$331+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ICN
Oct 5 — Oct 121
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 February or January, booked 65 days in advance, depart on a Monday or Sunday 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 5, 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 5, 2026.
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/2111:45 pm -
Nonstop12h 35m
Sat 9/264:50 pm -
Nonstop10h 50m
Deal found 9/1![United Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Tue 9/1511:59 pm -
1 stop23h 21m
Fri 9/2511:30 am -
Nonstop10h 40m
Deal found 9/1![United Airlines logo]()
$644
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/1510:15 pm -
1 stop25h 05m
Thu 9/2411:30 am -
Nonstop10h 40m
Deal found 8/31![United Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 9/511:55 pm -
Nonstop12h 25m
Fri 9/1811:30 am -
Nonstop10h 40m
Deal found 9/4![United Airlines logo]()
$646
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sun 9/611:55 pm -
Nonstop12h 25m
Sun 9/2711:30 am -
Nonstop10h 40m
Deal found 9/4![United Airlines logo]()
$647
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Mon 10/1911:55 pm -
1 stop23h 25m
Tue 11/246:00 pm -
Nonstop10h 45m
Deal found 9/2![United Airlines logo]()
$648
This United Airlines deal was found by Cheapflights users on 9/3. 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 11/93:00 pm -
1 stop32h 25m
Tue 11/176:30 pm -
1 stop37h 53m
Deal found 9/3![United Airlines logo]()
$650
This Kissandfly.com deal was found by Cheapflights users on 9/1. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:25 am -
Nonstop12h 35m
Wed 9/2311:30 am -
Nonstop10h 40m
Deal found 9/1![Lufthansa logo]()
$651
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 9/3011:45 pm -
Nonstop12h 35m
Fri 12/116:30 pm -
1 stop32h 00m
Deal found 9/3![United Airlines logo]()
$653
This United Airlines deal was found by Cheapflights users on 9/5. 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 11/2811:45 pm -
Nonstop12h 55m
Sun 12/136:30 pm -
1 stop34h 59m
Deal found 9/5![United Airlines logo]()
$654
This SmartFares deal was found by Cheapflights users on 9/3. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/53:20 pm -
Nonstop13h 00m
Sat 12/267:45 pm -
Nonstop10h 35m
Deal found 9/3![AIR PREMIA logo]()
$656
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 5, 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 5, 2026.
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Wed 10/2111:45 pm -
Nonstop12h 35m
Sat 12/196:00 pm -
Nonstop10h 45m
Deal found 9/4![United Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/2311:45 pm -
Nonstop12h 35m
Mon 11/96:00 pm -
Nonstop10h 45m
Deal found 9/3![United Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 9/5. 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 2/1411:50 pm -
Nonstop12h 50m
Thu 2/1812:45 pm -
Nonstop10h 40m
Deal found 9/5![United Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 1/1911:45 pm -
Nonstop12h 55m
Sat 1/3012:45 pm -
Nonstop10h 45m
Deal found 9/3![United Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Wed 9/2311:45 pm -
Nonstop12h 35m
Thu 10/296:00 pm -
Nonstop10h 30m
Deal found 9/2![United Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 9/5. 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 11/410:20 am -
Nonstop12h 55m
Wed 11/116:00 pm -
Nonstop10h 45m
Deal found 9/5![United Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Mon 3/110:30 am -
Nonstop12h 45m
Mon 3/812:45 pm -
Nonstop10h 40m
Deal found 9/4![United Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Tue 1/1911:45 pm -
Nonstop12h 55m
Fri 1/296:00 pm -
Nonstop10h 45m
Deal found 9/3![United Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Sun 1/312:50 pm -
1 stop32h 35m
Wed 2/1012:45 pm -
Nonstop10h 45m
Deal found 9/1![United Airlines logo]()
$648
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Tue 9/152:05 pm -
1 stop33h 15m
Tue 9/224:50 pm -
Nonstop10h 50m
Deal found 9/1![United Airlines logo]()
$648
This United Airlines deal was found by Cheapflights users on 9/5. 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 9/209:15 pm -
1 stop26h 05m
Sun 9/274:50 pm -
Nonstop10h 50m
Deal found 9/5![United Airlines logo]()
$648
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 10/319:30 pm -
1 stop26h 55m
Mon 11/912:45 pm -
Nonstop10h 45m
Deal found 9/4![United Airlines logo]()
$648
Last-minute flights from San Francisco to Incheon IntlDiscover last-minute flight deals from San Francisco to Incheon Intl. Data last updated September 5, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Incheon Intl. Data last updated September 5, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 9/510:40 am -
Nonstop12h 20m
Fri 9/184:50 pm -
Nonstop10h 50m
Deal found 9/4![United Airlines logo]()
$646
This United Airlines deal was found by Cheapflights users on 9/4. 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.
Sun 9/611:55 pm -
Nonstop12h 25m
Sun 9/2711:30 am -
Nonstop10h 40m
Deal found 9/4![United Airlines logo]()
$647
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Sun 9/66:00 am -
1 stop41h 20m
Thu 9/104:50 pm -
Nonstop10h 50m
Deal found 9/3![United Airlines logo]()
$659
This Kissandfly.com deal was found by Cheapflights users on 9/1. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:25 am -
Nonstop12h 35m
Wed 9/2311:30 am -
Nonstop10h 40m
Deal found 9/1![Lufthansa logo]()
$651
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Tue 9/1511:59 pm -
1 stop23h 21m
Fri 9/2511:30 am -
Nonstop10h 40m
Deal found 9/1![United Airlines logo]()
$644
This United Airlines deal was found by Cheapflights users on 8/31. 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 9/1511:59 pm -
1 stop23h 21m
Sun 9/2711:30 am -
Nonstop10h 40m
Deal found 8/31![United Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 9/1. 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 9/2111:45 pm -
Nonstop12h 35m
Sat 9/264:50 pm -
Nonstop10h 50m
Deal found 9/1![United Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 9/3011:45 pm -
Nonstop12h 35m
Wed 10/285:30 pm -
1 stop32h 00m
Deal found 9/3![United Airlines logo]()
$653
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Mon 10/1911:55 pm -
1 stop23h 25m
Tue 11/246:00 pm -
Nonstop10h 45m
Deal found 9/2![United Airlines logo]()
$648
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 5, 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 5, 2026.
This Super.com deal was found by Cheapflights users on 9/3. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:20 pm -
Nonstop13h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![AIR PREMIA logo]()
$331
This SmartFares deal was found by Cheapflights users on 9/2. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:00 pm -
Nonstop12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![AIR PREMIA logo]()
$332
This Kissandfly.com deal was found by Cheapflights users on 9/2. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1410:15 pm -
1 stop25h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Lufthansa logo]()
$333
This Kissandfly.com deal was found by Cheapflights users on 9/2. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/192:05 pm -
1 stop33h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Lufthansa logo]()
$334
This Kissandfly.com deal was found by Cheapflights users on 8/31. 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 9/193:30 pm -
Nonstop12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 8/31![AIR PREMIA logo]()
$335
This Mytrip deal was found by Cheapflights users on 9/3. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:00 pm -
Nonstop12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![AIR PREMIA logo]()
$336
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Wed 9/1611:59 pm -
1 stop23h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Fri 9/189:15 pm -
1 stop26h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$338
This Kissandfly.com deal was found by Cheapflights users on 9/5. 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.
Wed 9/165:00 pm -
Nonstop12h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![AIR PREMIA logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Wed 11/1110:55 pm -
1 stop24h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$341
This Booking.com deal was found by Cheapflights users on 8/31. 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 Booking.com 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 8/31![AIR PREMIA logo]()
$343
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 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $643 (United Airlines) |
One-way from | $331 (Super.com) |
Popular in | June |
Cheapest in | February |
Average price | $724 |
Good round-trip deal | $691 or less |
Good one-way deal | $402 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 5, 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
Tue 11/3
11:45 pm-5:40 am
Nonstop12h 55m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$337
Quickest round-trip
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Tue 9/22
10:25 am-3:00 pm
Nonstop12h 35m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$337
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Thu 10/29
11:20 am-4:15 pm
Nonstop12h 55m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$337
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Tue 10/27
11:45 pm-4:40 am
Nonstop12h 55m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$337
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Wed 10/28
11:45 pm-4:40 am
Nonstop12h 55m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$337
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Sat 11/14
2:00 pm-4:25 pm
1 stop33h 25m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$341
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Fri 1/8
3:25 pm-4:25 pm
1 stop32h 00m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$341
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Fri 9/11
3:10 pm-3:20 pm
1 stop32h 10m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$341
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Sun 9/13
10:30 pm-3:20 pm
1 stop24h 50m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$341
San FranciscoIncheon
SFO San Francisco - ICN Incheon Intl
SFOICN
San Francisco
Wed 10/21
2:55 pm-3:20 pm
1 stop32h 25m
Incheon Intl
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$341
Showing 1-10 of 23 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, February is the cheapest month in which you can book a flight from San Francisco to Incheon Intl Airport (average of $699). Flying from San Francisco to Incheon Intl Airport in June is currently the most expensive (average of $1,387). 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 5, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 5% 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 August 29, 2026.
Travelers seeking maximum savings on their San Francisco to Incheon Intl Airport flight should consider departing on Tuesday afternoons 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 219 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 8% 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 5, 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.
Food
8.1
Overall
8.4
Comfort
8.3
Boarding
8.5
Crew
8.7
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Overall
8.4
Comfort
8.3
Boarding
8.5
Crew
8.7
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Overall
8.4
Comfort
8.3
Boarding
8.5
Crew
8.7
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Overall
8.4
Comfort
8.3
Boarding
8.5
Crew
8.7
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Overall
8.4
Comfort
8.3
Boarding
8.5
Crew
8.7
Entertainment
8.2
Reviews
1 / 20
10.0
ExcellentChris,Mar 2025
SEA - ICN
Food
8.1
Overall
8.4
Comfort
8.3
Boarding
8.5
Crew
8.7
Entertainment
8.2
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 5, 2026.
San Francisco and Incheon Intl flights
Browse other San Francisco and Incheon Intl flight options. Last updated on September 5, 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 5, 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$607 | Average$828 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$630 | Average$693 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$640 | Average$971 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$642 | Average$681 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$660 | Average$767 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$674 | Average$815 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$731 | Average$771 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$769 | Average$954 | FlexibilityNo cancel fee | On-time81% |