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$299+ Cheap flights from Seoul (SEL) to San Francisco (SFO)

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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEL — SFO
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find cheap flights from Seoul to San Francisco 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”

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3. Compare prices and book

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Cheapflights Tip: The best prices from Seoul to San Francisco are usually found in November or February, booked 24 days in advance, depart on a Wednesday or Monday and return on a Monday

Find flight deals from Seoul to San Francisco

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

This Agoda.com 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 Agoda.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:55 pmICN - SFO
1 stop34h 25mAir Canada
Tue 11/186:00 pmSFO - ICN
1 stop30h 10mAir Canada
Deal found 10/28$402
This Hanatour 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 Hanatour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:55 pmICN - SFO
1 stop13h 40mAir Canada
Sat 1/106:00 pmSFO - ICN
1 stop30h 10mAir Canada
Deal found 10/28$428
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/188:35 pmICN - SFO
1 stop16h 42mAlaska Airlines
Sat 1/37:00 amSFO - ICN
1 stop18h 35mAlaska Airlines
Deal found 10/29$433
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.
Wed 12/176:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Mon 12/292:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Deal found 10/28$434
This SmartFares 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/226:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Fri 2/132:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Deal found 10/27$435
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:35 pmICN - SFO
1 stop20h 15mHawaiian Airlines
Sat 3/79:10 amSFO - ICN
1 stop16h 25mHawaiian Airlines
Deal found 10/30$436
This WhyPayMore 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:35 pmICN - SFO
1 stop18h 06mHawaiian Airlines
Wed 11/129:00 amSFO - ICN
1 stop16h 35mHawaiian Airlines
Deal found 10/28$438
This Hanatour 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 Hanatour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:35 pmICN - SFO
1 stop19h 06mHawaiian Airlines
Fri 11/148:43 pmSFO - ICN
1 stop28h 52mHawaiian Airlines
Deal found 10/28$439
This WhyPayMore 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/208:35 pmICN - SFO
1 stop14h 32mHawaiian Airlines
Tue 1/612:56 pmSFO - ICN
1 stop36h 39mHawaiian Airlines
Deal found 10/30$440
This Flighttix 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:55 pmICN - SFO
2 stops39h 34mAir Canada
Sun 11/166:53 pmSFO - ICN
1 stop29h 17mAir Canada
Deal found 10/30$442
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:35 pmICN - SFO
1 stop36h 11mHawaiian Airlines
Thu 1/14:42 pmSFO - ICN
1 stop32h 53mHawaiian Airlines
Deal found 10/29$444
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/238:50 amGMP - SFO
2 stops28h 44mMultiple Airlines
Tue 12/27:30 amSFO - GMP
2 stops37h 40mMultiple Airlines
Deal found 10/30$480

Cheap flight deals from Seoul to San Francisco

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

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$402
(Agoda.com)

One-way from

$299
(Kiwi.com)

Popular in

August

Cheapest in

November

Average price

$781

Good round-trip deal

$490 or less

Good one-way deal

$308 or less
Provider with most accurate pricing for Seoul (SEL)-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seoul (SEL)-San Francisco flights.
Search Deals
From Seoul (SEL) to San Francisco
Search Deals
One-way flight from Seoul (SEL) to San Francisco
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 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 Seoul (SEL) to San Francisco.
Search Deals
Price to beat on a one-way flight from Seoul (SEL) to San Francisco.
Search Deals

Cheapflights Fare Finder

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

Fly from

Seoul

Fly to

San Francisco

Route

Depart

Return

Price

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Wed 11/12

6:55 pm-5:29 pm

2 stops39h 34m

San Francisco

Mon 11/17

1:20 pm-5:10 pm

1 stop34h 50m

$454

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 2/20

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Mon 2/23

10:30 am-4:15 pm

Nonstop12h 45m

$455

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 11/10

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Mon 11/17

10:30 am-4:15 pm

Nonstop12h 45m

$455

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 11/21

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Fri 11/28

11:45 pm-5:40 am

Nonstop12h 55m

$455

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 11/10

6:00 pm-11:35 am

Nonstop10h 35m

San Francisco

Sun 11/16

11:45 pm-5:40 am

Nonstop12h 55m

$455

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 2/1

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Sun 2/15

11:45 pm-5:40 am

Nonstop12h 55m

$455

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sat 11/22

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Sun 11/30

10:30 am-4:15 pm

Nonstop12h 45m

$457

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 12/26

6:00 pm-11:35 am

Nonstop10h 35m

San Francisco

Mon 12/29

10:30 am-4:15 pm

Nonstop12h 45m

$457

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sat 12/6

8:35 pm-9:34 pm

1 stop17h 59m

San Francisco

Sat 1/3

7:20 pm-6:35 pm

2 stops30h 15m

$528

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sat 12/20

8:35 pm-11:54 pm

1 stop20h 19m

San Francisco

Sat 1/3

7:20 pm-6:35 pm

2 stops30h 15m

$538

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 42 results
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Compare providers for flights from Seoul to San Francisco

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 Seoul to San Francisco in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust 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 Seoul-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seoul-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seoul-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seoul-San Francisco flights, Cheapflights users trust eDreams the most. eDreams 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 Seoul-San Francisco 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 Seoul to San Francisco

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

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

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

Booking 24 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seoul to San Francisco. 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 Seoul to San Francisco?

Currently, February is the cheapest month in which you can book a flight from Seoul to San Francisco (average of $391). Flying from Seoul to San Francisco in August is currently the most expensive (average of $633). 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 SEL to SFO?

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

A simple way to save on the total cost of your ticket is to fly from Seoul to San Francisco at noon. If you’re flexible enough to do this you can expect to save up to 54% on your trip compared to booking a flight in the afternoon.

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

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

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

How much does it cost to fly round-trip from Seoul to San Francisco?

The best insider tips for Seoul to San Francisco 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 Seoul to San Francisco trip
Airlines
Asiana Airlines

Asiana's A380 business suite features a 32-inch screen and fully flat bed for luxury travel.


Economy Smartium on A350 offers 36-inch legroom, enhancing comfort for long flights.

Read more about Asiana Airlinesby Marisa Garcia
AIR PREMIA

Air Premia offers 35-inch legroom in Economy, ensuring comfort on long-haul flights.


Premium Economy includes priority boarding and extra baggage, enhancing the travel experience.

Read more about AIR PREMIAby Esther Carlstone
United Airlines

United's Polaris Business Class offers lie-flat seats and Saks Fifth Avenue bedding for ultimate comfort.


United's Premium Plus seats offer extra legroom and upgraded meals, ideal for long-haul flights.

Read more about United Airlinesby Harriet Baskas
Airports
ICN

Plan for extra time at ICN security, as lines can take up to 20 minutes, especially without fast track options.

Read more about ICNby Gabriel Leigh
SFO

Use BART for an affordable 40-minute trip from SFO to downtown San Francisco. Purchase a Clipper Card for easy fare payment.

Read more about SFOby Harriet Baskas
Our travel experts
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
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
Harriet Baskas

Harriet Baskas

Expert on United Airlines and 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
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

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated October 30, 2025.
Peruse reviews from past customers who have flown with Korean Air, AIR PREMIA, and Asiana Airlines from Seoul to San Francisco to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,155 reviews

Crew

8.7

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,155 reviews
Korean Air
8.4
Very good
1,155 reviews

Crew

8.7

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
AIR PREMIA
8.3
Very good
66 reviews
Korean Air
8.4
Very good
1,155 reviews

Crew

8.7

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Asiana Airlines
8.2
Very good
484 reviews
Korean Air
8.4
Very good
1,155 reviews

Crew

8.7

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
United Airlines
7.4
Good
8,998 reviews
Korean Air
8.4
Very good
1,155 reviews

Crew

8.7

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Air Canada
7.1
Good
10,381 reviews
Korean Air
8.4
Very good
1,155 reviews

Crew

8.7

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

Related info for your journey

Find useful and relevant information for your journey from Seoul to San Francisco. 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 into for flights to San Francisco from Seoul?

    San Francisco (SFO) is the airport you will fly into if you book a flight from Seoul to San Francisco. You should not have trouble finding flights to San Francisco from Seoul; the airport handles an average of 6 inbound flights from Seoul per day. You should also have plenty of airline options to choose from since 6 airlines have flights to the San Francisco airport from Seoul. It is only a 11.8 mi journey from San Francisco (SFO) to San Francisco’s city center.

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

    Within the past month, 40 users have taken a look at flights from Seoul to San Francisco.

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

    A quick flight from Seoul to San Francisco can take about 10h 45m. Air Canada provides one of the quickest options available for as low as $455. The distance from Seoul to San Francisco is about 5642 mi. This flight may include one or multiple stops.

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

    Air Canada, at $381, was found to be the cheapest airline from Seoul to San Francisco.Alternate airlines to your destination round-trip include United Airlines and Asiana Airlines. These flights start at 43% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as $315 on United Airlines. Other airlines that offer cheap prices include Alaska Airlines from $315 and EVA Air from $562 one-way.

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

    The top 3 most reliable airlines when flying from Seoul to San Francisco are Asiana Airlines (66%), United Airlines (66%) and AIR PREMIA (64%).

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

    Looking at all options, your cheapest flight can be booked for $292. While the most popular route (Incheon Intl - San Francisco) can be booked for $434 on average, our data indicates $990 when flying from Seoul to San Francisco.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Seoul to San Francisco (average of $391). Flying from Seoul to San Francisco in August is currently the most expensive (average of $633). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Watsonville
Sunnyvale
Santa Clara
Antioch
Manteca
Vallejo
Hollister
Vacaville
San Bruno
Foster City
Redwood City
Union City
Fairfield
Burlingame
Lodi

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seoul to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Seoul to San Francisco

Discover the top 6 airlines that operate flights from Seoul to San Francisco. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$381Average$520FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$438Average$561FlexibilityNo cancel feeOn-time69%
Asiana AirlinesCheapest$451Average$650FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$462Average$633FlexibilityNo cancel feeOn-time81%
AIR PREMIACheapest$482Average$663FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$595Average$819FlexibilityNo cancel feeOn-timeN/A

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