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$977+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — ICN
nov. 29 — dic. 61
sáb. 11/29
sáb. 12/6
1 adult, Economy
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Find 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 octubre 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.
mié. 11/266:06 amATW - ICN
1 stop19h 39mAmerican Airlines
mié. 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.
mié. 11/262:32 pmATW - ICN
2 stops24h 08mUnited Airlines
mié. 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.
mié. 11/263:43 pmATW - ICN
2 stops27h 47mQatar Airways
mar. 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.
mié. 11/269:46 amATW - ICN
2 stops40h 29mMultiple Airlines
mié. 12/33:00 pmICN - ATW
3 stops43h 09mMultiple Airlines
Deal found 10/29$2,743

Cheap 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 octubre 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.
Search Deals
Provider most trusted by Cheapflights users for Appleton Intl-Seoul (SEL) flights.
Search Deals
From Oshkosh to South Korea
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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 octubre 30, 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

sáb. 4/11

5:35 pm-3:00 pm

2 stops31h 25m

Incheon Intl

mié. 4/15

11:30 am-8:58 pm

2 stops23h 28m

$977

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

sáb. 4/11

6:30 am-5:20 pm

1 stop20h 50m

Incheon Intl

mié. 4/15

4:25 pm-9:58 pm

1 stop19h 33m

$1,072

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

mié. 11/26

6:06 am-4:45 pm

1 stop19h 39m

Incheon Intl

mié. 12/3

7:15 pm-9:10 pm

1 stop16h 55m

$1,246

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

mié. 11/26

2:32 pm-5:40 am

2 stops24h 08m

Incheon Intl

mié. 12/3

6:00 pm-9:32 pm

2 stops18h 32m

$1,251

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

mié. 11/26

3:43 pm-10:30 am

2 stops27h 47m

Incheon Intl

mar. 12/2

12:20 am-9:12 pm

2 stops59h 52m

$2,262

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

mié. 11/26

9:46 am-5:15 pm

2 stops40h 29m

Incheon Intl

mié. 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 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 octubre 30, 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 octubre 30, 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
7,998 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

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

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.2

Crew

8.5

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 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 and Delta can get you from Oshkosh to South Korea in just under 20h 50m. Your travel time can differ by up to 10h 35m. The distance between Oshkosh and South Korea is about 6379 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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

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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 2 airlines flying from Oshkosh to South Korea

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

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