Cheap flights from San Francisco to Seoul from $344
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Seoul departing on 4/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from San Francisco to Seoul
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
China Southern flights from San Francisco to Seoul
Our best China Southern deals on San Francisco to Seoul flight tickets
AIR PREMIA flights from San Francisco to Seoul
Our best AIR PREMIA deals on San Francisco to Seoul flight tickets
See travel insights to Seoul from
How to get the cheapest flight ticket from San Francisco to Seoul
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seoul?
The month of March is another great option to travel to Seoul, with average flight prices from San Francisco averaging around $763.
What is the cheapest day to depart on your flight to Seoul?
According to our data, Monday is the cheapest day to fly to Seoul from San Francisco. The lowest ticket price found for a Monday departure recently was $898. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Friday, with ticket prices averaging around $1,079.
What is the cheapest time of day to depart on your flight to Seoul?
Flying to Seoul from San Francisco in the morning is the least expensive time of day to depart. momondo users have found prices as low as $944 when looking at flights departing in the morning. At noon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,044 per ticket.
What is the cheapest San Francisco to Seoul flight route?
Fly from San Francisco to Incheon Intl for the best San Francisco - Seoul flight prices
How far in advance should I book a flight to Seoul?
You are more likely to see cheaper flights to Seoul from San Francisco when booking 4 weeks ahead of your departure date. In general, you can expect to find flights to Seoul for around $1,051 when searching 4 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seoul from San Francisco for as low as $848 on momondo.
What cabin class options are available on San Francisco to Seoul flights?
There are 4 cabin classes available to choose from on San Francisco to Seoul flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from San Francisco to Seoul?
AIR PREMIA, China Southern, and Vietnam Airlines are the most popular carriers operating from San Francisco to Seoul
What airlines fly to Seoul?
AIR PREMIA, United Airlines and Asiana Airlines are the top three most popular airlines that fly to Seoul from San Francisco according to our data. AIR PREMIA is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Seoul. Keep in mind that there are 15 different airlines that fly to Seoul on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Francisco to Seoul on average per day?
The number of flights available between San Francisco and Seoul is 11 per day as of February 2025. The most frequent departure time is 11:00PM, with 50% of daily flights leaving in the evening.
How many flights depart from San Francisco to Seoul on average per week?
As of February 2025, 83 flights take off from San Francisco and land in Seoul each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.
When to book flights from San Francisco to Seoul
Cheap San Francisco to Seoul (SFO to SEL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to Seoul
How far is San Francisco to Seoul by plane?
Seoul is 5606.2 mi away from San Francisco. A reasonable flight in good conditions will take 12h 30m.
When did momondo last update prices for flights from San Francisco Airport to Seoul?
Prices for flights from San Francisco Airport to Seoul were last updated today.
How many operators does momondo search for flights from San Francisco Airport to Seoul?
As of February 2025, there are 15 operators available to choose from for flights from San Francisco Airport to Seoul.
How old do you have to be to fly from San Francisco Airport to Seoul?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Seoul.
What documentation or ID do you need to fly to Seoul?
The necessary travel and health documents for your Seoul trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Francisco to Seoul?
Based on momondo bookings for flights between San Francisco and Seoul, the leading plane model is Boeing 777-300ER, making up 36.59% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 25.80%, Airbus A350-900 with 16.67%, and Boeing 777 with 13.75%.
What is the most popular airline from San Francisco to Seoul?
Based on momondo bookings for flights between San Francisco and Seoul, the leading airline is United Airlines, making up 33% of the total bookings. Other popular airlines include AIR PREMIA with 29%, Asiana Airlines with 13%, and Korean Air with 13%.
Best airlines flying from San Francisco to Seoul
Compare and see reviews for airlines that fly from San Francisco to Seoul with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $403 | Free Cancellation | Rating 7.9 2,318 reviews | |||
| PriceFrom $641 | Free Cancellation | Rating 8.2 54 reviews | |||
| PriceFrom $660 | Free Cancellation | Rating 7.4 8,723 reviews | |||
| PriceFrom $663 | Free Cancellation | Rating 8.2 445 reviews | |||
| PriceFrom $690 | Free Cancellation | Rating 7.0 125 reviews | |||
| PriceFrom $791 | Free Cancellation | Rating 7.0 8,803 reviews | |||
| PriceFrom $797 | Free Cancellation | Rating 8.4 1,039 reviews | |||
| PriceFrom $824 | Free Cancellation | Rating 7.5 825 reviews | |||
| PriceFrom $847 | Free Cancellation | Rating 7.4 45 reviews | |||
| PriceFrom $955 | Free Cancellation | Rating 8.2 721 reviews |
Korean Air Flights From San Francisco to Seoul
Korean Air is one of the most popular airlines flying from San Francisco to Seoul, operating 7 flights/week on average for this route. A good Korean Air flight deal for San Francisco to Seoul starts from $797 round-trip, up to an average price of $1,291. Our users have rated Korean Air at 8.4/10.
AIR PREMIA Flights From San Francisco to Seoul
Another popular option for San Francisco to Seoul flights is AIR PREMIA (8.2/10, 54 ratings). AIR PREMIA flies from San Francisco to Seoul around 4 times per week, with deals starting from $641 round-trip and rising to an average price of around $978.
Why use momondo?
Why should I use momondo to find a flight deal from San Francisco to Seoul?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Francisco to Seoul. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from San Francisco to Seoul with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Seoul from San Francisco with this policy.
How can momondo help me find flights from San Francisco to Seoul?
Once all potential San Francisco to Seoul flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from San Francisco to Seoul right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of San Francisco to Seoul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.