HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seoul

$1,474+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — SEL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oshkosh to Seoul with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 September 15, 2025.

Round-trip from

$1,474
(United Airlines)
From Oshkosh to Seoul (SEL)
Search Deals

Find flight deals from Oshkosh to Seoul

Cheapest flights from Oshkosh to Seoul
Explore the most affordable flight options available from Oshkosh to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. 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 10/136:45 pmATW - ICN
2 stops30h 15mUnited Airlines
Mon 10/204:50 pmICN - ATW
2 stops35h 18mUnited Airlines
Deal found 9/14$1,474
This Delta deal was found by Cheapflights users on 9/14. 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 10/135:41 amATW - ICN
1 stop21h 09mDelta
Mon 10/206:40 pmICN - ATW
1 stop16h 35mDelta
Deal found 9/14$1,607
This Korean Air deal was found by Cheapflights users on 9/14. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:24 amATW - ICN
1 stop18h 06mMultiple Airlines
Tue 12/237:30 pmICN - ATW
1 stop18h 39mMultiple Airlines
Deal found 9/14$1,734
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 12/126:08 amATW - ICN
1 stop19h 37mAmerican Airlines
Tue 12/237:15 pmICN - ATW
2 stops29h 06mAmerican Airlines
Deal found 9/14$1,838
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 12/1212:30 pmATW - ICN
2 stops36h 45mUnited Airlines
Tue 12/236:00 pmICN - ATW
2 stops35h 33mUnited Airlines
Deal found 9/14$1,843
This oojo deal was found by Cheapflights users on 9/14. 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.
Fri 12/126:08 amATW - ICN
2 stops44h 07mQatar Airways
Mon 12/2212:20 amICN - ATW
2 stops35h 54mQatar Airways
Deal found 9/14$2,669
This Qatar Airways deal was found by Cheapflights users on 9/14. 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.
Mon 10/139:53 amATW - ICN
2 stops41h 12mMultiple Airlines
Sun 10/191:20 amICN - ATW
2 stops34h 20mMultiple Airlines
Deal found 9/14$2,775
This Delta deal was found by Cheapflights users on 9/15. 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 11/35:41 amATW - ICN
1 stop21h 04mDelta
Mon 11/109:35 amICN - ATW
1 stop26h 15mDelta
Deal found 9/15$6,616

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 September 15, 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

Mon 10/13

6:45 pm-3:00 pm

2 stops30h 15m

Incheon Intl

Mon 10/20

4:50 pm-2:08 pm

2 stops35h 18m

$1,474

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Mon 10/13

5:41 am-4:50 pm

1 stop21h 09m

Incheon Intl

Mon 10/20

6:40 pm-9:15 pm

1 stop16h 35m

$1,607

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Fri 12/12

6:24 am-3:30 pm

1 stop18h 06m

Incheon Intl

Tue 12/23

7:30 pm-11:09 pm

1 stop18h 39m

$1,734

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Fri 12/12

6:08 am-4:45 pm

1 stop19h 37m

Incheon Intl

Tue 12/23

7:15 pm-9:21 am

2 stops29h 06m

$1,838

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Fri 12/12

12:30 pm-4:15 pm

2 stops36h 45m

Incheon Intl

Tue 12/23

6:00 pm-2:33 pm

2 stops35h 33m

$1,843

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Fri 12/12

6:08 am-5:15 pm

2 stops44h 07m

Incheon Intl

Mon 12/22

12:20 am-9:14 pm

2 stops35h 54m

$2,669

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Mon 10/13

9:53 am-5:05 pm

2 stops41h 12m

Incheon Intl

Mon 10/20

3:10 pm-9:39 pm

3 stops44h 29m

$3,023

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Mon 11/3

4:17 pm-3:50 pm

2 stops32h 33m

Incheon Intl

Mon 11/10

7:25 pm-10:08 pm

1 stop17h 43m

$6,621

AppletonIncheon

ATW - ICN

ATWICN

Appleton Intl

Mon 11/3

3:48 pm-5:15 pm

2 stops34h 27m

Incheon Intl

Sun 11/9

12:20 am-7:12 pm

2 stops33h 52m

$10,674

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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, February is the cheapest month in which you can book a flight from Oshkosh to Seoul (average of $990). Flying from Oshkosh to Seoul in December is currently the most expensive (average of $1,633). 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 September 15, 2025.

When flying from Oshkosh to Seoul, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 15, 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
8.0
Very good
7,954 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 19h 37m. 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, February is the cheapest month in which you can book a flight from Oshkosh to Seoul (average of $990). Flying from Oshkosh to Seoul in December is currently the most expensive (average of $1,633). 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.

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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$871Average$1,463FlexibilityNo cancel feeOn-time71%
DeltaCheapest$926Average$1,342FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.