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

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 Airport? If you want to travel next month, return fares start from $845. 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 May.

Direct flights from Seoul to San Francisco International

Seoul to San Francisco: Flight information

The things to know before you go.
Cheapest flight found$845
Cheapest month to flyJune
Average flight time10 hrs, 40 mins
Most popular airlineUnited
Average flights per week72

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 $845. 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 40 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 April 2026, there are 72 flights per week flying from Seoul to San Francisco International.
The cheapest month to fly from Seoul to San Francisco International is usually June.
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 Sunday, 21 June 2026.
Yes – the average flight time is 10 hours and 40 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 .

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

  • Seoul's main base, Seoul Incheon International Airport (ICN), is where plenty of awesome adventures begin. Explore your departure options from here for your flight from Seoul to San Francisco International Airport (SFO).

  • The average time for a direct Seoul to San Francisco International Airport flight is 10 hours 40 minutes.

  • San Francisco International Airport is located in San Francisco. The city operates on the UTC-8 timezone and is 17 hours behind Seoul.

  • With 32 direct weekly flights between the two airports, Seoul Incheon International Airport (ICN) to San Francisco International Airport (SFO) is the most popular route. United Airlines operates the earliest flight at 11:30am. If you're eager to make the most of your day before you fly, the latest flight from ICN to SFO is with Asiana Airlines at 8:55pm.

  • For stress-free travel, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This ensures you have enough time to catch your flight from Seoul to SFO.

  • Be prepared for longer queues in popular months such as January and other peak seasons. Arriving up to four hours in advance for an international flight and two hours for a domestic departure is a wise move.

Airports in Seoul

Seoul Incheon International Airport (ICN)

  • Seoul Incheon International Airport (ICN) is a convenient option for travelling directly to your destination. Nonstop flights from Seoul to San Francisco International Airport (SFO) can be booked from this terminal.

  • Leading carriers that operate direct flights from Seoul to San Francisco International Airport leaving from ICN include:

  • Most travellers choose to fly with United between ICN and SFO.

  • Korean Air is the top-ranked carrier for punctuality on this route.

  • Consider adding a stopover to find cheap flights from Seoul to SFO. Just uncheck 'Direct flights only' when browsing departures from Seoul Incheon International Airport (ICN). Take a break from travelling at one of these popular options:

    • Hong Kong International Airport (HKG)

    • Tokyo Narita International Airport (NRT)

    • Kansai International Airport (KIX)

  • Located around 48 kilometres from central Seoul, ICN can be reached in about 1 hour 5 minutes by car (depending on traffic). The journey on public transport will take roughly 50 minutes.

  • Booked an early flight from Seoul to San Francisco International Airport? Avoid the last-minute rush to the terminal (and catch some extra z's) by choosing one of these stays near Seoul Incheon International Airport:

  • Of all flights leaving Seoul Incheon International Airport, 74% touch down on time at their destination.

Seoul Gimpo International Airport (GMP)

  • Split up your flight from Seoul to San Francisco International Airport with a stop so you can recharge or cross another place off your list. Top stopovers between Seoul Gimpo International Airport and SFO are:

    • Tokyo Haneda International Airport (HND)

    • Beijing Capital International Airport (PEK)

    • Kansai International Airport (KIX)

  • With public transport, you can travel from central Seoul to GMP in about 35 minutes. The airport is roughly 16 kilometres away, and getting there by car takes approximately 30 minutes.

  • Kick off your holiday early with an additional night away from home. Before catching your Seoul to SFO flight, stay in one of these hotels near Seoul Gimpo International Airport:

  • Flights from Seoul Gimpo International Airport have a strong track record for punctuality, with 80% of them arriving as expected.

About San Francisco International Airport (SFO)

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

  • Central San Francisco is around 21 kilometres from San Francisco International Airport and takes about 25 minutes to reach by car. See what your options are for getting into town, whether that's with a taxi, car hire or ride-share.

  • If you're taking public transport, expect a journey time of about 35 minutes.

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

  • The lowest price we've found for a one-way ticket from Seoul to San Francisco International Airport is $478. For a return flight on this route, the best price is $845. Depending on the availability and when you book, these fares could change.

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

  • Schedule your trip for April. That's the best month for landing an awesome deal on Seoul to San Francisco International Airport tickets. If you're flexible with your travel dates, use the 'Whole month' tool to find the lowest price across each month.

  • Never miss a deal on plane tickets from Seoul to SFO by creating a Price Alert. We'll send you an email or notification through the app when prices go down.

  • Chase down a great fare on a flight from Seoul to San Francisco International Airport with the help of the filters. Pick your ideal departure and arrival times, number of stops and airlines. You can also sort your results by 'Fastest,' 'Cheapest' or 'Best.'

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). July is the busiest month to travel to San Francisco. If crowds aren't your thing, head there in December.

  • The warmest month in San Francisco is September, with temperatures ranging between 12ºC (54ºF) and 24ºC (75ºF). Lock in your Seoul to SFO plane ticket then if that's your idea of comfortable weather.

  • January has temperatures of between 5ºC (41ºF) and 16ºC (61ºF). Search for cheap tickets from Seoul to San Francisco International Airport around that time if you want to travel when it's cooler.

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 discovered once you've seen San Francisco. Around 257 kilometres away to the east, well-known attractions include Forestiere Underground Gardens, Shinzen Japanese Garden and Fresno Chaffee Zoo.

  • Sacramento is another must-experience destination in the United States and is around 129 kilometres northeast of San Francisco. No trip is complete without experiencing California State Railroad Museum, Old Sacramento State Historic Park and Crocker Art Museum.

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