Find flights
Deals
When to book
FAQs

Cheap flights from San Francisco to Incheon Intl Airport from C$ 643

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ICN
6 Jul — 13 Jul1
1 adult
1 adult, Economy, 0 bags
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 Saturday or Monday and return on a Thursday

Cheap flight deals from San Francisco to Incheon Intl

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to Incheon Intl
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 6 June 2026.

Thu 22/1012:00 p.m.
SFO
-
ICN
1 stop31h 55m
China Eastern
Sun 1/112:30 p.m.
ICN
-
SFO
1 stop35h 30m
China Eastern
Deal found 1/6C$ 1,071
Sun 18/1010:25 a.m.
SFO
-
ICN
Nonstop12h 35m
United Airlines
Sat 7/116:30 p.m.
ICN
-
SFO
1 stop32h 00m
United Airlines
Deal found 31/5C$ 1,074
Sat 31/109:15 p.m.
SFO
-
ICN
1 stop27h 10m
United Airlines
Tue 10/116:30 p.m.
ICN
-
SFO
1 stop22h 21m
United Airlines
Deal found 31/5C$ 1,080
Sat 15/811:55 p.m.
SFO
-
ICN
Nonstop12h 25m
United Airlines
Tue 15/126:30 p.m.
ICN
-
SFO
1 stop40h 31m
United Airlines
Deal found 31/5C$ 1,084
Mon 9/112:00 p.m.
SFO
-
ICN
1 stop33h 25m
United Airlines
Tue 17/116:30 p.m.
ICN
-
SFO
1 stop32h 49m
United Airlines
Deal found 2/6C$ 1,089
Mon 26/101:00 p.m.
SFO
-
ICN
2 stops30h 00m
China Eastern
Wed 11/118:30 a.m.
ICN
-
SFO
2 stops41h 30m
China Eastern
Deal found 1/6C$ 1,092
Sun 2/85:00 p.m.
SFO
-
ICN
Nonstop12h 40m
AIR PREMIA
Wed 19/87:15 p.m.
ICN
-
SFO
Nonstop11h 00m
AIR PREMIA
Deal found 4/6C$ 1,114
Sat 11/73:30 p.m.
SFO
-
ICN
Nonstop12h 40m
AIR PREMIA
Mon 14/97:15 p.m.
ICN
-
SFO
Nonstop11h 00m
AIR PREMIA
Deal found 31/5C$ 1,116
Mon 19/1012:00 p.m.
SFO
-
ICN
1 stop33h 30m
China Eastern
Mon 16/118:55 a.m.
ICN
-
SFO
1 stop17h 05m
China Eastern
Deal found 31/5C$ 1,141
Fri 16/105:00 p.m.
SFO
-
ICN
Nonstop12h 40m
AIR PREMIA
Sat 31/106:55 p.m.
ICN
-
SFO
Nonstop10h 35m
AIR PREMIA
Deal found 4/6C$ 1,142
Sun 18/105:00 p.m.
SFO
-
ICN
Nonstop12h 40m
AIR PREMIA
Sat 31/106:55 p.m.
ICN
-
SFO
Nonstop10h 35m
AIR PREMIA
Deal found 31/5C$ 1,144

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 6 June 2026.

Round-trip from

C$ 1,071

One-way from

C$ 643

Popular in

June

Cheapest in

January

Average price

C$ 1,913

Good round-trip deal

C$ 1,140 or less

Good one-way deal

C$ 988 or less
China Eastern
  • China Eastern
  • 22/10-2/11
  • 2 total stops
  • 54h 30m total
  • San Francisco to Incheon
Search Deals
Asiana Airlines
  • Asiana Airlines
  • 18/7
  • Nonstop
  • 12h 20m total
  • San Francisco to Incheon
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 324 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 92 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from San Francisco to Incheon Intl.
Search Deals
Price to beat on a one-way flight from San Francisco to Incheon Intl.
Search Deals

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 629,999 searches. Data last updated 6 June 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

Price

Cheapest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 21/10

11:45 p.m.-4:20 a.m.

Nonstop12h 35m

Incheon Intl

Fri 30/10

5:30 p.m.-11:51 p.m.

1 stop22h 21m

C$ 1,074

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 31/10

9:15 p.m.-4:25 p.m.

1 stop27h 10m

Incheon Intl

Wed 11/11

6:30 p.m.-11:51 p.m.

1 stop22h 21m

C$ 1,080
Quickest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 6/7

11:55 p.m.-4:20 a.m.

Nonstop12h 25m

Incheon Intl

Wed 19/8

4:50 p.m.-12:00 p.m.

Nonstop11h 10m

C$ 1,171

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 6/11

4:20 p.m.-4:25 p.m.

1 stop31h 05m

Incheon Intl

Fri 20/11

6:30 p.m.-11:51 p.m.

1 stop22h 21m

C$ 1,246

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 16/10

1:00 p.m.-4:40 a.m.

1 stop23h 40m

Incheon Intl

Fri 30/10

4:00 p.m.-10:30 a.m.

Nonstop10h 30m

C$ 1,344

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 20/10

1:00 p.m.-4:40 a.m.

1 stop23h 40m

Incheon Intl

Sat 31/10

4:00 p.m.-10:30 a.m.

Nonstop10h 30m

C$ 1,344

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 11/9

8:55 a.m.-5:50 p.m.

1 stop16h 55m

Incheon Intl

Sat 26/9

4:00 p.m.-10:40 a.m.

Nonstop10h 40m

C$ 1,344

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 30/8

4:55 p.m.-4:40 a.m.

1 stop19h 45m

Incheon Intl

Wed 9/9

4:00 p.m.-10:40 a.m.

Nonstop10h 40m

C$ 1,344

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 21/11

4:15 p.m.-5:10 a.m.

1 stop19h 55m

Incheon Intl

Sat 5/12

4:00 p.m.-9:30 a.m.

Nonstop10h 30m

C$ 1,348

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 22/7

9:20 a.m.-5:50 p.m.

1 stop16h 30m

Incheon Intl

Sun 16/8

4:40 p.m.-11:44 p.m.

1 stop23h 04m

C$ 1,358

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/6

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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.
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

How far ahead should I book a flight from San Francisco to Incheon Intl Airport?

The best time to book flights from San Francisco to Incheon Intl Airport is 64 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 C$ 985). Flying from San Francisco to Incheon Intl Airport in June is currently the most expensive (average of C$ 1,913). 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 6 June 2026.

When flying from San Francisco to Incheon Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 11% versus a flight in the afternoon.

How much does it cost to fly round-trip from San Francisco to Incheon Intl Airport?

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.

  • What airport do you fly from for flights from San Francisco to Incheon Intl?

    San Francisco (SFO) is the airport you will fly out of if you book a flight from San Francisco to Incheon Intl. You should not have trouble finding flights to Incheon Intl from San Francisco; the airport handles an average of 11 outbound flights to Incheon Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the San Francisco airport to Incheon Intl. It is only a 17.7 km journey to San Francisco (SFO) from San Francisco’s city centre.

  • How long is the flight from San Francisco to Incheon Intl Airport?

    For as low as C$ 1,074, United Airlines can have you in Incheon Intl Airport from San Francisco in 12h 35m. Airlines will cover a distance of 9080 km. This flight may include one or multiple stops.

  • What are the most reliable airlines from San Francisco to Incheon Intl Airport?

    No one likes to see their flight delayed. When booking a flight from San Francisco to Incheon Intl Airport consider choosing Thai Airways (97%), Singapore Airlines (97%) or Asiana Airlines (82%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from San Francisco to Incheon Intl Airport?

    Looking for the cheapest flight from San Francisco to Incheon Intl Airport? While on average our users pay C$ 1,300, our data indicates the cheapest price to be C$ 889. The most popular route (San Francisco - Incheon Intl), is priced around C$ 1,146.

  • Can I find deals for flights from San Francisco to Incheon Intl that include hotel bookings?

    Yes. In addition to deals on San Francisco to Incheon Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Incheon Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Incheon Intl.

  • Can I find deals for business class flights from San Francisco to Incheon Intl?

    Yes. Cheapflights offers flight deals from San Francisco to Incheon Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 C$ 985). Flying from San Francisco to Incheon Intl Airport in June is currently the most expensive (average of C$ 1,913). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Incheon Intl

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Incheon Intl flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Incheon Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco to Incheon Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Incheon Intl?

Cheapflights helps you find that perfect flight to Incheon Intl from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from San Francisco to Incheon Intl with no change fees?

Yes, we can. To see specific flights from San Francisco to Incheon Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from San Francisco to Incheon Intl become cheaper?

Not ready to book yet? You can track prices for flights from San Francisco to Incheon Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.