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£312 Cheap Flights from San Francisco (SFO) to Seoul (ICN)

View £312 flight on Wed, 16 Sept 2026Opens in a new window

Flight 1

Popular airlines from San Francisco International Airport (SFO) to Incheon Intl. Airport (ICN)

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Cheap Flights from San Francisco (SFO) to Seoul (ICN)

Prices were available within the past 7 days and start at £312 for one-way flights and £476 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, 18 Sept - Sun, 27 Sept
SFO
San Francisco
ICN
Seoul
£476 Return, just found
£476
Return
just found
Select United flight, departing Fri, 18 Sept from San Francisco to Seoul, returning Sun, 27 Sept, priced at £476 just found
Asiana Airlines
Sat, 19 Sept - Sun, 27 Sept
SFO
San Francisco
ICN
Seoul
£595 Return, just found
£595
Return
just found
Select Asiana Airlines flight, departing Sat, 19 Sept from San Francisco to Seoul, returning Sun, 27 Sept, priced at £595 just found
Cathay Pacific
Tue, 13 Oct - Tue, 17 Nov
SFO
San Francisco
ICN
Seoul
£623 Return, found 14 hours ago
£623
Return
found 14 hours ago
Select Cathay Pacific flight, departing Tue, 13 Oct from San Francisco to Seoul, returning Tue, 17 Nov, priced at £623 found 14 hours ago
Philippine Airlines
Thu, 4 Mar - Thu, 11 Mar
SFO
San Francisco
ICN
Seoul
£634 Return, found 6 days ago
£634
Return
found 6 days ago
Select Philippine Airlines flight, departing Thu, 4 Mar from San Francisco to Seoul, returning Thu, 11 Mar, priced at £634 found 6 days ago
Korean Air
Thu, 22 Oct - Fri, 30 Oct
SFO
San Francisco
ICN
Seoul
£669 Return, found 12 hours ago
£669
Return
found 12 hours ago
Select Korean Air flight, departing Thu, 22 Oct from San Francisco to Seoul, returning Fri, 30 Oct, priced at £669 found 12 hours ago
Delta
Fri, 18 Sept - Sun, 27 Sept
SFO
San Francisco
ICN
Seoul
£672 Return, just found
£672
Return
just found
Select Delta flight, departing Fri, 18 Sept from San Francisco to Seoul, returning Sun, 27 Sept, priced at £672 just found
Vietnam Airlines
Sat, 12 Sept - Wed, 16 Sept
SFO
San Francisco
ICN
Seoul
£737 Return, found 5 days ago
£737
Return
found 5 days ago
Select Vietnam Airlines flight, departing Sat, 12 Sept from San Francisco to Seoul, returning Wed, 16 Sept, priced at £737 found 5 days ago
China Airlines
Tue, 1 Dec - Tue, 8 Dec
SFO
San Francisco
ICN
Seoul
£740 Return, found 13 hours ago
£740
Return
found 13 hours ago
Select China Airlines flight, departing Tue, 1 Dec from San Francisco to Seoul, returning Tue, 8 Dec, priced at £740 found 13 hours ago
EVA Airways
Wed, 16 Sept - Sun, 20 Sept
SFO
San Francisco
ICN
Seoul
£778 Return, found 21 hours ago
£778
Return
found 21 hours ago
Select EVA Airways flight, departing Wed, 16 Sept from San Francisco to Seoul, returning Sun, 20 Sept, priced at £778 found 21 hours ago
American Airlines
Fri, 18 Sept - Sun, 27 Sept
SFO
San Francisco
ICN
Seoul
£820 Return, just found
£820
Return
just found
Select American Airlines flight, departing Fri, 18 Sept from San Francisco to Seoul, returning Sun, 27 Sept, priced at £820 just found

Alternative airports near Seoul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Incheon Intl. ICN. Cheapest option available. Average driving time to city centre is 47 minutes. Flights from £671
ICN
Incheon Intl.
Cheapest
Average driving time to city centre47 min
Flights from £671

Find the cheapest month to fly from San Francisco (SFO) to Seoul (ICN)

September is typically the cheapest month to fly

From £505 - £694 per traveller.

Frequently asked questions

How much does a flight from San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.) cost?
You can find one-way and return flights from SFO to ICN with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SFO to ICN ticket fares go up or down.
What is the cheapest month to fly from San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.)?
The cheapest months to fly from SFO to ICN are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from San Francisco, CA (SFO) to Seoul (ICN)?
Enter SFO to ICN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.)?
Air Premia is one of the cheapest airlines offering nonstop return flights from San Francisco Intl. (SFO) to Incheon Intl. (ICN), with tickets starting from around £464 for flights that can be booked for departure within the next year. Philippine Airlines offers one of the cheapest connecting return flights from SFO to ICN, with tickets starting from around £743. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.)?
To find a cheap flight from San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.)?
The best airline to fly with from San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, Air Premia typically offers the lowest fares. Alaska Airlines offers the most daily flights from SFO to ICN, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.)?
You'll find approximately 5 nonstop flights per day from San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.). For even more choices, look at flights that include layovers, as there are around 144 connecting flights per day. Some common connection points include Los Angeles Intl. (LAX), Seattle - Tacoma Intl. (SEA), and Hong Kong Intl. (HKG).
What is the earliest flight from San Francisco, CA (SFO) to Seoul (ICN)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from San Francisco, CA (SFO) to Seoul (ICN). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.)?
You'll typically find the most flights from San Francisco International Airport (SFO) to Incheon International Airport (ICN) on a Friday, with around 96 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, Delta, and Alaska Airlines. Flight schedules are quite consistent throughout the week, so you'll have a good selection of flights regardless of the day you choose to fly.
What are the most popular departure times for flights from San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.)?
The most popular departure times for flights from San Francisco Intl. (SFO) to Incheon Intl. (ICN) are between 12pm and 3pm. Many major carriers, including Korean Air, Delta and Cathay Pacific, offer flights during this window. Many travellers prefer this time as it allows for a full morning before heading to the airport, and you'll arrive at your destination at a convenient time.
How long does it take to fly from San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.)?
Flying nonstop from SFO to ICN takes around 13 hours, with the route covering approximately 9,086 kilometers. Flights with a layover typically take 4 hours 20 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.)?
Yes, you can fly business class or first class between SFO and ICN.Airlines that offer business class service on this route include:
  • Cathay Pacific
  • Korean Air
  • China Eastern Airlines
  • KLM
  • Air France
  • Lufthansa
  • Singapore Airlines
  • Philippine Airlines
  • Turkish Airlines
  • China Airlines
  • WestJet
  • British Airways
  • Vietnam Airlines
  • Alaska Airlines
  • Asiana Airlines
  • Air Canada
  • Starlux Airlines
  • Air China
  • LOT-Polish Airlines
  • Qatar Airways
  • Delta
  • Emirates
  • United
  • All Nippon Airways
  • EVA Airways
  • China Southern Airlines
First class cabins are available on British Airways, Alaska Airlines, Delta, Emirates, and American Airlines.
How do I earn miles on a San Francisco, CA (SFO) to Seoul (ICN) flight with Expedia?
It's easy to earn miles on a San Francisco, CA (SFO) to Seoul (ICN) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from San Francisco, CA (SFO) to Seoul (ICN) at the last minute?
Typically, booking a last minute flight from San Francisco, CA (SFO) to Seoul (ICN) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Francisco, CA (SFO) to Seoul (ICN) flight and hotel package?
Securing a San Francisco, CA (SFO) to Seoul (ICN) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.)?
If you booked your San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Incheon Intl.
Airlines serving
Aeromexico, Air Canada, Air China, Alaska Airlines, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, China Southern Airlines, Delta, EVA Airways, Korean Air, Philippine Airlines, Singapore Airlines, Turkish Airlines, United, Vietnam Airlines, WestJet
Roundtrip price
£475
Distance
9032 km
Average flight time
28 hours 36 mins

Book with confidence

Compare flights from San Francisco to Seoul easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from San Francisco to Seoul. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Incheon Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from San Francisco Intl. to Incheon Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from San Francisco Intl. (SFO) to Incheon Intl. (ICN)

The easiest way to view the best deals on flights from San Francisco to Seoul today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from San Francisco Intl. to Incheon Intl. start at just £476 and range up to £820.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near San Francisco and Seoul
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your San Francisco to Seoul flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from San Francisco Intl. to Incheon Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from San Francisco to Seoul easily and book with confidence

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