Cheap flights from the United States to Seoul from $320

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 3/1. 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

Enter your travel dates to find the best prices.
China Southern Logo
11:50 pm - 9:50 pm
LAX
-
ICN
30h 00m
1 stop
China Southern Logo
4:45 pm - 7:40 pm
ICN
-
LAX
18h 55m
1 stop
$611China Southern
Mon, Apr 20 - Sat, May 23
China Southern Logo
11:50 pm - 3:25 pm
LAX
-
ICN
23h 35m
1 stop
China Southern Logo
4:45 pm - 7:40 pm
ICN
-
LAX
18h 55m
1 stop
$618China Southern
Sat, Apr 18 - Mon, May 18
China Southern Logo
11:50 pm - 1:55 pm
LAX
-
ICN
22h 05m
1 stop
China Southern Logo
4:45 pm - 7:40 pm
ICN
-
LAX
18h 55m
1 stop
$623China Southern
Wed, May 6 - Wed, May 27
XiamenAir Logo
11:55 pm - 12:30 pm
LAX
-
ICN
20h 35m
1 stop
XiamenAir Logo
1:30 pm - 8:00 pm
ICN
-
LAX
22h 30m
1 stop
$640XiamenAir
Sun, Apr 12 - Tue, Apr 21
United Airlines Logo
10:20 am - 3:00 pm
SFO
-
ICN
12h 40mnonstop
United Airlines Logo
11:30 am - 6:15 am
ICN
-
SFO
10h 45mnonstop
$662United Airlines
Fri, May 1 - Mon, May 18
AIR PREMIA Logo
2:30 pm - 8:30 pm
SFO
-
ICN
13h 00mnonstop
AIR PREMIA Logo
6:20 pm - 1:00 pm
ICN
-
SFO
10h 40mnonstop
$667AIR PREMIA
Mon, Mar 2 - Sun, May 3
Cathay Pacific Logo
11:45 am - 12:25 am
SEA
-
ICN
20h 40m
1 stop
Cathay Pacific Logo
1:40 pm - 10:05 am
ICN
-
SEA
36h 25m
1 stop
$690Cathay Pacific
Mon, Apr 13 - Sun, Apr 19
Cathay Pacific Logo
11:45 am - 12:25 am
SEA
-
ICN
20h 40m
1 stop
Cathay Pacific Logo
3:10 pm - 10:05 am
ICN
-
SEA
34h 55m
1 stop
$692Cathay Pacific
Thu, May 7 - Wed, May 13
Air Canada Logo
6:45 pm - 4:00 pm
LGA
-
ICN
31h 15m
2 stops
Air Canada Logo
6:55 pm - 9:53 am
ICN
-
LGA
28h 58m
2 stops
$919Air Canada
Wed, Feb 11 - Mon, Feb 16
Air Canada Logo
6:05 am - 6:25 pm
LGA
-
ICN
22h 20m
1 stop
Air Canada Logo
6:55 pm - 9:53 am
ICN
-
LGA
28h 58m
2 stops
$923Air Canada
Wed, Feb 11 - Mon, Feb 16

China Southern flights from United States to Incheon Intl Airport

Our best China Southern deals on United States to Incheon Intl Airport flight tickets
China Southern
Apr 20
LAX11:50 pmLos Angeles
30h 00m
1 stop
ICN9:50 pmIncheon Intl
May 23
ICN4:45 pmIncheon Intl
18h 55m
1 stop
LAX7:40 pmLos Angeles
$611
China Southern
Apr 18
LAX11:50 pmLos Angeles
23h 35m
1 stop
ICN3:25 pmIncheon Intl
May 18
ICN4:45 pmIncheon Intl
18h 55m
1 stop
LAX7:40 pmLos Angeles
$618
China Southern
May 6
LAX11:50 pmLos Angeles
22h 05m
1 stop
ICN1:55 pmIncheon Intl
May 27
ICN4:45 pmIncheon Intl
18h 55m
1 stop
LAX7:40 pmLos Angeles
$623

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
May 1
SFO10:20 amSan Francisco
12h 40m
ICN3:00 pmIncheon Intl
May 30
ICN11:30 amIncheon Intl
11h 00m
SFO6:30 amSan Francisco
$662
United Airlines
Feb 9
SFO11:45 pmSan Francisco
12h 55m
ICN5:40 amIncheon Intl
Feb 25
ICN12:45 pmIncheon Intl
10h 45m
SFO6:30 amSan Francisco
$663
United Airlines
Feb 24
SFO10:30 amSan Francisco
12h 45m
ICN4:15 pmIncheon Intl
Mar 12
ICN5:00 pmIncheon Intl
10h 35m
SFO11:35 amSan Francisco
$712

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 February 7, 2026.
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

Mon 4/20

11:50 pm-9:50 pm

1 stop30h 00m

Incheon Intl

Sat 5/23

4:45 pm-7:40 pm

1 stop18h 55m

$611

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Sat 4/18

11:50 pm-3:25 pm

1 stop23h 35m

Incheon Intl

Mon 5/18

4:45 pm-7:40 pm

1 stop18h 55m

$618

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Wed 5/6

11:50 pm-1:55 pm

1 stop22h 05m

Incheon Intl

Wed 5/27

4:45 pm-7:40 pm

1 stop18h 55m

$623

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Sun 4/12

11:55 pm-12:30 pm

1 stop20h 35m

Incheon Intl

Tue 4/21

1:30 pm-8:00 pm

1 stop22h 30m

$640

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 5/1

10:20 am-3:00 pm

Nonstop12h 40m

Incheon Intl

Mon 5/18

11:30 am-6:15 am

Nonstop10h 45m

$662

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 3/2

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Sun 5/3

6:20 pm-1:00 pm

Nonstop10h 40m

$667

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 4/13

11:45 am-12:25 am

1 stop20h 40m

Incheon Intl

Sun 4/19

1:40 pm-10:05 am

1 stop36h 25m

$690

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 5/7

11:45 am-12:25 am

1 stop20h 40m

Incheon Intl

Wed 5/13

3:10 pm-10:05 am

1 stop34h 55m

$692

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Wed 2/11

6:45 pm-4:00 pm

2 stops31h 15m

Incheon Intl

Mon 2/16

6:55 pm-9:53 am

2 stops28h 58m

$919

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Wed 2/11

6:05 am-6:25 pm

1 stop22h 20m

Incheon Intl

Mon 2/16

6:55 pm-9:53 am

2 stops28h 58m

$923

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 $994, 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 $1,021.

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 Tuesday when prices can be found for as low as $1,072. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,237. 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 $1,060. 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 evening when prices are $1,158 on average. Flights to Incheon Intl Airport from United States in the evening 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 $1,377 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

$324

Fastest flight time

9h 40m

Direct flights

Every day
The best one-way flight to Incheon Intl Airport from United States in the past 72 hours is $324. The best round-trip flight deal from United States to Incheon Intl Airport found on momondo in the last 72 hours is $558.
The fastest flight from United States to Incheon Intl Airport takes 9h 40m
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
5.7
3,053 reviews
Search Frontier flights
Philippine AirlinesPriceFrom $144Free CancellationRating
7.2
953 reviews
Search Philippine Airlines flights
WestJetPriceFrom $165Free CancellationRating
7.2
3,255 reviews
Search WestJet flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,166 reviews
Search Delta flights
XiamenAirPriceFrom $346Free CancellationRating
6.6
42 reviews
Search XiamenAir flights
China SouthernPriceFrom $440Free CancellationRating
7.3
137 reviews
Search China Southern flights
Turkish AirlinesPriceFrom $500Free CancellationRating
7.3
4,207 reviews
Search Turkish Airlines flights
Hawaiian AirlinesPriceFrom $501Free CancellationRating
7.8
2,829 reviews
Search Hawaiian Airlines flights
Air ChinaPriceFrom $592Free CancellationRating
7.2
138 reviews
Search Air China flights
Japan AirlinesPriceFrom $630Free CancellationRating
8.3
1,701 reviews
Search Japan Airlines flights

Traveling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Suwon
Daejeon
Seongnam
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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Mon 3/9
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