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Cheap flights from Peoria, Illinois to Knoxville from $304

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Peoria, Illinois to Knoxville departing on 5/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Peoria, Illinois to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
10:58 am - 6:03 pm
PIA
-
TYS
6h 05m
1 stop
Allegiant Air Logo
8:00 am - 7:55 am
TYS
-
PIA
24h 55m
1 stop
$304Allegiant Air
Sat, May 16 - Wed, May 20
Allegiant Air Logo
8:11 pm - 10:23 pm
PIA
-
TYS
25h 12m
1 stop
Allegiant Air Logo
8:45 am - 10:17 am
TYS
-
PIA
26h 32m
1 stop
$315Allegiant Air
Sat, Jul 11 - Sat, Jul 18
Allegiant Air Logo
7:50 pm - 8:27 pm
PIA
-
TYS
23h 37m
1 stop
Allegiant Air Logo
8:15 am - 6:44 pm
TYS
-
PIA
11h 29m
1 stop
$320Allegiant Air
Thu, Jun 11 - Sun, Jun 14
American Airlines Logo
1:32 pm - 11:55 pm
PIA
-
TYS
9h 23m
2 stops
American Airlines Logo
6:54 pm - 11:13 pm
TYS
-
PIA
5h 19m
1 stop
$324American Airlines
Sat, May 16 - Wed, May 20
American Airlines Logo
6:00 am - 5:07 pm
PIA
-
TYS
10h 07m
2 stops
American Airlines Logo
5:00 am - 1:02 pm
TYS
-
PIA
9h 02m
2 stops
$329American Airlines
Sat, May 16 - Wed, May 20
United Airlines Logo
2:33 pm - 10:34 pm
PIA
-
TYS
7h 01m
1 stop
United Airlines Logo
6:00 am - 10:09 am
TYS
-
PIA
5h 09m
1 stop
$359United Airlines
Fri, Jul 10 - Tue, Jul 14
United Airlines Logo
2:33 pm - 8:56 pm
PIA
-
TYS
5h 23m
1 stop
United Airlines Logo
6:00 am - 10:10 am
TYS
-
PIA
5h 10m
1 stop
$378United Airlines
Wed, Jun 17 - Sun, Jun 21
American Airlines Logo
4:20 pm - 11:47 pm
PIA
-
TYS
6h 27m
1 stop
American Airlines Logo
6:43 pm - 12:38 am
TYS
-
PIA
6h 55m
1 stop
$391American Airlines
Mon, Jun 1 - Sun, Jun 7
United Airlines Logo
5:33 pm - 12:35 am
PIA
-
TYS
6h 02m
1 stop
United Airlines Logo
5:57 pm - 9:10 pm
TYS
-
PIA
4h 13m
1 stop
$409United Airlines
Wed, Jul 1 - Sat, Jul 4
Multiple Airlines Logo
11:07 am - 11:59 am
PIA
-
TYS
23h 52m
2 stops
Multiple Airlines Logo
8:15 am - 6:44 pm
TYS
-
PIA
11h 29m
1 stop
$426Multiple Airlines
Thu, Jun 11 - Sun, Jun 14

Allegiant Air flights from Peoria, Illinois to Knoxville

Our best Allegiant Air deals on Peoria, Illinois to Knoxville flight tickets
Allegiant Air
May 16
PIA10:58 amGreater Peoria
6h 05m
1 stop
TYS6:03 pmKnoxville McGhee Tyson
May 20
TYS8:00 amKnoxville McGhee Tyson
24h 55m
1 stop
PIA7:55 amGreater Peoria
$304
Allegiant Air
Jul 11
PIA8:11 pmGreater Peoria
25h 12m
1 stop
TYS10:23 pmKnoxville McGhee Tyson
Jul 18
TYS8:45 amKnoxville McGhee Tyson
26h 32m
1 stop
PIA10:17 amGreater Peoria
$315
Allegiant Air
Jun 11
PIA7:50 pmGreater Peoria
23h 37m
1 stop
TYS8:27 pmKnoxville McGhee Tyson
Jun 14
TYS8:15 amKnoxville McGhee Tyson
11h 29m
1 stop
PIA6:44 pmGreater Peoria
$320

American Airlines flights from Peoria, Illinois to Knoxville

Our best American Airlines deals on Peoria, Illinois to Knoxville flight tickets
American Airlines
May 16
PIA1:32 pmGreater Peoria
9h 23m
2 stops
TYS11:55 pmKnoxville McGhee Tyson
May 20
TYS6:54 pmKnoxville McGhee Tyson
5h 19m
1 stop
PIA11:13 pmGreater Peoria
$324
American Airlines
May 16
PIA6:00 amGreater Peoria
10h 07m
2 stops
TYS5:07 pmKnoxville McGhee Tyson
May 20
TYS5:00 amKnoxville McGhee Tyson
9h 02m
2 stops
PIA1:02 pmGreater Peoria
$329
American Airlines
Jun 1
PIA4:20 pmGreater Peoria
6h 27m
1 stop
TYS11:47 pmKnoxville McGhee Tyson
Jun 7
TYS6:43 pmKnoxville McGhee Tyson
6h 55m
1 stop
PIA12:38 amGreater Peoria
$391

momondo Fare Finder

 
Customize your flight search to find flights from Peoria, Illinois 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, momondo users made 832,500 searches. Data last updated May 4, 2026.
Use the filters below to find and compare flights from Peoria, Illinois to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Sat 5/16

10:58 am-6:03 pm

1 stop6h 05m

Knoxville McGhee Tyson

Wed 5/20

8:00 am-7:55 am

1 stop24h 55m

$304

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Sat 7/11

8:11 pm-10:23 pm

1 stop25h 12m

Knoxville McGhee Tyson

Sat 7/18

8:45 am-10:17 am

1 stop26h 32m

$315

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Thu 6/11

7:50 pm-8:27 pm

1 stop23h 37m

Knoxville McGhee Tyson

Sun 6/14

8:15 am-6:44 pm

1 stop11h 29m

$320

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Sat 5/16

1:32 pm-11:55 pm

2 stops9h 23m

Knoxville McGhee Tyson

Wed 5/20

6:54 pm-11:13 pm

1 stop5h 19m

$324

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Sat 5/16

6:00 am-5:07 pm

2 stops10h 07m

Knoxville McGhee Tyson

Wed 5/20

5:00 am-1:02 pm

2 stops9h 02m

$329

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Fri 7/10

2:33 pm-10:34 pm

1 stop7h 01m

Knoxville McGhee Tyson

Tue 7/14

6:00 am-10:09 am

1 stop5h 09m

$359

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Wed 6/17

2:33 pm-8:56 pm

1 stop5h 23m

Knoxville McGhee Tyson

Sun 6/21

6:00 am-10:10 am

1 stop5h 10m

$378

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Mon 6/1

4:20 pm-11:47 pm

1 stop6h 27m

Knoxville McGhee Tyson

Sun 6/7

6:43 pm-12:38 am

1 stop6h 55m

$391
Quickest round-trip

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Wed 7/1

5:33 pm-12:35 am

1 stop6h 02m

Knoxville McGhee Tyson

Sat 7/4

5:57 pm-9:10 pm

1 stop4h 13m

$409

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Thu 6/11

11:07 am-11:59 am

2 stops23h 52m

Knoxville McGhee Tyson

Sun 6/14

8:15 am-6:44 pm

1 stop11h 29m

$426

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Knoxville from

How to get the cheapest flight ticket from Peoria, Illinois to Knoxville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Greater Peoria to Knoxville McGhee Tyson?

United Airlines is the most popular carrier operating from Greater Peoria to Knoxville McGhee Tyson

When to book flights from Peoria, Illinois to Knoxville

Are you open to changing your travel dates? Check out the ideal times to fly from Peoria, Illinois to Knoxville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Peoria, Illinois to Knoxville (PIA to TYS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Peoria, Illinois to Knoxville

Fastest flight time

3h 51m

Direct flights

None
The fastest flight from Peoria, Illinois to Knoxville takes 3h 51m
There are no direct flights from Peoria, Illinois to Knoxville. There are no popular flight routes from Peoria, Illinois to Knoxville.
Search flight deals

Frequently asked questions about flying from Peoria, Illinois to Knoxville

  • How far is Greater Peoria to Knoxville McGhee Tyson by plane?

    The distance between Greater Peoria and Knoxville McGhee Tyson is about 448.2 mi. Flights usually cover this in 3h 51m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Greater Peoria Airport to Knoxville McGhee Tyson Airport?

    Prices for flights from Greater Peoria Airport to Knoxville McGhee Tyson Airport are updated daily.

  • How many operators does momondo search for flights from Greater Peoria Airport to Knoxville McGhee Tyson Airport?

  • How old do you have to be to fly from Greater Peoria Airport to Knoxville McGhee Tyson Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Greater Peoria Airport to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The travel and health documents you'll need for your trip to Knoxville McGhee Tyson Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Peoria, Illinois to Knoxville?

Best airlines flying from Peoria, Illinois to Knoxville

Compare and see reviews for airlines that fly from Peoria, Illinois to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $233Free CancellationRating
7.1
11,672 reviews
Search American Airlines flights

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Alcoa
Crossville
Maryville
Murphy
Oak Ridge
Lenoir City
Newport
Kodak
Dandridge
Clinton
Jefferson City
Rockford

Why use momondo?

Why should I use momondo to find a flight deal from Peoria to Knoxville?

Finding the right flight to Knoxville from Peoria is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knoxville quick and easy, saving you time and money.

Can I find flights from Peoria to Knoxville with flexible booking policies on momondo?

All flight searches from Peoria to Knoxville on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Peoria to Knoxville?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Knoxville from Peoria.

I’m not ready to book a flight from Peoria to Knoxville right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Knoxville from Peoria. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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