Cheap flights from the United States to Seoul from $307

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 12/8. 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.
XiamenAir Logo
10:45 pm - 12:20 pmLAX-ICN
20h 35m1 stop
XiamenAir Logo
1:20 pm - 7:00 pmICN-LAX
22h 40m1 stop
$563XiamenAir
Find Deal
Tue, Nov 25 - Thu, Dec 4
China Southern Logo
11:00 pm - 9:50 pmLAX-ICN
30h 50m1 stop
China Southern Logo
4:15 pm - 7:30 pmICN-LAX
19h 15m1 stop
$571China Southern
Find Deal
Sat, Mar 14 - Sat, Mar 21
China Southern Logo
11:00 pm - 1:50 pmLAX-ICN
22h 50m1 stop
China Southern Logo
2:50 pm - 7:30 pmICN-LAX
20h 40m1 stop
$572China Southern
Find Deal
Wed, Mar 18 - Wed, Mar 25
AIR PREMIA Logo
2:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
AIR PREMIA Logo
6:55 pm - 12:30 pmICN-SFO
10h 35mnonstop
$642AIR PREMIA
Find Deal
Fri, Nov 14 - Mon, Nov 24
AIR PREMIA Logo
2:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
AIR PREMIA Logo
6:55 pm - 12:30 pmICN-SFO
10h 35mnonstop
$646AIR PREMIA
Find Deal
Wed, Nov 12 - Wed, Nov 19
United Airlines Logo
10:30 am - 4:15 pmSFO-ICN
12h 45mnonstop
United Airlines Logo
6:00 pm - 11:35 amICN-SFO
10h 35mnonstop
$658United Airlines
Find Deal
Thu, Nov 13 - Fri, Nov 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
$661United Airlines
Find Deal
Wed, Nov 19 - Thu, Dec 4
Air Canada Logo
10:05 am - 5:10 pmSEA-ICN
14h 05m1 stop
Air Canada Logo
6:55 pm - 7:16 pmICN-SEA
17h 21m1 stop
$665Air Canada
Find Deal
Thu, Nov 20 - Wed, Nov 26
Air Canada Logo
10:05 am - 5:10 pmSEA-ICN
14h 05m1 stop
Air Canada Logo
5:55 pm - 7:16 pmICN-SEA
18h 21m1 stop
$668Air Canada
Find Deal
Mon, Nov 24 - Sun, Dec 7
Korean Air Logo
11:25 am - 5:35 pmDFW-ICN
15h 10mnonstop
Korean Air Logo
10:20 am - 8:00 amICN-DFW
12h 40mnonstop
$943Korean Air
Find Deal
Sat, Feb 28 - Thu, Mar 5

Air China flights from United States to Seoul

Our best Air China deals on United States to Seoul flight tickets
Air China
Nov 17
LAX10:25 pmLos Angeles
25h 10m
1 stop
ICN4:35 pmIncheon Intl
Nov 24
ICN1:10 pmIncheon Intl
22h 50m
1 stop
LAX7:00 pmLos Angeles
Air China
Nov 11
LAX8:55 pmLos Angeles
26h 40m
2 stops
ICN4:35 pmIncheon Intl
Nov 18
ICN11:10 amIncheon Intl
23h 50m
2 stops
LAX6:00 pmLos Angeles
Air China
Nov 11
LAX8:55 pmLos Angeles
26h 40m
2 stops
ICN4:35 pmIncheon Intl
Nov 17
ICN1:10 pmIncheon Intl
22h 50m
1 stop
LAX7:00 pmLos Angeles

Turkish Airlines flights from United States to Seoul

Our best Turkish Airlines deals on United States to Seoul flight tickets
Turkish Airlines
Mar 3
JFK12:20 amNew York John F Kennedy Intl
42h 45m
1 stop
ICN9:05 amIncheon Intl
Mar 25
ICN10:45 amIncheon Intl
38h 20m
1 stop
JFK12:05 pmNew York John F Kennedy Intl
Turkish Airlines
Nov 16
EWR12:25 amNewark
42h 40m
1 stop
ICN9:05 amIncheon Intl
Nov 26
ICN12:10 amIncheon Intl
36h 20m
1 stop
EWR10:30 pmNewark

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 November 6, 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

Tue 11/25

10:45 pm-12:20 pm

1 stop20h 35m

Incheon Intl

Thu 12/4

1:20 pm-7:00 pm

1 stop22h 40m

$563

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Sat 3/14

11:00 pm-9:50 pm

1 stop30h 50m

Incheon Intl

Sat 3/21

4:15 pm-7:30 pm

1 stop19h 15m

$571

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Wed 3/18

11:00 pm-1:50 pm

1 stop22h 50m

Incheon Intl

Wed 3/25

2:50 pm-7:30 pm

1 stop20h 40m

$572

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 11/14

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Mon 11/24

6:55 pm-12:30 pm

Nonstop10h 35m

$642

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 11/12

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Wed 11/19

6:55 pm-12:30 pm

Nonstop10h 35m

$646

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 11/13

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Fri 11/21

6:00 pm-11:35 am

Nonstop10h 35m

$658

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 11/19

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Thu 12/4

12:45 pm-6:30 am

Nonstop10h 45m

$661

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 11/20

10:05 am-5:10 pm

1 stop14h 05m

Incheon Intl

Wed 11/26

6:55 pm-7:16 pm

1 stop17h 21m

$665

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 11/24

10:05 am-5:10 pm

1 stop14h 05m

Incheon Intl

Sun 12/7

5:55 pm-7:16 pm

1 stop18h 21m

$668

DallasIncheon

DFW - ICN

DFWICN

Dallas/Fort Worth

Sat 2/28

11:25 am-5:35 pm

Nonstop15h 10m

Incheon Intl

Thu 3/5

10:20 am-8:00 am

Nonstop12h 40m

$943

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 $1,072.

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 $1,123. 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 $1,302.

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 $1,089 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 $1,562 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 $1,254 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?

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

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

$358

Fastest flight time

11h 55m

Direct flights

Every day

Airports in Seoul

1 airport
The best one-way flight to Seoul from United States in the past 72 hours is $358. The best round-trip flight deal from United States to Seoul found on momondo in the last 72 hours is $661.
The fastest flight from United States to Seoul takes 11h 55m
Direct flights go from United States to Seoul every day.
There is 1 airport near Seoul: 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
5.8
3,116 reviews
Search Frontier flights
XiamenAirPriceFrom $353Free CancellationRating
6.6
41 reviews
Search XiamenAir flights
Hawaiian AirlinesPriceFrom $478Free CancellationRating
7.8
2,804 reviews
Search Hawaiian Airlines flights
China AirlinesPriceFrom $540Free CancellationRating
8.3
778 reviews
Search China Airlines flights
WestJetPriceFrom $549Free CancellationRating
7.2
3,155 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
1,393 reviews
Search Singapore Airlines flights
Alaska AirlinesPriceFrom $672Free CancellationRating
8.0
11,246 reviews
Search Alaska Airlines flights
Cathay PacificPriceFrom $677Free CancellationRating
7.6
1,055 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
Sat 12/6
Sat 12/13

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