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Cheap flights from Knoxville to Peoria from $173

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 3/16. 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 Knoxville to Peoria

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
6:20 pm - 10:08 am
TYS
-
PIA
16h 48m
1 stop
Allegiant Air Logo
9:05 am - 10:33 pm
PIA
-
TYS
12h 28m
1 stop
$386Allegiant Air
Fri, May 8 - Sun, May 10
Allegiant Air Logo
9:00 am - 6:41 pm
TYS
-
PIA
10h 41m
1 stop
Allegiant Air Logo
7:26 pm - 11:36 pm
PIA
-
TYS
27h 10m
1 stop
$519Allegiant Air
Sun, Feb 22 - Thu, Feb 26
American Airlines Logo
5:00 am - 12:52 pm
TYS
-
PIA
8h 52m
2 stops
American Airlines Logo
1:22 pm - 8:18 pm
PIA
-
TYS
5h 56m
1 stop
$564American Airlines
Fri, May 8 - Sun, May 10
Multiple Airlines Logo
8:30 am - 7:51 pm
TYS
-
PIA
36h 21m
2 stops
Multiple Airlines Logo
7:26 pm - 11:36 pm
PIA
-
TYS
27h 10m
1 stop
$626Multiple Airlines
Sun, Feb 22 - Thu, Feb 26
American Airlines Logo
4:29 pm - 11:25 pm
TYS
-
PIA
7h 56m
2 stops
American Airlines Logo
5:00 am - 2:24 pm
PIA
-
TYS
8h 24m
2 stops
$791American Airlines
Sun, Feb 22 - Thu, Feb 26
United Airlines Logo
9:40 am - 4:50 pm
TYS
-
PIA
8h 10m
2 stops
United Airlines Logo
6:30 am - 2:34 pm
PIA
-
TYS
7h 04m
2 stops
$1,035United Airlines
Fri, May 8 - Sun, May 10

Allegiant Air flights from Knoxville to Peoria, Illinois

Our best Allegiant Air deals on Knoxville to Peoria, Illinois flight tickets
Allegiant Air
May 8
TYS6:20 pmKnoxville McGhee Tyson
16h 48m
1 stop
PIA10:08 amGreater Peoria
May 10
PIA9:05 amGreater Peoria
12h 28m
1 stop
TYS10:33 pmKnoxville McGhee Tyson
$386
Allegiant Air
Feb 22
TYS9:00 amKnoxville McGhee Tyson
10h 41m
1 stop
PIA6:41 pmGreater Peoria
Feb 26
PIA7:26 pmGreater Peoria
27h 10m
1 stop
TYS11:36 pmKnoxville McGhee Tyson
$519

American Airlines flights from Knoxville to Peoria, Illinois

Our best American Airlines deals on Knoxville to Peoria, Illinois flight tickets
American Airlines
May 8
TYS5:00 amKnoxville McGhee Tyson
8h 52m
2 stops
PIA12:52 pmGreater Peoria
May 10
PIA1:22 pmGreater Peoria
5h 56m
1 stop
TYS8:18 pmKnoxville McGhee Tyson
$564
American Airlines
Feb 22
TYS4:29 pmKnoxville McGhee Tyson
7h 56m
2 stops
PIA11:25 pmGreater Peoria
Feb 26
PIA5:00 amGreater Peoria
8h 24m
2 stops
TYS2:24 pmKnoxville McGhee Tyson
$791

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 February 8, 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

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Fri 5/8

6:20 pm-10:08 am

1 stop16h 48m

Greater Peoria

Sun 5/10

9:05 am-10:33 pm

1 stop12h 28m

$386

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sun 2/22

9:00 am-6:41 pm

1 stop10h 41m

Greater Peoria

Thu 2/26

7:26 pm-11:36 pm

1 stop27h 10m

$519

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Fri 5/8

5:00 am-12:52 pm

2 stops8h 52m

Greater Peoria

Sun 5/10

1:22 pm-8:18 pm

1 stop5h 56m

$564

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sun 2/22

8:30 am-7:51 pm

2 stops36h 21m

Greater Peoria

Thu 2/26

7:26 pm-11:36 pm

1 stop27h 10m

$626

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sun 2/22

4:29 pm-11:25 pm

2 stops7h 56m

Greater Peoria

Thu 2/26

5:00 am-2:24 pm

2 stops8h 24m

$791

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Fri 5/8

9:40 am-4:50 pm

2 stops8h 10m

Greater Peoria

Sun 5/10

6:30 am-2:34 pm

2 stops7h 04m

$1,035

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Mon 3/16

9:54 pm-12:10 pm

1 stop15h 16m

$173

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Mon 3/16

9:54 pm-12:10 pm

1 stop15h 16m

$187

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Mon 3/16

8:00 am-12:10 pm

2 stops29h 10m

$267

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Mon 3/16

8:00 am-12:10 pm

2 stops29h 10m

$288

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
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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 is the most popular carrier 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 15m

Direct flights

None
The fastest flight from Knoxville to Peoria, Illinois takes 4h 15m
There are no direct flights from Knoxville to Peoria, Illinois. There are no popular flight routes from Knoxville to Peoria, Illinois.
Search flight deals

  • 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 15m 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 $228Free CancellationRating
7.2
11,248 reviews
Search American Airlines flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,249 reviews
Search United 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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