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Cheap flights from Knoxville to Peoria from $163

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Peoria departing on 11/26. 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 Knoxville to Peoria

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
8:26 am - 12:39 pmTYS-PIA
5h 13m1 stop
United Airlines Logo
10:51 am - 5:08 pmPIA-TYS
5h 17m1 stop
$255United Airlines
Find Deal
Fri, Nov 21 - Mon, Nov 24
American Airlines Logo
5:10 am - 10:13 amTYS-PIA
6h 03m1 stop
American Airlines Logo
6:25 pm - 11:51 pmPIA-TYS
4h 26m1 stop
$259American Airlines
Find Deal
Tue, Nov 18 - Sat, Nov 22
American Airlines Logo
12:46 pm - 6:59 pmTYS-PIA
7h 13m2 stops
American Airlines Logo
6:25 pm - 11:51 pmPIA-TYS
4h 26m1 stop
$264American Airlines
Find Deal
Tue, Nov 18 - Sat, Nov 22
American Airlines Logo
7:40 am - 1:35 pmTYS-PIA
6h 55m1 stop
American Airlines Logo
6:10 am - 3:35 pmPIA-TYS
8h 25m1 stop
$289American Airlines
Find Deal
Sat, Feb 21 - Tue, Feb 24
American Airlines Logo
7:40 am - 1:35 pmTYS-PIA
6h 55m1 stop
American Airlines Logo
6:00 am - 5:32 pmPIA-TYS
10h 32m2 stops
$294American Airlines
Find Deal
Sat, Feb 21 - Tue, Feb 24
Allegiant Air Logo
6:30 am - 9:15 amTYS-PIA
27h 45m1 stop
Allegiant Air Logo
9:59 am - 10:40 pmPIA-TYS
11h 41m1 stop
$305Allegiant Air
Find Deal
Tue, Nov 25 - Mon, Dec 1
Multiple Airlines Logo
6:30 am - 9:15 amTYS-PIA
27h 45m1 stop
Multiple Airlines Logo
8:48 pm - 12:03 pmPIA-TYS
38h 15m2 stops
$321Multiple Airlines
Find Deal
Tue, Nov 25 - Mon, Dec 1
Allegiant Air Logo
6:46 pm - 8:09 amTYS-PIA
14h 23m1 stop
Allegiant Air Logo
7:30 pm - 9:09 pmPIA-TYS
24h 39m1 stop
$358Allegiant Air
Find Deal
Wed, Nov 26 - Sun, Nov 30
American Airlines Logo
2:53 pm - 11:21 pmTYS-PIA
9h 28m2 stops
American Airlines Logo
6:00 am - 3:30 pmPIA-TYS
8h 30m2 stops
$361American Airlines
Find Deal
Sat, Feb 21 - Tue, Feb 24
United Airlines Logo
6:45 am - 12:20 pmTYS-PIA
6h 35m1 stop
United Airlines Logo
5:19 pm - 10:17 amPIA-TYS
15h 58m1 stop
$443United Airlines
Find Deal
Wed, Dec 24 - Fri, Dec 26

American Airlines flights from Knoxville to Peoria, Illinois

Our best American Airlines deals on Knoxville to Peoria, Illinois flight tickets
American Airlines
Nov 18
TYS5:10 amKnoxville McGhee Tyson
6h 03m
1 stop
PIA10:13 amGreater Peoria
Nov 22
PIA6:25 pmGreater Peoria
4h 26m
1 stop
TYS11:51 pmKnoxville McGhee Tyson
$259
Find similar
American Airlines
Nov 18
TYS12:46 pmKnoxville McGhee Tyson
7h 13m
2 stops
PIA6:59 pmGreater Peoria
Nov 22
PIA6:25 pmGreater Peoria
4h 26m
1 stop
TYS11:51 pmKnoxville McGhee Tyson
$264
Find similar
American Airlines
Feb 21
TYS7:40 amKnoxville McGhee Tyson
6h 55m
1 stop
PIA1:35 pmGreater Peoria
Feb 24
PIA6:10 amGreater Peoria
8h 25m
1 stop
TYS3:35 pmKnoxville McGhee Tyson
$289
Find similar

Allegiant Air flights from Knoxville to Peoria, Illinois

Our best Allegiant Air deals on Knoxville to Peoria, Illinois flight tickets
Allegiant Air
Nov 25
TYS6:30 amKnoxville McGhee Tyson
27h 45m
1 stop
PIA9:15 amGreater Peoria
Dec 1
PIA9:59 amGreater Peoria
11h 41m
1 stop
TYS10:40 pmKnoxville McGhee Tyson
$305
Find similar
Allegiant Air
Nov 26
TYS6:46 pmKnoxville McGhee Tyson
14h 23m
1 stop
PIA8:09 amGreater Peoria
Nov 30
PIA7:30 pmGreater Peoria
24h 39m
1 stop
TYS9:09 pmKnoxville McGhee Tyson
$358
Find similar
Allegiant Air
Nov 26
TYS6:46 pmKnoxville McGhee Tyson
14h 23m
1 stop
PIA8:09 amGreater Peoria
Nov 30
PIA7:30 pmGreater Peoria
24h 39m
1 stop
TYS9:09 pmKnoxville McGhee Tyson
$367
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to Peoria, Illinois 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 November 4, 2025.
Use the filters below to find and compare flights from Knoxville to Peoria, Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Fri 11/21

8:26 am-12:39 pm

1 stop5h 13m

Greater Peoria

Mon 11/24

10:51 am-5:08 pm

1 stop5h 17m

$255

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Tue 11/18

5:10 am-10:13 am

1 stop6h 03m

Greater Peoria

Sat 11/22

6:25 pm-11:51 pm

1 stop4h 26m

$259

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Tue 11/18

12:46 pm-6:59 pm

2 stops7h 13m

Greater Peoria

Sat 11/22

6:25 pm-11:51 pm

1 stop4h 26m

$264

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sat 2/21

7:40 am-1:35 pm

1 stop6h 55m

Greater Peoria

Tue 2/24

6:10 am-3:35 pm

1 stop8h 25m

$289

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sat 2/21

7:40 am-1:35 pm

1 stop6h 55m

Greater Peoria

Tue 2/24

6:00 am-5:32 pm

2 stops10h 32m

$294

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Tue 11/25

6:30 am-9:15 am

1 stop27h 45m

Greater Peoria

Mon 12/1

9:59 am-10:40 pm

1 stop11h 41m

$305

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Tue 11/25

6:30 am-9:15 am

1 stop27h 45m

Greater Peoria

Mon 12/1

8:48 pm-12:03 pm

2 stops38h 15m

$321

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Wed 11/26

6:46 pm-8:09 am

1 stop14h 23m

Greater Peoria

Sun 11/30

7:30 pm-9:09 pm

1 stop24h 39m

$358

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sat 2/21

2:53 pm-11:21 pm

2 stops9h 28m

Greater Peoria

Tue 2/24

6:00 am-3:30 pm

2 stops8h 30m

$361

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Wed 12/24

6:45 am-12:20 pm

1 stop6h 35m

Greater Peoria

Fri 12/26

5:19 pm-10:17 am

1 stop15h 58m

$443

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 Peoria from

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

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 typical price of a round-trip flight between Knoxville and Peoria, Illinois?

What is the cheapest month to fly to Peoria, Illinois?

The cheapest month to fly to Peoria, Illinois from Knoxville is in January. Flight prices, which tend to average around $238, are often lower during this time because this is during the off-season. If you’re not able to fly to Peoria, Illinois in January, then August is your next best option. Flight prices from Knoxville to Peoria, Illinois during August average around $258.

What is the cheapest day to depart on your flight to Peoria, Illinois?

Our data shows that Wednesday is the least expensive day to fly to Peoria, Illinois. Tickets to fly out on this day can be as low as $298. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $442. These prices are subject to change though, so be sure to set up a Price Alert for flights to Peoria, Illinois.

What is the cheapest time of day to depart on your flight to Peoria, Illinois?

Our most recent data shows that the best time of day to fly to Peoria, Illinois is in the morning. Flights from Knoxville to Peoria, Illinois during this time can be as low as $318. Try not to purchase tickets in the afternoon because they tend to be around $434. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Knoxville to Peoria, Illinois

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

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

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

Direct flights

None
There are no direct flights from Knoxville to Peoria, Illinois. There are no popular flight routes from Knoxville to Peoria, Illinois.
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  • How far is Knoxville McGhee Tyson to Greater Peoria by plane?

    The straight-line distance from Knoxville McGhee Tyson to Greater Peoria is 448.2 mi. Typically, this will take 4h 31m by plane in normal conditions.

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

    Prices for flights from Knoxville McGhee Tyson Airport to Greater Peoria Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Greater Peoria Airport.

  • What documentation or ID do you need to fly to Greater Peoria Airport?

    The necessary travel and health documents for your Greater Peoria Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Knoxville to Peoria, Illinois

Compare and see reviews for airlines that fly from Knoxville to Peoria, Illinois with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,002 reviews
Search United Airlines flights
American AirlinesPriceFrom $228Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights

Traveling to a place near Peoria?

Book flights to Peoria if you plan to visit one of these locations
Canton

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Knoxville to Peoria. momondo saves you time and could save you money on your trip.

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

Flights from Knoxville to Peoria with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Knoxville and Peoria by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Knoxville to Peoria now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Peoria and let you know when they change.

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