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Cheap flights from San Francisco to Incheon Intl Airport from C$ 491

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 23/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ICN
4 Sep — 11 Sep1
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 Monday or Thursday and return on a Wednesday

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 5 August 2026.

Tue 1/911:55 p.m. -
Nonstop12h 25m
Tue 15/911:30 a.m. -
Nonstop10h 40m
Deal found 4/8C$ 960
Sun 6/911:55 p.m. -
Nonstop12h 25m
Sun 27/911:30 a.m. -
Nonstop10h 40m
Deal found 5/8C$ 961
Wed 26/810:40 a.m. -
Nonstop12h 20m
Mon 14/94:50 p.m. -
Nonstop10h 50m
Deal found 3/8C$ 964
Sun 25/1011:20 p.m. -
1 stop24h 05m
Wed 28/106:00 p.m. -
Nonstop10h 30m
Deal found 4/8C$ 966
Wed 28/1011:45 p.m. -
Nonstop12h 55m
Wed 11/116:30 p.m. -
1 stop22h 27m
Deal found 4/8C$ 967
Mon 9/113:00 p.m. -
1 stop32h 25m
Tue 17/116:30 p.m. -
1 stop37h 53m
Deal found 5/8C$ 968
Wed 28/1011:30 a.m. -
Nonstop12h 45m
Tue 10/116:30 p.m. -
1 stop32h 00m
Deal found 4/8C$ 973
Thu 22/1010:25 a.m. -
Nonstop12h 35m
Tue 27/105:30 p.m. -
1 stop32h 00m
Deal found 5/8C$ 974
Sun 15/1111:59 p.m. -
1 stop23h 26m
Tue 24/116:30 p.m. -
1 stop32h 00m
Deal found 5/8C$ 980
Fri 4/910:40 a.m. -
Nonstop12h 20m
Wed 16/95:15 p.m. -
1 stop35h 29m
Deal found 31/7C$ 981

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 5 August 2026.

Round-trip from

C$ 960

One-way from

C$ 491

Popular in

June

Cheapest in

January

Average price

C$ 1,036
United Airlines
  • United Airlines
  • 2/11-10/11
  • 1 total stop
  • 36h 35m total
  • San Francisco to Incheon
Search Deals
AIR PREMIA
  • AIR PREMIA
  • 15/8
  • Nonstop
  • 12h 40m total
  • San Francisco to Incheon
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (C$ 459 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 95 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 5 August 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

Sun 22/11

11:59 p.m.-4:25 p.m.

1 stop23h 26m

Incheon Intl

Thu 26/11

12:45 p.m.-6:30 a.m.

Nonstop10h 45m

C$ 966

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 29/10

11:45 p.m.-4:40 a.m.

Nonstop12h 55m

Incheon Intl

Fri 6/11

6:30 p.m.-11:57 p.m.

1 stop22h 27m

C$ 973

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 3/11

10:50 p.m.-4:25 p.m.

1 stop24h 35m

Incheon Intl

Wed 18/11

6:30 p.m.-11:57 p.m.

1 stop22h 27m

C$ 980

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 22/9

11:59 p.m.-3:20 p.m.

1 stop23h 21m

Incheon Intl

Tue 27/10

5:30 p.m.-9:30 a.m.

1 stop32h 00m

C$ 980

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 11/1

11:55 p.m.-4:25 p.m.

1 stop23h 30m

Incheon Intl

Wed 27/1

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

1 stop22h 21m

C$ 1,036
Quickest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 19/8

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$ 1,268

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 21/8

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$ 1,268

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 20/8

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$ 1,268

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 17/9

9:30 a.m.-5:50 p.m.

1 stop16h 20m

Incheon Intl

Tue 22/9

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

Nonstop10h 40m

C$ 1,275

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 14/10

9:54 a.m.-5:50 p.m.

1 stop15h 56m

Incheon Intl

Sat 24/10

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

Nonstop10h 40m

C$ 1,275

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/7

Showing 1-10 of 22 resultsSorted by cheapest first
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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$ 971). Flying from San Francisco to Incheon Intl Airport in June is currently the most expensive (average of C$ 1,958). 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 5 August 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?

Airfare is typical for this route at the moment.

San Francisco to Incheon Intl Airport flights typically cost between C$ 938 and C$ 1,189 in September.
The cheapest round-trip price found within the last 5 days was C$ 960 on United Airlines (1 Sep-15 Sep).

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$ 1,268, United Airlines can have you in Incheon Intl Airport from San Francisco in 12h 10m. Airlines will cover a distance of 9080 km. All flights are typically direct.

  • 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 AIR PREMIA (94%), Thai Airways (90%) or Singapore Airlines (90%) 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$ 971). Flying from San Francisco to Incheon Intl Airport in June is currently the most expensive (average of C$ 1,958). 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

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Alternative routes for San Francisco to Incheon Intl

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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.

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