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$977+ Cheap flights from Oshkosh, WI 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SEL
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from Oshkosh to Seoul

Best flights from Oshkosh to Seoul
Discover carefully curated flight deals from Oshkosh to Seoul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2025.

This United Airlines deal was found by Cheapflights users on 11/1. 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 4/113:45 pmATW - ICN
2 stops22h 35mUnited Airlines
Wed 4/1511:30 amICN - ATW
2 stops23h 28mUnited Airlines
Deal found 11/1$977
This Delta deal was found by Cheapflights users on 11/1. 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 4/116:30 amATW - ICN
1 stop20h 50mDelta
Wed 4/156:40 pmICN - ATW
1 stop16h 47mDelta
Deal found 11/1$1,072
This Qatar Airways deal was found by Cheapflights users on 11/2. 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 4/116:30 amATW - ICN
2 stops44h 35mQatar Airways
Tue 4/141:20 amICN - ATW
2 stops33h 37mQatar Airways
Deal found 11/2$2,134

Cheap flight deals from Oshkosh to Seoul

Keep the following information in mind while searching for Oshkosh to Seoul flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$977
(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 Seoul (SEL)
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oshkosh 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 November 3, 2025.
Use the filters below to find and compare flights from Oshkosh to Seoul that are best for you.

Fly from

Oshkosh

Fly to

Seoul

Route

Depart

Return

Price

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Sat 4/11

3:45 pm-4:20 am

2 stops22h 35m

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

6:40 pm-9:27 pm

1 stop16h 47m

$1,072

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Sat 4/11

6:30 am-5:05 pm

2 stops44h 35m

Incheon Intl

Tue 4/14

1:20 am-8:57 pm

2 stops33h 37m

$2,134

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Best time to book a flight from Oshkosh to Seoul

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

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

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

Find hourly flight availability from Oshkosh to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 29% on flights from Oshkosh to Seoul by exploring options for tickets in the evening.

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated November 3, 2025.
Read reviews from past customers who have flown Delta from Oshkosh to Seoul. 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
8,002 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.2

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
8,002 reviews
Delta
7.9
Good
8,002 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

7.9

Boarding

8.2

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 Seoul. 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 Seoul?

    Departing from Oshkosh to Seoul will take you 20h 50m. The distance from Oshkosh to Seoul 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 Seoul that include hotel bookings?

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

  • How can I find direct flights from Oshkosh to Seoul?

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

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

    Yes. Cheapflights offers flight deals from Oshkosh 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 Oshkosh to Seoul?

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

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Top 2 airlines flying from Oshkosh to Seoul

Discover the top 2 airlines that operate flights from Oshkosh to Seoul. 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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$871Average$1,481FlexibilityNo cancel feeOn-time71%
DeltaCheapest$901Average$1,364FlexibilityNo cancel feeOn-timeN/A

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