HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Incheon Intl

$366+ Cheap flights from San Francisco (SFO) to Incheon Intl (ICN)

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ICN
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to Incheon Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from San Francisco to Incheon Intl are usually found in January or February, booked 89 days in advance, depart on a Monday or Sunday and return on a Tuesday

Cheap 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 March 22, 2026.

This United Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:45 pm
SFO
-
ICN
Nonstop12h 35m
United Airlines
Fri 11/612:45 pm
ICN
-
SFO
Nonstop10h 45m
United Airlines
Deal found 3/22$662
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/183:30 pm
SFO
-
ICN
Nonstop12h 40m
AIR PREMIA
Wed 11/46:55 pm
ICN
-
SFO
Nonstop10h 35m
AIR PREMIA
Deal found 3/18$663
This Trip.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/512:30 am
SFO
-
ICN
1 stop37h 30m
Multiple Airlines
Wed 8/1912:55 pm
ICN
-
SFO
1 stop18h 20m
Multiple Airlines
Deal found 3/19$664
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/411:40 pm
SFO
-
ICN
Nonstop12h 40m
United Airlines
Fri 4/174:50 pm
ICN
-
SFO
Nonstop10h 45m
United Airlines
Deal found 3/18$665
This United Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/2511:05 pm
SFO
-
ICN
1 stop24h 20m
United Airlines
Thu 11/56:00 pm
ICN
-
SFO
Nonstop10h 35m
United Airlines
Deal found 3/20$666
This AIR PREMIA deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AIR PREMIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/113:30 pm
SFO
-
ICN
Nonstop12h 40m
AIR PREMIA
Sat 10/316:55 pm
ICN
-
SFO
Nonstop10h 35m
AIR PREMIA
Deal found 3/17$668
This Trip.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:00 am
SFO
-
ICN
1 stop18h 30m
Alaska Airlines
Mon 5/117:35 pm
ICN
-
SFO
1 stop29h 52m
Alaska Airlines
Deal found 3/20$670
This United Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:25 am
SFO
-
ICN
Nonstop12h 35m
United Airlines
Fri 11/66:30 pm
ICN
-
SFO
1 stop22h 21m
United Airlines
Deal found 3/22$672
This Cheapflightsfares deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1511:13 am
SFO
-
ICN
1 stop15h 22m
Multiple Airlines
Wed 5/67:35 pm
ICN
-
SFO
1 stop14h 34m
Multiple Airlines
Deal found 3/20$675
This Alaska Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/39:00 am
SFO
-
ICN
1 stop16h 30m
Alaska Airlines
Mon 5/117:35 pm
ICN
-
SFO
1 stop17h 48m
Alaska Airlines
Deal found 3/20$676
This Trip.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:30 am
SFO
-
ICN
1 stop26h 45m
Philippine Airlines
Wed 11/47:20 am
ICN
-
SFO
1 stop30h 50m
Philippine Airlines
Deal found 3/18$680
This Alaska Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/17:00 am
SFO
-
ICN
1 stop18h 30m
Alaska Airlines
Sun 5/107:35 pm
ICN
-
SFO
1 stop41h 48m
Alaska Airlines
Deal found 3/22$682

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 March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$662
(United Airlines)

One-way from

$366
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$785

Good round-trip deal

$684 or less

Good one-way deal

$366 or less
Provider with most accurate pricing for San Francisco-Incheon Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Incheon Intl flights.
Search Deals
From San Francisco to Incheon Intl
Search Deals
One-way flight from San Francisco to Incheon Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 2,558,603 searches. Data last updated March 22, 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

Sat 5/2

11:40 pm-4:20 am

Nonstop12h 40m

Incheon Intl

Thu 5/21

11:30 am-6:30 am

Nonstop11h 00m

$662

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 7/23

10:40 am-3:00 pm

Nonstop12h 20m

Incheon Intl

Thu 9/3

4:50 pm-12:00 pm

Nonstop11h 10m

$812

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 4/18

11:40 pm-4:20 am

Nonstop12h 40m

Incheon Intl

Sun 4/26

4:50 pm-11:35 am

Nonstop10h 45m

$812

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 9/1

11:55 pm-4:20 am

Nonstop12h 25m

Incheon Intl

Tue 9/8

4:50 pm-11:40 am

Nonstop10h 50m

$812

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 4/26

10:20 am-3:00 pm

Nonstop12h 40m

Incheon Intl

Thu 5/7

4:50 pm-11:35 am

Nonstop10h 45m

$812
Quickest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 9/10

12:50 pm-5:20 pm

Nonstop12h 30m

Incheon Intl

Mon 9/21

4:00 pm-10:40 am

Nonstop10h 40m

$862

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 9/17

12:50 pm-5:20 pm

Nonstop12h 30m

Incheon Intl

Tue 9/22

4:00 pm-10:40 am

Nonstop10h 40m

$862

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 8/31

8:55 am-5:50 pm

1 stop16h 55m

Incheon Intl

Mon 9/14

4:00 pm-10:40 am

Nonstop10h 40m

$866

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 9/6

6:05 am-4:50 pm

1 stop18h 45m

Incheon Intl

Mon 9/21

7:00 pm-7:55 pm

1 stop16h 55m

$876

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 9/4

8:55 am-5:50 pm

1 stop16h 55m

Incheon Intl

Sun 9/20

4:40 pm-7:55 pm

1 stop19h 15m

$876

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from San Francisco to Incheon Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Incheon Intl in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
GurufarePrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Incheon Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Incheon Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Incheon Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Incheon Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Incheon Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 March 13, 2026.

Booking 5 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Incheon Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $468). Flying from San Francisco to Incheon Intl Airport in June is currently the most expensive (average of $661). 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 March 22, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 13% on flights from San Francisco to Incheon Intl Airport by exploring options for tickets in the afternoon.

What is the cheapest day to fly from San Francisco to Incheon Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Incheon Intl. Price data was last updated on March 14, 2026.

Travelers seeking maximum savings on their San Francisco to Incheon Intl Airport flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for San Francisco to Incheon Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Incheon Intl Airport trip
Our travel experts
Esther Carlstone

Esther Carlstone

Expert on AIR PREMIA

Esther Carlstone is a travel and food writer based in Los Angeles. Her work has appeared in publications such as Travel + Leisure, Lonely Planet, Forbes, Tripadvisor, Insider, and more.

Read more
Marisa Garcia

Marisa Garcia

Expert on Asiana Airlines

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Harriet Baskas

Harriet Baskas

Expert on SFO

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

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 March 22, 2026.
Read reviews from past customers who have flown Korean Air,AIR PREMIA, andAsiana Airlines from San Francisco to Incheon Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

Comfort

8.3

Crew

8.7

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
1,202 reviews
Korean Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

Comfort

8.3

Crew

8.7

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
83 reviews
Korean Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

Comfort

8.3

Crew

8.7

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
8.1
Very good
506 reviews
Korean Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

Comfort

8.3

Crew

8.7

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.
Delta
7.9
Good
8,319 reviews
Korean Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

Comfort

8.3

Crew

8.7

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.
United Airlines
7.4
Good
9,459 reviews
Korean Air
8.4
Very good
1,202 reviews

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

Comfort

8.3

Crew

8.7

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), located 11.8 mi from the city center, is the airport you fly out of when you book flights from San Francisco to Incheon Intl. 11 airlines have flights from San Francisco to Incheon Intl on a regular basis. Booking flights from San Francisco to Incheon Intl should not be difficult; the airport handles an average of 10 outbound flights to Incheon Intl per day.

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

    United Airlines can get you from San Francisco to Incheon Intl Airport in just under 12h 40m. Your travel time will be generally consistent. Airlines will cover a distance of 5642 mi. Generally, flights for this route are nonstop.

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

    Flying on AIR PREMIA is currently your cheapest option to Incheon Intl Airport, with prices starting at $538. Additional round-trip tickets that might be worth considering are offered by Japan Airlines and Cathay Pacific, with the lowest prices starting at $630 and $640, respectively. AIR PREMIA is 35% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 $197 on Hawaiian Airlines. Other airlines that offer cheap prices include WestJet from $302 and Cathay Pacific from $311 one-way.

  • What are the most reliable airlines from San Francisco to Incheon Intl Airport?

    Before booking your flight to Incheon Intl Airport from San Francisco, check out the most reliable airlines to get you to your destination on time: Thai Airways (92%), Singapore Airlines (92%), AIR PREMIA( 90%).

  • What are the cheapest flights from San Francisco to Incheon Intl Airport?

    On average you can expect to pay $1,347 for a flight from San Francisco to Incheon Intl Airport. The cheapest flight overall is $311 while the most popular route, (San Francisco - Incheon Intl) is currently priced at $627.

  • 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 $468). Flying from San Francisco to Incheon Intl Airport in June is currently the most expensive (average of $661). 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

Traveling to a place near Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Seongnam
Suwon

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from San Francisco to Incheon Intl

Discover the top 10 airlines 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 2,558,603 searches. Data last updated March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
AIR PREMIACheapest$510Average$725FlexibilityNo cancel feeOn-timeN/A
Japan AirlinesCheapest$630Average$640FlexibilityNo cancel feeOn-time79%
Cathay PacificCheapest$640Average$890FlexibilityNo cancel feeOn-time72%
Singapore AirlinesCheapest$651Average$848FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$660Average$743FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$672Average$807FlexibilityNo cancel feeOn-time76%
Alaska AirlinesCheapest$672Average$1,072FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$796Average$1,115FlexibilityNo cancel feeOn-time67%
Korean AirCheapest$812Average$871FlexibilityNo cancel feeOn-time81%
DeltaCheapest$861Average$1,192FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.