Cheap flights from the United States to Seoul from $312

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Seoul departing on 10/11. 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 the United States to Seoul

Recent round-trip flight deals from the United States to Seoul

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
Fri, Aug 22 - 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
United Airlines Logo
11:45 pm - 4:20 amSFO-ICN
12h 35mnonstop
United Airlines Logo
4:50 pm - 11:35 amICN-SFO
10h 45mnonstop
$612United Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
United Airlines Logo
10:35 am - 3:00 pmSFO-ICN
12h 25mnonstop
United Airlines Logo
11:30 am - 6:10 amICN-SFO
10h 40mnonstop
$622United Airlines
Find Deal
Thu, Sep 25 - Mon, Sep 29
Air Canada Logo
6:30 am - 5:10 pmLAX-ICN
17h 40m1 stop
Air Canada Logo
6:55 pm - 9:08 pmICN-LAX
19h 13m1 stop
$666Air Canada
Find Deal
Mon, Nov 3 - Wed, Nov 5
Air Canada Logo
6:10 pm - 5:10 pmLAX-ICN
30h 00m1 stop
Air Canada Logo
6:55 pm - 9:08 pmICN-LAX
19h 13m1 stop
$667Air Canada
Find Deal
Mon, Nov 3 - Mon, Nov 17
Korean Air Logo
7:20 am - 5:20 pmSEA-ICN
18h 00m1 stop
Korean Air Logo
7:20 pm - 1:30 pmICN-SEA
10h 10mnonstop
$791Korean Air
Find Deal
Wed, Oct 1 - Sun, Oct 12
Korean Air Logo
12:50 pm - 4:40 pmSEA-ICN
11h 50mnonstop
Korean Air Logo
7:20 pm - 1:30 pmICN-SEA
10h 10mnonstop
$793Korean Air
Find Deal
Sat, Sep 20 - Sat, Oct 18
Asiana Airlines Logo
2:30 pm - 5:55 pmSEA-ICN
11h 25mnonstop
Asiana Airlines Logo
6:20 pm - 12:30 pmICN-SEA
10h 10mnonstop
$803Asiana Airlines
Find Deal
Fri, Aug 29 - Sun, Sep 7
Asiana Airlines Logo
2:30 pm - 5:55 pmSEA-ICN
11h 25mnonstop
Asiana Airlines Logo
6:20 pm - 12:30 pmICN-SEA
10h 10mnonstop
$813Asiana Airlines
Find Deal
Fri, Aug 29 - Sat, Oct 11

Air China flights from United States to Incheon Intl Airport

Our best Air China deals on United States to Incheon Intl Airport flight tickets
Air China
Oct 18
SFO1:00 pmSan Francisco
35h 35m
1 stop
ICN4:35 pmIncheon Intl
Oct 25
ICN10:40 amIncheon Intl
15h 50m
1 stop
SFO10:30 amSan Francisco
Air China
Nov 8
SFO11:45 amSan Francisco
35h 50m
1 stop
ICN4:35 pmIncheon Intl
Dec 2
ICN1:10 pmIncheon Intl
37h 05m
1 stop
SFO9:15 amSan Francisco
Air China
Sep 2
IAD11:00 pmWashington, D.C. Dulles Intl
28h 35m
1 stop
ICN4:35 pmIncheon Intl
Oct 14
ICN1:05 pmIncheon Intl
19h 25m
1 stop
IAD7:30 pmWashington, D.C. Dulles Intl

American Airlines flights from United States to Incheon Intl Airport

Our best American Airlines deals on United States to Incheon Intl Airport flight tickets
American Airlines
Sep 10
DFW10:25 amDallas/Fort Worth
15h 05m
ICN3:30 pmIncheon Intl
Sep 20
ICN5:25 pmIncheon Intl
12h 55m
DFW4:20 pmDallas/Fort Worth
American Airlines
Aug 6
LGA7:30 amNew York LaGuardia
19h 00m
1 stop
ICN3:30 pmIncheon Intl
Aug 24
ICN5:25 pmIncheon Intl
19h 05m
1 stop
LGA11:30 pmNew York LaGuardia

momondo Fare Finder

 
Customize your flight search to find flights from United States to Incheon Intl Airport 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 July 31, 2025.
Use the filters below to find and compare flights from the United States to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 8/22

3:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Mon 9/15

6:20 pm-1:00 pm

Nonstop10h 40m

$604

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 8/22

3:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Mon 9/15

6:20 pm-1:00 pm

Nonstop10h 40m

$606

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 9/25

11:45 pm-4:20 am

Nonstop12h 35m

Incheon Intl

Mon 9/29

4:50 pm-11:35 am

Nonstop10h 45m

$612

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 9/25

10:35 am-3:00 pm

Nonstop12h 25m

Incheon Intl

Mon 9/29

11:30 am-6:10 am

Nonstop10h 40m

$622

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Mon 11/3

6:30 am-5:10 pm

1 stop17h 40m

Incheon Intl

Wed 11/5

6:55 pm-9:08 pm

1 stop19h 13m

$666

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Mon 11/3

6:10 pm-5:10 pm

1 stop30h 00m

Incheon Intl

Mon 11/17

6:55 pm-9:08 pm

1 stop19h 13m

$667

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 10/1

7:20 am-5:20 pm

1 stop18h 00m

Incheon Intl

Sun 10/12

7:20 pm-1:30 pm

Nonstop10h 10m

$791

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sat 9/20

12:50 pm-4:40 pm

Nonstop11h 50m

Incheon Intl

Sat 10/18

7:20 pm-1:30 pm

Nonstop10h 10m

$793

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Fri 8/29

2:30 pm-5:55 pm

Nonstop11h 25m

Incheon Intl

Sun 9/7

6:20 pm-12:30 pm

Nonstop10h 10m

$803

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Fri 8/29

2:30 pm-5:55 pm

Nonstop11h 25m

Incheon Intl

Sat 10/11

6:20 pm-12:30 pm

Nonstop10h 10m

$813

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 Seoul from

How to get the cheapest flight ticket from United States 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 United States is in January. Flight prices, which tend to average around $1,035, 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 January, then departing from United States during the month February is also very affordable. Most momondo users find prices during this month for around $1,077.

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

The cheapest day to depart from United States to Incheon Intl Airport is on a Wednesday when prices can be found for as low as $1,178. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,337. 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 morning is the cheapest time of day to fly from United States to Incheon Intl Airport when you can find flight prices for as low as $1,159. Flying to Incheon Intl Airport in the morning 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 afternoon when prices are $1,532 on average. Flights to Incheon Intl Airport from United States in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest United States to Incheon Intl flight route?

Fly from San Francisco to Incheon Intl for the best United States - 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 United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,517 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from United States for as low as $1,342 on momondo.

What cabin class options are available on United States to Incheon Intl flights?

There are 4 cabin classes available to choose from on United States to Incheon Intl 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 United States to Incheon Intl Airport flights?

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

Cheap United States to Incheon Intl Airport flight deals and tips

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

Best Price Found

$312

Fastest flight time

11h 20m

Direct flights

Every day
The best one-way flight to Incheon Intl Airport from United States in the past 72 hours is $312. The best round-trip flight deal from United States to Incheon Intl Airport found on momondo in the last 72 hours is $604.
The fastest flight from United States to Incheon Intl Airport takes 11h 20m
Direct flights go from United States to Incheon Intl Airport every day.

  • When did momondo last update prices for flights from United States to Incheon Intl Airport?

    Prices for flights from United States to Incheon Intl Airport refresh daily.

  • How many operators does momondo search for flights from United States to Incheon Intl Airport?

  • How old do you have to be to fly from United States 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 United States 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 United States to Incheon Intl Airport?


Best airlines flying from United States to Incheon Intl Airport

Compare and see reviews for airlines that fly from United States to Incheon Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $54Free CancellationRating
5.9
3,239 reviews
Search Frontier flights
United AirlinesPriceFrom $237Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
DeltaPriceFrom $318Free CancellationRating
8.0
7,981 reviews
Search Delta flights
XiamenAirPriceFrom $363Free CancellationRating
6.6
41 reviews
Search XiamenAir flights
Hawaiian AirlinesPriceFrom $422Free CancellationRating
7.8
2,611 reviews
Search Hawaiian Airlines flights
China AirlinesPriceFrom $528Free CancellationRating
8.3
754 reviews
Search China Airlines flights
WestJetPriceFrom $549Free CancellationRating
7.2
2,978 reviews
Search WestJet flights
Air CanadaPriceFrom $577Free CancellationRating
7.1
9,851 reviews
Search Air Canada flights
Air ChinaPriceFrom $643Free CancellationRating
7.3
93 reviews
Search Air China flights
China EasternPriceFrom $644Free CancellationRating
7.2
158 reviews
Search China Eastern flights

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 United States to Seoul?

It is quick and easy to find United States 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 United States to Seoul with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for United States to Seoul flights to just show those with flexible booking policies.

How can momondo help me find flights from United States to Seoul?

momondo helps you find the best flight between United States and Seoul 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 United States to Seoul right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of United States to Seoul flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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