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Incheon Intl

$917+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ICN
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/28. 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.
Mon 2/96:30 am
ATW
-
ICN
1 stop19h 15m
American Airlines
Tue 2/177:15 pm
ICN
-
ATW
1 stop17h 44m
American Airlines
Deal found 1/28$917
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/93:39 pm
ATW
-
ICN
2 stops23h 01m
United Airlines
Fri 2/206:00 pm
ICN
-
ATW
2 stops36h 07m
United Airlines
Deal found 1/28$921
This United Airlines deal was found by Cheapflights users on 1/28. 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 2/73:39 pm
ATW
-
ICN
2 stops33h 36m
United Airlines
Sun 2/156:00 pm
ICN
-
ATW
2 stops32h 58m
United Airlines
Deal found 1/28$931
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Wed 2/185:23 pm
ATW
-
ICN
2 stops31h 52m
United Airlines
Sun 2/2212:45 pm
ICN
-
ATW
2 stops42h 59m
United Airlines
Deal found 1/26$955
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/116:45 am
ATW
-
ICN
1 stop19h 05m
Delta
Thu 2/197:25 pm
ICN
-
ATW
1 stop17h 25m
Delta
Deal found 1/28$1,167
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/116:10 am
ATW
-
ICN
2 stops19h 20m
Delta
Sun 2/157:25 pm
ICN
-
ATW
1 stop17h 25m
Delta
Deal found 1/28$1,171
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/711:03 am
ATW
-
ICN
1 stop38h 47m
Delta
Mon 2/167:25 pm
ICN
-
ATW
1 stop17h 25m
Delta
Deal found 1/28$1,173
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/116:45 am
ATW
-
ICN
1 stop19h 05m
Delta
Fri 2/209:35 am
ICN
-
ATW
1 stop16h 07m
Delta
Deal found 1/28$1,177
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/106:10 am
ATW
-
ICN
2 stops19h 20m
Delta
Sat 2/147:30 pm
ICN
-
ATW
1 stop16h 57m
Delta
Deal found 1/28$1,181
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/74:20 pm
ATW
-
ICN
1 stop32h 10m
Delta
Sat 2/147:25 pm
ICN
-
ATW
1 stop17h 25m
Delta
Deal found 1/28$1,183

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$917
(American 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 Oshkosh to Incheon Intl
Search Deals

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 January 29, 2026.
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

Mon 2/9

6:30 am-4:45 pm

1 stop19h 15m

Incheon Intl

Tue 2/17

7:15 pm-9:59 pm

1 stop17h 44m

$917

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Mon 2/9

12:35 pm-5:40 am

2 stops26h 05m

Incheon Intl

Thu 2/19

12:45 pm-7:07 pm

2 stops21h 22m

$921

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Sun 2/8

12:35 pm-5:40 am

2 stops26h 05m

Incheon Intl

Thu 2/19

12:45 pm-7:07 pm

2 stops21h 22m

$921

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Tue 2/10

3:39 pm-5:40 am

2 stops23h 01m

Incheon Intl

Tue 2/17

12:45 pm-9:32 pm

2 stops23h 47m

$921

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Sun 2/8

2:45 pm-5:40 am

2 stops23h 55m

Incheon Intl

Fri 2/20

12:45 pm-9:32 pm

2 stops23h 47m

$921

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Tue 2/10

12:35 pm-5:40 am

2 stops26h 05m

Incheon Intl

Fri 2/20

6:00 pm-11:58 am

2 stops32h 58m

$921

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Sun 2/8

12:35 pm-5:40 am

2 stops26h 05m

Incheon Intl

Tue 2/17

12:45 pm-4:44 pm

2 stops18h 59m

$921

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Tue 2/10

3:39 pm-5:40 am

2 stops23h 01m

Incheon Intl

Sun 2/15

6:00 pm-11:58 am

2 stops32h 58m

$931

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Sun 2/8

2:45 pm-5:40 am

2 stops23h 55m

Incheon Intl

Sun 2/15

6:00 pm-11:58 am

2 stops32h 58m

$931

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Wed 2/18

5:23 pm-4:15 pm

2 stops31h 52m

Incheon Intl

Sun 2/22

12:45 pm-4:44 pm

2 stops42h 59m

$955

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 11 results
1
2

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 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.

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 January 29, 2026.
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
8,128 reviews

Boarding

8.1

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

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
8,128 reviews
Delta
7.9
Good
8,128 reviews

Boarding

8.1

Food

7.2

Overall

7.9

Crew

8.5

Entertainment

7.8

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 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 American Airlines and United Airlines fly from Oshkosh to Incheon Intl Airport in about 19h 15m. The time it takes to get you to your destination can typically vary by up to 6h 50m. 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 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

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 airline flying from Oshkosh to Incheon Intl

Discover the top airline 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$901Average$1,343FlexibilityNo cancel feeOn-timeN/A

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