Oshkosh

$159+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — MKE
Oct 11 — Oct 181
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Cheap flight deals from Knoxville to Oshkosh

Keep the following information in mind while searching for Knoxville to Oshkosh flight deals. Data was last updated September 11, 2025.

Round-trip from

$515
(Kiwi.com)

One-way from

$159
(American Airlines)
From Knoxville McGhee Tyson to Oshkosh
One-way flight from Knoxville McGhee Tyson to Oshkosh

Find 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/8. 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.
Fri 10/33:40 pmTYS - ATW
1 stop25h 25mAllegiant Air
Wed 10/89:00 amATW - TYS
1 stop9h 02mAllegiant Air
Deal found 9/8$515
This American Airlines deal was found by Cheapflights users on 9/9. 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 10/32:07 pmTYS - ATW
1 stop8h 25mAmerican Airlines
Wed 10/86:30 amATW - TYS
1 stop5h 54mAmerican Airlines
Deal found 9/9$546

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 September 11, 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

Fri 10/3

3:40 pm-4:05 pm

1 stop25h 25m

Appleton Intl

Wed 10/8

9:00 am-7:02 pm

1 stop9h 02m

$515

KnoxvilleAppleton

TYS - ATW

TYSATW

Knoxville McGhee Tyson

Fri 10/3

2:07 pm-9:32 pm

1 stop8h 25m

Appleton Intl

Wed 10/8

6:30 am-1:24 pm

1 stop5h 54m

$546

KnoxvilleAppleton

TYS - ATW

TYSATW

Knoxville McGhee Tyson

Tue 12/2

7:20 pm-11:25 pm

1 stop5h 05m

$159

KnoxvilleAppleton

TYS - ATW

TYSATW

Knoxville McGhee Tyson

Mon 10/20

11:24 am-2:05 pm

1 stop27h 41m

$162

KnoxvilleAppleton

TYS - ATW

TYSATW

Knoxville McGhee Tyson

Tue 12/2

5:25 am-11:40 am

2 stops7h 15m

$164

KnoxvilleAppleton

TYS - ATW

TYSATW

Knoxville McGhee Tyson

Mon 10/20

4:40 pm-3:11 pm

2 stops23h 31m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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, February is the cheapest month in which you can book a flight from Knoxville to Oshkosh (average of $280). Flying from Knoxville to Oshkosh in June is currently the most expensive (average of $376). 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 September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Knoxville to Oshkosh as you normally would.

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 September 11, 2025.
Read reviews from past customers who have flown Delta 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.
8.0
Very good

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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!
8.0
Very good
8.0
Very good

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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!
8.0
Very good

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

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 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 Allegiant Air and American Airlines fly from Knoxville to Oshkosh in about 8h 25m. The time it takes to get you to your destination can typically vary by up to 17h. The distance between Knoxville and Oshkosh is about 630 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Knoxville to Oshkosh one-way?

    The cheapest airlines for a one-way flight from Knoxville to Oshkosh are American Airlines ($159), Allegiant Air ($162), and Delta ($164).

  • 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, February is the cheapest month in which you can book a flight from Knoxville to Oshkosh (average of $280). Flying from Knoxville to Oshkosh in June is currently the most expensive (average of $376). 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 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$200Average$323FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$208Average$367FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$208Average$427FlexibilityNo cancel feeOn-time71%

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