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$917+ 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 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 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 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 South Korea

Keep the following information in mind while searching for Oshkosh to South Korea 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 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 January 29, 2026.
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

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 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 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.

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 January 29, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 18% on flights from Oshkosh to South Korea by exploring options for tickets in the afternoon.

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 March 30, 2025.

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 January 29, 2026.
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
8,128 reviews

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

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

Overall

7.9

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

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?

    American Airlines and United Airlines can get you from Oshkosh to South Korea in just under 19h 15m. Your travel time can differ by up to 6h 50m. 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 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

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

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