HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seoul

$344+ Cheap flights from San Francisco (SFO) to Seoul (SEL)

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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEL
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to Seoul 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 Seoul are usually found in February or August, booked 90 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Find flight deals from San Francisco to Seoul

Cheapest flights from San Francisco to Seoul
Explore the most affordable flight options available from San Francisco to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
vie. 12/52:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
lun. 12/156:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Deal found 10/29$648
This oojo deal was found by Cheapflights users on 10/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/32:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
mié. 11/126:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Deal found 10/30$649
This Vliegwinkel deal was found by Cheapflights users on 10/29. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/319:00 amSFO - ICN
1 stop17h 35mHawaiian Airlines
vie. 11/148:35 pmICN - SFO
1 stop18h 06mHawaiian Airlines
Deal found 10/29$650
This CheapOair deal was found by Cheapflights users on 10/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2911:30 pmSFO - ICN
1 stop27h 55mMultiple Airlines
lun. 11/36:55 pmICN - SFO
Nonstop10h 35mMultiple Airlines
Deal found 10/28$651
This SmartFares deal was found by Cheapflights users on 10/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/78:00 amSFO - ICN
1 stop17h 35mAlaska Airlines
sáb. 11/158:35 pmICN - SFO
1 stop14h 28mAlaska Airlines
Deal found 10/28$654
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/2911:30 pmSFO - ICN
1 stop27h 55mMultiple Airlines
mié. 11/56:55 pmICN - SFO
Nonstop10h 35mMultiple Airlines
Deal found 10/28$659
This United Airlines deal was found by Cheapflights users on 10/27. 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.
mar. 12/211:45 pmSFO - ICN
Nonstop12h 55mUnited Airlines
mar. 12/236:00 pmICN - SFO
Nonstop10h 35mUnited Airlines
Deal found 10/27$661
This United Airlines deal was found by Cheapflights users on 10/28. 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.
mar. 10/2811:45 pmSFO - ICN
Nonstop12h 55mUnited Airlines
sáb. 11/15:05 pmICN - SFO
Nonstop10h 30mUnited Airlines
Deal found 10/28$662
This United Airlines deal was found by Cheapflights users on 10/29. 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.
vie. 10/3110:30 amSFO - ICN
Nonstop12h 40mUnited Airlines
vie. 11/1412:45 pmICN - SFO
Nonstop10h 45mUnited Airlines
Deal found 10/29$663
This United Airlines deal was found by Cheapflights users on 10/29. 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.
jue. 10/3010:30 amSFO - ICN
Nonstop12h 40mUnited Airlines
jue. 11/612:45 pmICN - SFO
Nonstop10h 45mUnited Airlines
Deal found 10/29$664
This Flighttix deal was found by Cheapflights users on 10/28. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/284:39 pmSFO - ICN
1 stop33h 56mHawaiian Airlines
sáb. 11/18:35 pmICN - SFO
1 stop15h 38mHawaiian Airlines
Deal found 10/28$666
This FlightHub deal was found by Cheapflights users on 10/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/2712:00 pmSFO - GMP
1 stop38h 50mChina Eastern
dom. 1/258:50 pmGMP - SFO
1 stop29h 10mChina Eastern
Deal found 10/30$808

Cheap flight deals from San Francisco to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Seoul (SEL). 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 octubre 30, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$648
(Kiwi.com)

One-way from

$344
(SmartFares)

Popular in

December

Cheapest in

February

Average price

$751

Good round-trip deal

$661 or less

Good one-way deal

$371 or less
Provider with most accurate pricing for San Francisco-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Seoul (SEL) flights.
Search Deals
From San Francisco to Seoul (SEL)
Search Deals
One-way flight from San Francisco to Seoul (SEL)
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from San Francisco to Seoul (SEL).
Search Deals
Price to beat on a one-way flight from San Francisco to Seoul (SEL).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Seoul 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 octubre 30, 2025.
Use the filters below to find and compare flights from San Francisco to Seoul that are best for you.

Fly from

San Francisco

Fly to

Seoul

Route

Depart

Return

Price

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

dom. 12/7

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

vie. 12/19

12:45 pm-6:30 am

Nonstop10h 45m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

jue. 1/22

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

mar. 2/10

12:45 pm-6:30 am

Nonstop10h 45m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

lun. 12/1

11:45 pm-5:40 am

Nonstop12h 55m

Incheon Intl

vie. 12/19

6:00 pm-11:35 am

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

jue. 11/27

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

sáb. 12/6

12:45 pm-6:30 am

Nonstop10h 45m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

mié. 11/5

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

mié. 11/26

12:45 pm-6:30 am

Nonstop10h 45m

$666

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

sáb. 11/15

7:37 pm-6:35 pm

1 stop29h 58m

Incheon Intl

dom. 11/23

8:35 pm-11:36 pm

1 stop20h 01m

$681

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

vie. 12/26

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

jue. 1/22

6:00 pm-11:35 am

Nonstop10h 35m

$726

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

jue. 12/25

11:45 pm-5:40 am

Nonstop12h 55m

Incheon Intl

dom. 1/25

6:00 pm-11:35 am

Nonstop10h 35m

$777

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

mié. 11/5

6:59 pm-5:10 am

1 stop17h 11m

Incheon Intl

mié. 11/26

4:00 pm-9:30 am

Nonstop10h 30m

$866

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

mar. 11/11

3:35 pm-5:10 am

1 stop20h 35m

Incheon Intl

mar. 11/18

4:00 pm-9:30 am

Nonstop10h 30m

$866

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 44 results
1
2
3
...
5

Compare providers for flights from San Francisco to Seoul

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 Seoul in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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-Seoul flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on San Francisco-Seoul flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from San Francisco-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Seoul flights, Cheapflights users trust Justfly.com the most. Justfly.com 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-Seoul 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 Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul 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 Seoul

How far ahead should I book a flight from San Francisco to Seoul?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Seoul. Price data was last updated on October 24, 2025.

The best time to book flights from San Francisco to Seoul is 27 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 Seoul?

Currently, April is the cheapest month in which you can book a flight from San Francisco to Seoul (average of $414). Flying from San Francisco to Seoul in June is currently the most expensive (average of $693). 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 SEL?

Find hourly flight availability from San Francisco to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 30, 2025.

When flying from San Francisco to Seoul, 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 18% versus a flight in the morning.

What is the cheapest day to fly from San Francisco to Seoul?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Seoul. Price data was last updated on December 16, 2024.

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

The best insider tips for San Francisco to Seoul flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Seoul trip
Airlines
AIR PREMIA

Air Premia's Premium Economy offers 42-43 inches of legroom, priority boarding, and premium meals.


Economy class on Air Premia provides 35 inches of legroom, ideal for long flights.

Read more about AIR PREMIAby Esther Carlstone
Asiana Airlines

Enjoy fully flat beds in Asiana's business class with 81” length and 32” screens.


Asiana's economy seats offer 18.9” width and 33” pitch, with USB power outlets.

Read more about Asiana Airlinesby Marisa Garcia
Airports
SFO

For a quick departure, use the AirTrain Red Line to navigate between terminals and security checkpoints efficiently.

Read more about SFOby Harriet Baskas
ICN

Take the AREX express train for a quick 40-50 minute ride from ICN to Seoul Station.

Read more about ICNby Gabriel Leigh
Our travel experts
Esther Carlstone

Esther Carlstone

Expert on AIR PREMIA

Esther Carlstone

Esther Carlstone

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 Garcia

Marisa Garcia

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 Leigh

Gabriel Leigh

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 Baskas

Harriet Baskas

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 Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated octubre 30, 2025.
Read reviews from past customers who have flown Korean Air, AIR PREMIA, and Asiana Airlines from San Francisco to Seoul. 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
1,155 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Overall

8.4

Entertainment

8.2

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
1,155 reviews
Korean Air
8.4
Very good
1,155 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Overall

8.4

Entertainment

8.2

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
8.3
Very good
66 reviews
Korean Air
8.4
Very good
1,155 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Overall

8.4

Entertainment

8.2

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
8.2
Very good
484 reviews
Korean Air
8.4
Very good
1,155 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Overall

8.4

Entertainment

8.2

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
7,996 reviews
Korean Air
8.4
Very good
1,155 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Overall

8.4

Entertainment

8.2

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
8,998 reviews
Korean Air
8.4
Very good
1,155 reviews

Comfort

8.3

Boarding

8.5

Food

8.1

Overall

8.4

Entertainment

8.2

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 Seoul. 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 Seoul?

    For a flight from San Francisco to Seoul, you will be flying from San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city. San Francisco is the only San Francisco airport and it handles 6 outbound flights to Seoul per day. 14 airlines have flights to Seoul from San Francisco on a regular basis.

  • How popular is this San Francisco to Seoul flight route?

    Within the past month, 398 users have taken a look at flights from San Francisco to Seoul.

  • How long is the flight from San Francisco to Seoul?

    There are many flights that can get you from San Francisco to Seoul in 12h 45m. Fly via United Airlines, ANA, or China Eastern to get the fastest option. The distance between San Francisco and Seoul is about 5642 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Francisco to Seoul round-trip?

    Hawaiian Airlines, at $422, was found to be the cheapest airline from San Francisco to Seoul.Alternate airlines to your destination round-trip include AIR PREMIA and China Eastern. Hawaiian Airlines is priced at 49% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from San Francisco to Seoul one-way?

    One-way options have recently been found by users for as low as $344 on AIR PREMIA. Other airlines that offer cheap prices include Air Canada from $495 and China Eastern from $511 one-way.

  • What are the most reliable airlines from San Francisco to Seoul?

    Consider AIR PREMIA (94%), Thai Airways (93%) or Singapore Airlines (93%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to Seoul.

  • What are the cheapest flights from San Francisco to Seoul?

    While on average a flight from San Francisco to Seoul is generally $1,102, our data shows the cheapest flight currently is $344. When looking at the most popular route, (San Francisco - Incheon Intl), you can expect to pay $603 for that flight.

  • Can I find deals for flights from San Francisco to Seoul that include hotel bookings?

    Yes. In addition to deals on San Francisco to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Seoul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Seoul.

  • Can I find deals for business class flights from San Francisco to Seoul?

    Yes. Cheapflights offers flight deals from San Francisco to Seoul 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 Seoul?

    Currently, April is the cheapest month in which you can book a flight from San Francisco to Seoul (average of $414). Flying from San Francisco to Seoul in June is currently the most expensive (average of $693). 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

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

Alternative routes for San Francisco to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Incheon Intl flights
San Francisco to Incheon Intl flights
Los Angeles to Gimpo Intl flights
San Francisco to Gimpo Intl flights
Ontario to Incheon Intl flights
San Jose to Incheon Intl flights
Santa Ana to Incheon Intl flights
Las Vegas to Incheon Intl flights
Burbank to Incheon Intl flights
San Diego to Incheon Intl flights
San Jose to Gimpo Intl flights
Oakland to Incheon Intl flights
Las Vegas to Gimpo Intl flights
San Diego to Gimpo Intl flights
Long Beach to Incheon Intl flights
Los Angeles to Busan flights
Sacramento to Incheon Intl flights
Los Angeles to Jeju City flights
San Francisco to Busan flights
Ontario to Busan flights
Reno to Incheon Intl flights
Ontario to Gimpo Intl flights
San Francisco to Jeju City flights
Monterey to Incheon Intl flights
Los Angeles to Daegu flights
Long Beach to Gimpo Intl flights
San Jose to Jeju City flights
Medford to Incheon Intl flights
San Diego to Busan flights
San Jose to Busan flights
San Francisco to Daegu flights
Palm Springs to Incheon Intl flights
Santa Barbara to Incheon Intl flights
Santa Ana to Busan flights
Ontario to Jeju City flights
Fresno to Busan flights
Las Vegas to Busan flights
Oakland to Busan flights
San Diego to Jeju City flights
Reno to Busan flights

Top 10 airlines flying from San Francisco to Seoul

Discover the top 10 airlines that operate flights from San Francisco to Seoul. 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 octubre 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$422Average$670FlexibilityNo cancel feeOn-time85%
AIR PREMIACheapest$610Average$799FlexibilityNo cancel feeOn-timeN/A
China EasternCheapest$622Average$714FlexibilityNo cancel feeOn-time62%
Asiana AirlinesCheapest$648Average$785FlexibilityNo cancel feeOn-time76%
Singapore AirlinesCheapest$651Average$848FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$660Average$747FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$672Average$1,075FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$775Average$918FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$801Average$1,012FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$805Average$875FlexibilityNo cancel feeOn-time72%

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.