Cheap flights from South Korea to the United States from $280

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from South Korea to the United States departing on 11/26. 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 South Korea to the United States

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

Enter your travel dates to find the best prices.
Hawaiian Airlines Logo
8:35 pm - 2:30 pmICN-SEA
9h 55mnonstop
Hawaiian Airlines Logo
2:40 pm - 6:35 pmSEA-ICN
11h 55mnonstop
$349Hawaiian Airlines
Find Deal
Mon, Mar 9 - Wed, Mar 18
Hawaiian Airlines Logo
8:35 pm - 1:45 pmICN-SEA
10h 10mnonstop
Hawaiian Airlines Logo
1:40 pm - 6:35 pmSEA-ICN
11h 55mnonstop
$350Hawaiian Airlines
Find Deal
Thu, Dec 25 - Thu, Jan 1
AIR PREMIA Logo
10:50 pm - 12:10 pmICN-HNL
8h 20mnonstop
AIR PREMIA Logo
2:20 pm - 8:20 pmHNL-ICN
11h 00mnonstop
$405AIR PREMIA
Find Deal
Wed, Nov 12 - Mon, Nov 17
AIR PREMIA Logo
10:50 pm - 12:10 pmICN-HNL
8h 20mnonstop
AIR PREMIA Logo
2:20 pm - 8:20 pmHNL-ICN
11h 00mnonstop
$407AIR PREMIA
Find Deal
Sun, Nov 9 - Sun, Nov 16
Asiana Airlines Logo
9:00 pm - 1:55 pmICN-SEA
9h 55mnonstop
Asiana Airlines Logo
12:10 am - 5:20 amSEA-ICN
12h 10mnonstop
$497Asiana Airlines
Find Deal
Thu, Dec 25 - Mon, Jan 12
Asiana Airlines Logo
9:00 pm - 1:55 pmICN-SEA
9h 55mnonstop
Asiana Airlines Logo
12:10 am - 5:20 amSEA-ICN
12h 10mnonstop
$505Asiana Airlines
Find Deal
Thu, Dec 25 - Sun, Jan 4
Korean Air Logo
8:05 pm - 1:20 pmICN-SEA
10h 15mnonstop
Korean Air Logo
11:00 am - 3:55 pmSEA-ICN
11h 55mnonstop
$568Korean Air
Find Deal
Thu, Nov 27 - Sat, Feb 28
Korean Air Logo
4:10 pm - 9:00 amICN-SEA
9h 50mnonstop
Korean Air Logo
11:25 am - 4:30 pmSEA-ICN
12h 05mnonstop
$573Korean Air
Find Deal
Thu, Dec 25 - Tue, Jan 13
Delta Logo
7:30 pm - 10:58 pmICN-DFW
18h 28m1 stop
Delta Logo
6:50 am - 3:30 pmDFW-ICN
17h 40m1 stop
$731Delta
Find Deal
Thu, Nov 13 - Tue, Nov 18
Delta Logo
8:05 pm - 11:54 pmICN-DFW
42h 49m1 stop
Delta Logo
7:00 am - 3:30 pmDFW-ICN
17h 30m1 stop
$759Delta
Find Deal
Mon, Nov 17 - Tue, Feb 10

Alaska Airlines flights from South Korea to United States

Our best Alaska Airlines deals on South Korea to United States flight tickets
Alaska Airlines
Oct 31
ICN9:25 pmIncheon Intl
8h 30m
HNL10:55 amHonolulu
Nov 2
HNL2:10 pmHonolulu
10h 15m
ICN7:25 pmIncheon Intl
Alaska Airlines
Oct 31
ICN8:35 pmIncheon Intl
18h 28m
1 stop
HNL8:03 pmHonolulu
Nov 2
HNL2:10 pmHonolulu
10h 15m
ICN7:25 pmIncheon Intl
Alaska Airlines
Nov 2
ICN9:25 pmIncheon Intl
8h 30m
HNL10:55 amHonolulu
Nov 11
HNL2:10 pmHonolulu
10h 15m
ICN7:25 pmIncheon Intl

Air Canada flights from South Korea to United States

Our best Air Canada deals on South Korea to United States flight tickets
Air Canada
Nov 11
ICN6:55 pmIncheon Intl
34h 51m
2 stops
IAD3:46 pmWashington, D.C. Dulles Intl
Nov 18
IAD4:30 pmWashington, D.C. Dulles Intl
34h 40m
2 stops
ICN5:10 pmIncheon Intl
Air Canada
Nov 13
ICN8:10 pmIncheon Intl
38h 16m
1 stop
IAD8:26 pmWashington, D.C. Dulles Intl
Nov 26
IAD9:00 amWashington, D.C. Dulles Intl
42h 10m
2 stops
ICN5:10 pmIncheon Intl
Air Canada
Nov 22
ICN8:10 pmIncheon Intl
33h 36m
1 stop
IAD3:46 pmWashington, D.C. Dulles Intl
Nov 29
IAD4:30 pmWashington, D.C. Dulles Intl
34h 40m
2 stops
ICN5:10 pmIncheon Intl

momondo Fare Finder

 
Customize your flight search to find flights from South Korea to United States 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 October 30, 2025.
Use the filters below to find and compare flights from South Korea to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Mon 3/9

8:35 pm-2:30 pm

Nonstop9h 55m

Seattle/Tacoma Intl

Wed 3/18

2:40 pm-6:35 pm

Nonstop11h 55m

$349

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Thu 12/25

8:35 pm-1:45 pm

Nonstop10h 10m

Seattle/Tacoma Intl

Thu 1/1

1:40 pm-6:35 pm

Nonstop11h 55m

$350

IncheonHonolulu

ICN - HNL

ICNHNL

Incheon Intl

Wed 11/12

10:50 pm-12:10 pm

Nonstop8h 20m

Honolulu

Mon 11/17

2:20 pm-8:20 pm

Nonstop11h 00m

$405

IncheonHonolulu

ICN - HNL

ICNHNL

Incheon Intl

Sun 11/9

10:50 pm-12:10 pm

Nonstop8h 20m

Honolulu

Sun 11/16

2:20 pm-8:20 pm

Nonstop11h 00m

$407

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Thu 12/25

9:00 pm-1:55 pm

Nonstop9h 55m

Seattle/Tacoma Intl

Mon 1/12

12:10 am-5:20 am

Nonstop12h 10m

$497

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Thu 12/25

9:00 pm-1:55 pm

Nonstop9h 55m

Seattle/Tacoma Intl

Sun 1/4

12:10 am-5:20 am

Nonstop12h 10m

$505

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Thu 11/27

8:05 pm-1:20 pm

Nonstop10h 15m

Seattle/Tacoma Intl

Sat 2/28

11:00 am-3:55 pm

Nonstop11h 55m

$568

IncheonSeattle

ICN - SEA

ICNSEA

Incheon Intl

Thu 12/25

4:10 pm-9:00 am

Nonstop9h 50m

Seattle/Tacoma Intl

Tue 1/13

11:25 am-4:30 pm

Nonstop12h 05m

$573

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Thu 11/13

7:30 pm-10:58 pm

1 stop18h 28m

Dallas/Fort Worth

Tue 11/18

6:50 am-3:30 pm

1 stop17h 40m

$731

IncheonDallas

ICN - DFW

ICNDFW

Incheon Intl

Mon 11/17

8:05 pm-11:54 pm

1 stop42h 49m

Dallas/Fort Worth

Tue 2/10

7:00 am-3:30 pm

1 stop17h 30m

$759

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 the United States from

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

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 United States?

In general, November is the cheapest month to fly from South Korea to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $600. If you aren’t able to travel during the month of November, then book flights to United States from South Korea during June instead. Flights to United States in June, while not as cheap as those in November, still average around $692.

What is the cheapest day to depart on your flight to United States?

According to our data, Tuesday is the cheapest day to fly to United States from South Korea. The lowest ticket price found for a Tuesday departure recently was $789. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $948. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

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

The cheapest time of day to fly to United States is in the afternoon when flights can be purchased for as low as $731. Try not to purchase tickets in the morning because they tend to be around $1,018. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest South Korea to United States flight route?

Fly from Incheon Intl to San Francisco for the best South Korea - United States flight prices

How far in advance should I book a flight to United States?

You are more likely to see cheaper flights to United States from South Korea when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around $944 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from South Korea for as low as $802 on momondo.

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

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

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

Cheap South Korea to United States flight deals and tips

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

Best Price Found

$304

Fastest flight time

8h 20m

Direct flights

Every day

Airports in United States

1 airport
The best one-way flight to United States from South Korea in the past 72 hours is $304. The best round-trip flight deal from South Korea to United States found on momondo in the last 72 hours is $399.
The fastest flight from South Korea to United States takes 8h 20m
Direct flights go from South Korea to United States every day.
There is 1 airport near United States: Honolulu (HNL)
  • When did momondo last update prices for flights from South Korea to United States?

    Prices for flights from South Korea to United States were last updated today.

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

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

    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 South Korea to United States.

  • What documentation or ID do you need to fly to United States?

    The travel and health documents required for your trip to United States can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from South Korea to United States

Compare and see reviews for airlines that fly from South Korea to United States with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $342Free CancellationRating
8.0
11,220 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $343Free CancellationRating
7.8
2,798 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $381Free CancellationRating
7.1
10,383 reviews
Search Air Canada flights
AIR PREMIAPriceFrom $408Free CancellationRating
8.3
66 reviews
Search AIR PREMIA flights
United AirlinesPriceFrom $438Free CancellationRating
7.4
8,996 reviews
Search United Airlines flights
Asiana AirlinesPriceFrom $451Free CancellationRating
8.2
484 reviews
Search Asiana Airlines flights
Korean AirPriceFrom $462Free CancellationRating
8.4
1,155 reviews
Search Korean Air flights
DeltaPriceFrom $595Free CancellationRating
7.9
7,998 reviews
Search Delta flights
American AirlinesPriceFrom $757Free CancellationRating
7.2
11,034 reviews
Search American Airlines flights
EVA AirPriceFrom $921Free CancellationRating
8.4
1,268 reviews
Search EVA Air flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from South Korea to United States. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from South Korea to United States with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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

Of course. momondo tracks the price of South Korea to United States flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
Sat 11/29
Sat 12/6

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