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

View AU$593 flight on Sun, 19 July 2026Opens in a new window

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
Tue, 1 Sept - Tue, 15 Sept
SFO
San Francisco
ICN
Seoul
AU$1,051 Return, found 5 days ago
AU$1,051
Return
found 5 days ago
Select United flight, departing Tue, 1 Sept from San Francisco to Seoul, returning Tue, 15 Sept, priced at AU$1,051 found 5 days ago
Philippine Airlines
Tue, 1 Sept - Tue, 15 Sept
SFO
San Francisco
ICN
Seoul
AU$1,304 Return, found 5 days ago
AU$1,304
Return
found 5 days ago
Select Philippine Airlines flight, departing Tue, 1 Sept from San Francisco to Seoul, returning Tue, 15 Sept, priced at AU$1,304 found 5 days ago
Philippine Airlines
Mon, 17 Aug - Mon, 24 Aug
SFO
San Francisco
ICN
Seoul
AU$1,306 Return, found 3 days ago
AU$1,306
Return
found 3 days ago
Select Philippine Airlines flight, departing Mon, 17 Aug from San Francisco to Seoul, returning Mon, 24 Aug, priced at AU$1,306 found 3 days ago
Philippine Airlines
Mon, 5 Oct - Mon, 19 Oct
SFO
San Francisco
ICN
Seoul
AU$1,321 Return, found 17 hours ago
AU$1,321
Return
found 17 hours ago
Select Philippine Airlines flight, departing Mon, 5 Oct from San Francisco to Seoul, returning Mon, 19 Oct, priced at AU$1,321 found 17 hours ago
United
Tue, 1 Sept - Tue, 15 Sept
SFO
San Francisco
ICN
Seoul
AU$1,327 Return, found 5 days ago
AU$1,327
Return
found 5 days ago
Select United flight, departing Tue, 1 Sept from San Francisco to Seoul, returning Tue, 15 Sept, priced at AU$1,327 found 5 days ago
Delta
Mon, 5 Oct - Mon, 19 Oct
SFO
San Francisco
ICN
Seoul
AU$1,346 Return, found 17 hours ago
AU$1,346
Return
found 17 hours ago
Select Delta flight, departing Mon, 5 Oct from San Francisco to Seoul, returning Mon, 19 Oct, priced at AU$1,346 found 17 hours ago
Delta
Mon, 5 Oct - Mon, 19 Oct
SFO
San Francisco
ICN
Seoul
AU$1,353 Return, found 17 hours ago
AU$1,353
Return
found 17 hours ago
Select Delta flight, departing Mon, 5 Oct from San Francisco to Seoul, returning Mon, 19 Oct, priced at AU$1,353 found 17 hours ago
Korean Air
Mon, 5 Oct - Mon, 19 Oct
SFO
San Francisco
ICN
Seoul
AU$1,356 Return, found 17 hours ago
AU$1,356
Return
found 17 hours ago
Select Korean Air flight, departing Mon, 5 Oct from San Francisco to Seoul, returning Mon, 19 Oct, priced at AU$1,356 found 17 hours ago
Korean Air
Mon, 5 Oct - Mon, 19 Oct
SFO
San Francisco
ICN
Seoul
AU$1,357 Return, found 17 hours ago
AU$1,357
Return
found 17 hours ago
Select Korean Air flight, departing Mon, 5 Oct from San Francisco to Seoul, returning Mon, 19 Oct, priced at AU$1,357 found 17 hours ago
Cathay Pacific
Tue, 1 Sept - Tue, 15 Sept
SFO
San Francisco
ICN
Seoul
AU$1,358 Return, found 5 days ago
AU$1,358
Return
found 5 days ago
Select Cathay Pacific flight, departing Tue, 1 Sept from San Francisco to Seoul, returning Tue, 15 Sept, priced at AU$1,358 found 5 days ago

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

November is typically the cheapest month to fly

From AU$1,061 - AU$1,629 per traveller.

Frequently asked questions

Which airlines fly direct from San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.)?
Enter SFO to ICN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
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 traveller to traveller. If you like to fly early, UA offers early morning flights. If price is the most important factor, YP typically offers the lowest fares. UA offers the most daily flights from San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.), which is brilliant 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.)?
There are approximately 5 nonstop flights per day from San Francisco International Airport (SFO) to Seoul (ICN-Incheon Intl.) (ICN). For even more choice, look at flights that include layovers. You'll find around 151 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 (ICN-Incheon Intl.) typically departs at approximately 12:05 AM local time, operated by Cathay Pacific and Air China. This is a seasonal service active in August. An early departure like this can help maximise 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.)?
If you're flying from San Francisco Intl. (SFO) to Incheon Intl. (ICN), you'll typically find the most flights on a Monday, with around 97 flights available. This gives you plenty of options to choose from. Major airlines on this route include United Airlines, Delta Air Lines, and Alaska Airlines. Flight schedules are fairly consistent throughout the week, so you'll have a good selection of flights no matter which day you choose.
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, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.) are in the late evening, from 9pm to midnight. About 19% of passengers prefer this time window. Many major carriers, including Cathay Pacific, United Airlines and Asiana Airlines, offer flights during this window. These times work well because you can maximise your day in San Francisco before your flight, and you'll arrive in Seoul ready to start your day.
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 12 hours 50 minutes, with the route covering approximately 5,646 miles. Flights with a layover typically take 6 hours 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.)?
Select the "Business class" and "First class" filters when looking for SFO to ICN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.) flight with Expedia?
It's easy to earn miles on a San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.) 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 from San Francisco Intl. (SFO)?
When traveling from San Francisco Intl. (SFO) to Seoul, you can fly into Incheon Intl. (ICN) and Gimpo Intl. (GMP). Some flights may connect through major hubs like Los Angeles Intl. (LAX), Seattle - Tacoma Intl. (SEA), 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-San Francisco Intl.) to Seoul (ICN-Incheon Intl.) at the last minute?
Typically, booking a last minute flight from San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.) 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-San Francisco Intl.) to Seoul (ICN-Incheon Intl.) flight and hotel package?
Securing a San Francisco, CA (SFO-San Francisco Intl.) to Seoul (ICN-Incheon Intl.) 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
Air Canada, Alaska Airlines, American Airlines, Asiana Airlines, Cathay Pacific, China Airlines, China Southern Airlines, Delta, EVA Airways, Korean Air, Philippine Airlines, Singapore Airlines, United, Vietnam Airlines, WestJet
Return price
AU$1,051
Distance
9032 km
Average flight time
28 hours 39 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$1,051 to AU$1,358, 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 September.

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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