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

View AU$548 flight on Wed, 21 Oct 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 for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 11 Nov - Sat, 21 Nov
SFO
San Francisco
ICN
Seoul
AU$908 Return, found 1 day ago
AU$908
Return
found 1 day ago
Select United flight, departing Wed, 11 Nov from San Francisco to Seoul, returning Sat, 21 Nov, priced at AU$908 found 1 day ago
United
Tue, 15 Sept - Wed, 30 Sept
SFO
San Francisco
ICN
Seoul
AU$911 Return, found 2 days ago
AU$911
Return
found 2 days ago
Select United flight, departing Tue, 15 Sept from San Francisco to Seoul, returning Wed, 30 Sept, priced at AU$911 found 2 days ago
United
Tue, 15 Sept - Wed, 30 Sept
SFO
San Francisco
ICN
Seoul
AU$1,012 Return, found 2 days ago
AU$1,012
Return
found 2 days ago
Select United flight, departing Tue, 15 Sept from San Francisco to Seoul, returning Wed, 30 Sept, priced at AU$1,012 found 2 days ago
China Southern Airlines
Tue, 22 Sept - Mon, 12 Oct
SFO
San Francisco
ICN
Seoul
AU$1,099 Return, found 5 days ago
AU$1,099
Return
found 5 days ago
Select China Southern Airlines flight, departing Tue, 22 Sept from San Francisco to Seoul, returning Mon, 12 Oct, priced at AU$1,099 found 5 days ago
Asiana Airlines
Wed, 11 Nov - Sat, 21 Nov
SFO
San Francisco
ICN
Seoul
AU$1,137 Return, found 1 day ago
AU$1,137
Return
found 1 day ago
Select Asiana Airlines flight, departing Wed, 11 Nov from San Francisco to Seoul, returning Sat, 21 Nov, priced at AU$1,137 found 1 day ago
Cathay Pacific
Mon, 1 Feb - Sun, 21 Feb
SFO
San Francisco
ICN
Seoul
AU$1,195 Return, found 5 days ago
AU$1,195
Return
found 5 days ago
Select Cathay Pacific flight, departing Mon, 1 Feb from San Francisco to Seoul, returning Sun, 21 Feb, priced at AU$1,195 found 5 days ago
Alaska Airlines
Fri, 13 Nov - Sun, 22 Nov
SFO
San Francisco
ICN
Seoul
AU$1,254 Return, found 1 day ago
AU$1,254
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri, 13 Nov from San Francisco to Seoul, returning Sun, 22 Nov, priced at AU$1,254 found 1 day ago
Korean Air
Fri, 13 Nov - Sun, 22 Nov
SFO
San Francisco
ICN
Seoul
AU$1,278 Return, found 1 day ago
AU$1,278
Return
found 1 day ago
Select Korean Air flight, departing Fri, 13 Nov from San Francisco to Seoul, returning Sun, 22 Nov, priced at AU$1,278 found 1 day ago
Delta
Fri, 13 Nov - Sun, 22 Nov
SFO
San Francisco
ICN
Seoul
AU$1,283 Return, found 1 day ago
AU$1,283
Return
found 1 day ago
Select Delta flight, departing Fri, 13 Nov from San Francisco to Seoul, returning Sun, 22 Nov, priced at AU$1,283 found 1 day ago
Air Canada
Wed, 11 Nov - Sat, 21 Nov
SFO
San Francisco
ICN
Seoul
AU$1,289 Return, found 1 day ago
AU$1,289
Return
found 1 day ago
Select Air Canada flight, departing Wed, 11 Nov from San Francisco to Seoul, returning Sat, 21 Nov, priced at AU$1,289 found 1 day ago

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 AU$968
ICN
Incheon Intl.
Cheapest
Average driving time to city centre47 min
Flights from AU$968

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

September is typically the cheapest month to fly

From AU$970 - AU$1,332 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-San Francisco Intl.) to Seoul (ICN-Incheon Intl.)?
There are 4 airlines offering direct flights from San Francisco Intl. (SFO) to Incheon Intl. (ICN). Here are the top carriers:
  • United operates 14 direct flights from SFO to ICN every week.
  • Korean Air operates 7 direct flights from SFO to ICN every week.
  • Asiana Airlines operates 7 direct flights from SFO to ICN every week.
  • Air Premia operates 7 direct flights from SFO to ICN every week.
How do I find cheap flights from San Francisco, CA (SFO) to Seoul (ICN)?
To find a cheap flight from San Francisco, CA (SFO) to Seoul (ICN), 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-San Francisco Intl.) to Seoul (ICN-Incheon Intl.)?
The earliest flight from San Francisco International Airport (SFO) to Seoul Incheon International Airport (ICN) typically departs around 12:05 AM local time. This flight is operated by Cathay Pacific and Air China. This is a seasonal service, active only in August. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select 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.)?
A non-stop flight from San Francisco Intl. (SFO) to Incheon Intl. (ICN) typically takes around 12 hours 48 minutes. This route covers a distance of approximately 9,086 kilometres. If you opt for a one-stop flight, your travel time will be longer, usually around 18 hours 48 minutes. Flights with two or more stops will take even longer, averaging about 24 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to factor in some extra time when planning your trip.
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.
What airports do you fly into for Seoul (ICN) from San Francisco, CA (SFO)?
If you're planning to travel to Seoul from San Francisco Intl. (SFO), you can fly directly into Incheon Intl. (ICN). Some flights may connect through major hubs like Los Angeles Intl. (LAX), Seattle - Tacoma Intl. (SEA), or Taoyuan Intl. (TPE) before reaching Seoul. Compare routes and airports on Expedia to find the best flight options for your travel plans.
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) to Seoul (ICN)?
If you booked your San Francisco, CA (SFO) to Seoul (ICN) 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, Delta, EVA Airways, KLM, Korean Air, Lufthansa, Philippine Airlines, Singapore Airlines, Turkish Airlines, United, Vietnam Airlines
Roundtrip price
AU$907
Distance
9032 km
Average flight time
28 hours 30 mins

Book with confidence

Your quick guide to flights from San Francisco to Seoul

Pick up great flights from San Francisco to Seoul

With Expedia, you have your pick of flights a day with 20 airlines covering flights from San Francisco to Seoul. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from San Francisco to Seoul that take around hours.

Find cheap flights from San Francisco to Seoul

From the great flight deals with prices currently ranging from AU$908 to AU$1,289, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from San Francisco to Seoul around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Seoul is normally in November.

Reasons to book your flight from San Francisco to Seoul with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from San Francisco to Seoul across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Seoul right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from San Francisco to Seoul

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