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Cheap flights from San Francisco to Incheon Intl Airport from C$ 636

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ICN
17 Jul — 24 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 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 17 June 2026.

Thu 29/101:00 p.m.
SFO
-
ICN
1 stop30h 55m
China Eastern
Thu 12/118:55 a.m.
ICN
-
SFO
1 stop17h 05m
China Eastern
Deal found 16/6C$ 1,078
Fri 16/105:00 p.m.
SFO
-
ICN
Nonstop12h 40m
AIR PREMIA
Wed 28/106:55 p.m.
ICN
-
SFO
Nonstop10h 35m
AIR PREMIA
Deal found 16/6C$ 1,086
Mon 26/101:00 p.m.
SFO
-
ICN
3 stops41h 45m
China Eastern
Sat 31/103:40 p.m.
ICN
-
SFO
2 stops58h 20m
China Eastern
Deal found 16/6C$ 1,099
Sun 14/611:55 p.m.
SFO
-
ICN
Nonstop12h 25m
United Airlines
Wed 17/611:30 a.m.
ICN
-
SFO
Nonstop11h 00m
United Airlines
Deal found 12/6C$ 1,106
Fri 25/1210:30 a.m.
SFO
-
ICN
Nonstop12h 45m
United Airlines
Thu 21/112:45 p.m.
ICN
-
SFO
Nonstop10h 45m
United Airlines
Deal found 16/6C$ 1,107
Fri 12/610:40 a.m.
SFO
-
ICN
Nonstop12h 20m
United Airlines
Tue 16/611:30 a.m.
ICN
-
SFO
Nonstop11h 00m
United Airlines
Deal found 12/6C$ 1,109
Mon 28/1211:55 p.m.
SFO
-
ICN
1 stop23h 30m
United Airlines
Sat 16/16:00 p.m.
ICN
-
SFO
Nonstop10h 40m
United Airlines
Deal found 16/6C$ 1,114
Fri 25/1210:30 a.m.
SFO
-
ICN
Nonstop12h 45m
United Airlines
Tue 19/16:30 p.m.
ICN
-
SFO
1 stop32h 00m
United Airlines
Deal found 15/6C$ 1,121
Fri 25/1210:30 a.m.
SFO
-
ICN
Nonstop12h 45m
United Airlines
Sun 17/16:30 p.m.
ICN
-
SFO
1 stop22h 21m
United Airlines
Deal found 16/6C$ 1,123
Mon 13/711:55 p.m.
SFO
-
ICN
Nonstop12h 25m
United Airlines
Mon 20/74:50 p.m.
ICN
-
SFO
Nonstop11h 10m
United Airlines
Deal found 13/6C$ 1,125

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 17 June 2026.

Round-trip from

C$ 1,078

One-way from

C$ 636

Popular in

June

Cheapest in

January

Average price

C$ 1,965

Good round-trip deal

C$ 1,623 or less

Good one-way deal

C$ 761 or less
China Eastern
  • China Eastern
  • 29/10-12/11
  • 2 total stops
  • 48h 00m total
  • San Francisco to Incheon
Search Deals
United Airlines
  • United Airlines
  • 29/9
  • Nonstop
  • 12h 35m total
  • San Francisco to Incheon
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 383 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 97 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 17 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 15/7

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

Nonstop12h 25m

Incheon Intl

Mon 20/7

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

Nonstop11h 10m

C$ 1,139

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 3/9

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

1 stop16h 20m

Incheon Intl

Thu 10/9

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

Nonstop10h 40m

C$ 1,296

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 31/8

2:36 p.m.-4:40 a.m.

1 stop22h 04m

Incheon Intl

Fri 4/9

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

Nonstop10h 40m

C$ 1,300

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 2/9

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

Nonstop12h 30m

Incheon Intl

Fri 2/10

4:40 p.m.-8:18 p.m.

1 stop19h 38m

C$ 1,303

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 25/9

6:00 a.m.-4:50 p.m.

1 stop18h 50m

Incheon Intl

Sun 4/10

7:00 p.m.-4:57 p.m.

1 stop13h 57m

C$ 1,310

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 27/9

6:00 a.m.-4:40 p.m.

1 stop18h 40m

Incheon Intl

Sun 11/10

4:40 p.m.-4:02 p.m.

1 stop15h 22m

C$ 1,310

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 13/10

11:20 p.m.-4:25 a.m.

Nonstop13h 05m

Incheon Intl

Sun 18/10

9:00 p.m.-3:30 p.m.

Nonstop10h 30m

C$ 1,348
Quickest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 23/10

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

Nonstop12h 30m

Incheon Intl

Fri 13/11

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

Nonstop10h 30m

C$ 1,348

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 4/11

6:05 a.m.-3:55 p.m.

1 stop16h 50m

Incheon Intl

Mon 16/11

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

Nonstop10h 30m

C$ 1,352

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 14/10

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

1 stop23h 40m

Incheon Intl

Sun 18/10

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

Nonstop10h 40m

C$ 1,356

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/6

Showing 1-10 of 24 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$ 1,965). 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 17 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 in the evening, 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 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$ 1,139, United Airlines can have you in Incheon Intl Airport from San Francisco in 12h 25m. 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 (93%), Singapore Airlines (93%) or AIR PREMIA (86%) 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$ 1,313, our data indicates the cheapest price to be C$ 758. The most popular route (San Francisco - Incheon Intl), is priced around C$ 1,524.

  • 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$ 1,965). 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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