$325+ Cheap flights from San Francisco (SFO) to Incheon Intl (ICN)
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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ICN
Oct 18 — Oct 251
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Incheon Intl 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 San Francisco to Incheon Intl are usually found in January or February, booked 65 days in advance, depart on a Monday or Thursday and return on a Wednesday
Cheap flight deals from San Francisco to Incheon Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from San Francisco to Incheon IntlExplore the most affordable flight options available from San Francisco to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 18, 2026.
Explore the most affordable flight options available from San Francisco to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 18, 2026.
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:20 pm -
Nonstop13h 00m
Wed 11/187:45 pm -
Nonstop10h 35m
Deal found 9/14![AIR PREMIA logo]()
$640
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:20 pm -
Nonstop13h 00m
Wed 11/117:45 pm -
Nonstop10h 35m
Deal found 9/14![AIR PREMIA logo]()
$646
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/83:20 pm -
Nonstop13h 00m
Sat 11/217:45 pm -
Nonstop10h 35m
Deal found 9/14![AIR PREMIA logo]()
$647
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/143:20 pm -
Nonstop13h 00m
Sat 11/217:45 pm -
Nonstop10h 35m
Deal found 9/14![AIR PREMIA logo]()
$648
This SmartFares deal was found by Cheapflights users on 9/16. 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.
Fri 12/43:20 pm -
Nonstop13h 00m
Mon 2/157:45 pm -
Nonstop10h 35m
Deal found 9/16![AIR PREMIA logo]()
$651
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 9/1710:25 am -
Nonstop12h 35m
Wed 9/304:50 pm -
Nonstop10h 50m
Deal found 9/14![United Airlines logo]()
$652
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 10/1910:25 am -
Nonstop12h 35m
Tue 11/312:45 pm -
Nonstop10h 45m
Deal found 9/16![United Airlines logo]()
$653
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/1910:25 am -
Nonstop12h 35m
Fri 10/3011:45 am -
Nonstop10h 45m
Deal found 9/15![United Airlines logo]()
$654
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:55 pm -
1 stop24h 30m
Tue 11/1712:45 pm -
Nonstop10h 45m
Deal found 9/17![United Airlines logo]()
$655
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 10/1911:55 pm -
1 stop23h 25m
Mon 11/26:00 pm -
Nonstop10h 45m
Deal found 9/16![United Airlines logo]()
$658
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/310:55 pm -
1 stop24h 30m
Wed 11/186:30 pm -
1 stop32h 57m
Deal found 9/17![United Airlines logo]()
$659
This iWofly deal was found by Cheapflights users on 9/14. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/83:20 pm -
Nonstop13h 00m
Sat 11/147:45 pm -
Nonstop10h 35m
Deal found 9/14![AIR PREMIA logo]()
$660
Best flights from San Francisco to Incheon IntlDiscover carefully curated flight deals from San Francisco to Incheon Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
Discover carefully curated flight deals from San Francisco to Incheon Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Mon 10/1911:45 pm -
Nonstop12h 35m
Mon 11/26:00 pm -
Nonstop10h 45m
Deal found 9/13![United Airlines logo]()
$654
This Cathay Pacific deal was found by Cheapflights users on 9/15. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:00 pm -
1 stop19h 25m
Mon 10/126:40 am -
1 stop20h 15m
Deal found 9/15![Cathay Pacific logo]()
$844
This Delta deal was found by Cheapflights users on 9/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:50 pm -
Nonstop12h 30m
Sun 10/254:10 pm -
1 stop23h 46m
Deal found 9/17![Delta logo]()
$893
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 10/411:45 pm -
Nonstop12h 35m
Sat 10/104:50 pm -
Nonstop10h 50m
Deal found 9/12![United Airlines logo]()
$654
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 9/2110:15 pm -
1 stop25h 05m
Fri 9/254:50 pm -
Nonstop10h 50m
Deal found 9/16![United Airlines logo]()
$658
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Mon 10/192:05 pm -
1 stop33h 15m
Mon 11/912:45 pm -
Nonstop10h 45m
Deal found 9/13![United Airlines logo]()
$658
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 9/2811:55 pm -
1 stop23h 25m
Fri 10/24:50 pm -
Nonstop10h 50m
Deal found 9/16![United Airlines logo]()
$658
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2511:45 am -
Nonstop12h 55m
Sun 12/67:40 pm -
1 stop20h 49m
Deal found 9/14![Delta logo]()
$894
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 9/2111:59 pm -
1 stop23h 21m
Mon 9/285:15 pm -
1 stop31h 59m
Deal found 9/14![United Airlines logo]()
$668
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:50 pm -
Nonstop12h 30m
Thu 10/84:40 pm -
1 stop23h 16m
Deal found 9/13![Delta logo]()
$894
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2712:50 pm -
Nonstop12h 30m
Sun 10/114:40 pm -
1 stop23h 16m
Deal found 9/14![Delta logo]()
$894
Last-minute flights from San Francisco to Incheon IntlDiscover last-minute flight deals from San Francisco to Incheon Intl. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Incheon Intl. Data last updated September 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 9/1710:25 am -
Nonstop12h 35m
Wed 9/304:50 pm -
Nonstop10h 50m
Deal found 9/14![United Airlines logo]()
$652
This United Airlines deal was found by Cheapflights users on 9/16. 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 9/1711:45 pm -
Nonstop12h 35m
Mon 2/156:30 pm -
1 stop32h 00m
Deal found 9/16![United Airlines logo]()
$664
This United Airlines deal was found by Cheapflights users on 9/16. 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 9/234:10 pm -
1 stop31h 10m
Tue 2/166:30 pm -
1 stop22h 21m
Deal found 9/16![United Airlines logo]()
$668
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 9/2711:45 pm -
Nonstop12h 35m
Wed 10/74:50 pm -
Nonstop10h 50m
Deal found 9/14![United Airlines logo]()
$655
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Mon 10/510:25 am -
Nonstop12h 35m
Mon 10/125:15 pm -
1 stop31h 59m
Deal found 9/13![United Airlines logo]()
$661
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 10/1911:45 pm -
Nonstop12h 35m
Sun 11/812:45 pm -
Nonstop10h 45m
Deal found 9/16![United Airlines logo]()
$653
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/1910:25 am -
Nonstop12h 35m
Fri 10/3011:45 am -
Nonstop10h 45m
Deal found 9/15![United Airlines logo]()
$654
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Mon 10/1911:55 pm -
1 stop23h 25m
Mon 11/26:00 pm -
Nonstop10h 45m
Deal found 9/16![United Airlines logo]()
$658
This AIR PREMIA deal was found by Cheapflights users on 9/14. 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 PREMIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:00 pm -
Nonstop12h 40m
Sat 1/237:45 pm -
Nonstop10h 35m
Deal found 9/14![AIR PREMIA logo]()
$669
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/254:20 pm -
Nonstop13h 00m
Wed 11/117:45 pm -
Nonstop10h 35m
Deal found 9/14![AIR PREMIA logo]()
$646
This United Airlines deal was found by Cheapflights users on 9/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:20 am -
Nonstop12h 55m
Tue 11/106:30 pm -
1 stop32h 00m
Deal found 9/17![United Airlines logo]()
$663
This Kissandfly.com deal was found by Cheapflights users on 9/14. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:45 pm -
Nonstop12h 55m
Thu 11/56:00 pm -
Nonstop10h 45m
Deal found 9/14![Lufthansa logo]()
$659
One-way flights from San Francisco to Incheon IntlSearch for one-way flight options from San Francisco to Incheon Intl. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
Search for one-way flight options from San Francisco to Incheon Intl. Find affordable one-way fares based on user searches. Data last updated September 18, 2026.
This Super.com deal was found by Cheapflights users on 9/14. 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.
Fri 10/235:00 pm -
Nonstop12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![AIR PREMIA logo]()
$325
This Super.com deal was found by Cheapflights users on 9/14. 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.
Fri 10/304:20 pm -
Nonstop13h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![AIR PREMIA logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:20 pm -
Nonstop13h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![AIR PREMIA logo]()
$328
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sun 11/153:20 pm -
Nonstop13h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![AIR PREMIA logo]()
$330
This SmartFares deal was found by Cheapflights users on 9/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:00 pm -
Nonstop12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![AIR PREMIA logo]()
$332
This Kissandfly.com deal was found by Cheapflights users on 9/16. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/73:20 pm -
Nonstop13h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![AIR PREMIA logo]()
$333
This FlightHub deal was found by Cheapflights users on 9/17. 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.
Sun 11/83:20 pm -
Nonstop13h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![AIR PREMIA logo]()
$336
This WhyPayMore deal was found by Cheapflights users on 9/17. 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.
Sat 10/243:30 pm -
Nonstop12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![AIR PREMIA logo]()
$338
This FlightHub deal was found by Cheapflights users on 9/16. 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 11/113:20 pm -
Nonstop13h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![AIR PREMIA logo]()
$340
This Super.com deal was found by Cheapflights users on 9/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:00 pm -
Nonstop12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![AIR PREMIA logo]()
$341
This Super.com deal was found by Cheapflights users on 9/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:20 pm -
Nonstop13h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![AIR PREMIA logo]()
$342
Find flight deals from San Francisco to Incheon Intl
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Incheon Intl (ICN). 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 September 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $640 (FlightHub) |
One-way from | $325 (Super.com) |
Popular in | June |
Cheapest in | January |
Average price | $723 |
Good round-trip deal | $688 or less |
Good one-way deal | $397 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Incheon Intl 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 September 18, 2026.
Use the filters below to find and compare flights from San Francisco to Incheon Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Sun 9/20
10:30 pm-3:20 pm
1 stop24h 50m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$347
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Mon 11/2
11:45 pm-5:40 am
Nonstop12h 55m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$349
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Tue 9/29
10:45 pm-3:20 pm
1 stop24h 35m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$349
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Thu 11/5
10:20 am-4:15 pm
Nonstop12h 55m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$349
Quickest round-trip
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Sat 9/26
11:45 pm-4:20 am
Nonstop12h 35m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$349
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Wed 10/21
10:45 pm-3:20 pm
1 stop24h 35m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$353
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Sun 11/8
4:30 pm-4:25 pm
1 stop30h 55m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$353
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Sat 10/31
2:00 pm-4:25 pm
1 stop34h 25m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$353
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Wed 11/11
9:30 pm-4:25 pm
1 stop25h 55m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$353
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Sun 11/1
4:30 pm-4:25 pm
1 stop30h 55m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$353
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from San Francisco to Incheon Intl
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 San Francisco to Incheon Intl in September.
| 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 Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars |
- Most accurate provider: When it comes to deals on San Francisco-Incheon Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Incheon Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Incheon Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Incheon Intl Airport 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 San Francisco-Incheon Intl Airport 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 San Francisco to Incheon Intl
Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from San Francisco with our price prediction graph.
SFO-ICN
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 San Francisco to Incheon Intl Airport
Prices
Airlines
Delays
How far ahead should I book a flight from San Francisco to Incheon Intl Airport?
Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Incheon Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from San Francisco to Incheon Intl Airport?
Currently, January is the cheapest month in which you can book a flight from San Francisco to Incheon Intl Airport (average of $694). Flying from San Francisco to Incheon Intl Airport in June is currently the most expensive (average of $1,388). 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 SFO to ICN?
Find hourly flight availability from San Francisco to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 18, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 6% on flights from San Francisco to Incheon Intl Airport by exploring options for tickets in the evening.
What is the cheapest day to fly from San Francisco to Incheon Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Incheon Intl. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their San Francisco to Incheon Intl Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from San Francisco to Incheon delayed?
About 23% of weekly flights between San Francisco and Incheon have experienced delays in the past year, with the average delay time being 220 minutes.
What is the most punctual flight time for San Francisco to Incheon flights?
Historically, flights departing in the early afternoon 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?
Monday tends to have the lowest number of delays on this route, whereas Tuesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Francisco to Incheon flights?
Over the last year, Asiana Airlines have had the lowest number of delays on this route, with just 7% of flights being delayed.
The best insider tips for San Francisco to Incheon Intl Airport 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 San Francisco to Incheon Intl Airport trip
Our travel experts
Reviews of airlines servicing Incheon Intl
Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated September 18, 2026.
Read reviews from past customers who have flown Korean Air,AIR PREMIA, andAsiana Airlines from San Francisco to Incheon Intl Airport. 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
8.5
Overall
8.4
Entertainment
8.2
Food
8.1
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Overall
8.4
Entertainment
8.2
Food
8.1
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Overall
8.4
Entertainment
8.2
Food
8.1
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Overall
8.4
Entertainment
8.2
Food
8.1
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Overall
8.4
Entertainment
8.2
Food
8.1
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Boarding
8.5
Overall
8.4
Entertainment
8.2
Food
8.1
Comfort
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Incheon Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Incheon Intl Airport?
Book flights to Incheon Intl Airport if you plan to visit one of these locationsSeongnam
Suwon
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Other flights to Incheon Intl
Explore flights to Incheon Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 18, 2026.
San Francisco and Incheon Intl flights
Browse other San Francisco and Incheon Intl flight options. Last updated on September 18, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on September 18, 2026.
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Top 10 airlines flying from San Francisco to Incheon Intl
Discover the top 10 airlines that operate flights from San Francisco to Incheon Intl. 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 September 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$219 | Average$649 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$460 | Average$1,115 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$598 | Average$690 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$607 | Average$828 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$640 | Average$971 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$642 | Average$681 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$643 | Average$763 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$673 | Average$812 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$731 | Average$771 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$762 | Average$949 | FlexibilityNo cancel fee | On-time81% |