Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Francisco to Seoul from $340

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 4/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo
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

KAYAK's recommended round-trip deals from the most popular airlines that fly from San Francisco to Seoul.
3:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
6:20 pm - 1:00 pmICN-SFO
10h 40mnonstop
$626AIR PREMIA
Find Deal
Wed, May 14 - Wed, May 21
3:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
6:20 pm - 1:00 pmICN-SFO
10h 40mnonstop
$634AIR PREMIA
Find Deal
Wed, Apr 23 - Sun, May 18
11:55 pm - 4:20 amSFO-ICN
12h 25mnonstop
11:30 am - 6:10 amICN-SFO
10h 40mnonstop
$660United Airlines
Find Deal
Fri, Aug 22 - Mon, Sep 15
10:30 am - 3:00 pmSFO-ICN
12h 30mnonstop
4:50 pm - 11:30 amICN-SFO
10h 40mnonstop
$661United Airlines
Find Deal
Tue, Apr 22 - Mon, May 12
11:40 am - 4:05 pmSFO-ICN
36h 25m1 stop
5:45 pm - 12:38 pmICN-SFO
34h 53m2 stops
$784Air Canada
Find Deal
Mon, Sep 22 - Mon, Oct 6
1:05 pm - 4:05 pmSFO-ICN
35h 00m2 stops
5:45 pm - 12:38 pmICN-SFO
34h 53m2 stops
$801Air Canada
Find Deal
Tue, Aug 26 - Wed, Sep 10
4:15 pm - 4:30 amSFO-ICN
20h 15m1 stop
4:00 pm - 10:40 amICN-SFO
10h 40mnonstop
$803Korean Air
Find Deal
Fri, Aug 29 - Mon, Sep 15
12:40 pm - 5:20 pmSFO-ICN
12h 40mnonstop
8:25 pm - 7:53 amICN-SFO
27h 28m1 stop
$808Korean Air
Find Deal
Tue, Apr 29 - Tue, May 6
11:30 pm - 4:30 amSFO-ICN
13h 00mnonstop
8:55 pm - 3:30 pmICN-SFO
10h 35mnonstop
$820Asiana Airlines
Find Deal
Mon, May 12 - Mon, May 26
11:30 pm - 4:30 amSFO-ICN
13h 00mnonstop
8:55 pm - 3:30 pmICN-SFO
10h 35mnonstop
$834Asiana Airlines
Find Deal
Fri, Sep 12 - Mon, Sep 22

AIR PREMIA flights from San Francisco to Seoul

Our best AIR PREMIA deals on San Francisco to Seoul flight tickets
AIR PREMIA
May 14
SFO3:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
May 21
ICN6:20 pmIncheon Intl
10h 40m
SFO1:00 pmSan Francisco
AIR PREMIA
Apr 23
SFO3:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
May 18
ICN6:20 pmIncheon Intl
10h 40m
SFO1:00 pmSan Francisco
AIR PREMIA
Apr 20
SFO3:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
May 5
ICN6:20 pmIncheon Intl
10h 40m
SFO1:00 pmSan Francisco

United Airlines flights from San Francisco to Seoul

Our best United Airlines deals on San Francisco to Seoul flight tickets
United Airlines
Aug 22
SFO11:55 pmSan Francisco
12h 25m
ICN4:20 amIncheon Intl
Sep 15
ICN11:30 amIncheon Intl
10h 40m
SFO6:10 amSan Francisco
United Airlines
Apr 22
SFO10:30 amSan Francisco
12h 30m
ICN3:00 pmIncheon Intl
May 12
ICN4:50 pmIncheon Intl
10h 40m
SFO11:30 amSan Francisco
United Airlines
Apr 20
SFO10:30 amSan Francisco
12h 30m
ICN3:00 pmIncheon Intl
May 5
ICN4:50 pmIncheon Intl
10h 40m
SFO11:30 amSan Francisco

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 typical price of a round-trip flight between San Francisco and Seoul?

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 $738.

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 $875. 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 Saturday, with ticket prices averaging around $1,031.

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 $902 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 $996 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 $1,010 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 $834 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.

How have San Francisco to Seoul flight prices changed over time?

As of March 2025, prices for San Francisco to Seoul flights are approximately 39% cheaper when compared to flights at the same time last year.

When to book flights from San Francisco to Seoul

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Seoul according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best Price Found

$340

Fastest flight time

12h 25m

Direct flights

Every day

Airports in Seoul

2 airports
The best one-way flight to Seoul from San Francisco in the past 72 hours is $340. The best round-trip flight deal from San Francisco to Seoul found on momondo in the last 72 hours is $626.
The fastest flight from San Francisco to Seoul takes 12h 25m
Direct flights go from San Francisco to Seoul every day.
There are 2 airports near Seoul: Incheon Intl (ICN), Seoul Gimpo Intl (GMP)

  • 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 25m.

  • 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?

  • 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?

  • What is the most popular airline from San Francisco to Seoul?


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
Hawaiian AirlinesPriceFrom $403Free CancellationRating
7.9
2,342 reviews
Search Hawaiian Airlines flights
AIR PREMIAPriceFrom $641Free CancellationRating
8.2
55 reviews
Search AIR PREMIA flights
China EasternPriceFrom $651Free CancellationRating
7.2
139 reviews
Search China Eastern flights
United AirlinesPriceFrom $660Free CancellationRating
7.4
8,614 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $662Free CancellationRating
8.2
440 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $789Free CancellationRating
8.4
1,051 reviews
Search Korean Air flights
Air CanadaPriceFrom $789Free CancellationRating
7.0
9,004 reviews
Search Air Canada flights
Cathay PacificPriceFrom $815Free CancellationRating
7.5
841 reviews
Search Cathay Pacific flights
China AirlinesPriceFrom $924Free CancellationRating
8.2
723 reviews
Search China Airlines flights
EVA AirPriceFrom $950Free CancellationRating
8.4
1,170 reviews
Search EVA Air flights
  • 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 $789 round-trip, up to an average price of $1,232. 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, 55 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 $953.


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.


An easier way to manage your Seoul trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sat 4/5
Sat 4/12

Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul