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Cheap flights from Incheon Intl Airport to San Francisco from $346

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 10/24. 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

Hawaiian Airlines Logo
8:35 pm - 9:16 amICN-SFO
28h 41m1 stop
Hawaiian Airlines Logo
7:54 pm - 6:35 pmSFO-ICN
30h 41m1 stop
$446Hawaiian Airlines
Find Deal
Sat, Oct 11 - Sat, Oct 18
Alaska Airlines Logo
9:25 pm - 6:17 amICN-SFO
25h 52m1 stop
Alaska Airlines Logo
8:00 am - 6:35 pmSFO-ICN
17h 35m2 stops
$447Alaska Airlines
Find Deal
Sun, Nov 2 - Thu, Nov 13
Air Canada Logo
5:45 pm - 3:28 pmICN-SFO
13h 43m1 stop
Air Canada Logo
7:10 am - 4:05 pmSFO-ICN
16h 55m1 stop
$451Air Canada
Find Deal
Tue, Oct 7 - Sat, Oct 18
AIR PREMIA Logo
6:20 pm - 1:00 pmICN-SFO
10h 40mnonstop
AIR PREMIA Logo
3:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
$453AIR PREMIA
Find Deal
Sun, Sep 21 - Wed, Sep 24
AIR PREMIA Logo
6:20 pm - 1:00 pmICN-SFO
10h 40mnonstop
AIR PREMIA Logo
3:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
$455AIR PREMIA
Find Deal
Wed, Oct 15 - Sun, Oct 19
Air Canada Logo
5:45 pm - 5:39 pmICN-SFO
15h 54m1 stop
Air Canada Logo
6:38 pm - 4:05 pmSFO-ICN
29h 27m1 stop
$456Air Canada
Find Deal
Wed, Oct 15 - Tue, Oct 21
United Airlines Logo
12:45 pm - 6:30 amICN-SFO
10h 45mnonstop
United Airlines Logo
11:45 pm - 5:40 amSFO-ICN
12h 55mnonstop
$467United Airlines
Find Deal
Sat, Nov 22 - Sun, Nov 30
United Airlines Logo
6:00 pm - 11:35 amICN-SFO
10h 35mnonstop
United Airlines Logo
10:30 am - 4:15 pmSFO-ICN
12h 45mnonstop
$468United Airlines
Find Deal
Mon, Dec 15 - Mon, Jan 12
American Airlines Logo
5:25 pm - 9:01 pmICN-SFO
19h 36m1 stop
American Airlines Logo
9:07 am - 3:30 pmSFO-ICN
38h 23m2 stops
$470American Airlines
Find Deal
Mon, Sep 22 - Fri, Oct 3
American Airlines Logo
5:45 pm - 11:29 pmICN-SFO
21h 44m1 stop
American Airlines Logo
12:50 am - 3:30 pmSFO-ICN
22h 40m1 stop
$480American Airlines
Find Deal
Wed, Oct 15 - Mon, Oct 20

Alaska Airlines flights from Incheon Intl Airport to San Francisco

Our best Alaska Airlines deals on Incheon Intl Airport to San Francisco flight tickets
Alaska Airlines
Sep 15
ICN8:35 pmIncheon Intl
19h 24m
2 stops
SFO11:59 pmSan Francisco
Sep 20
SFO4:52 pmSan Francisco
33h 43m
1 stop
ICN6:35 pmIncheon Intl
$443
Find similar
Alaska Airlines
Nov 2
ICN9:25 pmIncheon Intl
25h 52m
1 stop
SFO6:17 amSan Francisco
Nov 13
SFO8:00 amSan Francisco
17h 35m
2 stops
ICN6:35 pmIncheon Intl
$447
Find similar
Alaska Airlines
Nov 19
ICN9:25 pmIncheon Intl
33h 43m
2 stops
SFO2:08 pmSan Francisco
Nov 28
SFO6:25 amSan Francisco
19h 10m
1 stop
ICN6:35 pmIncheon Intl
$449
Find similar

Hawaiian Airlines flights from Incheon Intl Airport to San Francisco

Our best Hawaiian Airlines deals on Incheon Intl Airport to San Francisco flight tickets
Hawaiian Airlines
Oct 11
ICN8:35 pmIncheon Intl
28h 41m
1 stop
SFO9:16 amSan Francisco
Oct 18
SFO7:54 pmSan Francisco
30h 41m
1 stop
ICN6:35 pmIncheon Intl
$446
Find similar
Hawaiian Airlines
Nov 14
ICN8:35 pmIncheon Intl
18h 06m
1 stop
SFO9:41 pmSan Francisco
Nov 22
SFO8:31 pmSan Francisco
29h 04m
1 stop
ICN6:35 pmIncheon Intl
$448
Find similar
Hawaiian Airlines
Dec 19
ICN8:35 pmIncheon Intl
14h 32m
1 stop
SFO6:07 pmSan Francisco
Dec 25
SFO7:00 amSan Francisco
18h 35m
1 stop
ICN6:35 pmIncheon Intl
$450
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 September 11, 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

Sat 10/11

8:35 pm-9:16 am

1 stop28h 41m

San Francisco

Sat 10/18

7:54 pm-6:35 pm

1 stop30h 41m

$446

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 11/2

9:25 pm-6:17 am

1 stop25h 52m

San Francisco

Thu 11/13

8:00 am-6:35 pm

2 stops17h 35m

$447

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Tue 10/7

5:45 pm-3:28 pm

1 stop13h 43m

San Francisco

Sat 10/18

7:10 am-4:05 pm

1 stop16h 55m

$451

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 9/21

6:20 pm-1:00 pm

Nonstop10h 40m

San Francisco

Wed 9/24

3:30 pm-8:30 pm

Nonstop13h 00m

$453

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Wed 10/15

6:20 pm-1:00 pm

Nonstop10h 40m

San Francisco

Sun 10/19

3:30 pm-8:30 pm

Nonstop13h 00m

$455

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Wed 10/15

5:45 pm-5:39 pm

1 stop15h 54m

San Francisco

Tue 10/21

6:38 pm-4:05 pm

1 stop29h 27m

$456

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sat 11/22

12:45 pm-6:30 am

Nonstop10h 45m

San Francisco

Sun 11/30

11:45 pm-5:40 am

Nonstop12h 55m

$467

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 12/15

6:00 pm-11:35 am

Nonstop10h 35m

San Francisco

Mon 1/12

10:30 am-4:15 pm

Nonstop12h 45m

$468

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 9/22

5:25 pm-9:01 pm

1 stop19h 36m

San Francisco

Fri 10/3

9:07 am-3:30 pm

2 stops38h 23m

$470

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Wed 10/15

5:45 pm-11:29 pm

1 stop21h 44m

San Francisco

Mon 10/20

12:50 am-3:30 pm

1 stop22h 40m

$480

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 $572.

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 $721. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $833.

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 $809.

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 $711 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 $657 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 September 2025, prices for Incheon Intl Airport to San Francisco flights are approximately 39% 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

$408

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 $408. The best round-trip flight deal from Incheon Intl Airport to San Francisco found on momondo in the last 72 hours is $552.
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 $438Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $455Free CancellationRating
8.2
479 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $462Free CancellationRating
8.4
1,139 reviews
Search Korean Air flights
Air CanadaPriceFrom $463Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
AIR PREMIAPriceFrom $495Free CancellationRating
8.2
62 reviews
Search AIR PREMIA flights
DeltaPriceFrom $623Free CancellationRating
7.9
7,960 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 $682. 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 479 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 $680, with deals from around $455 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
Calistoga
Hayward
Bodega Bay
Roseville
Big Sur
Santa Clara
Daly City
Fremont
Berkeley
Walnut Creek
Half Moon Bay
Vallejo
South San Francisco
Redwood City
Fairfield
Salinas

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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