Cheap flights from San Francisco to Seoul from $347

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 9/10. 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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Cheap round-trip flights

AIR PREMIA Logo
3:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
AIR PREMIA Logo
6:20 pm - 1:00 pmICN-SFO
10h 40mnonstop
$604AIR PREMIA
Find Deal
Sun, Aug 24 - Mon, Sep 15
AIR PREMIA Logo
3:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
AIR PREMIA Logo
6:20 pm - 1:00 pmICN-SFO
10h 40mnonstop
$606AIR PREMIA
Find Deal
Fri, Aug 22 - Mon, Sep 15
Hawaiian Airlines Logo
2:46 pm - 6:35 pmSFO-ICN
34h 49m1 stop
Hawaiian Airlines Logo
9:25 pm - 8:00 pmICN-SFO
15h 35m1 stop
$623Hawaiian Airlines
Find Deal
Tue, Nov 4 - Sun, Nov 23
United Airlines Logo
11:45 pm - 5:40 amSFO-ICN
12h 55mnonstop
United Airlines Logo
6:00 pm - 11:35 amICN-SFO
10h 35mnonstop
$627United Airlines
Find Deal
Mon, Dec 1 - Sun, Dec 14
United Airlines Logo
11:55 pm - 4:20 amSFO-ICN
12h 25mnonstop
United Airlines Logo
4:50 pm - 11:35 amICN-SFO
10h 45mnonstop
$652United Airlines
Find Deal
Wed, Aug 27 - Wed, Sep 3
China Eastern Logo
12:00 pm - 3:25 pmSFO-ICN
35h 25m1 stop
China Eastern Logo
4:35 pm - 9:05 amICN-SFO
32h 30m1 stop
$654China Eastern
Find Deal
Mon, Sep 1 - Fri, Sep 5
China Eastern Logo
12:00 pm - 2:50 pmSFO-ICN
34h 50m2 stops
China Eastern Logo
12:55 pm - 9:05 amICN-SFO
36h 10m1 stop
$655China Eastern
Find Deal
Mon, Sep 1 - Fri, Sep 5
Hawaiian Airlines Logo
8:00 am - 6:35 pmSFO-ICN
17h 35m1 stop
Hawaiian Airlines Logo
9:25 pm - 6:17 amICN-SFO
25h 52m1 stop
$658Hawaiian Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 19
Alaska Airlines Logo
6:00 am - 6:35 pmSFO-ICN
20h 35m1 stop
Alaska Airlines Logo
8:35 pm - 10:14 pmICN-SFO
17h 39m1 stop
$676Alaska Airlines
Find Deal
Sat, Sep 13 - Fri, Sep 19
Alaska Airlines Logo
9:40 pm - 6:35 pmSFO-ICN
27h 55m1 stop
Alaska Airlines Logo
8:35 pm - 6:08 pmICN-SFO
14h 33m1 stop
$682Alaska Airlines
Find Deal
Wed, Jan 7 - Thu, Jan 22

AIR PREMIA flights from San Francisco to Incheon Intl Airport

Our best AIR PREMIA deals on San Francisco to Incheon Intl Airport flight tickets
AIR PREMIA
Aug 24
SFO3:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
Sep 15
ICN6:20 pmIncheon Intl
10h 40m
SFO1:00 pmSan Francisco
AIR PREMIA
Aug 22
SFO3:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
Sep 15
ICN6:20 pmIncheon Intl
10h 40m
SFO1:00 pmSan Francisco
AIR PREMIA
Nov 16
SFO2:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
Nov 23
ICN6:55 pmIncheon Intl
10h 05m
SFO12:00 pmSan Francisco

Hawaiian Airlines flights from San Francisco to Incheon Intl Airport

Our best Hawaiian Airlines deals on San Francisco to Incheon Intl Airport flight tickets
Hawaiian Airlines
Nov 4
SFO2:46 pmSan Francisco
34h 49m
1 stop
ICN6:35 pmIncheon Intl
Nov 23
ICN9:25 pmIncheon Intl
15h 35m
1 stop
SFO8:00 pmSan Francisco
Hawaiian Airlines
Nov 5
SFO8:00 amSan Francisco
17h 35m
1 stop
ICN6:35 pmIncheon Intl
Nov 19
ICN9:25 pmIncheon Intl
25h 52m
1 stop
SFO6:17 amSan Francisco
Hawaiian Airlines
Sep 21
SFO7:00 amSan Francisco
19h 35m
1 stop
ICN6:35 pmIncheon Intl
Oct 5
ICN8:35 pmIncheon Intl
28h 41m
1 stop
SFO9:16 amSan Francisco

See travel insights to Seoul from

How to get the cheapest flight ticket from San Francisco to Incheon Intl Airport

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 Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from San Francisco is in February. Flight prices, which tend to average around $678, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of February, then departing from San Francisco during the month March is also very affordable. Most momondo users find prices during this month for around $740.

What is the cheapest day to depart on your flight to Incheon Intl Airport?

The cheapest day to depart from San Francisco to Incheon Intl Airport is on a Monday when prices can be found for as low as $831. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $939. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

In the afternoon is the cheapest time of day to fly from San Francisco to Incheon Intl Airport when you can find flight prices for as low as $757. Flying to Incheon Intl Airport in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $897 on average. Flights to Incheon Intl Airport from San Francisco in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest San Francisco to Incheon Intl flight route?

Fly from San Francisco to Incheon Intl for the best San Francisco - Incheon Intl flight prices

How far in advance should I book a flight to Incheon Intl Airport?

You are more likely to see cheaper flights to Incheon Intl Airport from San Francisco when booking week ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $893 when searching week out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from San Francisco for as low as $727 on momondo.

What cabin class options are available on San Francisco to Incheon Intl flights?

There are 4 cabin classes available to choose from on San Francisco to Incheon Intl 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 Incheon Intl Airport flight prices changed over time?

As of July 2025, prices for San Francisco to Incheon Intl Airport flights are approximately 62% cheaper when compared to flights at the same time last year.

When to book flights from San Francisco to Incheon Intl Airport

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

Cheap San Francisco to Incheon Intl Airport (SFO to ICN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Incheon Intl Airport

Best Price Found

$347

Fastest flight time

12h 20m

Direct flights

Every day
The best one-way flight to Incheon Intl Airport from San Francisco in the past 72 hours is $347. The best round-trip flight deal from San Francisco to Incheon Intl Airport found on momondo in the last 72 hours is $604.
The fastest flight from San Francisco to Incheon Intl Airport takes 12h 20m
Direct flights go from San Francisco to Incheon Intl Airport every day.

  • How far is San Francisco to Incheon Intl by plane?

    Incheon Intl is 5632.9 mi away from San Francisco. A reasonable flight in good conditions will take 12h 20m.

  • When did momondo last update prices for flights from San Francisco Airport to Incheon Intl Airport?

    Prices for flights from San Francisco Airport to Incheon Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Francisco Airport to Incheon Intl Airport?

  • How old do you have to be to fly from San Francisco Airport to Incheon Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Incheon Intl Airport.

  • What documentation or ID do you need to fly to Incheon Intl Airport?

    The travel and health documents required for your trip to Incheon Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Incheon Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from San Francisco to Incheon Intl Airport?

  • What is the most popular airline from San Francisco to Incheon Intl Airport?


Best airlines flying from San Francisco to Incheon Intl Airport

Compare and see reviews for airlines that fly from San Francisco to Incheon Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $422Free CancellationRating
7.8
2,571 reviews
Search Hawaiian Airlines flights
AIR PREMIAPriceFrom $625Free CancellationRating
8.2
57 reviews
Search AIR PREMIA flights
China EasternPriceFrom $651Free CancellationRating
7.2
151 reviews
Search China Eastern flights
Asiana AirlinesPriceFrom $656Free CancellationRating
8.2
454 reviews
Search Asiana Airlines flights
United AirlinesPriceFrom $660Free CancellationRating
7.4
8,856 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $675Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Korean AirPriceFrom $779Free CancellationRating
8.4
1,109 reviews
Search Korean Air flights
Air CanadaPriceFrom $789Free CancellationRating
7.1
9,717 reviews
Search Air Canada flights
Cathay PacificPriceFrom $809Free CancellationRating
7.6
933 reviews
Search Cathay Pacific flights
Vietnam AirlinesPriceFrom $833Free CancellationRating
7.5
195 reviews
Search Vietnam Airlines flights
  • Korean Air Flights From San Francisco to Incheon Intl Airport

    The lowest priced Korean Air flight from San Francisco to Incheon Intl Airport from the last 72 hours was $779. Generally, Korean Air has 7 flights on this route every week with an average price of $993. Korean Air is rated 8.4/10 by our users.

  • AIR PREMIA Flights From San Francisco to Incheon Intl Airport

    The best AIR PREMIA deal for San Francisco to Incheon Intl Airport flight tickets found on momondo in the last 72 hours was $625, round-trip. It should be noted that an average AIR PREMIA flight deal for this route in this time was higher, at $798 round-trip. AIR PREMIA operates 5 flights out of San Francisco into Incheon Intl Airport in an average week, so prices vary by time and availability. 57 AIR PREMIA reviews by users on momondo have scored the airline at 8.2/10.


Traveling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Suwon
Seongnam
Daejeon
Anyang

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Seoul?

It is quick and easy to find San Francisco to Seoul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seoul that suits you.

Can I find flights from San Francisco to Seoul with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seoul from San Francisco which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Francisco to Seoul?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seoul from San Francisco.

I’m not ready to book a flight from San Francisco to Seoul right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Seoul from San Francisco. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


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1 adult
Sat 7/19
Sat 7/26

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