£315 Cheap Flights from San Francisco (SFO) to Seoul (ICN)

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 £315 for one-way flights and £489 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Alaska Airlines
Hawaiian Airlines
Air China
Air Premia
Cathay Pacific
Air Canada
Asiana Airlines
China Eastern Airlines
Korean Air

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

May is typically the cheapest month to fly

From £465 - £869 per traveller.

Graph displaying average flight prices per month

Flight from San Francisco to Seoul route information
Origin airport
San Francisco Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, Air India, Alaska Airlines, Asiana Airlines, Cathay Pacific, China Airlines, China Eastern Airlines, China Southern Airlines, Delta, EVA Airways, Emirates, Hawaiian Airlines, KLM, Korean Air, Philippine Airlines, Singapore Airlines, Turkish Airlines, United, Vietnam Airlines, WestJet
Return price
£489
Distance
9032 km
Average flight time
28 hours 29 mins

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 £489 and range up to £638.  

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.  

Frequently asked questions

How much is a flight from SFO to Incheon Airport?
Based on airfares available within the last 7 days on Expedia for flights departing within the next year, round-trip flights between San Francisco Intl. Airport (SFO) and Incheon Intl. Airport (ICN) start from £489. Book now to get the best price for your journey. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from San Francisco Intl. Airport (SFO) to ICN?
Every airline has its own terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from SFO to ICN that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for San Francisco Airport to ICN flights, you'll see a "no change fees" filter for you to select.
How far is the flight from San Francisco Intl. Airport (SFO) to Incheon Airport?
San Francisco to South Korea is around 9,100 kilometres, so be prepared to spend a while in the air. Don't forget to pack all the essentials, from your eye mask to your earphones. Throw in a few snacks to munch on throughout your journey too.
Which airlines fly direct from San Francisco Airport to Seoul–Incheon Intl. Airport?
United Airlines (UA) is one of the preferred choices for travellers jetting between SFO and Incheon Airport. Take your pick of the 47 flights it operates on this route each month. For more options, check out the fares from Korean Air (KE). This airline offers 30 monthly flights between these airports.
Are San Francisco Intl. Airport (SFO) to Incheon Intl. Airport (ICN) flight tickets cheaper when they're purchased at the last minute?
Flight prices fluctuate, so it's no sure thing. While last-minute deals between San Francisco Intl. Airport (SFO) and Seoul–Incheon Intl. Airport are of course possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some airlines announce their prices up to a year ahead of the departure date. Expedia is constantly updating the best airfare bargains around, so keep checking back and be ready to pounce when the fares dip.

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