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$1,547+ 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
Mar 10 — Mar 171
Tue 3/10
Tue 3/17
1 adult, Economy
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Cheap 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 February 8, 2026.

This United Airlines deal was found by Cheapflights users on 2/6. 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 2/163:42 pm
ATW
-
ICN
2 stops22h 58m
United Airlines
Fri 2/2012:45 pm
ICN
-
ATW
2 stops23h 47m
United Airlines
Deal found 2/6$1,547
This United Airlines deal was found by Cheapflights users on 2/7. 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 3/710:20 am
ATW
-
ICN
2 stops28h 20m
United Airlines
Sat 3/1411:45 am
ICN
-
ATW
2 stops23h 09m
United Airlines
Deal found 2/7$1,597
This Delta deal was found by Cheapflights users on 2/7. 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 3/76:20 am
ATW
-
ICN
1 stop18h 10m
Delta
Sat 3/147:30 pm
ICN
-
ATW
1 stop15h 45m
Delta
Deal found 2/7$1,647
This Korean Air deal was found by Cheapflights users on 2/5. 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 2/186:50 am
ATW
-
ICN
1 stop19h 00m
Korean Air
Sun 2/229:35 am
ICN
-
ATW
1 stop16h 07m
Korean Air
Deal found 2/5$1,906
This Korean Air deal was found by Cheapflights users on 2/6. 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 2/166:20 am
ATW
-
ICN
1 stop18h 10m
Korean Air
Fri 2/207:30 pm
ICN
-
ATW
1 stop16h 57m
Korean Air
Deal found 2/6$1,908
This Qatar Airways deal was found by Cheapflights users on 2/7. 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.
Sat 3/76:15 am
ATW
-
ICN
2 stops44h 00m
Multiple Airlines
Sat 3/1411:05 am
ICN
-
ATW
3 stops49h 53m
Multiple Airlines
Deal found 2/7$2,237

Find 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 February 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,547
(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 Seoul (SEL)
Search Deals

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 February 8, 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

Wed 2/18

8:20 am-5:40 am

2 stops30h 20m

Incheon Intl

Sun 2/22

6:00 pm-4:44 pm

2 stops37h 44m

$1,547

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Sat 3/7

6:35 pm-3:55 pm

2 stops30h 20m

Incheon Intl

Sat 3/14

5:55 pm-9:36 pm

1 stop17h 41m

$1,597

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Sat 3/7

10:20 am-5:40 am

2 stops28h 20m

Incheon Intl

Sat 3/14

11:45 am-8:54 pm

2 stops23h 09m

$1,597

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Sat 3/7

6:20 am-3:30 pm

1 stop18h 10m

Incheon Intl

Sat 3/14

7:30 pm-9:15 pm

1 stop15h 45m

$1,647

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Wed 2/18

6:50 am-4:50 pm

1 stop19h 00m

Incheon Intl

Sun 2/22

9:35 am-10:42 am

1 stop16h 07m

$1,906

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Sat 3/7

6:15 am-5:15 pm

2 stops44h 00m

Incheon Intl

Sat 3/14

11:05 am-10:58 pm

3 stops49h 53m

$2,237

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Appleton-Seoul flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 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.

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. 0 airlines 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, American Airlines, and Delta fly from Appleton to Seoul in about 18h 10m. The time it takes to get you to your destination can typically vary by up to 12h 10m. 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 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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