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Cheap flights from the United States to Seoul from $344

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 3/19. 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

Enter your travel dates to find the best prices.
China Southern Logo
11:50 pm - 9:50 pm
LAX
-
ICN
30h 00m1 stop
China Southern Logo
9:50 am - 7:40 pm
ICN
-
LAX
25h 50m1 stop
$585China Southern
Mon, Apr 20 - Mon, May 11
China Eastern Logo
12:30 pm - 3:05 pm
LAX
-
ICN
34h 35m1 stop
China Eastern Logo
8:55 am - 10:05 am
ICN
-
LAX
17h 10m1 stop
$589China Eastern
Thu, Mar 12 - Thu, Mar 19
Air Canada Logo
5:50 am - 4:00 pm
SEA
-
ICN
17h 10m1 stop
Air Canada Logo
5:55 pm - 2:31 pm
ICN
-
SEA
13h 36m1 stop
$622Air Canada
Thu, Feb 12 - Wed, Feb 25
AIR PREMIA Logo
2:30 pm - 8:30 pm
SFO
-
ICN
13h 00mnonstop
AIR PREMIA Logo
6:55 pm - 1:30 pm
ICN
-
SFO
10h 35mnonstop
$645AIR PREMIA
Fri, Mar 6 - Wed, Mar 11
AIR PREMIA Logo
2:30 pm - 8:30 pm
SFO
-
ICN
13h 00mnonstop
AIR PREMIA Logo
6:55 pm - 1:30 pm
ICN
-
SFO
10h 35mnonstop
$646AIR PREMIA
Sun, Mar 1 - Wed, Mar 11
Air Canada Logo
10:10 am - 4:05 pm
SEA
-
ICN
13h 55m1 stop
Air Canada Logo
5:45 pm - 10:20 pm
ICN
-
SEA
20h 35m1 stop
$651Air Canada
Tue, Apr 28 - Tue, May 12
American Airlines Logo
10:12 pm - 3:55 pm
JFK
-
ICN
28h 43m2 stops
American Airlines Logo
5:25 pm - 4:59 pm
ICN
-
JFK
36h 34m1 stop
$905American Airlines
Mon, Mar 23 - Tue, Apr 21
American Airlines Logo
6:00 am - 4:45 pm
LGA
-
ICN
20h 45m1 stop
American Airlines Logo
7:15 pm - 11:34 pm
ICN
-
LGA
18h 19m1 stop
$907American Airlines
Wed, Feb 4 - Wed, Feb 11
Turkish Airlines Logo
1:20 pm - 5:40 pm
IAD
-
ICN
39h 20m1 stop
Turkish Airlines Logo
10:15 am - 11:35 am
ICN
-
IAD
38h 20m1 stop
$1,073Turkish Airlines
Sun, Apr 5 - Wed, Apr 15
Turkish Airlines Logo
9:15 pm - 9:05 am
IAD
-
ICN
21h 50m1 stop
Turkish Airlines Logo
12:10 am - 7:20 pm
ICN
-
IAD
33h 10m1 stop
$1,079Turkish Airlines
Wed, Feb 4 - Tue, Feb 10

China Southern flights from United States to Seoul

Our best China Southern deals on United States to Seoul flight tickets
China Southern
Apr 20
LAX11:50 pmLos Angeles
22h 05m
1 stop
ICN1:55 pmIncheon Intl
May 11
ICN9:50 amIncheon Intl
25h 50m
1 stop
LAX7:40 pmLos Angeles
$585
Find similar
China Southern
Mar 14
LAX11:00 pmLos Angeles
24h 15m
1 stop
ICN3:15 pmIncheon Intl
Mar 21
ICN2:50 pmIncheon Intl
20h 40m
1 stop
LAX7:30 pmLos Angeles
$599
Find similar
China Southern
Apr 20
LAX11:50 pmLos Angeles
22h 05m
1 stop
ICN1:55 pmIncheon Intl
May 18
ICN3:15 pmIncheon Intl
20h 25m
1 stop
LAX7:40 pmLos Angeles
$602
Find similar

Air Canada flights from United States to Seoul

Our best Air Canada deals on United States to Seoul flight tickets
Air Canada
Feb 12
SEA5:50 amSeattle/Tacoma Intl
17h 10m
1 stop
ICN4:00 pmIncheon Intl
Feb 25
ICN5:55 pmIncheon Intl
13h 36m
1 stop
SEA2:31 pmSeattle/Tacoma Intl
$622
Find similar
Air Canada
Apr 28
SEA10:10 amSeattle/Tacoma Intl
13h 55m
1 stop
ICN4:05 pmIncheon Intl
May 12
ICN5:45 pmIncheon Intl
16h 45m
1 stop
SEA6:30 pmSeattle/Tacoma Intl
$651
Find similar
Air Canada
Apr 28
SEA10:10 amSeattle/Tacoma Intl
13h 55m
1 stop
ICN4:05 pmIncheon Intl
May 8
ICN5:45 pmIncheon Intl
12h 35m
1 stop
SEA2:20 pmSeattle/Tacoma Intl
$665
Find similar

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 December 23, 2025.
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

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Mon 4/20

11:50 pm-9:50 pm

1 stop30h 00m

Incheon Intl

Mon 5/11

9:50 am-7:40 pm

1 stop25h 50m

$585

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Thu 3/12

12:30 pm-3:05 pm

1 stop34h 35m

Incheon Intl

Thu 3/19

8:55 am-10:05 am

1 stop17h 10m

$589

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 2/12

5:50 am-4:00 pm

1 stop17h 10m

Incheon Intl

Wed 2/25

5:55 pm-2:31 pm

1 stop13h 36m

$622

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 3/6

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Wed 3/11

6:55 pm-1:30 pm

Nonstop10h 35m

$645

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 3/1

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Wed 3/11

6:55 pm-1:30 pm

Nonstop10h 35m

$646

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Tue 4/28

10:10 am-4:05 pm

1 stop13h 55m

Incheon Intl

Tue 5/12

5:45 pm-10:20 pm

1 stop20h 35m

$651

New YorkIncheon

JFK - ICN

JFKICN

New York John F Kennedy Intl

Mon 3/23

10:12 pm-3:55 pm

2 stops28h 43m

Incheon Intl

Tue 4/21

5:25 pm-4:59 pm

1 stop36h 34m

$905

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Wed 2/4

6:00 am-4:45 pm

1 stop20h 45m

Incheon Intl

Wed 2/11

7:15 pm-11:34 pm

1 stop18h 19m

$907

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Sun 4/5

1:20 pm-5:40 pm

1 stop39h 20m

Incheon Intl

Wed 4/15

10:15 am-11:35 am

1 stop38h 20m

$1,073

Washington, D.C.Incheon

IAD - ICN

IADICN

Washington, D.C. Dulles Intl

Wed 2/4

9:15 pm-9:05 am

1 stop21h 50m

Incheon Intl

Tue 2/10

12:10 am-7:20 pm

1 stop33h 10m

$1,079

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 March is another great option to travel to Seoul, with average flight prices from United States averaging around $1,070.

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

According to our data, Wednesday is the cheapest day to fly to Seoul from United States. The lowest ticket price found for a Wednesday departure recently was $1,107. 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 $1,294.

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 $1,077 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to Seoul, so prices are often more expensive at around $1,241 per ticket.

What is the cheapest United States to Seoul flight route?

Fly from Los Angeles 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 $1,573 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 $1,379 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

$329

Fastest flight time

9h 50m

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 $329. The best round-trip flight deal from United States to Seoul found on momondo in the last 72 hours is $337.
The fastest flight from United States to Seoul takes 9h 50m
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).
Search flight deals

  • 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
WestJetPriceFrom $152Free CancellationRating
7.2
3,216 reviews
Search WestJet flights
XiamenAirPriceFrom $347Free CancellationRating
6.6
41 reviews
Search XiamenAir flights
Philippine AirlinesPriceFrom $372Free CancellationRating
7.3
943 reviews
Search Philippine Airlines flights
Hawaiian AirlinesPriceFrom $478Free CancellationRating
7.8
2,820 reviews
Search Hawaiian Airlines flights
China SouthernPriceFrom $578Free CancellationRating
7.5
123 reviews
Search China Southern flights
Air ChinaPriceFrom $599Free CancellationRating
7.2
132 reviews
Search Air China flights
China EasternPriceFrom $622Free CancellationRating
7.2
179 reviews
Search China Eastern flights
Japan AirlinesPriceFrom $630Free CancellationRating
8.3
1,660 reviews
Search Japan Airlines flights
Singapore AirlinesPriceFrom $651Free CancellationRating
8.1
1,417 reviews
Search Singapore Airlines flights
Alaska AirlinesPriceFrom $674Free CancellationRating
8.0
11,514 reviews
Search Alaska Airlines 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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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
Seoul Gimpo Intl Airport
Incheon Intl Airport