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$159+ Cheap flights from Peoria, IL to Knoxville (PIA - TYS)

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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — TYS
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheap flight deals from Peoria to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Peoria (PIA) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$229
(American Airlines)

One-way from

$159
(Kiwi.com)

Popular in

August

Cheapest in

July

Average price

$348
Provider with most accurate pricing for Greater Peoria-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for Greater Peoria-Knoxville McGhee Tyson flights.
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From Greater Peoria to Knoxville McGhee Tyson
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One-way flight from Greater Peoria to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 0% potential increase in price ($0 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Peoria to Knoxville

Cheapest flights from Peoria to Knoxville
Explore the most affordable flight options available from Peoria to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This American Airlines deal was found by Cheapflights users on 11/12. 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 12/124:19 pmPIA - TYS
1 stop6h 40mAmerican Airlines
Tue 12/167:23 pmTYS - PIA
1 stop5h 08mAmerican Airlines
Deal found 11/12$229
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Thu 11/2011:02 amPIA - TYS
1 stop20h 01mAllegiant Air
Wed 12/177:02 pmTYS - PIA
1 stop25h 21mAllegiant Air
Deal found 11/11$259
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 11/213:33 pmPIA - TYS
1 stop26h 37mMultiple Airlines
Wed 12/177:02 pmTYS - PIA
1 stop25h 21mMultiple Airlines
Deal found 11/11$260
This United Airlines deal was found by Cheapflights users on 11/11. 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 11/245:23 pmPIA - TYS
1 stop4h 32mUnited Airlines
Wed 12/177:00 amTYS - PIA
1 stop5h 59mUnited Airlines
Deal found 11/11$264
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 11/213:33 pmPIA - TYS
1 stop26h 37mMultiple Airlines
Fri 12/194:24 pmTYS - PIA
1 stop16h 36mMultiple Airlines
Deal found 11/10$267
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 12/612:36 pmPIA - TYS
1 stop27h 16mAllegiant Air
Wed 12/246:40 pmTYS - PIA
1 stop25h 08mAllegiant Air
Deal found 11/10$268
This American Airlines deal was found by Cheapflights users on 11/11. 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 11/246:00 amPIA - TYS
2 stops8h 07mAmerican Airlines
Wed 12/175:09 pmTYS - PIA
1 stop7h 22mAmerican Airlines
Deal found 11/11$269
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Thu 11/2710:45 amPIA - TYS
1 stop5h 44mAllegiant Air
Fri 12/194:24 pmTYS - PIA
1 stop16h 36mAllegiant Air
Deal found 11/10$270
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Thu 11/2710:45 amPIA - TYS
1 stop5h 44mAllegiant Air
Wed 12/177:02 pmTYS - PIA
1 stop25h 21mAllegiant Air
Deal found 11/11$273
This United Airlines deal was found by Cheapflights users on 11/11. 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 11/173:30 pmPIA - TYS
1 stop4h 03mUnited Airlines
Wed 12/177:00 amTYS - PIA
1 stop4h 09mUnited Airlines
Deal found 11/11$274
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 11/213:33 pmPIA - TYS
1 stop26h 37mMultiple Airlines
Sat 12/203:45 pmTYS - PIA
1 stop19h 01mMultiple Airlines
Deal found 11/10$277
This Kiwi.com deal was found by Cheapflights users on 11/10. 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.
Thu 11/2710:45 amPIA - TYS
1 stop5h 44mAllegiant Air
Sat 12/203:45 pmTYS - PIA
1 stop19h 01mAllegiant Air
Deal found 11/10$279

Cheapflights Fare Finder

 
Customize your flight search to find flights from Peoria to Knoxville 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 November 13, 2025.
Use the filters below to find and compare flights from Peoria to Knoxville that are best for you.

Fly from

Peoria

Fly to

Knoxville

Route

Depart

Return

Price

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Fri 12/12

4:19 pm-11:59 pm

1 stop6h 40m

Knoxville McGhee Tyson

Tue 12/16

7:23 pm-11:31 pm

1 stop5h 08m

$229

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Mon 11/24

5:23 pm-10:55 pm

1 stop4h 32m

Knoxville McGhee Tyson

Wed 12/17

7:00 am-11:59 am

1 stop5h 59m

$264

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Mon 11/24

6:00 am-3:07 pm

2 stops8h 07m

Knoxville McGhee Tyson

Wed 12/17

5:09 pm-11:31 pm

1 stop7h 22m

$269

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Thu 11/27

10:45 am-5:29 pm

1 stop5h 44m

Knoxville McGhee Tyson

Wed 12/17

7:02 pm-7:23 pm

1 stop25h 21m

$273

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Wed 11/26

4:56 pm-5:29 pm

1 stop23h 33m

Knoxville McGhee Tyson

Wed 12/17

7:02 pm-7:23 pm

1 stop25h 21m

$283

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Wed 2/18

1:25 pm-9:10 pm

1 stop6h 45m

Knoxville McGhee Tyson

Sat 2/21

6:45 am-10:16 am

1 stop4h 31m

$289

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Sat 3/7

1:24 pm-8:54 pm

1 stop6h 30m

Knoxville McGhee Tyson

Wed 3/11

7:00 am-12:43 pm

1 stop6h 43m

$289

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Tue 11/25

6:42 pm-2:22 pm

1 stop18h 40m

Knoxville McGhee Tyson

Sat 12/20

3:45 pm-9:46 am

1 stop19h 01m

$293

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Tue 12/2

1:15 pm-9:04 pm

1 stop6h 49m

Knoxville McGhee Tyson

Thu 12/25

6:45 am-12:20 pm

1 stop6h 35m

$304

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Tue 11/25

6:42 pm-2:22 pm

1 stop18h 40m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 17 results
1
2

Compare providers for flights from Peoria to Knoxville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Peoria to Knoxville in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Peoria, Illinois-Knoxville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Peoria, Illinois-Knoxville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Peoria, Illinois-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Peoria, Illinois-Knoxville flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Peoria, Illinois-Knoxville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Peoria to Knoxville

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

What is the cheapest month to book a flight from Peoria, Illinois to Knoxville?

Currently, May is the cheapest month in which you can book a flight from Peoria, Illinois to Knoxville (average of $124). Flying from Peoria, Illinois to Knoxville in November is currently the most expensive (average of $271). 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.

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated November 13, 2025.
See what other customers who have flown with American Airlines from Peoria to Knoxville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,050 reviews

Crew

8.0

Overall

7.2

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Food

6.4

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.2
Good
11,050 reviews
American Airlines
7.2
Good
11,050 reviews

Crew

8.0

Overall

7.2

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Food

6.4

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

Related info for your journey

Find useful and relevant information for your journey from Peoria to Knoxville. 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 Peoria, Illinois to Knoxville?

    Departing from Peoria, Illinois to Knoxville will take you 4h 32m. Airlines will cover a distance of 456 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Peoria, Illinois to Knoxville round-trip?

    Our cheapest airline available from Peoria, Illinois to Knoxville is American Airlines. Our recent data shows that you can find tickets from as low as $228 on this airline. American Airlines is priced at 32% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Peoria to Knoxville 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 Peoria, Illinois to Knoxville?

    Currently, May is the cheapest month in which you can book a flight from Peoria, Illinois to Knoxville (average of $124). Flying from Peoria, Illinois to Knoxville in November is currently the most expensive (average of $271). 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

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Morristown
Cherokee
Crossville
Corbin
Bryson City
Alcoa
Oak Ridge
Murphy

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Top airline flying from Peoria to Knoxville

Discover the top airline that operate flights from Peoria to Knoxville. 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$288FlexibilityNo cancel feeOn-time71%

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