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Incheon Intl

$878+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
ATW — ICN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$1,202
(United Airlines)

Popular in

May

Cheapest in

November

Average price

$1,506
From Appleton Intl to Incheon Intl
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Highest demand for flights based on searches. 20% potential increase in price ($370 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($82 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 9/176:33 amATW - ICN
1 stop18h 57mAmerican Airlines
Wed 9/245:25 pmICN - ATW
2 stops29h 41mAmerican Airlines
Deal found 9/10$878
This Delta deal was found by Cheapflights users on 9/10. 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.
Wed 9/176:20 amATW - ICN
1 stop21h 00mDelta
Wed 9/246:40 pmICN - ATW
1 stop16h 55mDelta
Deal found 9/10$1,001
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 9/233:45 pmATW - ICN
2 stops22h 35mUnited Airlines
Tue 9/304:50 pmICN - ATW
2 stops33h 11mUnited Airlines
Deal found 9/10$1,202
This Korean Air deal was found by Cheapflights users on 9/10. 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.
Tue 9/237:00 amATW - ICN
1 stop19h 25mKorean Air
Tue 9/306:40 pmICN - ATW
1 stop16h 55mKorean Air
Deal found 9/10$1,714
This Qatar Airways deal was found by Cheapflights users on 9/10. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:33 amATW - ICN
2 stops44h 32mMultiple Airlines
Wed 9/243:10 pmICN - ATW
3 stops40h 37mMultiple Airlines
Deal found 9/10$2,428
This Qatar Airways deal was found by Cheapflights users on 9/10. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:33 amATW - ICN
2 stops44h 32mQatar Airways
Tue 9/301:40 pmICN - ATW
3 stops42h 08mQatar Airways
Deal found 9/10$2,678
This Justfly.com deal was found by Cheapflights users on 9/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:33 amATW - ICN
2 stops37h 57mQatar Airways
Tue 9/231:20 amICN - ATW
2 stops34h 12mQatar Airways
Deal found 9/10$3,166
This Qatar Airways deal was found by Cheapflights users on 9/10. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:33 amATW - ICN
2 stops44h 32mMultiple Airlines
Mon 9/291:20 amICN - ATW
2 stops34h 12mMultiple Airlines
Deal found 9/10$3,489

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 September 11, 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

Tue 9/23

3:45 pm-4:20 am

2 stops22h 35m

Incheon Intl

Tue 9/30

4:50 pm-12:01 pm

2 stops33h 11m

$1,202

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Tue 9/23

7:00 am-4:25 pm

1 stop19h 25m

Incheon Intl

Tue 9/30

6:40 pm-9:35 pm

1 stop16h 55m

$1,714

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Tue 9/23

6:33 am-5:05 pm

2 stops44h 32m

Incheon Intl

Tue 9/30

1:40 pm-5:48 pm

3 stops42h 08m

$2,678

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Tue 9/23

6:33 am-5:05 pm

2 stops44h 32m

Incheon Intl

Mon 9/29

1:20 am-9:32 pm

2 stops34h 12m

$3,489

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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, February is the cheapest month in which you can book a flight from Appleton to Incheon Intl Airport (average of $990). Flying from Appleton to Incheon Intl Airport in December is currently the most expensive (average of $1,633). 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 September 11, 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
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 19h 25m. United Airlines provides one of the quickest options available for as low as $1,714. 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. You may be able to fly from Appleton to Incheon Intl Airport for 34% less than the average price by searching for this airline.

  • 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, February is the cheapest month in which you can book a flight from Appleton to Incheon Intl Airport (average of $990). Flying from Appleton to Incheon Intl Airport in December is currently the most expensive (average of $1,633). 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
Daejeon

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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$977Average$1,389FlexibilityNo cancel feeOn-timeN/A

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