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$955+ Cheap flights from Appleton (ATW) to South Korea

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — ICN
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Appleton to South Korea

Cheapest flights from Appleton to South Korea
Explore the most affordable flight options available from Appleton to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/185:23 pm
ATW
-
ICN
2 stops31h 52m
United Airlines
Sun 2/2212:45 pm
ICN
-
ATW
2 stops42h 59m
United Airlines
Deal found 1/26$955
This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:29 am
ATW
-
ICN
1 stop18h 41m
Delta
Tue 9/154:25 pm
ICN
-
ATW
1 stop19h 32m
Delta
Deal found 1/25$1,223
This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:05 pm
ATW
-
ICN
1 stop35h 15m
Delta
Thu 8/207:20 pm
ICN
-
ATW
2 stops40h 07m
Delta
Deal found 1/25$1,314
This Delta deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:30 am
ATW
-
ICN
1 stop20h 50m
Delta
Thu 8/207:20 pm
ICN
-
ATW
2 stops40h 07m
Delta
Deal found 1/25$1,318
This Korean Air deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:20 am
ATW
-
ICN
1 stop18h 10m
Korean Air
Sun 2/227:30 pm
ICN
-
ATW
1 stop16h 57m
Korean Air
Deal found 1/25$1,643
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:20 pm
ATW
-
ICN
1 stop33h 05m
Delta
Sun 6/2110:15 am
ICN
-
ATW
1 stop24h 25m
Delta
Deal found 1/27$1,796

Find flight deals from Appleton to South Korea

Keep the following information in mind while searching for Appleton to South Korea flight deals. Data was last updated January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$955
(United Airlines)
Provider with most accurate pricing for Appleton Intl-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Appleton Intl-Seoul (SEL) flights.
Search Deals
From Appleton Intl to South Korea
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Appleton 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, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
Use the filters below to find and compare flights from Appleton to South Korea that are best for you.

Fly from

Appleton

Fly to

South Korea

Route

Depart

Return

Price

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Wed 2/18

5:23 pm-4:15 pm

2 stops31h 52m

Incheon Intl

Sun 2/22

12:45 pm-4:44 pm

2 stops42h 59m

$955

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Wed 2/18

6:50 am-4:50 pm

1 stop19h 00m

Incheon Intl

Sun 2/22

7:30 pm-9:27 pm

1 stop16h 57m

$1,643

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Sat 6/6

5:20 pm-4:25 pm

1 stop33h 05m

Incheon Intl

Sun 6/21

10:15 am-8:40 pm

1 stop24h 25m

$1,796

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Best time to book a flight from Appleton to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from Appleton with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Appleton to South Korea

What is the cheapest month to book a flight from Appleton to South Korea?

Currently, September is the cheapest month in which you can book a flight from Appleton to South Korea (average of $873). Flying from Appleton to South Korea in August is currently the most expensive (average of $1,476). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ATW to KR?

Find hourly flight availability from Appleton to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 27, 2026.

One of the essential ways to save on airfare from Appleton to South Korea is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 17% on airfare.

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to South Korea. Reviews last updated January 27, 2026.
Get a feel of what it's like to fly with Delta from Appleton to South Korea by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,118 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,118 reviews
Delta
7.9
Good
8,118 reviews

Entertainment

7.8

Crew

8.5

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Appleton to South Korea. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Appleton to South Korea?

    Appleton Intl (ATW), located 5.1 mi from the city center, is the airport you fly out of when you book flights from Appleton to South Korea.

  • How long is the flight from Appleton to South Korea?

    Airlines like United Airlines and Korean Air fly from Appleton to South Korea in about 19h. The time it takes to get you to your destination can typically vary by up to 12h 52m. There are 6379 mi between Appleton and South Korea. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Appleton to South Korea that include hotel bookings?

    Yes. In addition to deals on Appleton to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Appleton to South Korea?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Appleton to South Korea.

  • Can I find deals for business class flights from Appleton to South Korea?

    Yes. Cheapflights offers flight deals from Appleton to South Korea by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Appleton to South Korea?

    Currently, September is the cheapest month in which you can book a flight from Appleton to South Korea (average of $873). Flying from Appleton to South Korea in August is currently the most expensive (average of $1,476). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Appleton to South Korea

Discover the top airline that operate flights from Appleton to South Korea. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$977Average$1,496FlexibilityNo cancel feeOn-timeN/A

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