San FranciscoSeoul, South Korea

Flights from San Francisco to Seoul

Nonstop flights from San Francisco (SFO) to Seoul (ICN) take about 11h 51m (9,085 km). Air Premia, United Airlines and Asiana Airlines fly it. Lowest fare seen: $322 one-way, nonstop (12 Oct 2026).

All flights from San Francisco →All flights to Seoul →

Photo of Seoul: Henry Acevedo on Pexels.

When you land in Seoul

The airport transfer and the few things worth sorting before you fly.

Red facade of Seoul Square with multiple international flags displayed. — arriving in Seoul

Airport transfer

ICN → Seoul, booked before you fly

A private driver meets you in arrivals at a price agreed when you book. Book with Welcome Pickups.

See transfer prices

A United Airlines jet soaring over the iconic San Francisco skyline. — lounges at San Francisco Airport

San Francisco Airport · 5 lounges

Before you flyAirport lounges at San Francisco →

Early arrival or late flightLuggage storage in Seoul →2 drop-off points, from ₩5100.00

Things to book in Seoul

All 24 things to do in Seoul →

from €53.56

Day Trips from Seoul 4.7 · 24 Tiqets reviews

from €34.81

Gyeongbokgung Palace 3.2 · 5 Tiqets reviews

from €12.91

N Seoul Tower 3.6 · 5 Tiqets reviews

from €8.69

Seoul Airport transfers 5.0 · 4 Tiqets reviews

Find hotels in Seoul

Hotels, hostels & more · Trip.com

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Airlines flying San Francisco to Seoul

Carriers on SFO–ICN according to our route data and nonstop fares seen as of 12 Oct 2026. Not a complete list.

✈ Air Premianonstop fare seen✈ United Airlinesnonstop fare seen✈ Asiana Airlinesnonstop fare seen

San Francisco to Seoul fares by month

Cheapest month seen for a nonstop flight: Jan 2027, from $319 one-way. Lowest one-way fares seen for departures in each month, read 22 Oct 2026.

Departing	Nonstop from	Cheaper with stops
Oct 2026	$55623 Oct 2026 · Air Premia	$487 · 1 stop23 Oct 2026
Nov 2026	$3558 Nov 2026 · United Airlines	$344 · 1 stop7 Nov 2026 · United Airlines
Dec 2026	$3492 Dec 2026 · Air Premia	—
Jan 2027	$31911 Jan 2027 · Air Premia	—
Sept 2027	$3512 Sept 2027 · United Airlines	—

When to go for the lowest fare

Fares were close across the months we saw: $344 for November 2026, $319 at best after that.

Nonstop or with a stop

A connection undercut nonstop in 2 of 2 months with both fares.

From Travelpayouts flight-search data, city to city (San Francisco to Seoul, any airport), USD, read 22 Oct 2026. These are fares that were on sale, not a guarantee of today's price; an airline is named only where we know it flies this route.

Best time to fly to Seoul

Based on weather and travel conditions in South Korea

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Best monthsGoodAvoid if possible

Spring and autumn offer mild weather and stunning scenery. Summer (July–August) is hot and rainy; winter is bitterly cold but perfect for ski resorts like Gangwon.

Peak season: April – June, September – November

More for this trip

Frequently asked questions — San Francisco to Seoul flights

How long is the flight from San Francisco to Seoul?

A nonstop flight from San Francisco (SFO) to Seoul (ICN) takes about 11h 51m, covering 9,085 km. That is an estimate from the distance — actual time varies with the airline, aircraft and winds, and connecting itineraries take longer.

How far is San Francisco from Seoul by air?

The great-circle distance between San Francisco International Airport and Incheon International Airport is 9,085 km (5,645 miles), a ultra long-haul route.

Which airlines fly from San Francisco to Seoul?

Airlines with flights or nonstop fares on the SFO–ICN route include Air Premia, United Airlines and Asiana Airlines. This is not a complete list — schedules change by season, so check the current options before booking.

How much does a flight from San Francisco to Seoul cost?

The lowest one-way fare seen recently on SFO–ICN was $322 USD with Air Premia (nonstop), departing 22 Mar 2027, found in fare searches as of 12 Oct 2026. Fares change constantly and depend on the date, so check the current price before booking.

What is the cheapest month to fly from San Francisco to Seoul?

In fares seen on 22 Oct 2026, departures in January 2027 were cheapest, from $319 one-way, against $487 for October 2026, the dearest month. Fares change daily, so check your own dates.

Is it cheaper to fly nonstop or with a stop from San Francisco to Seoul?

In the fares we saw (12 Oct 2026), connecting was cheaper: from $246 with one stop against $322 nonstop, a saving of $76. Nonstop saves the connection time.

Do I need a visa to travel from San Francisco to South Korea?

It depends on your passport. Some nationalities can enter South Korea visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.

What is the best time to visit Seoul?

Spring and autumn offer mild weather and stunning scenery. Summer (July–August) is hot and rainy; winter is bitterly cold but perfect for ski resorts like Gangwon.

Sources: fares from Travelpayouts flight-search data, seen 12 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.

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