Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from San Francisco to Seoul
The cheapest flights right now
San Francisco – Seoul
Outbound – Nov 5, 2026
direct
12h 55m Return – Nov 18, 2026
1 stop
32h 0m EWR
$680
3 days ago
San Francisco – Seoul
Outbound – Nov 5, 2026
direct
12h 55m Return – Nov 18, 2026
1 stop
32h 0m EWR
$679
2 days ago
San Francisco – Seoul
Outbound – Nov 5, 2026
direct
12h 55m Return – Nov 18, 2026
1 stop
22h 27m EWR
$677
3 days ago
San Francisco – Seoul
Outbound – Nov 5, 2026
direct
12h 55m Return – Nov 18, 2026
direct
10h 45m $676
3 days ago
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$619
Average price of a round trip
$644
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
12h37
A flight from San Francisco to Seoul takes on average 12h37.
Best time
August
According to user searches, the ideal month to go to Seoul is August.
Tips for finding a cheap flight from San Francisco to Seoul
Check out our tips for booking your flight to Seoul (South Korea) from San Francisco (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is May, with an average flight ticket price of $526 (calculation over the last two years). The most touristic season corresponds to the months of October, March and December.
For the cheapest flights, it is advisable to buy your ticket at least 1 days before the departure date.
The airline offering the cheapest flight tickets is United Airlines. A ticket from the airline United Airlines to Seoul costs on average $636.
The airlines that offer the most flights are Asiana Airlines, United Airlines and Asiana Airlines.
Price of flight tickets from San Francisco to Seoul
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $619 to $1014
- The average price of a flight ticket is about $644
- Prices are lowest for stays in the month of May
- The month in which booking a ticket is cheaper is: September
info departure city :
San Francisco, USA
airport :
San Francisco International Airport (SFO)
local time :
San Francisco is a city in the country USA, the time zone is [[timezone]]. In San Francisco, it is currently {fromLocalTime}, the temperature is on average 20°C, with a minimum of 18°C and a maximum of 25°C.
The city of San Francisco has 1 airport(s): San Francisco
destination info :
Seoul, South Korea
airports :
Gimpo International Airport (GMP)
Incheon International Airport (ICN)
local time :
Seoul is in the country South Korea, the time zone is [[timezone]]. In Seoul, it is currently {toLocalTime}, the temperature is on average 20°C, with a minimum of 15°C and a maximum of 25°C.
The city of Seoul (SEL) has 2 airport(s): Gimpo and Incheon
Useful info about Seoul
What is the least touristic period to go to Seoul?
If you want to visit Seoul during the least touristic period, choose the month of August.
What is the most popular time to travel to Seoul?
In Seoul, the most popular month is October. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from San Francisco to Seoul?
According to our data, it is recommended to book your flight 1 days before your departure. If you book your flight ticket 1 weeks before your departure, you may find a price below average. The cheapest day to book a flight from San Francisco to Seoul is Saturday.
What are the arrival and destination airports when traveling between San Francisco and Seoul?
When you leave, you can leave from San Francisco, and you will arrive at Gimpo or Incheon.
How to reach San Francisco airport from the city centre?
This information is not available at this time.
Are there other means of transportation to go from San Francisco to Seoul?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between San Francisco and Seoul?
In summer, the average temperature is 25°C in Seoul and 17°C in San Francisco. The average rainfall in summer is 271 mm in Seoul and 2 mm in San Francisco. In summer, it is warmer in Seoul and it rains less in San Francisco. In winter, it is colder in San Francisco and it rains more in San Francisco.