$128+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — MKE
Jul 22 — Jul 291
Round-trip
1 adult, Economy
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One-way
Cheapest flights from Knoxville to OshkoshExplore 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 June 22, 2026.
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 June 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/298:00 am
TYS
- ATW
1 stop5h 52m
Allegiant Air
Sat 8/110:12 am
ATW
- TYS
1 stop11h 45m
Allegiant Air
Deal found 6/17![Allegiant Air logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Mon 8/33:48 pm
TYS
- ATW
1 stop7h 46m
Allegiant Air
Fri 8/79:36 am
ATW
- TYS
1 stop23h 50m
Allegiant Air
Deal found 6/21![Allegiant Air logo]()
$268
This Delta deal was found by Cheapflights users on 6/18. 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 7/13:36 pm
TYS
- ATW
1 stop7h 04m
Delta
Tue 7/75:31 am
ATW
- TYS
1 stop6h 45m
Delta
Deal found 6/18![Delta logo]()
$315
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 7/248:30 am
TYS
- ATW
1 stop10h 24m
Allegiant Air
Sat 7/2510:12 am
ATW
- TYS
1 stop11h 45m
Allegiant Air
Deal found 6/19![Allegiant Air logo]()
$317
This American Airlines deal was found by Cheapflights users on 6/18. 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.
Sat 7/184:40 pm
TYS
- ATW
2 stops8h 30m
American Airlines
Tue 7/215:00 am
ATW
- TYS
1 stop6h 30m
American Airlines
Deal found 6/18![American Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Sun 7/199:11 pm
TYS
- ATW
1 stop12h 35m
Allegiant Air
Tue 7/211:51 pm
ATW
- TYS
1 stop22h 42m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$356
Best flights from Knoxville to OshkoshDiscover carefully curated flight deals from Knoxville to Oshkosh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 22, 2026.
Discover carefully curated flight deals from Knoxville to Oshkosh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/298:00 am
TYS
- ATW
1 stop5h 52m
Allegiant Air
Sat 8/110:12 am
ATW
- TYS
1 stop11h 45m
Allegiant Air
Deal found 6/17![Allegiant Air logo]()
$259
This American Airlines deal was found by Cheapflights users on 6/18. 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.
Sat 7/184:40 pm
TYS
- ATW
2 stops8h 30m
American Airlines
Tue 7/215:00 am
ATW
- TYS
2 stops9h 42m
American Airlines
Deal found 6/18![American Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 6/21. 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.
Thu 7/23:36 pm
TYS
- ATW
1 stop7h 04m
Delta
Tue 7/72:05 pm
ATW
- TYS
2 stops8h 47m
Delta
Deal found 6/21![Delta logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 6/21. 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.
Mon 8/33:48 pm
TYS
- ATW
1 stop7h 46m
Allegiant Air
Fri 8/79:36 am
ATW
- TYS
1 stop23h 50m
Allegiant Air
Deal found 6/21![Allegiant Air logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 7/247:30 am
TYS
- ATW
2 stops16h 04m
Allegiant Air
Sat 7/2510:12 am
ATW
- TYS
1 stop11h 45m
Allegiant Air
Deal found 6/19![Allegiant Air logo]()
$350
This Delta deal was found by Cheapflights users on 6/20. 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.
Sun 7/57:15 am
TYS
- ATW
1 stop4h 14m
Delta
Thu 7/95:31 am
ATW
- TYS
1 stop4h 39m
Delta
Deal found 6/20![Delta logo]()
$411
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Sun 7/199:11 pm
TYS
- ATW
1 stop12h 35m
Allegiant Air
Wed 7/224:00 pm
ATW
- TYS
1 stop29h 24m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$403
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Sat 7/186:00 am
TYS
- ATW
1 stop8h 34m
Allegiant Air
Sun 7/192:44 pm
ATW
- TYS
1 stop29h 31m
Allegiant Air
Deal found 6/17![Allegiant Air logo]()
$470
Last-minute flights from Knoxville to OshkoshDiscover last-minute flight deals from Knoxville to Oshkosh. Data last updated June 22, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Oshkosh. Data last updated June 22, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/18. 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 7/13:36 pm
TYS
- ATW
1 stop7h 04m
Delta
Tue 7/75:31 am
ATW
- TYS
1 stop6h 45m
Delta
Deal found 6/18![Delta logo]()
$315
This Delta deal was found by Cheapflights users on 6/21. 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.
Thu 7/26:45 am
TYS
- ATW
1 stop5h 02m
Delta
Tue 7/75:31 am
ATW
- TYS
1 stop4h 39m
Delta
Deal found 6/21![Delta logo]()
$369
This American Airlines deal was found by Cheapflights users on 6/18. 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.
Sat 7/184:40 pm
TYS
- ATW
2 stops8h 30m
American Airlines
Tue 7/215:00 am
ATW
- TYS
1 stop6h 30m
American Airlines
Deal found 6/18![American Airlines logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Sun 7/199:11 pm
TYS
- ATW
1 stop12h 35m
Allegiant Air
Tue 7/211:51 pm
ATW
- TYS
1 stop22h 42m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 7/248:30 am
TYS
- ATW
1 stop10h 24m
Allegiant Air
Sat 7/2510:12 am
ATW
- TYS
1 stop11h 45m
Allegiant Air
Deal found 6/19![Allegiant Air logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/298:00 am
TYS
- ATW
1 stop5h 52m
Allegiant Air
Sat 8/110:12 am
ATW
- TYS
1 stop11h 45m
Allegiant Air
Deal found 6/17![Allegiant Air logo]()
$259
One-way flights from Knoxville to OshkoshSearch for one-way flight options from Knoxville to Oshkosh. Find affordable one-way fares based on user searches. Data last updated June 22, 2026.
Search for one-way flight options from Knoxville to Oshkosh. Find affordable one-way fares based on user searches. Data last updated June 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/20. 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.
Sun 8/26:54 pm
TYS
- ATW
1 stop28h 40m
Allegiant Air
Deal found 6/20![Allegiant Air logo]()
$128
This American Airlines deal was found by Cheapflights users on 6/18. 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.
Tue 7/216:32 pm
TYS
- ATW
1 stop6h 38m
American Airlines
Deal found 6/18![American Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/228:00 am
TYS
- ATW
1 stop5h 52m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$187
This Delta deal was found by Cheapflights users on 6/18. 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 7/225:40 am
TYS
- ATW
2 stops6h 07m
Delta
Deal found 6/18![Delta logo]()
$190
This Delta deal was found by Cheapflights users on 6/17. 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 7/66:08 pm
TYS
- ATW
1 stop5h 22m
Delta
Deal found 6/17![Delta logo]()
$200
This Delta deal was found by Cheapflights users on 6/18. 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 7/213:54 pm
TYS
- ATW
2 stops6h 43m
Delta
Deal found 6/18![Delta logo]()
$215
This United Airlines deal was found by Cheapflights users on 6/20. 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 7/66:00 am
TYS
- ATW
1 stop6h 43m
United Airlines
Deal found 6/20![United Airlines logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 6/18. 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.
Tue 7/215:00 pm
TYS
- ATW
3 stops30h 34m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$253
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 June 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $259 (Kiwi.com) |
One-way from | $128 (Kiwi.com) |
Popular in | November |
Cheapest in | January |
Average price | $370 |
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 June 22, 2026.
Use the filters below to find and compare flights from Knoxville to Oshkosh that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvilleAppleton
TYS - ATW
TYSATW
Knoxville McGhee Tyson
Wed 7/29
8:00 am-12:52 pm
1 stop5h 52m
Appleton Intl
Sat 8/1
10:12 am-10:57 pm
1 stop11h 45m
$259
KnoxvilleAppleton
TYS - ATW
TYSATW
Knoxville McGhee Tyson
Mon 8/3
3:48 pm-10:34 pm
1 stop7h 46m
Appleton Intl
Fri 8/7
9:36 am-10:26 am
1 stop23h 50m
$268
KnoxvilleAppleton
TYS - ATW
TYSATW
Knoxville McGhee Tyson
Fri 7/24
7:30 am-10:34 pm
2 stops16h 04m
Appleton Intl
Sat 7/25
10:12 am-10:57 pm
1 stop11h 45m
$350
KnoxvilleAppleton
TYS - ATW
TYSATW
Knoxville McGhee Tyson
Sat 7/18
4:40 pm-12:10 am
2 stops8h 30m
Appleton Intl
Tue 7/21
5:00 am-3:42 pm
2 stops9h 42m
$351
KnoxvilleAppleton
TYS - ATW
TYSATW
Knoxville McGhee Tyson
Thu 7/2
3:36 pm-9:40 pm
1 stop7h 04m
Appleton Intl
Tue 7/7
2:05 pm-11:52 pm
2 stops8h 47m
$374
KnoxvilleAppleton
TYS - ATW
TYSATW
Knoxville McGhee Tyson
Sun 7/19
9:11 pm-8:46 am
1 stop12h 35m
Appleton Intl
Wed 7/22
4:00 pm-10:24 pm
1 stop29h 24m
$403
Quickest round-trip
KnoxvilleAppleton
TYS - ATW
TYSATW
Knoxville McGhee Tyson
Sun 7/5
7:15 am-10:29 am
1 stop4h 14m
Appleton Intl
Thu 7/9
5:31 am-11:10 am
1 stop4h 39m
$411
KnoxvilleAppleton
TYS - ATW
TYSATW
Knoxville McGhee Tyson
Sat 7/18
6:00 am-1:34 pm
1 stop8h 34m
Appleton Intl
Sun 7/19
2:44 pm-9:15 pm
1 stop29h 31m
$470
Cheapest one-way
KnoxvilleAppleton
TYS - ATW
TYSATW
Knoxville McGhee Tyson
Sun 8/2
6:54 pm-10:34 pm
1 stop28h 40m
$128
KnoxvilleAppleton
TYS - ATW
TYSATW
Knoxville McGhee Tyson
Tue 7/21
6:32 pm-12:10 am
1 stop6h 38m
$185
Showing 1-10 of 16 resultsSorted by cheapest first
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.
TYS-ATW
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
TYS-OS9
TYS-ATW
How much does it cost to fly round-trip from Knoxville to Oshkosh?
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 June 22, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican 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.
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.8
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.8
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.8
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Food
7.2
Comfort
7.8
Overall
7.8
Entertainment
7.8
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
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Knoxville and Oshkosh flights
Browse other Knoxville and Oshkosh flight options. Last updated on June 22, 2026.
Other flights from Knoxville
Browse through other flights departing from Knoxville. Flights are based on user searches made on Cheapflights and were last updated on June 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Knoxville to Oshkosh flights
Consider these flights traveling from Knoxville to Oshkosh.
Top 4 airlines flying from Knoxville to Oshkosh
Discover the top 4 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 June 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$194 | Average$325 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$204 | Average$334 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$208 | Average$423 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$274 | Average$304 | FlexibilityNo cancel fee | On-time63% |