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Cheap flights from San Francisco to Seoul from $333

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 7/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
AIR PREMIA Logo
3:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
AIR PREMIA Logo
6:20 pm - 1:00 pmICN-SFO
10h 40mnonstop
$565AIR PREMIA
Find Deal
Mon, May 5 - Mon, May 19
AIR PREMIA Logo
3:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
AIR PREMIA Logo
6:20 pm - 1:00 pmICN-SFO
10h 40mnonstop
$566AIR PREMIA
Find Deal
Mon, May 5 - Mon, May 19
Cathay Pacific Logo
1:05 am - 7:05 pmSFO-ICN
26h 00m1 stop
Cathay Pacific Logo
3:10 pm - 5:50 pmICN-SFO
18h 40m1 stop
$653Cathay Pacific
Find Deal
Thu, Aug 14 - Tue, Aug 26
United Airlines Logo
11:55 pm - 4:20 amSFO-ICN
12h 25mnonstop
United Airlines Logo
11:30 am - 6:10 amICN-SFO
10h 40mnonstop
$660United Airlines
Find Deal
Sat, Jul 26 - Mon, Sep 8
United Airlines Logo
11:45 pm - 4:20 amSFO-ICN
12h 35mnonstop
United Airlines Logo
5:00 pm - 11:35 amICN-SFO
10h 35mnonstop
$661United Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 29
Cathay Pacific Logo
12:05 am - 12:40 pmSFO-ICN
20h 35m1 stop
Cathay Pacific Logo
1:40 pm - 5:30 pmICN-SFO
19h 50m1 stop
$710Cathay Pacific
Find Deal
Sat, Sep 6 - Thu, Sep 18
Asiana Airlines Logo
11:30 pm - 4:00 amSFO-ICN
12h 30mnonstop
Asiana Airlines Logo
8:55 pm - 4:00 pmICN-SFO
11h 05mnonstop
$722Asiana Airlines
Find Deal
Tue, Aug 5 - Tue, Aug 19
Asiana Airlines Logo
11:30 pm - 4:00 amSFO-ICN
12h 30mnonstop
Asiana Airlines Logo
8:55 pm - 4:00 pmICN-SFO
11h 05mnonstop
$726Asiana Airlines
Find Deal
Mon, Aug 4 - Mon, Aug 18
Air Canada Logo
1:05 pm - 4:05 pmSFO-ICN
35h 00m2 stops
Air Canada Logo
5:45 pm - 12:23 pmICN-SFO
34h 38m2 stops
$789Air Canada
Find Deal
Mon, Sep 1 - Thu, Oct 16
Air Canada Logo
1:05 pm - 4:05 pmSFO-ICN
35h 00m2 stops
Air Canada Logo
5:45 pm - 3:28 pmICN-SFO
13h 43m1 stop
$802Air Canada
Find Deal
Mon, Sep 1 - Thu, Sep 18

AIR PREMIA flights from San Francisco to Seoul

Our best AIR PREMIA deals on San Francisco to Seoul flight tickets
AIR PREMIA
May 5
SFO3:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
May 19
ICN6:20 pmIncheon Intl
10h 40m
SFO1:00 pmSan Francisco
AIR PREMIA
May 5
SFO3:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
May 19
ICN6:20 pmIncheon Intl
10h 40m
SFO1:00 pmSan Francisco
AIR PREMIA
May 5
SFO3:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
May 19
ICN6:20 pmIncheon Intl
10h 40m
SFO1:00 pmSan Francisco

Cathay Pacific flights from San Francisco to Seoul

Our best Cathay Pacific deals on San Francisco to Seoul flight tickets
Cathay Pacific
Aug 14
SFO1:05 amSan Francisco
26h 00m
1 stop
ICN7:05 pmIncheon Intl
Aug 26
ICN3:10 pmIncheon Intl
18h 40m
1 stop
SFO5:50 pmSan Francisco
Cathay Pacific
Sep 6
SFO12:05 amSan Francisco
20h 35m
1 stop
ICN12:40 pmIncheon Intl
Sep 18
ICN1:40 pmIncheon Intl
19h 50m
1 stop
SFO5:30 pmSan Francisco
Cathay Pacific
Aug 18
SFO1:05 amSan Francisco
28h 05m
1 stop
ICN9:10 pmIncheon Intl
Sep 2
ICN10:10 amIncheon Intl
28h 45m
1 stop
SFO10:55 pmSan 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 $722.

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 $872. 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 $1,020.

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 $976 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 $818 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 April 2025, prices for San Francisco to Seoul flights are approximately 41% 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

$333

Fastest flight time

12h 25m

Direct flights

Every day

Airports in Seoul

1 airport
The best one-way flight to Seoul from San Francisco in the past 72 hours is $333. The best round-trip flight deal from San Francisco to Seoul found on momondo in the last 72 hours is $565.
The fastest flight from San Francisco to Seoul takes 12h 25m
Direct flights go from San Francisco to Seoul every day.
There is 1 airport near Seoul: Incheon Intl (ICN)

  • 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
2,393 reviews
Search Hawaiian Airlines flights
AIR PREMIAPriceFrom $639Free CancellationRating
8.2
56 reviews
Search AIR PREMIA flights
China EasternPriceFrom $651Free CancellationRating
7.2
144 reviews
Search China Eastern flights
Asiana AirlinesPriceFrom $656Free CancellationRating
8.2
443 reviews
Search Asiana Airlines flights
United AirlinesPriceFrom $660Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $675Free CancellationRating
8.0
9,911 reviews
Search Alaska Airlines flights
Korean AirPriceFrom $787Free CancellationRating
8.4
1,062 reviews
Search Korean Air flights
Air CanadaPriceFrom $789Free CancellationRating
7.0
9,192 reviews
Search Air Canada flights
Cathay PacificPriceFrom $814Free CancellationRating
7.5
850 reviews
Search Cathay Pacific flights
China AirlinesPriceFrom $924Free CancellationRating
8.3
727 reviews
Search China Airlines 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 $787 round-trip, up to an average price of $1,170. 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, 56 ratings). AIR PREMIA flies from San Francisco to Seoul around 4 times per week, with deals starting from $639 round-trip and rising to an average price of around $915.


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.


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Mon 4/28
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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