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Cheap flights from Knoxville to Peoria from $221

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Peoria departing on 8/6. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Knoxville to Peoria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
3:56 pm - 8:14 am
TYS
-
PIA
17h 18m
1 stop
Allegiant Air Logo
9:04 am - 10:44 pm
PIA
-
TYS
12h 40m
1 stop
$221Allegiant Air
Thu, Aug 6 - Mon, Aug 10
United Airlines Logo
7:00 am - 10:06 am
TYS
-
PIA
4h 06m
1 stop
United Airlines Logo
10:41 am - 4:58 pm
PIA
-
TYS
5h 17m
1 stop
$359United Airlines
Tue, Aug 18 - Sat, Aug 22
Multiple Airlines Logo
2:56 pm - 8:14 am
TYS
-
PIA
18h 18m
2 stops
Multiple Airlines Logo
9:04 am - 10:44 pm
PIA
-
TYS
12h 40m
1 stop
$370Multiple Airlines
Thu, Aug 6 - Mon, Aug 10
United Airlines Logo
6:00 am - 10:09 am
TYS
-
PIA
5h 09m
1 stop
United Airlines Logo
1:13 pm - 8:44 pm
PIA
-
TYS
6h 31m
1 stop
$389United Airlines
Sat, Jul 11 - Wed, Jul 15
United Airlines Logo
7:00 am - 10:06 am
TYS
-
PIA
4h 06m
1 stop
United Airlines Logo
8:29 am - 8:24 pm
PIA
-
TYS
10h 55m
2 stops
$478United Airlines
Tue, Aug 18 - Sat, Aug 22
United Airlines Logo
5:45 am - 4:58 pm
TYS
-
PIA
12h 13m
2 stops
United Airlines Logo
1:13 pm - 8:44 pm
PIA
-
TYS
6h 31m
1 stop
$568United Airlines
Sat, Jul 11 - Wed, Jul 15
American Airlines Logo
6:10 pm - 11:58 pm
TYS
-
PIA
6h 48m
1 stop
American Airlines Logo
4:22 pm - 10:23 pm
PIA
-
TYS
5h 01m
1 stop
$637American Airlines
Tue, Jul 14 - Wed, Jul 15
American Airlines Logo
10:00 am - 6:28 pm
TYS
-
PIA
9h 28m
2 stops
American Airlines Logo
6:00 am - 12:30 pm
PIA
-
TYS
5h 30m
1 stop
$642American Airlines
Tue, Jul 14 - Wed, Jul 15
American Airlines Logo
12:09 pm - 6:15 pm
TYS
-
PIA
7h 06m
2 stops
American Airlines Logo
6:00 am - 3:57 pm
PIA
-
TYS
8h 57m
2 stops
$670American Airlines
Thu, Aug 6 - Mon, Aug 10
American Airlines Logo
10:00 am - 6:28 pm
TYS
-
PIA
9h 28m
2 stops
American Airlines Logo
6:00 am - 3:42 pm
PIA
-
TYS
8h 42m
2 stops
$726American Airlines
Tue, Jul 14 - Wed, Jul 15

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United Airlines flights from Knoxville to Peoria, Illinois

Our best United Airlines deals on Knoxville to Peoria, Illinois flight tickets
United Airlines
Aug 18
TYS7:00 amKnoxville McGhee Tyson
4h 06m
1 stop
PIA10:06 amGreater Peoria
Aug 22
PIA10:41 amGreater Peoria
5h 17m
1 stop
TYS4:58 pmKnoxville McGhee Tyson
$359
United Airlines
Jul 11
TYS6:00 amKnoxville McGhee Tyson
5h 09m
1 stop
PIA10:09 amGreater Peoria
Jul 15
PIA1:13 pmGreater Peoria
6h 31m
1 stop
TYS8:44 pmKnoxville McGhee Tyson
$389
United Airlines
Aug 18
TYS7:00 amKnoxville McGhee Tyson
4h 06m
1 stop
PIA10:06 amGreater Peoria
Aug 22
PIA8:29 amGreater Peoria
10h 55m
2 stops
TYS8:24 pmKnoxville McGhee Tyson
$478

American Airlines flights from Knoxville to Peoria, Illinois

Our best American Airlines deals on Knoxville to Peoria, Illinois flight tickets
American Airlines
Jul 14
TYS6:10 pmKnoxville McGhee Tyson
6h 48m
1 stop
PIA11:58 pmGreater Peoria
Jul 15
PIA4:22 pmGreater Peoria
5h 01m
1 stop
TYS10:23 pmKnoxville McGhee Tyson
$637
American Airlines
Jul 14
TYS10:00 amKnoxville McGhee Tyson
9h 28m
2 stops
PIA6:28 pmGreater Peoria
Jul 15
PIA6:00 amGreater Peoria
5h 30m
1 stop
TYS12:30 pmKnoxville McGhee Tyson
$642
American Airlines
Aug 6
TYS12:09 pmKnoxville McGhee Tyson
7h 06m
2 stops
PIA6:15 pmGreater Peoria
Aug 10
PIA6:00 amGreater Peoria
8h 57m
2 stops
TYS3:57 pmKnoxville McGhee Tyson
$670

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 June 29, 2026.
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

Cheapest round-trip

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Thu 8/6

3:56 pm-8:14 am

1 stop17h 18m

Greater Peoria

Mon 8/10

9:04 am-10:44 pm

1 stop12h 40m

$221
Quickest round-trip

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Tue 8/18

7:00 am-10:06 am

1 stop4h 06m

Greater Peoria

Sat 8/22

10:41 am-4:58 pm

1 stop5h 17m

$359

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Thu 8/6

2:56 pm-8:14 am

2 stops18h 18m

Greater Peoria

Mon 8/10

9:04 am-10:44 pm

1 stop12h 40m

$370

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sat 7/11

6:00 am-10:09 am

1 stop5h 09m

Greater Peoria

Wed 7/15

1:13 pm-8:44 pm

1 stop6h 31m

$389

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Tue 8/18

7:00 am-10:06 am

1 stop4h 06m

Greater Peoria

Sat 8/22

8:29 am-8:24 pm

2 stops10h 55m

$478

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sat 7/11

5:45 am-4:58 pm

2 stops12h 13m

Greater Peoria

Wed 7/15

1:13 pm-8:44 pm

1 stop6h 31m

$568

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Tue 7/14

6:10 pm-11:58 pm

1 stop6h 48m

Greater Peoria

Wed 7/15

4:22 pm-10:23 pm

1 stop5h 01m

$637

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Tue 7/14

10:00 am-6:28 pm

2 stops9h 28m

Greater Peoria

Wed 7/15

6:00 am-12:30 pm

1 stop5h 30m

$642

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Thu 8/6

12:09 pm-6:15 pm

2 stops7h 06m

Greater Peoria

Mon 8/10

6:00 am-3:57 pm

2 stops8h 57m

$670

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Tue 7/14

10:00 am-6:28 pm

2 stops9h 28m

Greater Peoria

Wed 7/15

6:00 am-3:42 pm

2 stops8h 42m

$726

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 cheapest airline that flies from Knoxville McGhee Tyson to Greater Peoria?

Allegiant Air, United Airlines, and American Airlines are the most popular carriers operating from Knoxville McGhee Tyson to Greater Peoria

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

Fastest flight time

4h 06m

Direct flights

None
The fastest flight from Knoxville to Peoria, Illinois takes 4h 06m
There are no direct flights from Knoxville to Peoria, Illinois. There are no popular flight routes from Knoxville to Peoria, Illinois.
Search flight deals

Frequently asked questions about flying from Knoxville to Peoria, Illinois

  • 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 06m 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
American AirlinesPriceFrom $303Free CancellationRating
7.1
11,774 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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