Cheap Flights from Seoul to San Francisco International

Compare Seoul to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

Book the best San Francisco International fare with no extra fees

Flight deals from Seoul to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Seoul to San Francisco International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seoul to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seoul to San Francisco International flights are currently cheapest in September.

Direct flights from Seoul to San Francisco International

Seoul to San Francisco International: Alternative routes

Compare routes from Seoul to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

Seoul to San Francisco: Flight information

The things to know before you go.
Cheapest flight foundRs99,779
Cheapest month to flySeptember
Average flight time10 hrs, 41 mins
Most popular airlineAsiana Airlines
Average flights per week56

Finding cheap flights from Seoul to San Francisco International: Frequently asked questions

The best price we found for a return flight from Seoul to San Francisco International is Rs125,252. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
10 hours and 41 minutes is the average flight time from Seoul to San Francisco International.
Asiana Airlines, United and Delta fly direct from Seoul to San Francisco International.
As of June 2025, there are 56 flights per week flying from Seoul to San Francisco International.
The cheapest month to fly from Seoul to San Francisco International is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to San Francisco International Airport on Friday, 12 September 2025.
Yes – the average flight time is 10 hours and 41 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.

Flying from Seoul to San Francisco International Airport (SFO): What you need to know

  • Seoul has two main airports where you can set off on your adventure. Explore your options for booking a flight from Seoul to San Francisco International Airport (SFO) heading out from Incheon International Airport (ICN) or Gimpo International Airport (GMP).

  • Around 10 hours 45 minutes is how long you'll be in the air on a direct Seoul to San Francisco International Airport flight.

  • San Francisco is 16 hours behind Seoul. San Francisco International Airport is located in San Francisco, which runs on the UTC-7 timezone.

  • The most popular route is from Incheon International Airport (ICN) to San Francisco International Airport (SFO), with 31 direct services every week. If you want to be on your way right away, the earliest flight from ICN to SFO is the 11:30am United Airlines option. If you're looking to take off later, the final departure is at 8:55pm with Asiana Airlines.

  • Arrive at the airport on time so you don't miss your flight from Seoul to SFO. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • If you're taking off during a bank holiday or other peak period, give yourself more time. Arrive two hours before domestic flights and up to four hours before international departures. Queues at check-in and security will be longer.

Airports in Seoul

Incheon International Airport (ICN)

  • Incheon International Airport (ICN) makes it easy to travel directly to your destination. Nonstop flights from Seoul to San Francisco International Airport (SFO) leave from this terminal.

  • At ICN, you can choose from various carriers that operate direct flights from Seoul to San Francisco International Airport, such as:

  • The most frequently booked airline between ICN and SFO is United Airlines.

  • Among carriers on this route, Asiana Airlines has the best record for on-time arrivals.

  • Consider adding a stopover to find cheap flights from Seoul to SFO. Just uncheck 'Direct flights only' when searching for departures from Incheon International Airport (ICN). Break up the journey at one of these popular options:

    • Hong Kong International Airport (HKG)

    • Narita International Airport (NRT)

    • Kansai International Airport (KIX)

  • From the centre of Seoul, ICN is around 48 kilometres away. Visit the official airport website or use navigation apps to work out the best way to get there.

  • Catching an early flight from Seoul to San Francisco International Airport? Avoid the last-minute rush to the terminal (and get some bonus sleep) by picking one of these hotels near Incheon International Airport:

  • 54.5% of flights that depart Incheon International Airport land at their destination on schedule.

Gimpo International Airport (GMP)

  • Tick a new place off your list or just take a moment to stretch your legs with a stopover. If you'd like to split up your flight from Seoul to San Francisco International Airport, browse these options when taking off from Gimpo International Airport:

    • Haneda Airport (HND)

    • Beijing Capital International Airport (PEK)

    • Kansai International Airport (KIX)

  • The distance from Seoul's city centre to GMP is around 16 kilometres. Take into account the available transport options and possible delays when working out the fastest route to the airport.

  • Flying off with the first light? Think about staying at one of these hotels near Gimpo International Airport the day before your Seoul to SFO flight:

  • 75.94% of flights departing Gimpo International Airport meet their expected arrival time.

About San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • The centre of San Francisco is roughly 18 kilometres from San Francisco International Airport. Travel times by cab or car hire will vary based on traffic conditions, so do some research before your trip.

  • Travelling on public transport takes roughly 45 minutes.

How to find the cheapest flights from Seoul to San Francisco International Airport (SFO)

  • At the moment, Rs99,779 is the best price we've found for a one-way ticket from Seoul to San Francisco International Airport. The cheapest price for a return flight is Rs125,252. Keep in mind fares may change due to demand at the time of booking.

  • Book 11 months before travelling. Research into pricing trends suggests this is the ideal window for finding cheap flights from Seoul to SFO.

  • The best month for landing cheap Seoul to San Francisco International Airport tickets is April. Use the 'Whole month' tool to compare flight prices, then choose the dates with the lowest fares.

  • There's no need to check every day to find out if fares have dropped when you set up a Price Alert. We'll notify you when there's a better deal on flight tickets from Seoul to SFO.

  • Tailor your trip using filters. Pick your preferred departure and arrival times, total journey duration and airlines. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Seoul to San Francisco International Airport.

The best time to fly from Seoul to San Francisco International Airport (SFO)

  • It's time to figure out when to book your flight from Seoul to San Francisco International Airport (SFO). August is the busiest month to travel to San Francisco. If you like your getaways a little more chill, think about going in February.

  • The warmest month in San Francisco is September, with temperatures ranging between 12ºC and 22ºC. Lock in your Seoul to SFO flight ticket then if that's your ideal forecast.

  • Search for cheap tickets from Seoul to San Francisco International Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 6ºC and 16ºC.

More about San Francisco

Explore more of the United States

  • Fresno is just one of the many cities in the United States waiting to be explored once you've taken in the sights of San Francisco. Around 257 kilometres away to the east, well-known attractions include Forestiere Underground Gardens, Shinzen Japanese Garden and Fresno Chaffee Zoo.

  • Around 129 kilometres north-east of San Francisco, Sacramento is another favourite stop in the United States. Start your sightseeing at Old Sacramento Waterfront, Fright Planet - America's Haunted Theme Park and California State Railroad Museum.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.