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Cheap flights from San Francisco to Incheon Intl Airport from C$ 499

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ICN
3 Aug — 10 Aug1
1 adult

Cheapflights Tip: The best prices from San Francisco to Incheon Intl are usually found in February or March, booked 1 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 29 July 2025.

Round-trip from

C$ 907

One-way from

C$ 499

Popular in

December

Cheapest in

February

Average price

C$ 1,276

Good round-trip deal

C$ 972 or less

Good one-way deal

C$ 533 or less
United Airlines
  • United Airlines
  • 9/8-25/8
  • Nonstop
  • 23h 25m total
  • San Francisco to Incheon
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AIR PREMIA
  • AIR PREMIA
  • 3/8
  • Nonstop
  • 13h 00m total
  • San Francisco to Incheon
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 128 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 68 potential savings vs. average RT price).
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Average for round-trip flights in July 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

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 29 July 2025.

Sat 9/811:55 p.m.SFO - ICN
Nonstop12h 25mUnited Airlines
Mon 25/811:30 a.m.ICN - SFO
Nonstop11h 00mUnited Airlines
Deal found 27/7C$ 907
Sat 27/98:00 a.m.SFO - ICN
1 stop18h 35mHawaiian Airlines
Sat 11/108:35 p.m.ICN - SFO
1 stop17h 54mHawaiian Airlines
Deal found 29/7C$ 910
Wed 22/1011:22 a.m.SFO - ICN
1 stop15h 13mAlaska Airlines
Sun 19/48:35 p.m.ICN - SFO
1 stop29h 56mAlaska Airlines
Deal found 28/7C$ 911
Thu 14/812:00 p.m.SFO - ICN
2 stops31h 15mChina Eastern
Fri 22/88:15 p.m.ICN - SFO
2 stops28h 50mChina Eastern
Deal found 29/7C$ 931
Fri 17/103:30 p.m.SFO - ICN
Nonstop13h 00mAIR PREMIA
Fri 17/46:20 p.m.ICN - SFO
Nonstop10h 40mAIR PREMIA
Deal found 28/7C$ 949
Thu 14/811:30 p.m.SFO - ICN
Nonstop12h 30mAsiana Airlines
Fri 22/88:55 p.m.ICN - SFO
Nonstop11h 05mAsiana Airlines
Deal found 28/7C$ 1,082
Mon 13/1012:55 p.m.SFO - ICN
1 stop40h 15mCathay Pacific
Sun 16/111:50 p.m.ICN - SFO
1 stop24h 25mCathay Pacific
Deal found 29/7C$ 1,148
Sun 26/103:30 p.m.SFO - ICN
1 stop21h 40mKorean Air
Tue 11/114:00 p.m.ICN - SFO
Nonstop10h 30mKorean Air
Deal found 29/7C$ 1,178
Tue 12/81:10 p.m.SFO - ICN
Nonstop12h 10mDelta
Thu 21/88:25 p.m.ICN - SFO
1 stop18h 46mDelta
Deal found 29/7C$ 1,196

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 29 July 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

Sat 9/8

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

Nonstop12h 25m

Incheon Intl

Mon 25/8

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

Nonstop11h 00m

C$ 907

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 27/9

8:00 a.m.-6:35 p.m.

1 stop18h 35m

Incheon Intl

Sat 11/10

8:35 p.m.-10:29 p.m.

1 stop17h 54m

C$ 910

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 22/10

11:22 a.m.-6:35 p.m.

1 stop15h 13m

Incheon Intl

Thu 16/4

8:35 p.m.-11:38 p.m.

1 stop19h 03m

C$ 911

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 14/8

12:00 p.m.-11:15 a.m.

2 stops31h 15m

Incheon Intl

Fri 22/8

8:15 p.m.-9:05 a.m.

2 stops28h 50m

C$ 931

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 17/10

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

Nonstop13h 00m

Incheon Intl

Fri 17/4

6:20 p.m.-1:00 p.m.

Nonstop10h 40m

C$ 949

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 14/8

11:30 p.m.-4:00 a.m.

Nonstop12h 30m

Incheon Intl

Fri 22/8

8:55 p.m.-4:00 p.m.

Nonstop11h 05m

C$ 1,082

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 14/10

12:55 p.m.-9:10 p.m.

1 stop40h 15m

Incheon Intl

Mon 27/10

7:35 p.m.-10:45 a.m.

1 stop31h 10m

C$ 1,148

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 26/10

3:30 p.m.-5:10 a.m.

1 stop21h 40m

Incheon Intl

Tue 11/11

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

Nonstop10h 30m

C$ 1,178

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 12/8

1:10 p.m.-5:20 p.m.

Nonstop12h 10m

Incheon Intl

Thu 21/8

8:25 p.m.-11:11 p.m.

1 stop18h 46m

C$ 1,196

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 19/10

8:20 a.m.-6:35 p.m.

1 stop18h 15m

Incheon Intl

Sun 19/4

6:20 p.m.-1:00 p.m.

Nonstop10h 40m

C$ 1,198

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

Showing 1-10 of 21 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 25 July 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, May is the cheapest month in which you can book a flight from San Francisco to Incheon Intl Airport (average of C$ 1,020). Flying from San Francisco to Incheon Intl Airport in December is currently the most expensive (average of C$ 1,528). 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 29 July 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 14% versus a flight in the evening.

Weekly flight availability from San Francisco to Incheon Intl Airport

Explore weekly flight availability from San Francisco to Incheon Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 July 2025.

The most flights from SFO to ICN are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Incheon Intl. Reviews last updated 29 July 2025.
Read through reviews of airlines operating flights from San Francisco to Incheon Intl Airport, such as Korean Air,China Airlines, andAIR PREMIA. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,121 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.2

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,121 reviews
Korean Air
8.4
Very good
1,121 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.2

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
China Airlines
8.3
Very good
754 reviews
Korean Air
8.4
Very good
1,121 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.2

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
AIR PREMIA
8.2
Very good
Korean Air
8.4
Very good
1,121 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.2

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.2
Very good
465 reviews
Korean Air
8.4
Very good
1,121 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.2

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Alaska Airlines
8.0
Very good
10,000 reviews
Korean Air
8.4
Very good
1,121 reviews
Check prices

Crew

8.7

Overall

8.4

Food

8.1

Comfort

8.2

Entertainment

8.2

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

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 1 airline has 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.

  • What are the cheapest airlines flying from San Francisco to Incheon Intl Airport round-trip?

    Our cheapest airline available from San Francisco to Incheon Intl Airport is United Airlines. Our recent data shows that you can find tickets from as low as C$ 907 on this airline. Additional options worth looking into are Hawaiian Airlines and Alaska Airlines, starting at C$ 910 and C$ 911 round-trip. These flights start at 25% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from San Francisco to Incheon Intl Airport one-way?

    One-way options have recently been found by users for as low as C$ 499 on AIR PREMIA. Other airlines that offer cheap prices include Vietnam Airlines from C$ 631 and Alaska Airlines from C$ 652 one-way.

  • 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 (97%), Singapore Airlines (97%) or AIR PREMIA (90%) 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$ 777, our data indicates the cheapest price to be C$ 533. The most popular route (San Francisco - Incheon Intl), is priced around C$ 908.

  • 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, May is the cheapest month in which you can book a flight from San Francisco to Incheon Intl Airport (average of C$ 1,020). Flying from San Francisco to Incheon Intl Airport in December is currently the most expensive (average of C$ 1,528). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to Incheon Intl

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Incheon Intl flights

Top airline flying from San Francisco to Incheon Intl

Discover the top airline that operate flights from San Francisco to Incheon Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 29 July 2025.
AirlineCheapestAverageFlexibilityOn-time
AIR PREMIACheapestC$ 785AverageC$ 954FlexibilityNo cancel feeOn-timeN/A
Search AIR PREMIA flights

Fly with Cheapflights

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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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