Find flights
Deals
When to book
FAQs

Cheap flights from San Francisco to Incheon Intl Airport from C$ 594

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ICN
3 Jun — 10 Jun1
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 89 days in advance, depart on a Saturday or Monday and return on a Saturday

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 4 May 2026.

Fri 1/511:40 p.m.
SFO
-
ICN
Nonstop12h 40m
United Airlines
Fri 15/54:50 p.m.
ICN
-
SFO
Nonstop10h 45m
United Airlines
Deal found 30/4C$ 1,029
Thu 30/410:20 a.m.
SFO
-
ICN
Nonstop12h 40m
United Airlines
Wed 13/511:30 a.m.
ICN
-
SFO
Nonstop10h 45m
United Airlines
Deal found 29/4C$ 1,034
Thu 7/510:20 a.m.
SFO
-
ICN
Nonstop12h 40m
United Airlines
Tue 2/611:30 a.m.
ICN
-
SFO
Nonstop11h 00m
United Airlines
Deal found 30/4C$ 1,035
Mon 9/1111:55 p.m.
SFO
-
ICN
1 stop23h 30m
United Airlines
Tue 17/1112:45 p.m.
ICN
-
SFO
Nonstop10h 45m
United Airlines
Deal found 30/4C$ 1,037
Mon 4/511:40 p.m.
SFO
-
ICN
Nonstop12h 40m
United Airlines
Sun 17/54:50 p.m.
ICN
-
SFO
Nonstop10h 45m
United Airlines
Deal found 3/5C$ 1,038
Sun 3/511:40 p.m.
SFO
-
ICN
Nonstop12h 40m
United Airlines
Sat 16/54:50 p.m.
ICN
-
SFO
Nonstop10h 45m
United Airlines
Deal found 2/5C$ 1,040
Sat 7/1111:05 p.m.
SFO
-
ICN
1 stop24h 20m
United Airlines
Fri 13/116:00 p.m.
ICN
-
SFO
Nonstop10h 35m
United Airlines
Deal found 30/4C$ 1,041
Sun 8/114:20 p.m.
SFO
-
ICN
1 stop31h 05m
United Airlines
Fri 13/116:30 p.m.
ICN
-
SFO
1 stop37h 31m
United Airlines
Deal found 1/5C$ 1,044
Wed 21/1010:25 a.m.
SFO
-
ICN
Nonstop12h 35m
United Airlines
Wed 11/116:30 p.m.
ICN
-
SFO
1 stop36h 31m
United Airlines
Deal found 1/5C$ 1,046
Wed 21/1010:25 a.m.
SFO
-
ICN
Nonstop12h 35m
United Airlines
Wed 25/116:30 p.m.
ICN
-
SFO
1 stop22h 21m
United Airlines
Deal found 29/4C$ 1,049

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 4 May 2026.

Round-trip from

C$ 1,035

One-way from

C$ 594

Popular in

June

Cheapest in

January

Average price

C$ 1,170
United Airlines
  • United Airlines
  • 17/8-27/8
  • Nonstop
  • 23h 30m total
  • San Francisco to Incheon
Search Deals
Philippine Airlines
  • Philippine Airlines
  • 12/10
  • 1 total stop
  • 26h 45m total
  • San Francisco to Incheon
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 312 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 85 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 4 May 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 22/7

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

Nonstop12h 25m

Incheon Intl

Wed 14/10

4:50 p.m.-11:40 a.m.

Nonstop10h 50m

C$ 1,035

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 11/8

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

Nonstop12h 25m

Incheon Intl

Mon 31/8

11:30 a.m.-6:30 a.m.

Nonstop11h 00m

C$ 1,035

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 21/10

10:25 a.m.-3:00 p.m.

Nonstop12h 35m

Incheon Intl

Wed 11/11

6:30 p.m.-2:01 p.m.

1 stop36h 31m

C$ 1,046

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 18/5

12:00 p.m.-10:45 p.m.

3 stops42h 45m

Incheon Intl

Sat 30/5

7:45 a.m.-9:05 a.m.

3 stops65h 20m

C$ 1,291
Quickest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 9/7

1:10 p.m.-5:20 p.m.

Nonstop12h 10m

Incheon Intl

Sun 30/8

4:00 p.m.-11:00 a.m.

Nonstop11h 00m

C$ 1,442

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 9/7

1:10 p.m.-5:20 p.m.

Nonstop12h 10m

Incheon Intl

Fri 28/8

4:00 p.m.-11:00 a.m.

Nonstop11h 00m

C$ 1,442

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 7/7

5:50 a.m.-3:20 p.m.

1 stop17h 30m

Incheon Intl

Sat 29/8

7:20 p.m.-11:52 p.m.

1 stop20h 32m

C$ 1,449

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 6/7

1:10 p.m.-5:20 p.m.

Nonstop12h 10m

Incheon Intl

Mon 31/8

7:40 p.m.-8:26 a.m.

1 stop28h 46m

C$ 1,469

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 7/7

11:20 p.m.-4:05 a.m.

Nonstop12h 45m

Incheon Intl

Fri 28/8

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

Nonstop11h 00m

C$ 1,500

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 28/9

12:50 p.m.-5:20 p.m.

Nonstop12h 30m

Incheon Intl

Sun 11/10

7:20 p.m.-11:57 p.m.

1 stop20h 37m

C$ 1,511

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Showing 1-10 of 23 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 4 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$ 962). Flying from San Francisco to Incheon Intl Airport in June is currently the most expensive (average of C$ 1,849). 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 4 May 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 5% 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 10 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$ 1,442, United Airlines can have you in Incheon Intl Airport from San Francisco in 12h 10m. 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 (98%), Singapore Airlines (98%) or Asiana Airlines (87%) as they are the most reliable in getting you off to your destination on time.

  • 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$ 962). Flying from San Francisco to Incheon Intl Airport in June is currently the most expensive (average of C$ 1,849). 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.