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Cheap flights from San Francisco to Incheon Intl Airport from C$ 486

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ICN
11 oct. — 18 oct.1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from San Francisco to Incheon Intl are usually found in February or March, booked 52 days in advance, depart on a Saturday or Monday 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 11 septiembre 2025.

Round-trip from

C$ 916

One-way from

C$ 486

Popular in

June

Cheapest in

February

Average price

C$ 1,110

Good round-trip deal

C$ 1,175 or less
United Airlines
  • United Airlines
  • 26/10-11/11
  • Nonstop
  • 23h 30m total
  • San Francisco to Incheon
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21/10
  • 21/10
  • 1 total stop
  • 35h 45m total
  • San Francisco to Incheon
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Highest demand for flights based on searches. 14% potential increase in price (C$ 289 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 72 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from San Francisco to Incheon Intl.
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Find flight deals from San Francisco to Incheon Intl

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 11 septiembre 2025.

dom. 26/1010:30 a.m.SFO - ICN
Nonstop12h 45mUnited Airlines
mar. 11/1112:45 p.m.ICN - SFO
Nonstop10h 45mUnited Airlines
Deal found 11/9C$ 916
mar. 23/910:35 a.m.SFO - ICN
Nonstop12h 25mUnited Airlines
mar. 28/1011:45 a.m.ICN - SFO
Nonstop10h 45mUnited Airlines
Deal found 10/9C$ 917
jue. 11/910:35 a.m.SFO - ICN
Nonstop12h 25mUnited Airlines
mié. 24/94:50 p.m.ICN - SFO
Nonstop10h 45mUnited Airlines
Deal found 10/9C$ 919
sáb. 13/94:52 p.m.SFO - ICN
1 stop33h 43mAlaska Airlines
sáb. 11/108:35 p.m.ICN - SFO
1 stop28h 41mAlaska Airlines
Deal found 11/9C$ 926
mié. 22/109:34 a.m.SFO - ICN
1 stop17h 01mHawaiian Airlines
jue. 30/108:35 p.m.ICN - SFO
1 stop19h 15mHawaiian Airlines
Deal found 10/9C$ 930
sáb. 20/910:08 a.m.SFO - ICN
1 stop16h 27mAlaska Airlines
vie. 24/108:35 p.m.ICN - SFO
1 stop16h 37mAlaska Airlines
Deal found 10/9C$ 937
mar. 23/99:19 p.m.SFO - ICN
1 stop29h 16mAlaska Airlines
sáb. 25/108:35 p.m.ICN - SFO
1 stop17h 54mAlaska Airlines
Deal found 11/9C$ 945
vie. 12/99:19 p.m.SFO - ICN
1 stop29h 16mAlaska Airlines
lun. 15/98:35 p.m.ICN - SFO
1 stop33h 09mAlaska Airlines
Deal found 10/9C$ 952
lun. 15/98:04 p.m.SFO - ICN
1 stop30h 56mAlaska Airlines
lun. 3/118:35 p.m.ICN - SFO
1 stop16h 38mAlaska Airlines
Deal found 11/9C$ 953
sáb. 4/107:54 p.m.SFO - ICN
1 stop30h 41mAlaska Airlines
mié. 22/109:25 p.m.ICN - SFO
1 stop26h 24mAlaska Airlines
Deal found 10/9C$ 960

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 11 septiembre 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

mar. 23/9

10:35 a.m.-3:00 p.m.

Nonstop12h 25m

Incheon Intl

jue. 13/11

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

Nonstop10h 35m

C$ 917

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

lun. 22/9

3:30 p.m.-8:30 p.m.

Nonstop13h 00m

Incheon Intl

mié. 29/10

6:55 p.m.-1:00 p.m.

Nonstop10h 05m

C$ 917

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

lun. 22/9

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

Nonstop12h 35m

Incheon Intl

jue. 13/11

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

Nonstop10h 35m

C$ 917

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

sáb. 20/12

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

Nonstop12h 55m

Incheon Intl

dom. 4/1

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

Nonstop10h 35m

C$ 917

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

dom. 5/10

10:35 a.m.-3:00 p.m.

Nonstop12h 25m

Incheon Intl

dom. 19/10

11:30 a.m.-6:10 a.m.

Nonstop10h 40m

C$ 917

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

sáb. 27/9

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

Nonstop12h 35m

Incheon Intl

lun. 10/11

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

Nonstop10h 45m

C$ 917

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

mar. 23/9

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

Nonstop12h 35m

Incheon Intl

lun. 10/11

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

Nonstop10h 35m

C$ 917

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

dom. 21/12

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

Nonstop12h 55m

Incheon Intl

lun. 5/1

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

Nonstop10h 45m

C$ 917

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

jue. 2/10

10:35 a.m.-3:00 p.m.

Nonstop12h 25m

Incheon Intl

vie. 10/10

4:50 p.m.-11:35 a.m.

Nonstop10h 45m

C$ 917

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

vie. 5/12

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

Nonstop12h 45m

Incheon Intl

mar. 16/12

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

Nonstop10h 45m

C$ 917

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 24 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 29 August 2025.

The best time to book flights from San Francisco to Incheon Intl Airport is 52 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, September is the cheapest month in which you can book a flight from San Francisco to Incheon Intl Airport (average of C$ 940). Flying from San Francisco to Incheon Intl Airport in December is currently the most expensive (average of C$ 1,508). 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 11 septiembre 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 13% versus a flight in the evening.

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 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$ 917, United Airlines can have you in Incheon Intl Airport from San Francisco in 12h 25m. 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 Asiana Airlines (94%), United Airlines (94%) or AIR PREMIA (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$ 1,266, our data indicates the cheapest price to be C$ 920. The most popular route (San Francisco - Incheon Intl), is priced around C$ 916.

  • 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, September is the cheapest month in which you can book a flight from San Francisco to Incheon Intl Airport (average of C$ 940). Flying from San Francisco to Incheon Intl Airport in December is currently the most expensive (average of C$ 1,508). 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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