Cheap flights from the United States to Seoul from $297

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 1/13. 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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Recent round-trip flight deals from the United States to Seoul

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XiamenAir Logo
10:45 pm - 12:20 pmLAX-ICN
20h 35m1 stop
XiamenAir Logo
1:20 pm - 7:00 pmICN-LAX
22h 40m1 stop
$567XiamenAir
Find Deal
Tue, Dec 2 - Thu, Dec 11
XiamenAir Logo
10:45 pm - 12:20 pmLAX-ICN
20h 35m1 stop
XiamenAir Logo
1:20 pm - 7:00 pmICN-LAX
22h 40m1 stop
$570XiamenAir
Find Deal
Sun, Nov 23 - Thu, Dec 11
AIR PREMIA Logo
2:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
AIR PREMIA Logo
6:55 pm - 12:30 pmICN-SFO
10h 35mnonstop
$649AIR PREMIA
Find Deal
Sun, Nov 30 - Mon, Dec 22
AIR PREMIA Logo
2:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
AIR PREMIA Logo
6:55 pm - 12:30 pmICN-SFO
10h 35mnonstop
$655AIR PREMIA
Find Deal
Mon, Dec 1 - Sun, Dec 21
United Airlines Logo
10:30 am - 4:15 pmSFO-ICN
12h 45mnonstop
United Airlines Logo
12:45 pm - 6:30 amICN-SFO
10h 45mnonstop
$657United Airlines
Find Deal
Sun, Jan 18 - Sun, Jan 25
United Airlines Logo
10:30 am - 4:15 pmSFO-ICN
12h 45mnonstop
United Airlines Logo
6:00 pm - 11:35 amICN-SFO
10h 35mnonstop
$659United Airlines
Find Deal
Fri, Nov 7 - Fri, Nov 21
Air Canada Logo
5:50 am - 5:10 pmSEA-ICN
18h 20m1 stop
Air Canada Logo
6:55 pm - 7:16 pmICN-SEA
17h 21m1 stop
$762Air Canada
Find Deal
Mon, Nov 17 - Thu, Nov 27
Air Canada Logo
10:05 am - 5:10 pmSEA-ICN
14h 05m1 stop
Air Canada Logo
6:55 pm - 2:31 pmICN-SEA
12h 36m1 stop
$772Air Canada
Find Deal
Thu, Nov 13 - Wed, Nov 19
Asiana Airlines Logo
12:10 am - 5:20 amSEA-ICN
12h 10mnonstop
Asiana Airlines Logo
9:00 pm - 1:55 pmICN-SEA
9h 55mnonstop
$797Asiana Airlines
Find Deal
Tue, Nov 25 - Sat, Dec 6
Asiana Airlines Logo
12:10 am - 5:20 amSEA-ICN
12h 10mnonstop
Asiana Airlines Logo
9:00 pm - 1:55 pmICN-SEA
9h 55mnonstop
$800Asiana Airlines
Find Deal
Mon, Dec 1 - Tue, Dec 9

AIR PREMIA flights from United States to Incheon Intl Airport

Our best AIR PREMIA deals on United States to Incheon Intl Airport flight tickets
AIR PREMIA
Nov 30
SFO2:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
Dec 22
ICN6:55 pmIncheon Intl
10h 35m
SFO12:30 pmSan Francisco
AIR PREMIA
Dec 1
SFO2:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
Dec 21
ICN6:55 pmIncheon Intl
10h 35m
SFO12:30 pmSan Francisco
AIR PREMIA
Jan 16
SFO2:30 pmSan Francisco
13h 00m
ICN8:30 pmIncheon Intl
Feb 22
ICN6:55 pmIncheon Intl
10h 35m
SFO12:30 pmSan Francisco

United Airlines flights from United States to Incheon Intl Airport

Our best United Airlines deals on United States to Incheon Intl Airport flight tickets
United Airlines
Jan 18
SFO10:30 amSan Francisco
12h 45m
ICN4:15 pmIncheon Intl
Jan 25
ICN12:45 pmIncheon Intl
10h 45m
SFO6:30 amSan Francisco
United Airlines
Nov 7
SFO10:30 amSan Francisco
12h 45m
ICN4:15 pmIncheon Intl
Nov 21
ICN6:00 pmIncheon Intl
10h 35m
SFO11:35 amSan Francisco
United Airlines
Dec 2
SFO10:30 amSan Francisco
12h 45m
ICN4:15 pmIncheon Intl
Dec 21
ICN6:00 pmIncheon Intl
10h 35m
SFO11:35 amSan Francisco

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 November 3, 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

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Tue 12/2

10:45 pm-12:20 pm

1 stop20h 35m

Incheon Intl

Thu 12/11

1:20 pm-7:00 pm

1 stop22h 40m

$567

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Sun 11/23

10:45 pm-12:20 pm

1 stop20h 35m

Incheon Intl

Thu 12/11

1:20 pm-7:00 pm

1 stop22h 40m

$570

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 11/30

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Mon 12/22

6:55 pm-12:30 pm

Nonstop10h 35m

$649

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 12/1

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Sun 12/21

6:55 pm-12:30 pm

Nonstop10h 35m

$655

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 1/18

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Sun 1/25

12:45 pm-6:30 am

Nonstop10h 45m

$657

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 11/7

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Fri 11/21

6:00 pm-11:35 am

Nonstop10h 35m

$659

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 11/17

5:50 am-5:10 pm

1 stop18h 20m

Incheon Intl

Thu 11/27

6:55 pm-7:16 pm

1 stop17h 21m

$762

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 11/13

10:05 am-5:10 pm

1 stop14h 05m

Incheon Intl

Wed 11/19

6:55 pm-2:31 pm

1 stop12h 36m

$772

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Tue 11/25

12:10 am-5:20 am

Nonstop12h 10m

Incheon Intl

Sat 12/6

9:00 pm-1:55 pm

Nonstop9h 55m

$797

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 12/1

12:10 am-5:20 am

Nonstop12h 10m

Incheon Intl

Tue 12/9

9:00 pm-1:55 pm

Nonstop9h 55m

$800

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $1,047, 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 March 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 $1,123. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,303. 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 $1,091. 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 Los Angeles 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 $1,562 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 $1,254 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?

You could potentially save up to 2% on your flight if you consider stops on a United States to Incheon Intl Airport flight.

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

$358

Fastest flight time

11h 50m

Direct flights

Every day
The best one-way flight to Incheon Intl Airport from United States in the past 72 hours is $358. The best round-trip flight deal from United States to Incheon Intl Airport found on momondo in the last 72 hours is $661.
The fastest flight from United States to Incheon Intl Airport takes 11h 50m
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
5.8
3,117 reviews
Search Frontier flights
DeltaPriceFrom $276Free CancellationRating
7.9
8,001 reviews
Search Delta flights
XiamenAirPriceFrom $353Free CancellationRating
6.6
41 reviews
Search XiamenAir flights
Air CanadaPriceFrom $434Free CancellationRating
7.1
10,395 reviews
Search Air Canada flights
Hawaiian AirlinesPriceFrom $478Free CancellationRating
7.8
2,799 reviews
Search Hawaiian Airlines flights
China AirlinesPriceFrom $540Free CancellationRating
8.3
776 reviews
Search China Airlines flights
WestJetPriceFrom $549Free CancellationRating
7.2
3,153 reviews
Search WestJet flights
Air ChinaPriceFrom $592Free CancellationRating
7.1
122 reviews
Search Air China flights
China EasternPriceFrom $622Free CancellationRating
7.2
174 reviews
Search China Eastern flights
Singapore AirlinesPriceFrom $651Free CancellationRating
8.1
1,391 reviews
Search Singapore Airlines 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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Wed 12/3
Wed 12/10

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