Cheap flights from Seoul to San Francisco International

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Compare Seoul to San Francisco International flight deals

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

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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 March.

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 foundP28,128
Cheapest month to flyMarch
Average flight time10 hrs, 38 mins
Most popular airlineUnited
Average flights per week81

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 P28,128. 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 38 minutes is the average flight time from Seoul to San Francisco International.
United, Asiana Airlines and Delta fly direct from Seoul to San Francisco International.
As of March 2025, there are 81 flights per week flying from Seoul to San Francisco International.
The cheapest month to fly from Seoul to San Francisco International is usually March 2025.
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 Wednesday, 12 March 2025.
Yes – the average flight time is 10 hours and 38 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.
The cheapest airline that flies to San Francisco International is Air Premia .

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

  • There are two main airports you can start your journey from in Seoul. Explore your options leaving from Incheon International Airport (ICN) or Gimpo International Airport (GMP) when booking your flight from Seoul to San Francisco International Airport (SFO).

  • The average duration of a direct flight from Seoul to San Francisco International Airport is 10 hours 42 minutes.

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

  • The most popular route is from Incheon International Airport (ICN) to San Francisco International Airport (SFO), with 45 direct weekly services. If you'd like to get going as soon as possible, the earliest flight from ICN to SFO is the 11:30 United service. If you prefer to travel later, the last departure is at 20:50 with Asiana Airlines.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to catch your flight from Seoul to SFO.

  • Flying during a peak month like July? School holidays and other popular seasons can mean longer queues and delays at check-in and security. Play it safe and arrive up to four hours before international flights and two hours before domestic departures.

Gimpo International Airport (GMP)

  • Prefer to leave from Gimpo International Airport (GMP)? You can book a direct flight from Seoul to San Francisco International Airport (SFO) departing from this busy hub.

  • You can pick from a range of airlines operating direct flights from Seoul to SFO departing from GMP. Jet off with any of these carriers and skip the layovers:

  • Make the most of your holiday with a stopover on your flight from Seoul to San Francisco International Airport. Visit family or friends or cross another city off your list. Whatever you'd like to do, check out these stops between Gimpo International Airport and SFO:

    • Harry Reid Airport (formerly McCarran Airport) Airport (LAS)

    • Tan Son Nhat International Airport (SGN)

    • Brisbane Airport (BNE)

  • The distance from Seoul's city centre to GMP is about 16 kilometres. Take into account transport options and potential delays when working out the best way to get to the airport.

  • Get your holiday started early with an extra night away from home. Before catching your flight from Seoul to SFO, kick back in one of these hotels close to Gimpo International Airport:

About San Francisco International Airport (SFO)

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

  • From San Francisco International Airport, San Francisco is approximately 21 kilometres away. It takes around 20 minutes to get to the centre driving.

  • It takes roughly 47 minutes if you're using public transport.

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

  • The best price we've seen for a one-way ticket from Seoul to San Francisco International Airport is P17,914. The cheapest price for a return flight is P28,128. Remember fares can change due to demand at the time of booking.

  • We recommend booking 7 months in advance. Flight price data suggests you're more likely to find cheap tickets from Seoul to SFO then.

  • The cheapest month for tickets from Seoul to San Francisco International Airport is April. Use the 'Whole month' search feature to find the most affordable day to fly if you're flexible with your departure dates.

  • Set up a Price Alert for cheap tickets from Seoul to SFO. There's no need to check back in every day to see if fares have dropped. We'll update you when there's a change in price.

  • Take advantage of the filters to find your ideal journey. To see the 'Best,' 'Fastest' or 'Cheapest' flights from Seoul to San Francisco International Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and journey duration.

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

  • February is the quietest time to travel to San Francisco. Alternatively, follow the crowds and get away in August. This is the most popular month for flights from Seoul to San Francisco International Airport, but the best time to go is up to you.

  • Before you book a flight from Seoul to SFO, think about the type of weather you enjoy. September is the warmest month in San Francisco, with the temperature ranging from 12ºC to 22ºC.

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

More about San Francisco

  • When it comes to searching for somewhere to rest your head, you'll find the best stays in San Francisco right here. Browse these hotels as soon as you've booked your flight from Seoul to San Francisco International Airport:

  • Golden Gate Bridge and Alcatraz Island are a couple of top-rated attractions to put on your San Francisco to-do list. Keep the sightseeing going at Lombard Street.

Complete your San Francisco trip with a car rental

  • Hop behind the wheel of one of our car rentals in San Francisco and see the city on your own terms. Easily compare rates from trusted providers in one go after booking your hotel and cheap flights from Seoul to San Francisco International Airport.

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