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Incheon Intl

$848+ Cheap flights from Appleton (ATW) to Incheon Intl (ICN)

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — ICN
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from Appleton to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from Appleton (ATW) to Incheon Intl (ICN). 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 October 28, 2025.

Most accurate provider

AranGrant
2 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$848
(United Airlines)
Provider with most accurate pricing for Appleton Intl-Incheon Intl flight deals.
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Provider most trusted by Cheapflights users for Appleton Intl-Incheon Intl flights.
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From Appleton Intl to Incheon Intl
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Find flight deals from Appleton to Incheon Intl

Cheapest flights from Appleton to Incheon Intl
Explore the most affordable flight options available from Appleton to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 11/102:32 pmATW - ICN
2 stops24h 08mUnited Airlines
Sat 1/3112:45 pmICN - ATW
2 stops19h 03mUnited Airlines
Deal found 10/28$848
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 12/1312:30 pmATW - ICN
2 stops36h 45mUnited Airlines
Sun 2/16:00 pmICN - ATW
2 stops37h 48mUnited Airlines
Deal found 10/28$1,166
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Sat 12/132:32 pmATW - ICN
2 stops34h 43mUnited Airlines
Thu 1/2912:45 pmICN - ATW
2 stops19h 03mUnited Airlines
Deal found 10/28$1,217
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 12/226:15 amATW - ICN
2 stops56h 25mUnited Airlines
Sat 1/176:00 pmICN - ATW
2 stops35h 09mUnited Airlines
Deal found 10/26$1,244
This Korean Air deal was found by Cheapflights users on 10/28. 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.
Mon 11/106:24 amATW - ICN
1 stop18h 06mKorean Air
Sat 1/317:30 pmICN - ATW
1 stop16h 59mKorean Air
Deal found 10/28$1,272
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 12/155:20 pmATW - ICN
2 stops31h 55mUnited Airlines
Fri 1/306:00 pmICN - ATW
2 stops33h 00mUnited Airlines
Deal found 10/28$1,287
This American Airlines deal was found by Cheapflights users on 10/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:03 amATW - ICN
1 stop19h 42mAmerican Airlines
Fri 12/197:15 pmICN - ATW
2 stops29h 06mAmerican Airlines
Deal found 10/28$1,422
This Korean Air deal was found by Cheapflights users on 10/28. 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 12/36:00 amATW - ICN
1 stop18h 30mKorean Air
Sun 2/17:30 pmICN - ATW
1 stop16h 59mKorean Air
Deal found 10/28$1,446
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 12/1212:30 pmATW - ICN
2 stops26h 10mUnited Airlines
Mon 12/1512:45 pmICN - ATW
2 stops21h 11mUnited Airlines
Deal found 10/28$1,465
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/102:53 pmATW - ICN
1 stop23h 27mMultiple Airlines
Sat 1/316:55 pmICN - ATW
2 stops58h 40mMultiple Airlines
Deal found 10/28$1,668

Cheapflights Fare Finder

 
Customize your flight search to find flights from Appleton to Incheon Intl 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 October 28, 2025.
Use the filters below to find and compare flights from Appleton to Incheon Intl Airport that are best for you.

Fly from

Appleton

Fly to

Incheon Intl

Route

Depart

Return

Price

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Wed 12/3

2:32 pm-5:40 am

2 stops24h 08m

Incheon Intl

Sun 2/1

6:00 pm-4:48 pm

2 stops37h 48m

$848

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Sat 4/11

3:45 pm-4:20 am

2 stops22h 35m

Incheon Intl

Wed 4/15

4:50 pm-8:58 pm

2 stops18h 08m

$976

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Sat 4/11

6:30 am-5:20 pm

1 stop20h 50m

Incheon Intl

Wed 4/15

6:40 pm-9:27 pm

1 stop16h 47m

$1,072

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Sat 12/13

2:32 pm-4:15 pm

2 stops34h 43m

Incheon Intl

Sun 2/1

6:00 pm-4:48 pm

2 stops37h 48m

$1,166

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Mon 12/22

6:15 am-5:40 am

2 stops56h 25m

Incheon Intl

Sat 1/17

6:00 pm-2:09 pm

2 stops35h 09m

$1,244

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Mon 11/10

6:24 am-3:30 pm

1 stop18h 06m

Incheon Intl

Sat 1/31

7:30 pm-9:29 pm

1 stop16h 59m

$1,272

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Tue 12/16

6:03 am-5:35 pm

1 stop20h 32m

$886

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Tue 12/16

8:30 am-5:40 am

2 stops30h 10m

$949

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

  • Most accurate provider: When it comes to deals on Appleton-Incheon Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Appleton-Incheon Intl Airport flight deals on Cheapflights vs. AranGrant 90-95% of the time. Price accuracy is based on data collected from Appleton-Incheon Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Appleton-Incheon Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant 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-Incheon Intl Airport 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 Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl 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 Incheon Intl Airport

What is the cheapest month to book a flight from Appleton to Incheon Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Appleton to Incheon Intl Airport (average of $873). Flying from Appleton to Incheon Intl Airport in July is currently the most expensive (average of $1,616). 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 Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated October 28, 2025.
Read reviews from past customers who have flown Delta from Appleton to Incheon Intl Airport. 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
7,994 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Overall

7.9

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Appleton to Incheon Intl. 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 Incheon Intl?

    Appleton Intl (ATW) is the airport you will fly out of if you book a flight from Appleton to Incheon Intl. You should not have trouble finding flights to Incheon Intl from Appleton Intl; the airport handles an average of 0 outbound flights to Incheon Intl per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Appleton airport to Incheon Intl. It is only a 5.1 mi journey to Appleton Intl (ATW) from Appleton’s city center.

  • How long is the flight from Appleton to Incheon Intl Airport?

    A quick flight from Appleton to Incheon Intl Airport can take about 20h 50m. United Airlines provides one of the quickest options available for as low as $1,072. There are 6379 mi between Appleton and Incheon Intl Airport. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Appleton to Incheon Intl Airport round-trip?

    Cheapflights users have booked flights from Appleton to Incheon Intl Airport round-trip from $977.

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

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

  • How can I find direct flights from Appleton to Incheon Intl?

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

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

    Yes. Cheapflights offers flight deals from Appleton to Incheon Intl 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 Incheon Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Appleton to Incheon Intl Airport (average of $873). Flying from Appleton to Incheon Intl Airport in July is currently the most expensive (average of $1,616). 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

Traveling to a place near Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Suwon
Seongnam

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Appleton to Incheon Intl

Discover the top airline that operate flights from Appleton to Incheon Intl. 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$977Average$1,389FlexibilityNo cancel feeOn-timeN/A

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