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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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 - 3:25 pm
LAX
-
ICN
23h 35m
1 stop
China Southern Logo
3:15 pm - 7:40 pm
ICN
-
LAX
20h 25m
1 stop
$585China Southern
Wed, Apr 22 - Wed, May 20
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
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
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
$671United Airlines
Wed, Apr 8 - Wed, Apr 15
Cathay Pacific Logo
11:45 am - 7:05 pm
SEA
-
ICN
39h 20m
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 - 10:25 pm
SEA
-
ICN
18h 40m
1 stop
Cathay Pacific Logo
1:55 am - 10:05 am
ICN
-
SEA
24h 10m
1 stop
$692Cathay Pacific
Wed, Apr 15 - Sun, Apr 19
Turkish Airlines Logo
11:50 am - 9:05 am
ORD
-
ICN
30h 15m
1 stop
Turkish Airlines Logo
10:45 am - 7:25 pm
ICN
-
ORD
46h 40m
1 stop
$818Turkish Airlines
Mon, Mar 2 - Wed, Mar 18
Turkish Airlines Logo
8:20 pm - 9:05 am
ORD
-
ICN
21h 45m
1 stop
Turkish Airlines Logo
10:45 am - 7:25 pm
ICN
-
ORD
46h 40m
1 stop
$819Turkish Airlines
Mon, Mar 2 - Wed, Mar 11
EVA Air Logo
11:50 am - 12:50 pm
LAX
-
GMP
33h 00m
1 stop
EVA Air Logo
8:20 pm - 7:10 am
GMP
-
LAX
26h 50m
1 stop
$862EVA Air
Wed, May 13 - Wed, May 27
EVA Air Logo
10:40 am - 12:50 pm
LAX
-
GMP
33h 10m
1 stop
EVA Air Logo
8:15 pm - 7:00 am
GMP
-
LAX
26h 45m
1 stop
$863EVA Air
Wed, Feb 25 - Wed, Mar 18

XiamenAir flights from United States to Seoul

Our best XiamenAir deals on United States to Seoul flight tickets
XiamenAir
Apr 12
LAX11:55 pmLos Angeles
20h 35m
1 stop
ICN12:30 pmIncheon Intl
Apr 21
ICN1:30 pmIncheon Intl
22h 30m
1 stop
LAX8:00 pmLos Angeles
$640
XiamenAir
Apr 12
LAX11:55 pmLos Angeles
20h 35m
1 stop
ICN12:30 pmIncheon Intl
Apr 16
ICN1:30 pmIncheon Intl
22h 30m
1 stop
LAX8:00 pmLos Angeles
$643
XiamenAir
Apr 14
LAX11:55 pmLos Angeles
20h 35m
1 stop
ICN12:30 pmIncheon Intl
Apr 23
ICN1:30 pmIncheon Intl
22h 30m
1 stop
LAX8:00 pmLos Angeles
$656

China Southern flights from United States to Seoul

Our best China Southern deals on United States to Seoul flight tickets
China Southern
Apr 22
LAX11:50 pmLos Angeles
23h 35m
1 stop
ICN3:25 pmIncheon Intl
May 20
ICN3:15 pmIncheon Intl
20h 25m
1 stop
LAX7:40 pmLos Angeles
$585
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 20
LAX11:50 pmLos Angeles
22h 05m
1 stop
ICN1:55 pmIncheon Intl
May 23
ICN3:15 pmIncheon Intl
20h 25m
1 stop
LAX7:40 pmLos Angeles
$614

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 February 8, 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

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Wed 4/22

11:50 pm-3:25 pm

1 stop23h 35m

Incheon Intl

Wed 5/20

3:15 pm-7:40 pm

1 stop20h 25m

$585

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

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

Wed 4/8

10:20 am-3:00 pm

Nonstop12h 40m

Incheon Intl

Wed 4/15

11:30 am-6:15 am

Nonstop10h 45m

$671

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 4/13

11:45 am-7:05 pm

1 stop39h 20m

Incheon Intl

Sun 4/19

1:40 pm-10:05 am

1 stop36h 25m

$690

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 4/15

11:45 am-10:25 pm

1 stop18h 40m

Incheon Intl

Sun 4/19

1:55 am-10:05 am

1 stop24h 10m

$692

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 3/2

11:50 am-9:05 am

1 stop30h 15m

Incheon Intl

Wed 3/18

10:45 am-7:25 pm

1 stop46h 40m

$818

ChicagoIncheon

ORD - ICN

ORDICN

Chicago O'Hare Intl

Mon 3/2

8:20 pm-9:05 am

1 stop21h 45m

Incheon Intl

Wed 3/11

10:45 am-7:25 pm

1 stop46h 40m

$819

Los AngelesSeoul

LAX - GMP

LAXGMP

Los Angeles

Wed 5/13

11:50 am-12:50 pm

1 stop33h 00m

Seoul Gimpo Intl

Wed 5/27

8:20 pm-7:10 am

1 stop26h 50m

$862

Los AngelesSeoul

LAX - GMP

LAXGMP

Los Angeles

Wed 2/25

10:40 am-12:50 pm

1 stop33h 10m

Seoul Gimpo Intl

Wed 3/18

8:15 pm-7:00 am

1 stop26h 45m

$863

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 $983.

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 $1,072. 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 $1,236.

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 $1,060 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 $1,157 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 $1,562 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 $1,377 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

$324

Fastest flight time

9h 40m

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 $324. The best round-trip flight deal from United States to Seoul found on momondo in the last 72 hours is $558.
The fastest flight from United States to Seoul takes 9h 40m
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
FrontierPriceFrom $54Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
Philippine AirlinesPriceFrom $144Free CancellationRating
7.2
953 reviews
Search Philippine Airlines flights
WestJetPriceFrom $165Free CancellationRating
7.2
3,256 reviews
Search WestJet flights
DeltaPriceFrom $256Free CancellationRating
7.9
8,173 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
1,702 reviews
Search Japan 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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1 adult
Tue 3/10
Tue 3/17

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