20 pm -
Nonstop13h 00m
Deal found 10/1![Multiple Airlines logo]()
$767
This lol.travel deal was found by Cheapflights users on 10/1. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/295:55 pm -
1 stop14h 11m
Thu 11/54:55 pm -
1 stop31h 15m
Deal found 10/1![Air Canada logo]()
$769
This lol.travel deal was found by Cheapflights users on 10/2. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:55 pm -
1 stop21h 06m
Fri 11/66:30 am -
1 stop17h 40m
Deal found 10/2![Air Canada logo]()
$770
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:20 am -
2 stops28h 12m
Wed 11/113:20 pm -
Nonstop13h 00m
Deal found 9/30![Multiple Airlines logo]()
$737
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:35 pm -
1 stop15h 00m
Sun 11/153:20 pm -
Nonstop13h 00m
Deal found 9/30![Multiple Airlines logo]()
$757
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:45 pm -
Nonstop10h 45m
Fri 1/1510:50 pm -
1 stop24h 35m
Deal found 9/30![United Airlines logo]()
$775
This Agoda.com deal was found by Cheapflights users on 10/2. 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.
Wed 11/185:15 pm -
1 stop13h 20m
Mon 2/153:20 pm -
Nonstop13h 00m
Deal found 10/2![Multiple Airlines logo]()
$752
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 October 5, 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 October 5, 2026.
This Super.com deal was found by Cheapflights users on 10/1. 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.
Wed 10/285:15 pm -
1 stop13h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![ZIPAIR logo]()
$405
This CheapOair deal was found by Cheapflights users on 10/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:05 pm -
1 stop17h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![ZIPAIR logo]()
$408
This eDestinos deal was found by Cheapflights users on 10/4. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/111:05 pm -
1 stop17h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![ZIPAIR logo]()
$410
This Kiwi.com deal was found by Cheapflights users on 10/1. 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 12/245:15 pm -
1 stop13h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![ZIPAIR logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Fri 10/301:05 pm -
1 stop17h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![ZIPAIR logo]()
$420
This Agoda.com deal was found by Cheapflights users on 10/3. 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.
Wed 11/185:15 pm -
1 stop13h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![ZIPAIR logo]()
$421
This Super.com deal was found by Cheapflights users on 10/2. 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.
Wed 12/161:05 pm -
1 stop17h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![ZIPAIR logo]()
$424
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 October 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $737 (Kiwi.com) |
One-way from | $405 (Super.com) |
Popular in | August |
Cheapest in | December |
Average price | $658 |
Good round-trip deal | $827 or less |
Good one-way deal | $427 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 7,457,451 searches. Data last updated October 5, 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
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Wed 10/14
4:50 pm-11:40 am
Nonstop10h 50m
San Francisco
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$430
Quickest round-trip
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Sun 11/1
6:00 pm-11:45 am
Nonstop10h 45m
San Francisco
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$430
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Wed 10/28
11:45 am-6:30 am
Nonstop10h 45m
San Francisco
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$432
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Fri 10/16
5:15 pm-9:14 am
1 stop31h 59m
San Francisco
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$438
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Mon 1/18
6:00 pm-11:45 am
Nonstop10h 45m
San Francisco
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$457
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Fri 12/11
6:00 pm-11:45 am
Nonstop10h 45m
San Francisco
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$457
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Wed 12/16
6:00 pm-11:45 am
Nonstop10h 45m
San Francisco
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$457
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Sun 12/13
12:45 pm-6:30 am
Nonstop10h 45m
San Francisco
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$457
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Fri 12/25
12:45 pm-6:30 am
Nonstop10h 45m
San Francisco
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$457
IncheonSan Francisco
ICN Incheon Intl - SFO San Francisco
ICNSFO
Incheon Intl
Mon 12/14
12:45 pm-6:30 am
Nonstop10h 45m
San Francisco
Wed 12/31
12:00 am-5:00 pm
Nonstop0h 00m
$457
Showing 1-10 of 23 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 October.
| 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 74 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 $570). Flying from Incheon Intl Airport to San Francisco in August is currently the most expensive (average of $1,002). 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 October 5, 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 17% of weekly flights between Incheon and San Francisco have experienced delays in the past year, with the average delay time being 158 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 9% 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 October 5, 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.
Comfort
8.3
Overall
8.4
Boarding
8.5
Food
8.1
Crew
8.7
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Overall
8.4
Boarding
8.5
Food
8.1
Crew
8.7
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Overall
8.4
Boarding
8.5
Food
8.1
Crew
8.7
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Overall
8.4
Boarding
8.5
Food
8.1
Crew
8.7
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Overall
8.4
Boarding
8.5
Food
8.1
Crew
8.7
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentJacqueline,Aug 2025
ICN - SEA
Comfort
8.3
Overall
8.4
Boarding
8.5
Food
8.1
Crew
8.7
Entertainment
8.2
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 7,457,451 searches. Data last updated October 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$282 | Average$388 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$404 | Average$559 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$476 | Average$670 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$493 | Average$800 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$607 | Average$884 | FlexibilityNo cancel fee | On-time81% |