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Cheap flights from San Francisco to Incheon Intl Airport from C$ 493

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ICN
14 Jan — 21 Jan1
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

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 15 December 2025.

Mon 29/1210:30 a.m.SFO - ICN
Nonstop12h 45mUnited Airlines
Thu 15/16:00 p.m.ICN - SFO
Nonstop10h 35mUnited Airlines
Deal found 13/12C$ 1,461
Mon 29/129:21 a.m.SFO - ICN
1 stop26h 49mDelta
Wed 21/14:00 p.m.ICN - SFO
Nonstop10h 30mDelta
Deal found 14/12C$ 1,466
Sat 27/1211:40 a.m.SFO - ICN
Nonstop13h 00mDelta
Tue 20/14:10 p.m.ICN - SFO
1 stop18h 39mDelta
Deal found 13/12C$ 1,475
Thu 18/1210:40 a.m.SFO - ICN
1 stop18h 45mUnited Airlines
Thu 1/112:45 p.m.ICN - SFO
Nonstop10h 45mUnited Airlines
Deal found 14/12C$ 1,477
Mon 29/126:00 a.m.SFO - ICN
1 stop17h 20mDelta
Thu 15/18:05 p.m.ICN - SFO
1 stop14h 44mDelta
Deal found 15/12C$ 1,482
Tue 23/1211:45 p.m.SFO - ICN
Nonstop12h 55mUnited Airlines
Wed 7/19:00 a.m.ICN - SFO
2 stops27h 44mUnited Airlines
Deal found 14/12C$ 1,491
Fri 26/129:41 p.m.SFO - ICN
1 stop27h 54mMultiple Airlines
Sun 28/128:35 p.m.ICN - SFO
2 stops29h 42mMultiple Airlines
Deal found 14/12C$ 1,575
Thu 25/1210:30 a.m.SFO - ICN
Nonstop12h 45mUnited Airlines
Sun 28/1212:45 p.m.ICN - SFO
Nonstop10h 45mUnited Airlines
Deal found 13/12C$ 1,599
Fri 26/126:00 a.m.SFO - ICN
1 stop18h 35mDelta
Sun 28/127:40 p.m.ICN - SFO
1 stop21h 23mDelta
Deal found 14/12C$ 1,619

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 15 December 2025.

Round-trip from

C$ 910

One-way from

C$ 493

Popular in

June

Cheapest in

February

Average price

C$ 1,555
AIR PREMIA
  • AIR PREMIA
  • 21/1-23/1
  • Nonstop
  • 23h 35m total
  • San Francisco to Incheon
Search Deals
AIR PREMIA
  • AIR PREMIA
  • 28/1
  • Nonstop
  • 13h 00m total
  • San Francisco to Incheon
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 300 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 75 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 15 December 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

Tue 20/1

11:50 p.m.-5:45 a.m.

Nonstop12h 55m

Incheon Intl

Mon 26/1

8:50 p.m.-2:00 p.m.

Nonstop10h 10m

C$ 1,119

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 15/1

9:00 a.m.-6:35 p.m.

1 stop16h 35m

Incheon Intl

Mon 19/1

8:35 p.m.-5:59 p.m.

1 stop14h 24m

C$ 1,137

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 11/2

2:30 p.m.-8:30 p.m.

Nonstop13h 00m

Incheon Intl

Wed 25/2

6:55 p.m.-12:30 p.m.

Nonstop10h 35m

C$ 1,186

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 29/3

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

1 stop25h 35m

Incheon Intl

Fri 3/4

5:55 p.m.-6:40 p.m.

1 stop40h 45m

C$ 1,290

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 19/3

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

1 stop26h 15m

Incheon Intl

Wed 1/4

11:05 a.m.-6:40 p.m.

2 stops47h 35m

C$ 1,320

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 14/1

7:57 a.m.-6:35 p.m.

2 stops17h 38m

Incheon Intl

Mon 19/1

8:35 p.m.-9:58 p.m.

1 stop18h 23m

C$ 1,355

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 4/2

9:42 p.m.-6:35 p.m.

2 stops27h 53m

Incheon Intl

Mon 23/2

8:35 p.m.-9:08 a.m.

2 stops29h 33m

C$ 1,429

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 11/2

7:57 a.m.-6:35 p.m.

2 stops17h 38m

Incheon Intl

Sat 21/2

8:35 p.m.-9:36 p.m.

2 stops18h 01m

C$ 1,436

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 26/3

12:40 p.m.-5:40 p.m.

Nonstop13h 00m

Incheon Intl

Mon 6/4

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

Nonstop10h 40m

C$ 1,461

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 10/1

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

Nonstop12h 45m

Incheon Intl

Sun 18/1

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

Nonstop10h 35m

C$ 1,461

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/12

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 12 December 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$ 614). Flying from San Francisco to Incheon Intl Airport in June is currently the most expensive (average of C$ 914). 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 15 December 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 in the evening, which can drop the price by up to 7% 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 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$ 1,119, Asiana Airlines can have you in Incheon Intl Airport from San Francisco in 12h 55m. 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 (74%), Korean Air (69%) or Thai Airways (67%) 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, April is the cheapest month in which you can book a flight from San Francisco to Incheon Intl Airport (average of C$ 614). Flying from San Francisco to Incheon Intl Airport in June is currently the most expensive (average of C$ 914). 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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