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$1,140+ Cheap flights from Appleton (ATW) to Seoul (SEL)

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 — SEL
feb. 14 — feb. 211
sáb. 2/14
sáb. 2/21
1 adult, Economy
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Cheap flight deals from Appleton to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Appleton (ATW) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,140
(United Airlines)
Provider with most accurate pricing for Appleton Intl-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for Appleton Intl-Seoul (SEL) flights.
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From Appleton Intl to Seoul (SEL)
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Find flight deals from Appleton to Seoul

Cheapest flights from Appleton to Seoul
Explore the most affordable flight options available from Appleton to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 15, 2026.

This United Airlines deal was found by Cheapflights users on 1/14. 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.
mié. 2/185:23 pm
ATW
-
ICN
2 stops31h 52m
United Airlines
dom. 2/2212:45 pm
ICN
-
ATW
2 stops45h 22m
United Airlines
Deal found 1/14$1,140
This United Airlines deal was found by Cheapflights users on 1/15. 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.
dom. 3/810:20 am
ATW
-
ICN
2 stops28h 20m
United Airlines
sáb. 3/145:00 pm
ICN
-
ATW
2 stops29h 21m
United Airlines
Deal found 1/15$1,161
This Delta deal was found by Cheapflights users on 1/15. 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.
dom. 3/87:00 am
ATW
-
ICN
1 stop19h 50m
Delta
sáb. 3/149:35 am
ICN
-
ATW
1 stop25h 01m
Delta
Deal found 1/15$1,177
This United Airlines deal was found by Cheapflights users on 1/13. 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.
sáb. 10/35:35 pm
ATW
-
ICN
2 stops44h 45m
United Airlines
sáb. 10/1711:30 am
ICN
-
ATW
2 stops23h 24m
United Airlines
Deal found 1/13$1,191
This Delta deal was found by Cheapflights users on 1/13. 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.
sáb. 9/267:00 am
ATW
-
ICN
1 stop19h 25m
Delta
sáb. 10/104:25 pm
ICN
-
ATW
1 stop19h 33m
Delta
Deal found 1/13$1,223
This Delta deal was found by Cheapflights users on 1/15. 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.
vie. 3/205:17 am
ATW
-
ICN
1 stop20h 33m
Delta
dom. 3/297:00 pm
ICN
-
ATW
2 stops30h 25m
Delta
Deal found 1/15$1,336
This Korean Air deal was found by Cheapflights users on 1/13. 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.
mié. 2/186:20 am
ATW
-
ICN
1 stop18h 10m
Korean Air
dom. 2/227:30 pm
ICN
-
ATW
1 stop16h 57m
Korean Air
Deal found 1/13$1,430

Cheapflights Fare Finder

 
Customize your flight search to find flights from Appleton 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, Cheapflights users made 2,558,603 searches. Data last updated enero 15, 2026.
Use the filters below to find and compare flights from Appleton to Seoul that are best for you.

Fly from

Appleton

Fly to

Seoul

Route

Depart

Return

Price

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

mié. 2/18

5:23 pm-4:15 pm

2 stops31h 52m

Incheon Intl

dom. 2/22

12:45 pm-7:07 pm

2 stops45h 22m

$1,140

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

dom. 3/8

10:20 am-4:40 am

2 stops28h 20m

Incheon Intl

sáb. 3/14

5:00 pm-8:21 am

2 stops29h 21m

$1,161

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

dom. 3/8

7:00 am-4:50 pm

1 stop19h 50m

Incheon Intl

sáb. 3/14

9:35 am-8:36 pm

1 stop25h 01m

$1,177

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

vie. 3/20

5:17 am-3:50 pm

1 stop20h 33m

Incheon Intl

dom. 3/29

7:00 pm-11:25 am

2 stops30h 25m

$1,336

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

mié. 2/18

6:20 am-3:30 pm

1 stop18h 10m

Incheon Intl

dom. 2/22

7:30 pm-9:27 pm

1 stop16h 57m

$1,430

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

sáb. 6/6

4:05 pm-5:20 pm

1 stop35h 15m

Incheon Intl

dom. 6/21

10:15 am-8:40 pm

1 stop24h 25m

$1,682

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Compare providers for flights from Appleton to Seoul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Appleton to Seoul in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Appleton-Seoul flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Appleton-Seoul flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Appleton-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Appleton-Seoul flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Appleton-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Appleton to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul 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 Seoul

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

Currently, September is the cheapest month in which you can book a flight from Appleton to Seoul (average of $873). Flying from Appleton to Seoul in June is currently the most expensive (average of $1,507). 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.

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated enero 15, 2026.
Read reviews from past customers who have flown Delta from Appleton to Seoul. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,048 reviews

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

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
8,048 reviews
Delta
7.9
Good
8,048 reviews

Food

7.2

Entertainment

7.8

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.9

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 Seoul. 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 Seoul?

    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 Seoul. 1 airline have flights from Appleton Intl to Seoul on a regular basis. Booking flights from Appleton Intl to Seoul should not be difficult; the airport handles an average of 0 outbound flights to Seoul per day.

  • How long is the flight from Appleton to Seoul?

    Airlines like United Airlines and Delta fly from Appleton to Seoul in about 19h 50m. The time it takes to get you to your destination can typically vary by up to 12h 02m. Airlines will cover a distance of 6379 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

  • How can I find direct flights from Appleton to Seoul?

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

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

    Yes. Cheapflights offers flight deals from Appleton to Seoul 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 Seoul?

    Currently, September is the cheapest month in which you can book a flight from Appleton to Seoul (average of $873). Flying from Appleton to Seoul in June is currently the most expensive (average of $1,507). 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 Seoul

Discover the top airline that operate flights from Appleton to Seoul. 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 enero 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$977Average$1,522FlexibilityNo cancel feeOn-timeN/A

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