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Oshkosh

$222+ Cheap flights from Knoxville (TYS) to Oshkosh, WI

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — MKE
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from Knoxville to Oshkosh

Cheapest flights from Knoxville to Oshkosh
Explore the most affordable flight options available from Knoxville to Oshkosh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:08 pmTYS - ATW
1 stop7h 19mAmerican Airlines
Sun 12/215:00 amATW - TYS
1 stop6h 52mAmerican Airlines
Deal found 12/15$354
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:35 pmTYS - ATW
1 stop5h 02mUnited Airlines
Sun 12/215:23 pmATW - TYS
1 stop4h 16mUnited Airlines
Deal found 12/15$412
This American Airlines deal was found by Cheapflights users on 12/14. 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.
Sun 12/285:42 amTYS - ATW
2 stops10h 46mAmerican Airlines
Sat 1/37:27 pmATW - TYS
1 stop14h 23mAmerican Airlines
Deal found 12/14$437
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1711:32 amTYS - ATW
1 stop11h 30mAllegiant Air
Fri 12/1910:53 amATW - TYS
1 stop10h 00mAllegiant Air
Deal found 12/14$448

Find flight deals from Knoxville to Oshkosh

Keep the following information in mind while searching for Knoxville to Oshkosh flight deals. Data was last updated December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$269
(Delta)

One-way from

$222
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$375
Provider with most accurate pricing for Knoxville McGhee Tyson-Appleton Intl flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Appleton Intl flights.
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From Knoxville McGhee Tyson to Oshkosh
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One-way flight from Knoxville McGhee Tyson to Oshkosh
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Highest demand for flights based on searches. 19% potential increase in price ($111 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Oshkosh 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 16, 2025.
Use the filters below to find and compare flights from Knoxville to Oshkosh that are best for you.

Fly from

Knoxville

Fly to

Oshkosh

Route

Depart

Return

Price

KnoxvilleAppleton

TYS - ATW

TYSATW

Knoxville McGhee Tyson

Thu 4/9

6:35 am-11:20 am

1 stop5h 45m

Appleton Intl

Sat 4/18

4:05 pm-10:56 pm

1 stop5h 51m

$269

KnoxvilleAppleton

TYS - ATW

TYSATW

Knoxville McGhee Tyson

Thu 4/9

2:15 pm-8:57 pm

1 stop7h 42m

Appleton Intl

Sat 4/18

11:27 am-9:39 pm

2 stops9h 12m

$274

KnoxvilleAppleton

TYS - ATW

TYSATW

Knoxville McGhee Tyson

Thu 4/9

6:35 am-11:20 am

1 stop5h 45m

Appleton Intl

Sun 4/19

5:29 am-11:06 am

1 stop4h 37m

$314

KnoxvilleAppleton

TYS - ATW

TYSATW

Knoxville McGhee Tyson

Thu 4/9

2:15 pm-8:57 pm

1 stop7h 42m

Appleton Intl

Sun 4/19

5:00 am-11:59 am

1 stop5h 59m

$328

KnoxvilleAppleton

TYS - ATW

TYSATW

Knoxville McGhee Tyson

Sat 12/20

1:21 pm-10:28 pm

1 stop10h 07m

$222

KnoxvilleAppleton

TYS - ATW

TYSATW

Knoxville McGhee Tyson

Sat 12/20

5:23 am-3:28 pm

2 stops11h 05m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Best time to book a flight from Knoxville to Oshkosh

Have a flexible travel schedule? Discover the best time to fly to Oshkosh from Knoxville 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 Knoxville to Oshkosh

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

Currently, July is the cheapest month in which you can book a flight from Knoxville to Oshkosh (average of $166). Flying from Knoxville to Oshkosh in March is currently the most expensive (average of $219). 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 TYS to OS9?

Find hourly flight availability from Knoxville to Oshkosh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Knoxville to Oshkosh at noon. If you’re flexible enough to do this you can expect to save up to 25% on your trip compared to booking a flight in the evening.

Reviews of airlines servicing Oshkosh

Get insights into the airlines that provide service to Oshkosh. 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 Oshkosh. Reviews last updated December 16, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Knoxville to Oshkosh. 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
8,008 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Crew

8.5

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
8,008 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Crew

8.5

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.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Crew

8.5

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.
American Airlines
7.2
Good
11,049 reviews
Delta
7.9
Good
8,008 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Crew

8.5

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 Knoxville to Oshkosh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Knoxville to Oshkosh?

    Knoxville McGhee Tyson (TYS), located 11.3 mi from the city center, is the airport you fly out of when you book flights from Knoxville to Oshkosh. 3 airlines have flights from McGhee Tyson to Oshkosh on a regular basis. Booking flights from Knoxville McGhee Tyson to Oshkosh should not be difficult; the airport handles an average of 0 outbound flights to Oshkosh per day.

  • How long is the flight from Knoxville to Oshkosh?

    Airlines like Delta and American Airlines fly from Knoxville to Oshkosh in about 5h 45m. The time it takes to get you to your destination can typically vary by up to 1h 57m. The distance between Knoxville and Oshkosh is about 630 mi. This flight may include one or multiple stops.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Knoxville to Oshkosh (average of $166). Flying from Knoxville to Oshkosh in March is currently the most expensive (average of $219). 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.

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Top 3 airlines flying from Knoxville to Oshkosh

Discover the top 3 airlines that operate flights from Knoxville to Oshkosh. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$196Average$354FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$198Average$372FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$208Average$416FlexibilityNo cancel feeOn-time71%

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