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Cheap flights from Knoxville to Peoria from $264

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 5/23. 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
7:25 am - 3:18 pm
TYS
-
PIA
8h 53m
1 stop
Allegiant Air Logo
4:08 pm - 10:18 pm
PIA
-
TYS
5h 10m
1 stop
$264Allegiant Air
Sat, May 23 - Sat, May 30
American Airlines Logo
7:59 pm - 11:58 pm
TYS
-
PIA
4h 59m
1 stop
American Airlines Logo
4:46 pm - 11:56 pm
PIA
-
TYS
6h 10m
1 stop
$304American Airlines
Sat, May 23 - Sat, May 30
American Airlines Logo
5:36 am - 11:54 am
TYS
-
PIA
7h 18m
1 stop
American Airlines Logo
4:46 pm - 11:56 pm
PIA
-
TYS
6h 10m
1 stop
$309American Airlines
Sat, May 23 - Sat, May 30
Allegiant Air Logo
7:04 pm - 8:48 am
TYS
-
PIA
14h 44m
1 stop
Allegiant Air Logo
9:28 am - 10:23 pm
PIA
-
TYS
11h 55m
1 stop
$355Allegiant Air
Fri, Jul 24 - Sun, Jul 26
United Airlines Logo
6:30 am - 9:52 am
TYS
-
PIA
4h 22m
1 stop
United Airlines Logo
1:21 pm - 8:48 pm
PIA
-
TYS
6h 27m
1 stop
$359United Airlines
Thu, Aug 13 - Mon, Aug 17
United Airlines Logo
7:00 am - 10:06 am
TYS
-
PIA
4h 06m
1 stop
United Airlines Logo
3:35 pm - 8:53 pm
PIA
-
TYS
4h 18m
1 stop
$369United Airlines
Thu, Aug 13 - Mon, Aug 17
Allegiant Air Logo
7:25 am - 3:18 pm
TYS
-
PIA
8h 53m
1 stop
Allegiant Air Logo
12:35 pm - 4:40 pm
PIA
-
TYS
51h 05m
2 stops
$370Allegiant Air
Sat, May 23 - Sat, May 30
American Airlines Logo
11:01 am - 6:25 pm
TYS
-
PIA
8h 24m
2 stops
American Airlines Logo
6:00 am - 1:02 pm
PIA
-
TYS
6h 02m
1 stop
$393American Airlines
Sat, May 23 - Sat, May 30
American Airlines Logo
11:01 am - 6:25 pm
TYS
-
PIA
8h 24m
2 stops
American Airlines Logo
4:27 pm - 11:47 pm
PIA
-
TYS
6h 20m
1 stop
$398American Airlines
Sat, May 23 - Sat, May 30
American Airlines Logo
6:07 pm - 11:59 pm
TYS
-
PIA
6h 52m
2 stops
American Airlines Logo
4:46 pm - 11:56 pm
PIA
-
TYS
6h 10m
1 stop
$415American Airlines
Fri, May 22 - Fri, May 29

American Airlines flights from Knoxville to Peoria, Illinois

Our best American Airlines deals on Knoxville to Peoria, Illinois flight tickets
American Airlines
May 23
TYS7:59 pmKnoxville McGhee Tyson
4h 59m
1 stop
PIA11:58 pmGreater Peoria
May 30
PIA4:46 pmGreater Peoria
6h 10m
1 stop
TYS11:56 pmKnoxville McGhee Tyson
$304
American Airlines
May 23
TYS5:36 amKnoxville McGhee Tyson
7h 18m
1 stop
PIA11:54 amGreater Peoria
May 30
PIA4:46 pmGreater Peoria
6h 10m
1 stop
TYS11:56 pmKnoxville McGhee Tyson
$309
American Airlines
May 11
TYS6:54 pmKnoxville McGhee Tyson
5h 19m
1 stop
PIA11:13 pmGreater Peoria
May 25
PIA6:00 amGreater Peoria
5h 42m
1 stop
TYS12:42 pmKnoxville McGhee Tyson
$349

United Airlines flights from Knoxville to Peoria, Illinois

Our best United Airlines deals on Knoxville to Peoria, Illinois flight tickets
United Airlines
Aug 13
TYS6:30 amKnoxville McGhee Tyson
4h 22m
1 stop
PIA9:52 amGreater Peoria
Aug 17
PIA1:21 pmGreater Peoria
6h 27m
1 stop
TYS8:48 pmKnoxville McGhee Tyson
$359
United Airlines
Aug 13
TYS7:00 amKnoxville McGhee Tyson
4h 06m
1 stop
PIA10:06 amGreater Peoria
Aug 17
PIA3:35 pmGreater Peoria
4h 18m
1 stop
TYS8:53 pmKnoxville McGhee Tyson
$369
United Airlines
Aug 13
TYS1:48 pmKnoxville McGhee Tyson
4h 08m
1 stop
PIA4:56 pmGreater Peoria
Aug 17
PIA1:21 pmGreater Peoria
6h 32m
1 stop
TYS8:53 pmKnoxville McGhee Tyson
$484

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 May 10, 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

Sat 5/23

7:25 am-3:18 pm

1 stop8h 53m

Greater Peoria

Sat 5/30

4:08 pm-10:18 pm

1 stop5h 10m

$264

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sat 5/23

7:59 pm-11:58 pm

1 stop4h 59m

Greater Peoria

Sat 5/30

4:46 pm-11:56 pm

1 stop6h 10m

$304

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sat 5/23

5:36 am-11:54 am

1 stop7h 18m

Greater Peoria

Sat 5/30

4:46 pm-11:56 pm

1 stop6h 10m

$309

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Fri 7/24

7:04 pm-8:48 am

1 stop14h 44m

Greater Peoria

Sun 7/26

9:28 am-10:23 pm

1 stop11h 55m

$355

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Thu 8/13

6:30 am-9:52 am

1 stop4h 22m

Greater Peoria

Mon 8/17

1:21 pm-8:48 pm

1 stop6h 27m

$359
Quickest round-trip

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Thu 8/13

7:00 am-10:06 am

1 stop4h 06m

Greater Peoria

Mon 8/17

3:35 pm-8:53 pm

1 stop4h 18m

$369

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sat 5/23

7:25 am-3:18 pm

1 stop8h 53m

Greater Peoria

Sat 5/30

12:35 pm-4:40 pm

2 stops51h 05m

$370

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sat 5/23

11:01 am-6:25 pm

2 stops8h 24m

Greater Peoria

Sat 5/30

6:00 am-1:02 pm

1 stop6h 02m

$393

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sat 5/23

11:01 am-6:25 pm

2 stops8h 24m

Greater Peoria

Sat 5/30

4:27 pm-11:47 pm

1 stop6h 20m

$398

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Fri 5/22

6:07 pm-11:59 pm

2 stops6h 52m

Greater Peoria

Fri 5/29

4:46 pm-11:56 pm

1 stop6h 10m

$415

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,694 reviews
Search United Airlines flights

Frequently asked questions about flying from Knoxville to Peoria, Illinois

  • How do I get Price Alerts for flights from Knoxville to Peoria, Illinois?

    Confirm your travel details to search for the latest offers for flights from Knoxville to Peoria, Illinois. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Knoxville to Peoria, Illinois with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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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