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Incheon Intl

$977+ Cheap flights from Oshkosh, WI 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ICN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Oshkosh to Incheon Intl

Cheapest flights from Oshkosh to Incheon Intl
Explore the most affordable flight options available from Oshkosh to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This American Airlines deal was found by Cheapflights users on 10/29. 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 11/266:06 amATW - ICN
1 stop19h 39mAmerican Airlines
Wed 12/37:15 pmICN - ATW
1 stop16h 55mAmerican Airlines
Deal found 10/29$1,246
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/262:32 pmATW - ICN
2 stops24h 08mUnited Airlines
Wed 12/36:00 pmICN - ATW
2 stops18h 32mUnited Airlines
Deal found 10/29$1,251
This oojo deal was found by Cheapflights users on 10/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/263:43 pmATW - ICN
2 stops27h 47mQatar Airways
Tue 12/212:20 amICN - ATW
2 stops59h 52mQatar Airways
Deal found 10/29$2,262
This Qatar Airways deal was found by Cheapflights users on 10/29. 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 11/269:46 amATW - ICN
2 stops40h 29mMultiple Airlines
Wed 12/33:00 pmICN - ATW
3 stops43h 09mMultiple Airlines
Deal found 10/29$2,743

Cheap flight deals from Oshkosh to Incheon Intl

Keep the following information in mind while searching for Oshkosh to Incheon Intl flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$976
(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 Oshkosh to Incheon Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Oshkosh 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 30, 2025.
Use the filters below to find and compare flights from Oshkosh to Incheon Intl Airport that are best for you.

Fly from

Oshkosh

Fly to

Incheon Intl

Route

Depart

Return

Price

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Sat 4/11

5:35 pm-3:00 pm

2 stops31h 25m

Incheon Intl

Wed 4/15

11:30 am-8:58 pm

2 stops23h 28m

$977

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Sat 4/11

6:30 am-5:20 pm

1 stop20h 50m

Incheon Intl

Wed 4/15

4:25 pm-9:58 pm

1 stop19h 33m

$1,072

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Wed 11/26

6:06 am-4:45 pm

1 stop19h 39m

Incheon Intl

Wed 12/3

7:15 pm-9:10 pm

1 stop16h 55m

$1,246

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Wed 11/26

2:32 pm-5:40 am

2 stops24h 08m

Incheon Intl

Wed 12/3

6:00 pm-9:32 pm

2 stops18h 32m

$1,251

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Wed 11/26

3:43 pm-10:30 am

2 stops27h 47m

Incheon Intl

Tue 12/2

12:20 am-9:12 pm

2 stops59h 52m

$2,262

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Wed 11/26

9:46 am-5:15 pm

2 stops40h 29m

Incheon Intl

Wed 12/3

3:00 pm-7:09 pm

3 stops43h 09m

$2,743

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Best time to book a flight from Oshkosh to Incheon Intl

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

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

Currently, September is the cheapest month in which you can book a flight from Oshkosh to Incheon Intl Airport (average of $873). Flying from Oshkosh 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.

What is the cheapest time of day to fly from OS9 to ICN?

Find hourly flight availability from Oshkosh to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s typically best to fly out from Oshkosh to Incheon Intl Airport in the evening. Doing so could potentially save you 29% on the flight price compared to flying at noon, which is usually more expensive.

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 30, 2025.
Read reviews from past customers who have flown Delta from Oshkosh 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
7,998 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

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
7,998 reviews
Delta
7.9
Good
7,998 reviews

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

7.9

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 Oshkosh to Incheon Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like United Airlines and Delta fly from Oshkosh to Incheon Intl Airport in about 20h 50m. The time it takes to get you to your destination can typically vary by up to 10h 35m. 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 Oshkosh to Incheon Intl that include hotel bookings?

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Oshkosh to Incheon Intl Airport (average of $873). Flying from Oshkosh 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

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Top 2 airlines flying from Oshkosh to Incheon Intl

Discover the top 2 airlines that operate flights from Oshkosh 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$871Average$1,481FlexibilityNo cancel feeOn-time71%
DeltaCheapest$901Average$1,310FlexibilityNo cancel feeOn-timeN/A

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