Cheap flights from the United States to Seoul from $338

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 4/14. 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 - 1:55 pm
LAX
-
ICN
22h 05m
1 stop
China Southern Logo
4:45 pm - 8:00 pm
ICN
-
LAX
19h 15m
1 stop
$607China Southern
Fri, May 1 - Wed, May 20
China Eastern Logo
12:30 pm - 11:55 am
LAX
-
ICN
31h 25m
1 stop
China Eastern Logo
4:20 pm - 10:05 am
ICN
-
LAX
33h 45m
1 stop
$655China Eastern
Fri, Sep 18 - Sun, Oct 18
United Airlines Logo
10:20 am - 3:00 pm
SFO
-
ICN
12h 40mnonstop
United Airlines Logo
11:30 am - 6:30 am
ICN
-
SFO
11h 00mnonstop
$662United Airlines
Sat, May 2 - Thu, May 21
AIR PREMIA Logo
3:30 pm - 8:10 pm
SFO
-
ICN
12h 40mnonstop
AIR PREMIA Logo
6:00 pm - 1:00 pm
ICN
-
SFO
11h 00mnonstop
$663AIR PREMIA
Sun, Apr 19 - Sun, May 17
United Airlines Logo
11:40 pm - 4:20 am
SFO
-
ICN
12h 40mnonstop
United Airlines Logo
4:50 pm - 11:35 am
ICN
-
SFO
10h 45mnonstop
$665United Airlines
Sat, Apr 4 - Fri, Apr 17
Asiana Airlines Logo
11:40 pm - 4:20 am
SFO
-
ICN
12h 40mnonstop
Asiana Airlines Logo
4:50 pm - 11:35 am
ICN
-
SFO
10h 45mnonstop
$672Asiana Airlines
Sun, Apr 12 - Wed, Apr 22
Asiana Airlines Logo
12:55 am - 5:15 am
SEA
-
ICN
12h 20mnonstop
Asiana Airlines Logo
9:00 pm - 2:55 pm
ICN
-
SEA
9h 55mnonstop
$774Asiana Airlines
Mon, Apr 20 - Tue, May 5
Air Canada Logo
10:40 am - 5:30 pm
JFK
-
ICN
17h 50m
1 stop
Air Canada Logo
6:00 pm - 9:47 pm
ICN
-
JFK
16h 47m
1 stop
$849Air Canada
Wed, Jun 10 - Wed, Jun 17
Air Canada Logo
9:00 am - 5:30 pm
JFK
-
ICN
43h 30m
2 stops
Air Canada Logo
6:00 pm - 9:47 pm
ICN
-
JFK
16h 47m
1 stop
$853Air Canada
Wed, Jun 10 - Wed, Jun 17
AIR PREMIA Logo
1:00 am - 5:15 am
EWR
-
ICN
15h 15mnonstop
AIR PREMIA Logo
9:55 pm - 10:30 pm
ICN
-
EWR
13h 35mnonstop
$896AIR PREMIA
Mon, Sep 7 - Tue, Oct 27

China Eastern flights from United States to Seoul

Our best China Eastern deals on United States to Seoul flight tickets
China Eastern
Sep 3
LAX12:30 pmLos Angeles Los Angeles
34h 20m
2 stops
ICN2:50 pmIncheon Intl
Sep 6
ICN2:30 pmIncheon Intl
35h 35m
1 stop
LAX10:05 amLos Angeles Los Angeles
$647
China Eastern
Sep 18
LAX12:30 pmLos Angeles Los Angeles
31h 25m
1 stop
ICN11:55 amIncheon Intl
Oct 18
ICN4:20 pmIncheon Intl
33h 45m
1 stop
LAX10:05 amLos Angeles Los Angeles
$655
China Eastern
Sep 18
LAX12:30 pmLos Angeles Los Angeles
35h 05m
2 stops
ICN3:35 pmIncheon Intl
Oct 18
ICN6:25 pmIncheon Intl
31h 40m
1 stop
LAX10:05 amLos Angeles Los Angeles
$656

United Airlines flights from United States to Seoul

Our best United Airlines deals on United States to Seoul flight tickets
United Airlines
Apr 24
SFO10:20 amSan Francisco
12h 40m
ICN3:00 pmIncheon Intl
May 15
ICN11:30 amIncheon Intl
10h 45m
SFO6:15 amSan Francisco
$662
United Airlines
Apr 4
SFO11:40 pmSan Francisco
12h 40m
ICN4:20 amIncheon Intl
Apr 17
ICN4:50 pmIncheon Intl
10h 45m
SFO11:35 amSan Francisco
$665
United Airlines
Apr 12
SFO11:40 pmSan Francisco
12h 40m
ICN4:20 amIncheon Intl
Apr 28
ICN4:50 pmIncheon Intl
10h 45m
SFO11:35 amSan Francisco
$666

momondo Fare Finder

 
Customize your flight search to find flights from United States to Seoul 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 March 22, 2026.
Use the filters below to find and compare flights from the United States to Seoul that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles Los Angeles

Fri 5/1

11:50 pm-1:55 pm

1 stop22h 05m

Incheon Intl

Wed 5/20

4:45 pm-8:00 pm

1 stop19h 15m

$607

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles Los Angeles

Fri 9/18

12:30 pm-11:55 am

1 stop31h 25m

Incheon Intl

Sun 10/18

4:20 pm-10:05 am

1 stop33h 45m

$655

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 5/2

10:20 am-3:00 pm

Nonstop12h 40m

Incheon Intl

Thu 5/21

11:30 am-6:30 am

Nonstop11h 00m

$662

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 4/19

3:30 pm-8:10 pm

Nonstop12h 40m

Incheon Intl

Sun 5/17

6:00 pm-1:00 pm

Nonstop11h 00m

$663

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 4/4

11:40 pm-4:20 am

Nonstop12h 40m

Incheon Intl

Fri 4/17

4:50 pm-11:35 am

Nonstop10h 45m

$665

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 4/12

11:40 pm-4:20 am

Nonstop12h 40m

Incheon Intl

Wed 4/22

4:50 pm-11:35 am

Nonstop10h 45m

$672
Quickest round-trip

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 4/20

12:55 am-5:15 am

Nonstop12h 20m

Incheon Intl

Tue 5/5

9:00 pm-2:55 pm

Nonstop9h 55m

$774

New YorkIncheon

JFK - ICN

JFKICN

New York John F Kennedy Intl

Wed 6/10

10:40 am-5:30 pm

1 stop17h 50m

Incheon Intl

Wed 6/17

6:00 pm-9:47 pm

1 stop16h 47m

$849

New YorkIncheon

JFK - ICN

JFKICN

New York John F Kennedy Intl

Wed 6/10

9:00 am-5:30 pm

2 stops43h 30m

Incheon Intl

Wed 6/17

6:00 pm-9:47 pm

1 stop16h 47m

$853

NewarkIncheon

EWR - ICN

EWRICN

Newark

Mon 9/7

1:00 am-5:15 am

Nonstop15h 15m

Incheon Intl

Tue 10/27

9:55 pm-10:30 pm

Nonstop13h 35m

$896

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 Seoul

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 Seoul?

The month of January is another great option to travel to Seoul, with average flight prices from United States averaging around $976.

What is the cheapest day to depart on your flight to Seoul?

According to our data, Tuesday is the cheapest day to fly to Seoul from United States. The lowest ticket price found for a Tuesday departure recently was $1,041. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Seoul is Saturday, with ticket prices averaging around $1,193.

What is the cheapest time of day to depart on your flight to Seoul?

Flying to Seoul from United States in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,055 when looking at flights departing in the morning. In the evening is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,109 per ticket.

What is the cheapest United States to Seoul flight route?

Fly from Newark to Incheon Intl for the best United States - Seoul flight prices

How far in advance should I book a flight to Seoul?

You are more likely to see cheaper flights to Seoul from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Seoul 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 Seoul from United States for as low as $1,280 on momondo.

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

There are 4 cabin classes available to choose from on United States to Seoul 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 Seoul flights?

No. A direct flight is the cheapest option for a flight between United States to Seoul.

Cheap United States to Seoul flight deals and tips

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

Best Price Found

$295

Fastest flight time

9h 35m

Direct flights

Every day

Airports in Seoul

2 airports
The best one-way flight to Seoul from United States in the past 72 hours is $295. The best round-trip flight deal from United States to Seoul found on momondo in the last 72 hours is $540.
The fastest flight from United States to Seoul takes 9h 35m
Direct flights go from United States to Seoul every day.
There are 2 airports in Seoul. From United States there are direct flights to Incheon Intl (ICN).
  • When did momondo last update prices for flights from United States to Seoul?

    Prices for flights from United States to Seoul are refreshed on a daily basis.

  • How many operators does momondo search for flights from United States to Seoul?

  • How old do you have to be to fly from United States to Seoul?

    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 Seoul.

  • What documentation or ID do you need to fly to Seoul?

    The travel and health documents you'll need for your trip to Seoul may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seoul. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from United States to Seoul?

Best airlines flying from United States to Seoul

Compare and see reviews for airlines that fly from United States to Seoul with momondo
Airline
Rating
Free Cancellation
Price
Philippine AirlinesPriceFrom $132Free CancellationRating
7.3
970 reviews
Search Philippine Airlines flights
WestJetPriceFrom $165Free CancellationRating
7.2
3,300 reviews
Search WestJet flights
XiamenAirPriceFrom $346Free CancellationRating
6.6
42 reviews
Search XiamenAir flights
DeltaPriceFrom $357Free CancellationRating
7.9
8,315 reviews
Search Delta flights
Air CanadaPriceFrom $365Free CancellationRating
7.1
10,828 reviews
Search Air Canada flights
China SouthernPriceFrom $440Free CancellationRating
7.4
145 reviews
Search China Southern flights
Turkish AirlinesPriceFrom $498Free CancellationRating
7.3
4,266 reviews
Search Turkish Airlines flights
Air ChinaPriceFrom $592Free CancellationRating
7.3
142 reviews
Search Air China flights
Japan AirlinesPriceFrom $630Free CancellationRating
8.3
1,742 reviews
Search Japan Airlines flights
Cathay PacificPriceFrom $640Free CancellationRating
7.6
1,221 reviews
Search Cathay Pacific flights

Why use momondo?

Why should I use momondo to find a flight deal from United States to Seoul?

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 Seoul from United States.

Can I find flights from United States to Seoul with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seoul from United States with this policy.

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?

If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from United States and alert you when they change.

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1 adult
Tue 4/21
Tue 4/28

Find better results for your trip to South Korea

Fly into one of these airports located in Seoul

Airports listed have a maximum distance of 30.3 mi from Seoul