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$820+ Cheap flights from Oshkosh, WI to South Korea

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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ICN
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Oshkosh to South Korea

Cheapest flights from Oshkosh to South Korea
Explore the most affordable flight options available from Oshkosh to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Delta deal was found by Cheapflights users on 12/16. 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 12/306:00 amATW - ICN
1 stop18h 30mDelta
Thu 1/227:25 pmICN - ATW
1 stop17h 21mDelta
Deal found 12/16$1,096
This Delta deal was found by Cheapflights users on 12/16. 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 12/306:00 amATW - ICN
1 stop18h 30mDelta
Sun 1/257:25 pmICN - ATW
2 stops29h 58mDelta
Deal found 12/16$1,100
This Delta deal was found by Cheapflights users on 12/16. 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.
Mon 12/2912:12 pmATW - ICN
1 stop36h 18mDelta
Fri 1/237:25 pmICN - ATW
1 stop17h 21mDelta
Deal found 12/16$1,101
This Delta deal was found by Cheapflights users on 12/16. 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 12/3112:12 pmATW - ICN
1 stop36h 18mDelta
Sat 1/247:25 pmICN - ATW
2 stops29h 58mDelta
Deal found 12/16$1,106
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/316:15 amATW - ICN
2 stops32h 25mUnited Airlines
Thu 1/2212:45 pmICN - ATW
2 stops23h 46mUnited Airlines
Deal found 12/16$1,130
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/311:00 pmATW - ICN
2 stops25h 40mUnited Airlines
Sun 1/256:00 pmICN - ATW
2 stops37h 48mUnited Airlines
Deal found 12/16$1,143
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/306:15 amATW - ICN
2 stops56h 25mUnited Airlines
Wed 1/2112:45 pmICN - ATW
2 stops23h 05mUnited Airlines
Deal found 12/16$1,148
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/306:15 amATW - ICN
2 stops56h 25mUnited Airlines
Sun 1/256:00 pmICN - ATW
2 stops40h 15mUnited Airlines
Deal found 12/16$1,153
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/297:07 pmATW - ICN
2 stops30h 38mAmerican Airlines
Fri 1/237:15 pmICN - ATW
2 stops36h 18mAmerican Airlines
Deal found 12/16$1,213
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/271:00 pmATW - ICN
2 stops36h 15mUnited Airlines
Sat 1/2412:45 pmICN - ATW
2 stops23h 05mUnited Airlines
Deal found 12/16$1,359
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/271:00 pmATW - ICN
2 stops36h 15mUnited Airlines
Sun 1/256:00 pmICN - ATW
2 stops37h 48mUnited Airlines
Deal found 12/16$1,372

Find flight deals from Oshkosh to South Korea

Keep the following information in mind while searching for Oshkosh to South Korea flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$820
(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 Oshkosh to South Korea
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oshkosh to South Korea 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 December 18, 2025.
Use the filters below to find and compare flights from Oshkosh to South Korea that are best for you.

Fly from

Oshkosh

Fly to

South Korea

Route

Depart

Return

Price

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Sun 1/18

12:35 pm-5:40 am

2 stops26h 05m

Incheon Intl

Thu 1/22

12:45 pm-4:48 pm

2 stops19h 03m

$820

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Fri 1/16

8:20 am-4:15 pm

2 stops64h 55m

Incheon Intl

Fri 1/23

12:45 pm-8:50 pm

2 stops23h 05m

$832

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Sun 3/22

5:23 pm-3:15 pm

2 stops31h 52m

Incheon Intl

Mon 5/25

4:50 pm-3:10 pm

2 stops36h 20m

$965

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Tue 3/24

3:41 pm-4:40 am

2 stops22h 59m

Incheon Intl

Wed 5/27

11:30 am-8:54 pm

2 stops23h 24m

$1,034

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Tue 3/24

6:55 am-4:50 pm

1 stop19h 55m

Incheon Intl

Thu 5/28

7:40 pm-9:27 pm

1 stop15h 47m

$1,061

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Mon 3/23

11:07 am-5:00 am

2 stops27h 53m

Incheon Intl

Wed 5/27

6:50 pm-10:27 am

2 stops29h 37m

$1,065

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Sun 3/22

6:50 am-4:30 pm

2 stops19h 40m

Incheon Intl

Wed 5/27

6:50 pm-10:27 am

2 stops29h 37m

$1,065

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Mon 3/23

6:50 am-3:30 pm

1 stop18h 40m

Incheon Intl

Fri 5/29

7:00 pm-11:11 am

2 stops30h 11m

$1,065

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Wed 3/25

6:12 pm-4:50 pm

1 stop32h 38m

Incheon Intl

Thu 5/28

10:15 am-8:40 pm

1 stop24h 25m

$1,066

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Best time to book a flight from Oshkosh to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea 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 South Korea

What is the cheapest month to book a flight from Oshkosh to South Korea?

Currently, September is the cheapest month in which you can book a flight from Oshkosh to South Korea (average of $873). Flying from Oshkosh to South Korea 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 KR?

Find hourly flight availability from Oshkosh to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 59% on flights from Oshkosh to South Korea by exploring options for tickets in the evening.

What is the cheapest day to fly from Oshkosh to South Korea?

Use this chart to determine the cheapest time to fly round-trip from Oshkosh to South Korea. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Oshkosh to South Korea flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated December 18, 2025.
Get a feel of what it's like to fly with Delta from Oshkosh to South Korea by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,005 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

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
8,005 reviews
Delta
7.9
Good
8,005 reviews

Crew

8.5

Boarding

8.1

Food

7.3

Overall

7.9

Entertainment

7.9

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 South Korea. 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 South Korea?

    United Airlines can get you from Oshkosh to South Korea in just under 26h 05m. Your travel time can differ by up to . The distance between Oshkosh and South Korea is about 6379 mi.

  • Can I find deals for flights from Oshkosh to South Korea that include hotel bookings?

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

  • How can I find direct flights from Oshkosh to South Korea?

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

  • Can I find deals for business class flights from Oshkosh to South Korea?

    Yes. Cheapflights offers flight deals from Oshkosh to South Korea 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 South Korea?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Oshkosh to South Korea

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Oshkosh to South Korea

Discover the top airline that operate flights from Oshkosh to South Korea. 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$901Average$1,356FlexibilityNo cancel feeOn-timeN/A

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