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Cheap flights from San Francisco to Incheon Intl Airport from C$ 512

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 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ICN
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from San Francisco to Incheon Intl are usually found in February or January, booked 89 days in advance, depart on a Monday or Saturday and return on a Tuesday

Cheap 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 27 October 2025.

Round-trip from

C$ 925

One-way from

C$ 512

Popular in

June

Cheapest in

February

Average price

C$ 1,097

Good round-trip deal

C$ 925 or less

Good one-way deal

C$ 527 or less
United Airlines
  • United Airlines
  • 10/11-17/11
  • Nonstop
  • 23h 40m total
  • San Francisco to Incheon
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AIR PREMIA
  • AIR PREMIA
  • 18/1
  • Nonstop
  • 13h 00m total
  • San Francisco to Incheon
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Highest demand for flights based on searches. 16% potential increase in price (C$ 317 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 78 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from San Francisco to Incheon Intl.
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Price to beat on a one-way flight from San Francisco to Incheon Intl.
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Find 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 27 October 2025.

Wed 5/1110:30 a.m.SFO - ICN
Nonstop12h 45mUnited Airlines
Mon 24/1112:45 p.m.ICN - SFO
Nonstop10h 45mUnited Airlines
Deal found 27/10C$ 925
Wed 5/1111:45 p.m.SFO - ICN
Nonstop12h 55mUnited Airlines
Wed 26/1112:45 p.m.ICN - SFO
Nonstop10h 45mUnited Airlines
Deal found 27/10C$ 926
Sun 26/1010:30 a.m.SFO - ICN
Nonstop12h 40mUnited Airlines
Mon 10/116:00 p.m.ICN - SFO
Nonstop10h 35mUnited Airlines
Deal found 25/10C$ 928
Sun 26/1011:45 p.m.SFO - ICN
Nonstop12h 55mUnited Airlines
Tue 11/116:00 p.m.ICN - SFO
Nonstop10h 35mUnited Airlines
Deal found 25/10C$ 929
Mon 27/1011:30 p.m.SFO - ICN
1 stop27h 55mPhilippine Airlines
Thu 6/117:30 a.m.ICN - SFO
1 stop29h 00mPhilippine Airlines
Deal found 25/10C$ 935
Wed 5/119:00 a.m.SFO - ICN
1 stop16h 35mHawaiian Airlines
Fri 14/118:35 p.m.ICN - SFO
1 stop19h 06mHawaiian Airlines
Deal found 26/10C$ 938
Wed 29/109:00 a.m.SFO - ICN
1 stop17h 35mAlaska Airlines
Fri 7/118:35 p.m.ICN - SFO
1 stop19h 06mAlaska Airlines
Deal found 27/10C$ 946
Sat 1/117:37 p.m.SFO - ICN
1 stop30h 58mAlaska Airlines
Thu 6/118:35 p.m.ICN - SFO
1 stop19h 06mAlaska Airlines
Deal found 27/10C$ 953
Mon 27/107:59 p.m.SFO - ICN
1 stop31h 26mAlaska Airlines
Fri 31/108:35 p.m.ICN - SFO
1 stop17h 06mAlaska Airlines
Deal found 26/10C$ 961
Sat 15/1111:45 p.m.SFO - ICN
Nonstop12h 55mUnited Airlines
Sat 22/1112:45 p.m.ICN - SFO
Nonstop10h 45mUnited Airlines
Deal found 27/10C$ 1,016
Wed 26/1110:30 a.m.SFO - ICN
Nonstop12h 45mUnited Airlines
Tue 2/126:00 p.m.ICN - SFO
Nonstop10h 35mUnited Airlines
Deal found 26/10C$ 1,017

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 27 October 2025.
Use the filters below to find and compare flights from San Francisco to Incheon Intl Airport that are best for you.

Fly from

San Francisco

Fly to

Incheon Intl

Route

Depart

Return

Price

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 9/1

10:30 a.m.-4:15 p.m.

Nonstop12h 45m

Incheon Intl

Thu 22/1

6:00 p.m.-11:35 a.m.

Nonstop10h 35m

C$ 925

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 13/11

10:30 a.m.-4:15 p.m.

Nonstop12h 45m

Incheon Intl

Sat 22/11

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

Nonstop10h 45m

C$ 925

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 16/11

10:30 a.m.-4:15 p.m.

Nonstop12h 45m

Incheon Intl

Wed 26/11

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

Nonstop10h 45m

C$ 925

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 11/11

11:45 p.m.-5:40 a.m.

Nonstop12h 55m

Incheon Intl

Wed 26/11

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

Nonstop10h 45m

C$ 925

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 1/3

6:00 a.m.-6:35 p.m.

1 stop19h 35m

Incheon Intl

Sat 14/3

8:35 p.m.-8:18 p.m.

1 stop15h 43m

C$ 946

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 3/2

4:46 p.m.-6:35 p.m.

1 stop32h 49m

Incheon Intl

Mon 16/2

8:35 p.m.-11:43 p.m.

1 stop20h 08m

C$ 953

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 10/2

4:46 p.m.-6:35 p.m.

1 stop32h 49m

Incheon Intl

Sat 21/2

8:35 p.m.-8:18 p.m.

1 stop16h 43m

C$ 953

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 26/11

10:30 a.m.-4:15 p.m.

Nonstop12h 45m

Incheon Intl

Tue 2/12

6:00 p.m.-11:35 a.m.

Nonstop10h 35m

C$ 1,017

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 16/4

12:55 p.m.-7:05 p.m.

1 stop38h 10m

Incheon Intl

Tue 21/4

3:10 p.m.-10:40 p.m.

1 stop23h 30m

C$ 1,142

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 29/12

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

1 stop18h 55m

Incheon Intl

Wed 21/1

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

Nonstop10h 30m

C$ 1,212

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

Showing 1-10 of 20 results
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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?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Incheon Intl. Price data was last updated on 24 October 2025.

The best time to book flights from San Francisco to Incheon Intl Airport is 1 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, April is the cheapest month in which you can book a flight from San Francisco to Incheon Intl Airport (average of C$ 579). Flying from San Francisco to Incheon Intl Airport in June is currently the most expensive (average of C$ 970). 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 27 October 2025.

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 7% versus a flight in the afternoon.

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 9 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 19.0 km journey to San Francisco (SFO) from San Francisco’s city centre.

  • How popular is this San Francisco to Incheon Intl Airport flight route?

    Within the past month, 26 users have taken a look at flights from San Francisco to Incheon Intl.

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

    For as low as C$ 925, United Airlines can have you in Incheon Intl Airport from San Francisco in 12h 45m. 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 AIR PREMIA (94%), Thai Airways (93%) or Singapore Airlines (93%) 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$ 734, our data indicates the cheapest price to be C$ 527. The most popular route (San Francisco - Incheon Intl), is priced around C$ 922.

  • 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, April is the cheapest month in which you can book a flight from San Francisco to Incheon Intl Airport (average of C$ 579). Flying from San Francisco to Incheon Intl Airport in June is currently the most expensive (average of C$ 970). 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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