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Cheap flights from the United States to South Korea from $293

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 South Korea departing on 11/16. 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 South Korea

Recent round-trip flight deals from the United States to South Korea

Logo
10:50 am - 3:45 pmLAX-ICN
12h 55mnonstop
Logo
8:45 pm - 11:43 amICN-LAX
30h 58m2 stops
$589
Find Deal
Tue, Oct 7 - Mon, Oct 20
Logo
10:50 am - 3:45 pmLAX-ICN
12h 55mnonstop
Logo
6:20 pm - 9:26 pmICN-LAX
19h 06m1 stop
$597
Find Deal
Tue, Oct 7 - Mon, Oct 13
AIR PREMIA Logo
2:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
AIR PREMIA Logo
6:55 pm - 12:00 pmICN-SFO
10h 05mnonstop
$656AIR PREMIA
Find Deal
Mon, Nov 10 - Wed, Nov 26
AIR PREMIA Logo
3:30 pm - 8:30 pmSFO-ICN
13h 00mnonstop
AIR PREMIA Logo
6:20 pm - 1:00 pmICN-SFO
10h 40mnonstop
$695AIR PREMIA
Find Deal
Fri, Sep 19 - Sun, Oct 12
Air Canada Logo
6:35 am - 5:30 pmJFK-ICN
21h 55m1 stop
Air Canada Logo
5:45 pm - 9:47 amICN-JFK
29h 02m2 stops
$736Air Canada
Find Deal
Mon, Sep 29 - Mon, Oct 6
Air Canada Logo
6:35 am - 5:30 pmJFK-ICN
21h 55m1 stop
Air Canada Logo
7:05 pm - 9:47 amICN-JFK
27h 42m1 stop
$749Air Canada
Find Deal
Mon, Sep 29 - Mon, Oct 6
Delta Logo
3:55 pm - 11:15 amSEA-ICN
27h 20m1 stop
Delta Logo
8:05 pm - 2:20 pmICN-SEA
10h 15mnonstop
$789Delta
Find Deal
Fri, Sep 26 - Thu, Oct 30
Korean Air Logo
12:50 pm - 4:40 pmSEA-ICN
11h 50mnonstop
Korean Air Logo
9:00 pm - 9:48 amICN-SEA
28h 48m1 stop
$808Korean Air
Find Deal
Fri, Oct 3 - Fri, Oct 10
Korean Air Logo
3:45 pm - 5:00 amSEA-ICN
21h 15m1 stop
Korean Air Logo
4:40 pm - 10:40 amICN-SEA
10h 00mnonstop
$816Korean Air
Find Deal
Wed, Oct 1 - Wed, Oct 8
Delta Logo
12:15 pm - 4:30 pmSEA-ICN
12h 15mnonstop
Delta Logo
8:05 pm - 1:20 pmICN-SEA
10h 15mnonstop
$830Delta
Find Deal
Thu, Oct 23 - Mon, Nov 3

Philippine Airlines flights from United States to South Korea

Our best Philippine Airlines deals on United States to South Korea flight tickets
Philippine Airlines
Nov 8
SFO10:30 pmSan Francisco
38h 40m
1 stop
ICN6:10 amIncheon Intl
Nov 15
ICN8:35 pmIncheon Intl
39h 55m
1 stop
SFO7:30 pmSan Francisco
$649
Find similar
Philippine Airlines
Nov 5
SFO10:30 pmSan Francisco
27h 55m
1 stop
ICN7:25 pmIncheon Intl
Nov 14
ICN8:35 pmIncheon Intl
39h 55m
1 stop
SFO7:30 pmSan Francisco
$665
Find similar
Philippine Airlines
Nov 5
SFO10:30 pmSan Francisco
27h 55m
1 stop
ICN7:25 pmIncheon Intl
Nov 26
ICN7:30 amIncheon Intl
29h 00m
1 stop
SFO7:30 pmSan Francisco
$666
Find similar

United Airlines flights from United States to South Korea

Our best United Airlines deals on United States to South Korea flight tickets
United Airlines
Sep 18
SFO10:35 amSan Francisco
12h 25m
ICN3:00 pmIncheon Intl
Oct 15
ICN11:30 amIncheon Intl
10h 40m
SFO6:10 amSan Francisco
$661
Find similar
United Airlines
Oct 20
SFO11:45 pmSan Francisco
12h 35m
ICN4:20 amIncheon Intl
Nov 8
ICN12:45 pmIncheon Intl
10h 45m
SFO6:30 amSan Francisco
$662
Find similar
United Airlines
Oct 26
SFO10:30 amSan Francisco
12h 45m
ICN3:15 pmIncheon Intl
Nov 11
ICN12:45 pmIncheon Intl
10h 45m
SFO6:30 amSan Francisco
$663
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from United States to South Korea 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 September 15, 2025.
Use the filters below to find and compare flights from the United States to South Korea that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Tue 10/7

10:50 am-3:45 pm

Nonstop12h 55m

Incheon Intl

Mon 10/20

8:45 pm-11:43 am

2 stops30h 58m

$589

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Tue 10/7

10:50 am-3:45 pm

Nonstop12h 55m

Incheon Intl

Mon 10/13

6:20 pm-9:26 pm

1 stop19h 06m

$597

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 11/10

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Wed 11/26

6:55 pm-12:00 pm

Nonstop10h 05m

$656

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 9/19

3:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Sun 10/12

6:20 pm-1:00 pm

Nonstop10h 40m

$695

New YorkIncheon

JFK - ICN

JFKICN

New York John F Kennedy Intl

Mon 9/29

6:35 am-5:30 pm

1 stop21h 55m

Incheon Intl

Mon 10/6

5:45 pm-9:47 am

2 stops29h 02m

$736

New YorkIncheon

JFK - ICN

JFKICN

New York John F Kennedy Intl

Mon 9/29

6:35 am-5:30 pm

1 stop21h 55m

Incheon Intl

Mon 10/6

7:05 pm-9:47 am

1 stop27h 42m

$749

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Fri 9/26

3:55 pm-11:15 am

1 stop27h 20m

Incheon Intl

Thu 10/30

8:05 pm-2:20 pm

Nonstop10h 15m

$789

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Fri 10/3

12:50 pm-4:40 pm

Nonstop11h 50m

Incheon Intl

Fri 10/10

9:00 pm-9:48 am

1 stop28h 48m

$808

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Wed 10/1

3:45 pm-5:00 am

1 stop21h 15m

Incheon Intl

Wed 10/8

4:40 pm-10:40 am

Nonstop10h 00m

$816

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 10/23

12:15 pm-4:30 pm

Nonstop12h 15m

Incheon Intl

Mon 11/3

8:05 pm-1:20 pm

Nonstop10h 15m

$830

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 South Korea from

How to get the cheapest flight ticket from United States to South Korea

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 South Korea?

If you aren’t able to travel to South Korea during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,077.

What is the cheapest day to depart on your flight to South Korea?

On average, the least expensive day to fly to South Korea from United States is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $803. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from United States to South Korea for around $967.

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

Flying to South Korea from United States in the morning is the least expensive time of day to depart. momondo users have found prices as low as $822 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $883 on average. Flights to South Korea 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 South Korea flight route?

Fly from Los Angeles to Incheon Intl for the best United States - South Korea flight prices

How far in advance should I book a flight to South Korea?

You are more likely to see cheaper flights to South Korea from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to South Korea for around $1,556 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to South Korea from United States for as low as $1,280 on momondo.

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

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

You could potentially save up to 36% on your flight if you consider stops on a United States to South Korea flight.

Cheap United States to South Korea flight deals and tips

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

Best Price Found

$366

Fastest flight time

11h 40m

Direct flights

Every day

Airports in South Korea

1 airport
The best one-way flight to South Korea from United States in the past 72 hours is $366. The best round-trip flight deal from United States to South Korea found on momondo in the last 72 hours is $647.
The fastest flight from United States to South Korea takes 11h 40m
Direct flights go from United States to South Korea every day.
There is 1 airport near South Korea: Incheon Intl (ICN)
Search flight deals

  • When did momondo last update prices for flights from United States to South Korea?

    Prices for flights from United States to South Korea are updated daily.

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

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

    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 South Korea.

  • What documentation or ID do you need to fly to South Korea?

    The travel and health documents you'll need for your trip to South Korea 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 South Korea. 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 South Korea?

Best airlines flying from United States to South Korea

Compare and see reviews for airlines that fly from United States to South Korea with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $54Free CancellationRating
5.8
3,172 reviews
Search Frontier flights
DeltaPriceFrom $318Free CancellationRating
7.9
7,954 reviews
Search Delta flights
XiamenAirPriceFrom $362Free CancellationRating
6.6
41 reviews
Search XiamenAir flights
Hawaiian AirlinesPriceFrom $422Free CancellationRating
7.8
2,723 reviews
Search Hawaiian Airlines flights
China AirlinesPriceFrom $503Free CancellationRating
8.3
767 reviews
Search China Airlines flights
WestJetPriceFrom $549Free CancellationRating
7.2
3,091 reviews
Search WestJet flights
Air ChinaPriceFrom $599Free CancellationRating
7.2
99 reviews
Search Air China flights
China EasternPriceFrom $640Free CancellationRating
7.2
165 reviews
Search China Eastern flights
Singapore AirlinesPriceFrom $651Free CancellationRating
8.1
1,365 reviews
Search Singapore Airlines flights
Alaska AirlinesPriceFrom $675Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Why use momondo?

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

Finding the right flight to South Korea from United States is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to South Korea quick and easy, saving you time and money.

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

All flight searches from United States to South Korea on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from United States to South Korea?

momondo helps you find the best flight between United States and South Korea 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 South Korea right now. Can momondo alert me if prices change?

Price alerts on flights to South Korea from United States are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your South Korea trip

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