Cheap flights from Incheon Intl Airport to San Francisco from $304

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Incheon Intl Airport to San Francisco departing on 11/17. 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

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Air Canada Logo
6:55 pm - 10:39 amICN-SFO
32h 44m1 stop
Air Canada Logo
7:30 am - 5:10 pmSFO-ICN
16h 40m1 stop
$412Air Canada
Find Deal
Tue, Nov 25 - Sun, Nov 30
Hawaiian Airlines Logo
8:35 pm - 6:07 pmICN-SFO
14h 32m1 stop
Hawaiian Airlines Logo
10:13 am - 6:35 pmSFO-ICN
15h 22m1 stop
$434Hawaiian Airlines
Find Deal
Thu, Dec 18 - Sun, Jan 4
Air Canada Logo
5:55 pm - 12:20 pmICN-SFO
34h 25m1 stop
Air Canada Logo
6:00 pm - 4:10 pmSFO-ICN
30h 10m1 stop
$438Air Canada
Find Deal
Sun, Oct 26 - Thu, Oct 30
United Airlines Logo
12:45 pm - 6:30 amICN-SFO
10h 45mnonstop
United Airlines Logo
11:45 pm - 5:40 amSFO-ICN
12h 55mnonstop
$455United Airlines
Find Deal
Wed, Nov 5 - Sun, Nov 16
United Airlines Logo
12:45 pm - 6:30 amICN-SFO
10h 45mnonstop
United Airlines Logo
10:30 am - 4:15 pmSFO-ICN
12h 45mnonstop
$458United Airlines
Find Deal
Mon, Nov 10 - Wed, Nov 12
AIR PREMIA Logo
6:55 pm - 12:30 pmICN-SFO
10h 35mnonstop
AIR PREMIA Logo
2:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
$462AIR PREMIA
Find Deal
Sun, Feb 1 - Fri, Feb 6
AIR PREMIA Logo
6:55 pm - 12:30 pmICN-SFO
10h 35mnonstop
AIR PREMIA Logo
2:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
$463AIR PREMIA
Find Deal
Sun, Nov 23 - Sun, Nov 30
Multiple Airlines Logo
6:45 am - 9:28 amICN-SFO
43h 43m2 stops
Multiple Airlines Logo
8:40 am - 4:05 pmSFO-ICN
39h 25m2 stops
$474Multiple Airlines
Find Deal
Mon, Nov 10 - Mon, Apr 13
Alaska Airlines Logo
8:35 pm - 10:29 pmICN-SFO
17h 54m1 stop
Alaska Airlines Logo
7:57 pm - 7:25 pmSFO-ICN
30h 28m1 stop
$481Alaska Airlines
Find Deal
Sat, Oct 25 - Thu, Nov 13
Multiple Airlines Logo
6:55 pm - 3:35 pmICN-SFO
13h 40m1 stop
Multiple Airlines Logo
7:30 am - 10:25 pmSFO-ICN
21h 55m2 stops
$529Multiple Airlines
Find Deal
Thu, Nov 27 - Thu, Dec 4

Air Canada flights from Incheon Intl Airport to San Francisco

Our best Air Canada deals on Incheon Intl Airport to San Francisco flight tickets
Air Canada
Nov 25
ICN6:55 pmIncheon Intl
32h 44m
1 stop
SFO10:39 amSan Francisco
Nov 30
SFO7:30 amSan Francisco
16h 40m
1 stop
ICN5:10 pmIncheon Intl
Air Canada
Oct 21
ICN5:45 pmIncheon Intl
21h 23m
1 stop
SFO11:08 pmSan Francisco
Oct 30
SFO1:20 pmSan Francisco
34h 50m
1 stop
ICN4:10 pmIncheon Intl
Air Canada
Oct 26
ICN5:55 pmIncheon Intl
34h 25m
1 stop
SFO12:20 pmSan Francisco
Oct 30
SFO6:00 pmSan Francisco
30h 10m
1 stop
ICN4:10 pmIncheon Intl

United Airlines flights from Incheon Intl Airport to San Francisco

Our best United Airlines deals on Incheon Intl Airport to San Francisco flight tickets
United Airlines
Nov 5
ICN12:45 pmIncheon Intl
10h 45m
SFO6:30 amSan Francisco
Nov 16
SFO11:45 pmSan Francisco
12h 55m
ICN5:40 amIncheon Intl
United Airlines
Oct 20
ICN4:50 pmIncheon Intl
10h 45m
SFO11:35 amSan Francisco
Nov 10
SFO11:45 pmSan Francisco
12h 55m
ICN5:40 amIncheon Intl
United Airlines
Nov 10
ICN12:45 pmIncheon Intl
10h 45m
SFO6:30 amSan Francisco
Nov 12
SFO10:30 amSan Francisco
12h 45m
ICN4:15 pmIncheon Intl

momondo Fare Finder

 
Customize your flight search to find flights from Incheon Intl Airport to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 14, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Tue 11/25

6:55 pm-10:39 am

1 stop32h 44m

San Francisco

Sun 11/30

7:30 am-5:10 pm

1 stop16h 40m

$412

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Thu 12/18

8:35 pm-6:07 pm

1 stop14h 32m

San Francisco

Sun 1/4

10:13 am-6:35 pm

1 stop15h 22m

$434

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 10/26

5:55 pm-12:20 pm

1 stop34h 25m

San Francisco

Thu 10/30

6:00 pm-4:10 pm

1 stop30h 10m

$438

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Wed 11/5

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Sun 11/16

11:45 pm-5:40 am

Nonstop12h 55m

$455

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 11/10

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Wed 11/12

10:30 am-4:15 pm

Nonstop12h 45m

$458

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 2/1

6:55 pm-12:30 pm

Nonstop10h 35m

San Francisco

Fri 2/6

2:30 pm-8:30 pm

Nonstop13h 00m

$462

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 11/23

6:55 pm-12:30 pm

Nonstop10h 35m

San Francisco

Sun 11/30

2:30 pm-8:30 pm

Nonstop13h 00m

$463

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 11/10

6:45 am-9:28 am

2 stops43h 43m

San Francisco

Mon 4/13

8:40 am-4:05 pm

2 stops39h 25m

$474

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sat 10/25

8:35 pm-10:29 pm

1 stop17h 54m

San Francisco

Thu 11/13

7:57 pm-7:25 pm

1 stop30h 28m

$481

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Thu 11/27

6:55 pm-3:35 pm

1 stop13h 40m

San Francisco

Thu 12/4

7:30 am-10:25 pm

2 stops21h 55m

$529

Flights are sorted by cheapest round-trip flights first.

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See travel insights to San Francisco from

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

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 San Francisco?

If you aren’t able to travel to San Francisco during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $566.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Incheon Intl Airport to San Francisco is on a Wednesday when prices can be found for as low as $710. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $822.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Incheon Intl Airport to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $492. Flights in the morning are often more expensive with an average ticket price of $807.

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

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

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Incheon Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $692 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Incheon Intl Airport for as low as $556 on momondo.

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

There are 4 cabin classes available to choose from on Incheon Intl to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Incheon Intl Airport to San Francisco flights?

You could potentially save up to 8% on your flight if you consider stops on a Incheon Intl Airport to San Francisco flight.

How have Incheon Intl Airport to San Francisco flight prices changed over time?

As of October 2025, prices for Incheon Intl Airport to San Francisco flights are approximately 32% cheaper when compared to flights at the same time last year.

When to book flights from Incheon Intl Airport to San Francisco

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

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

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

Best Price Found

$325

Fastest flight time

10h 10m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Incheon Intl Airport in the past 72 hours is $325. The best round-trip flight deal from Incheon Intl Airport to San Francisco found on momondo in the last 72 hours is $518.
The fastest flight from Incheon Intl Airport to San Francisco takes 10h 10m
Direct flights go from Incheon Intl Airport to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
  • How far is Incheon Intl to San Francisco by plane?

    San Francisco is 5632.9 mi away from Incheon Intl. By plane, this route typically takes 10h 35m.

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

    Prices for flights from Incheon Intl Airport to San Francisco Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Incheon Intl Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents required for your trip to San Francisco 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 San Francisco 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 Incheon Intl Airport to San Francisco?

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

Best airlines flying from Incheon Intl Airport to San Francisco

Compare and see reviews for airlines that fly from Incheon Intl Airport to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $381Free CancellationRating
7.1
10,295 reviews
Search Air Canada flights
United AirlinesPriceFrom $438Free CancellationRating
7.4
8,976 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $453Free CancellationRating
8.2
486 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $462Free CancellationRating
8.4
1,149 reviews
Search Korean Air flights
AIR PREMIAPriceFrom $482Free CancellationRating
8.3
64 reviews
Search AIR PREMIA flights
DeltaPriceFrom $595Free CancellationRating
7.9
7,972 reviews
Search Delta flights
  • Korean Air Flights From Incheon Intl Airport to San Francisco

    Korean Air is one of the most popular airlines flying from Incheon Intl Airport to San Francisco, operating 7 flights/week on average for this route. A good Korean Air flight deal for Incheon Intl Airport to San Francisco starts from $462 round-trip, up to an average price of $640. Our users have rated Korean Air at 8.4/10.

  • AIR PREMIA Flights From Incheon Intl Airport to San Francisco

    AIR PREMIA (8.3/10 from 64 reviews) operates around 4 flights from Incheon Intl Airport to San Francisco in any given week. The average AIR PREMIA airfare for this route is around $664, with deals from around $482 rare but found on momondo. Referenced prices are for round-trip Incheon Intl Airport to San Francisco flight searches in the last 72 hours.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Calistoga
Hayward
Roseville
Big Sur
Santa Clara
Fremont
Daly City
Berkeley
Walnut Creek
Half Moon Bay
Vallejo
Salinas
Redwood City
Turlock
South San Francisco

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Seoul.

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

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

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

momondo helps you find the best flight between Seoul and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Seoul and alert you when they change.

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1 adult
Thu 11/13
Thu 11/20

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