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Cheap flights from Incheon Intl Airport to San Francisco from $395

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 8/30. 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 Incheon Intl Airport to San Francisco

Cheap round-trip flights

Logo
5:45 pm - 7:38 pmICN-SFO
17h 53m1 stop
Logo
7:05 am - 4:05 pmSFO-ICN
17h 00m2 stops
$597
Find Deal
Tue, Sep 16 - Thu, Sep 18
AIR PREMIA Logo
6:55 pm - 12:00 pmICN-SFO
10h 05mnonstop
AIR PREMIA Logo
2:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
$599AIR PREMIA
Find Deal
Wed, Jan 14 - Fri, Feb 6
Air Canada Logo
6:55 pm - 5:30 pmICN-SFO
15h 35m1 stop
Air Canada Logo
6:50 pm - 5:10 pmSFO-ICN
29h 20m1 stop
$601Air Canada
Find Deal
Sat, Dec 20 - Sat, Dec 27
Air Canada Logo
6:55 pm - 8:34 pmICN-SFO
18h 39m1 stop
Air Canada Logo
7:30 am - 5:10 pmSFO-ICN
16h 40m1 stop
$604Air Canada
Find Deal
Tue, Dec 2 - Tue, Dec 9
United Airlines Logo
6:00 pm - 11:35 amICN-SFO
10h 35mnonstop
United Airlines Logo
11:45 pm - 5:40 amSFO-ICN
12h 55mnonstop
$605United Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 11
United Airlines Logo
4:50 pm - 11:35 amICN-SFO
10h 45mnonstop
United Airlines Logo
10:35 am - 3:00 pmSFO-ICN
12h 25mnonstop
$608United Airlines
Find Deal
Tue, Sep 16 - Thu, Sep 18
Asiana Airlines Logo
8:40 pm - 3:00 pmICN-SFO
11h 20mnonstop
Asiana Airlines Logo
11:30 pm - 4:30 amSFO-ICN
12h 00mnonstop
$609Asiana Airlines
Find Deal
Thu, Nov 6 - Thu, Nov 13
Asiana Airlines Logo
8:55 pm - 3:30 pmICN-SFO
10h 35mnonstop
Asiana Airlines Logo
11:30 pm - 4:30 amSFO-ICN
13h 00mnonstop
$615Asiana Airlines
Find Deal
Sat, Sep 13 - Mon, Sep 15
Delta Logo
4:00 pm - 9:30 amICN-SFO
10h 30mnonstop
Delta Logo
6:05 am - 4:30 pmSFO-ICN
17h 25m1 stop
$627Delta
Find Deal
Sat, Nov 8 - Tue, Nov 18
Delta Logo
4:00 pm - 10:30 amICN-SFO
10h 30mnonstop
Delta Logo
6:05 am - 4:30 pmSFO-ICN
17h 25m1 stop
$630Delta
Find Deal
Sun, Nov 2 - Wed, Nov 12

Delta flights from Incheon Intl Airport to San Francisco

Our best Delta deals on Incheon Intl Airport to San Francisco flight tickets
Delta
Nov 8
ICN4:00 pmIncheon Intl
10h 30m
SFO9:30 amSan Francisco
Nov 18
SFO6:05 amSan Francisco
17h 25m
1 stop
ICN4:30 pmIncheon Intl
$627
Find similar
Delta
Nov 2
ICN4:00 pmIncheon Intl
10h 30m
SFO10:30 amSan Francisco
Nov 12
SFO6:05 amSan Francisco
17h 25m
1 stop
ICN4:30 pmIncheon Intl
$630
Find similar
Delta
Sep 9
ICN4:00 pmIncheon Intl
10h 40m
SFO10:40 amSan Francisco
Sep 30
SFO5:55 amSan Francisco
18h 45m
1 stop
ICN4:40 pmIncheon Intl
$632
Find similar

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
Dec 20
ICN6:55 pmIncheon Intl
15h 35m
1 stop
SFO5:30 pmSan Francisco
Dec 27
SFO6:50 pmSan Francisco
29h 20m
1 stop
ICN5:10 pmIncheon Intl
$601
Find similar
Air Canada
Dec 2
ICN6:55 pmIncheon Intl
18h 39m
1 stop
SFO8:34 pmSan Francisco
Dec 9
SFO7:30 amSan Francisco
16h 40m
1 stop
ICN5:10 pmIncheon Intl
$604
Find similar
Air Canada
Feb 7
ICN6:55 pmIncheon Intl
34h 25m
1 stop
SFO12:20 pmSan Francisco
Feb 19
SFO11:20 amSan Francisco
36h 50m
1 stop
ICN5:10 pmIncheon Intl
$607
Find similar

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 August 21, 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 9/16

5:45 pm-7:38 pm

1 stop17h 53m

San Francisco

Thu 9/18

7:05 am-4:05 pm

2 stops17h 00m

$597

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Wed 1/14

6:55 pm-12:00 pm

Nonstop10h 05m

San Francisco

Fri 2/6

2:30 pm-8:30 pm

Nonstop13h 00m

$599

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sat 12/20

6:55 pm-5:30 pm

1 stop15h 35m

San Francisco

Sat 12/27

6:50 pm-5:10 pm

1 stop29h 20m

$601

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Tue 12/2

6:55 pm-8:34 pm

1 stop18h 39m

San Francisco

Tue 12/9

7:30 am-5:10 pm

1 stop16h 40m

$604

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Tue 11/4

6:00 pm-11:35 am

Nonstop10h 35m

San Francisco

Tue 11/11

11:45 pm-5:40 am

Nonstop12h 55m

$605

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Tue 9/16

4:50 pm-11:35 am

Nonstop10h 45m

San Francisco

Thu 9/18

10:35 am-3:00 pm

Nonstop12h 25m

$608

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Thu 11/6

8:40 pm-3:00 pm

Nonstop11h 20m

San Francisco

Thu 11/13

11:30 pm-4:30 am

Nonstop12h 00m

$609

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sat 9/13

8:55 pm-3:30 pm

Nonstop10h 35m

San Francisco

Mon 9/15

11:30 pm-4:30 am

Nonstop13h 00m

$615

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sat 11/8

4:00 pm-9:30 am

Nonstop10h 30m

San Francisco

Tue 11/18

6:05 am-4:30 pm

1 stop17h 25m

$627

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 11/2

4:00 pm-10:30 am

Nonstop10h 30m

San Francisco

Wed 11/12

6:05 am-4:30 pm

1 stop17h 25m

$630

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $591.

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 Monday when prices can be found for as low as $727. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $850.

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 $817.

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 $716 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 $606 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?

No. A direct flight is the cheapest option for a flight between Incheon Intl Airport to San Francisco.

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

As of August 2025, prices for Incheon Intl Airport to San Francisco flights are approximately 43% 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

$399

Fastest flight time

10h 05m

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 $399. The best round-trip flight deal from Incheon Intl Airport to San Francisco found on momondo in the last 72 hours is $615.
The fastest flight from Incheon Intl Airport to San Francisco takes 10h 05m
Direct flights go from Incheon Intl Airport to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
Search flight deals

  • 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 05m.

  • 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
United AirlinesPriceFrom $454Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $456Free CancellationRating
8.2
475 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $462Free CancellationRating
8.4
1,131 reviews
Search Korean Air flights
Air CanadaPriceFrom $463Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
AIR PREMIAPriceFrom $495Free CancellationRating
8.2
60 reviews
Search AIR PREMIA flights
DeltaPriceFrom $623Free CancellationRating
7.9
7,981 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 $699. Our users have rated Korean Air at 8.4/10.

  • Asiana Airlines Flights From Incheon Intl Airport to San Francisco

    Asiana Airlines (8.2/10 from 475 reviews) operates around 21 flights from Incheon Intl Airport to San Francisco in any given week. The average Asiana Airlines airfare for this route is around $699, with deals from around $456 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
Calistoga
Sonoma
Hayward
Bodega Bay
Roseville
Santa Clara
Big Sur
Daly City
Fremont
Berkeley
Walnut Creek
Half Moon Bay
Vallejo
South San Francisco
Redwood City
Pacific Grove
Sunnyvale

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.

An easier way to manage your San Francisco 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.
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