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Cheap flights from Incheon Intl Airport to San Francisco from $319

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 2/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Incheon Intl Airport to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:35 pm - 5:59 pm
ICN
-
SFO
14h 24m1 stop
Multiple Airlines Logo
8:42 am - 6:35 pm
SFO
-
ICN
16h 53m1 stop
$420Multiple Airlines
Sat, Feb 7 - Thu, Feb 12
Air Canada Logo
6:55 pm - 12:20 pm
ICN
-
SFO
34h 25m1 stop
Air Canada Logo
7:30 am - 4:05 pm
SFO
-
ICN
16h 35m1 stop
$423Air Canada
Mon, Mar 2 - Mon, Mar 30
Hawaiian Airlines Logo
8:35 pm - 6:07 pm
ICN
-
SFO
14h 32m1 stop
Hawaiian Airlines Logo
7:28 pm - 6:35 pm
SFO
-
ICN
30h 07m1 stop
$427Hawaiian Airlines
Sun, Feb 15 - Thu, Feb 19
Multiple Airlines Logo
8:35 pm - 9:58 pm
ICN
-
SFO
18h 23m1 stop
Multiple Airlines Logo
6:18 pm - 6:35 pm
SFO
-
ICN
31h 17m1 stop
$428Multiple Airlines
Thu, Feb 5 - Tue, Feb 10
Hawaiian Airlines Logo
8:35 pm - 9:20 am
ICN
-
SFO
28h 45m1 stop
Hawaiian Airlines Logo
1:35 pm - 6:35 pm
SFO
-
ICN
37h 00m1 stop
$433Hawaiian Airlines
Fri, Mar 27 - Tue, Mar 31
Hawaiian Airlines Logo
8:35 pm - 6:07 pm
ICN
-
SFO
14h 32m1 stop
Hawaiian Airlines Logo
4:21 pm - 6:35 pm
SFO
-
ICN
33h 14m1 stop
$435Hawaiian Airlines
Sun, Feb 15 - Sat, Feb 28
Hawaiian Airlines Logo
8:35 pm - 8:12 pm
ICN
-
SFO
16h 37m1 stop
Hawaiian Airlines Logo
9:00 am - 6:35 pm
SFO
-
ICN
16h 35m1 stop
$436Hawaiian Airlines
Sun, Feb 1 - Wed, Feb 11
Multiple Airlines Logo
8:35 pm - 9:55 pm
ICN
-
SFO
18h 20m1 stop
Multiple Airlines Logo
7:28 pm - 6:35 pm
SFO
-
ICN
30h 07m1 stop
$437Multiple Airlines
Sat, Feb 21 - Sat, Feb 28
Multiple Airlines Logo
8:35 pm - 11:59 pm
ICN
-
SFO
20h 24m1 stop
Multiple Airlines Logo
8:42 am - 6:35 pm
SFO
-
ICN
16h 53m1 stop
$438Multiple Airlines
Thu, Feb 12 - Wed, Feb 25
Multiple Airlines Logo
8:35 pm - 11:03 pm
ICN
-
SFO
19h 28m1 stop
Multiple Airlines Logo
9:00 am - 6:35 pm
SFO
-
ICN
16h 35m1 stop
$444Multiple Airlines
Mon, Jan 19 - Sun, Jan 25

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
Mar 2
ICN6:55 pmIncheon Intl
34h 25m
1 stop
SFO12:20 pmSan Francisco
Mar 30
SFO7:30 amSan Francisco
16h 35m
1 stop
ICN4:05 pmIncheon Intl
$423
Find similar
Air Canada
Jan 14
ICN5:55 pmIncheon Intl
35h 25m
1 stop
SFO12:20 pmSan Francisco
Apr 5
SFO6:00 pmSan Francisco
30h 05m
1 stop
ICN4:05 pmIncheon Intl
$461
Find similar
Air Canada
Feb 24
ICN6:55 pmIncheon Intl
39h 38m
2 stops
SFO5:33 pmSan Francisco
Feb 28
SFO7:30 amSan Francisco
15h 30m
1 stop
ICN4:00 pmIncheon Intl
$468
Find similar

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
Feb 6
ICN6:00 pmIncheon Intl
10h 35m
SFO11:35 amSan Francisco
Feb 8
SFO11:45 pmSan Francisco
12h 55m
ICN5:40 amIncheon Intl
$452
Find similar
United Airlines
Feb 22
ICN12:45 pmIncheon Intl
10h 45m
SFO6:30 amSan Francisco
Feb 27
SFO10:30 amSan Francisco
12h 45m
ICN4:15 pmIncheon Intl
$453
Find similar
United Airlines
Feb 6
ICN6:00 pmIncheon Intl
10h 35m
SFO11:35 amSan Francisco
Feb 8
SFO10:30 amSan Francisco
12h 45m
ICN4:15 pmIncheon Intl
$454
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 December 28, 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 2/7

8:35 pm-5:59 pm

1 stop14h 24m

San Francisco

Thu 2/12

8:42 am-6:35 pm

1 stop16h 53m

$420

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 3/2

6:55 pm-12:20 pm

1 stop34h 25m

San Francisco

Mon 3/30

7:30 am-4:05 pm

1 stop16h 35m

$423

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 2/15

8:35 pm-6:07 pm

1 stop14h 32m

San Francisco

Thu 2/19

7:28 pm-6:35 pm

1 stop30h 07m

$427

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Thu 2/5

8:35 pm-9:58 pm

1 stop18h 23m

San Francisco

Tue 2/10

6:18 pm-6:35 pm

1 stop31h 17m

$428

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 3/27

8:35 pm-9:20 am

1 stop28h 45m

San Francisco

Tue 3/31

1:35 pm-6:35 pm

1 stop37h 00m

$433

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 2/15

8:35 pm-6:07 pm

1 stop14h 32m

San Francisco

Sat 2/28

4:21 pm-6:35 pm

1 stop33h 14m

$435

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 2/1

8:35 pm-8:12 pm

1 stop16h 37m

San Francisco

Wed 2/11

9:00 am-6:35 pm

1 stop16h 35m

$436

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sat 2/21

8:35 pm-9:55 pm

1 stop18h 20m

San Francisco

Sat 2/28

7:28 pm-6:35 pm

1 stop30h 07m

$437

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Thu 2/12

8:35 pm-11:59 pm

1 stop20h 24m

San Francisco

Wed 2/25

8:42 am-6:35 pm

1 stop16h 53m

$438

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 1/19

8:35 pm-11:03 pm

1 stop19h 28m

San Francisco

Sun 1/25

9:00 am-6:35 pm

1 stop16h 35m

$444

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 $545.

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 $674. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $776.

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 $762.

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 $669 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 $564 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 2% 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 December 2025, prices for Incheon Intl Airport to San Francisco flights are approximately 33% 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

$324

Fastest flight time

10h 20m

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 $324. The best round-trip flight deal from Incheon Intl Airport to San Francisco found on momondo in the last 72 hours is $540.
The fastest flight from Incheon Intl Airport to San Francisco takes 10h 20m
Direct flights go from Incheon Intl Airport to San Francisco every day.
There is 1 airport in San Francisco. From Incheon Intl Airport there are direct flights to 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 20m.

  • 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
10,562 reviews
Search Air Canada flights
United AirlinesPriceFrom $415Free CancellationRating
7.4
9,114 reviews
Search United Airlines flights
Korean AirPriceFrom $448Free CancellationRating
8.4
1,184 reviews
Search Korean Air flights
Asiana AirlinesPriceFrom $450Free CancellationRating
8.2
502 reviews
Search Asiana Airlines flights
AIR PREMIAPriceFrom $481Free CancellationRating
8.3
73 reviews
Search AIR PREMIA flights
DeltaPriceFrom $595Free CancellationRating
7.9
8,016 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 $448 round-trip, up to an average price of $625. 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 73 reviews) operates around 5 flights from Incheon Intl Airport to San Francisco in any given week. The average AIR PREMIA airfare for this route is around $662, with deals from around $481 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
Roseville
Hayward
Calistoga
Big Sur
Santa Clara
Walnut Creek
Berkeley
Daly City
Fremont
Half Moon Bay
Vallejo
Livermore
Salinas
Sunnyvale
Pacifica

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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