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Cheap flights from Knoxville to Peoria from $261

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 8/27. 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
1:21 pm - 8:40 amTYS  Knoxville McGhee Tyson-PIA Greater Peoria
20h 19m1 stop Orlando Sanford Intl
Allegiant Air Logo
5:50 pm - 8:14 amPIA  Greater Peoria-TYS Knoxville McGhee Tyson
13h 24m1 stop Tampa St. Petersburg
$261Allegiant Air
Thu, Aug 27 - Thu, Sep 10
Allegiant Air Logo
1:21 pm - 8:40 amTYS  Knoxville McGhee Tyson-PIA Greater Peoria
20h 19m1 stop Orlando Sanford Intl
Allegiant Air Logo
5:20 pm - 6:14 pmPIA  Greater Peoria-TYS Knoxville McGhee Tyson
23h 54m1 stop Tampa St. Petersburg
$264Allegiant Air
Thu, Aug 27 - Sun, Sep 13
Allegiant Air Logo
1:21 pm - 8:40 amTYS  Knoxville McGhee Tyson-PIA Greater Peoria
20h 19m1 stop Orlando Sanford Intl
Allegiant Air Logo
4:52 pm - 2:31 pmPIA  Greater Peoria-TYS Knoxville McGhee Tyson
20h 39m1 stop Orlando Sanford Intl
$269Allegiant Air
Thu, Aug 27 - Mon, Sep 7
Allegiant Air Logo
1:21 pm - 8:40 amTYS  Knoxville McGhee Tyson-PIA Greater Peoria
20h 19m1 stop Orlando Sanford Intl
Allegiant Air Logo
5:50 pm - 5:42 pmPIA  Greater Peoria-TYS Knoxville McGhee Tyson
22h 52m1 stop Tampa St. Petersburg
$294Allegiant Air
Thu, Aug 27 - Thu, Sep 10
American Airlines Logo
8:15 pm - 12:08 amTYS  Knoxville McGhee Tyson-PIA Greater Peoria
4h 53m1 stop Chicago O'Hare Intl
American Airlines Logo
6:00 am - 10:50 amPIA  Greater Peoria-TYS Knoxville McGhee Tyson
3h 50m1 stop Chicago O'Hare Intl
$299American Airlines
Thu, Sep 17 - Mon, Sep 21
United Airlines Logo
7:00 am - 10:06 amTYS  Knoxville McGhee Tyson-PIA Greater Peoria
4h 06m1 stop Chicago O'Hare Intl
United Airlines Logo
3:35 pm - 10:49 pmPIA  Greater Peoria-TYS Knoxville McGhee Tyson
6h 14m1 stop Chicago O'Hare Intl
$299United Airlines
Sat, Sep 5 - Sat, Sep 12
Allegiant Air Logo
8:00 am - 9:58 amTYS  Knoxville McGhee Tyson-PIA Greater Peoria
26h 58m1 stop Orlando Sanford Intl
Allegiant Air Logo
5:50 pm - 8:14 amPIA  Greater Peoria-TYS Knoxville McGhee Tyson
13h 24m1 stop Tampa St. Petersburg
$305Allegiant Air
Sun, Aug 30 - Thu, Sep 10
Allegiant Air Logo
8:00 am - 9:58 amTYS  Knoxville McGhee Tyson-PIA Greater Peoria
26h 58m1 stop Orlando Sanford Intl
Allegiant Air Logo
5:20 pm - 6:14 pmPIA  Greater Peoria-TYS Knoxville McGhee Tyson
23h 54m1 stop Tampa St. Petersburg
$308Allegiant Air
Sun, Aug 30 - Sun, Sep 13
Allegiant Air Logo
1:21 pm - 8:40 amTYS  Knoxville McGhee Tyson-PIA Greater Peoria
20h 19m1 stop Orlando Sanford Intl
Allegiant Air Logo
10:06 am - 6:45 pmPIA  Greater Peoria-TYS Knoxville McGhee Tyson
7h 39m1 stop Punta Gorda
$309Allegiant Air
Thu, Aug 27 - Fri, Sep 11
American Airlines Logo
7:25 pm - 10:59 pmTYS  Knoxville McGhee Tyson-PIA Greater Peoria
4h 34m1 stop Charlotte Douglas
American Airlines Logo
5:28 pm - 10:42 pmPIA  Greater Peoria-TYS Knoxville McGhee Tyson
4h 14m1 stop Chicago O'Hare Intl
$314American Airlines
Thu, Aug 27 - Wed, Sep 9

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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
Sep 5
TYS7:00 amKnoxville McGhee Tyson
4h 06m
1 stop
PIA10:06 amGreater Peoria
Sep 12
PIA3:35 pmGreater Peoria
6h 14m
1 stop
TYS10:49 pmKnoxville McGhee Tyson
$299
United Airlines
Aug 27
TYS6:02 pmKnoxville McGhee Tyson
5h 41m
1 stop
PIA10:43 pmGreater Peoria
Sep 9
PIA5:50 amGreater Peoria
6h 28m
1 stop
TYS1:18 pmKnoxville McGhee Tyson
$314
United Airlines
Aug 29
TYS10:40 amKnoxville McGhee Tyson
5h 20m
1 stop
PIA3:00 pmGreater Peoria
Aug 31
PIA5:45 amGreater Peoria
6h 32m
1 stop
TYS1:17 pmKnoxville McGhee Tyson
$369

Allegiant Air flights from Knoxville to Peoria, Illinois

Our best Allegiant Air deals on Knoxville to Peoria, Illinois flight tickets
Allegiant Air
Aug 27
TYS1:21 pmKnoxville McGhee Tyson
20h 19m
1 stop
PIA8:40 amGreater Peoria
Sep 10
PIA5:50 pmGreater Peoria
13h 24m
1 stop
TYS8:14 amKnoxville McGhee Tyson
$261
Allegiant Air
Aug 27
TYS1:21 pmKnoxville McGhee Tyson
20h 19m
1 stop
PIA8:40 amGreater Peoria
Sep 13
PIA5:20 pmGreater Peoria
23h 54m
1 stop
TYS6:14 pmKnoxville McGhee Tyson
$264
Allegiant Air
Aug 27
TYS1:21 pmKnoxville McGhee Tyson
20h 19m
1 stop
PIA8:40 amGreater Peoria
Sep 7
PIA4:52 pmGreater Peoria
20h 39m
1 stop
TYS2:31 pmKnoxville McGhee Tyson
$269

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 August 13, 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 Knoxville McGhee Tyson - PIA Greater Peoria

TYSPIA

Knoxville McGhee Tyson

Thu 8/27

1:21 pm-8:40 am

1 stop20h 19m

Greater Peoria

Thu 9/10

5:50 pm-8:14 am

1 stop13h 24m

$261

KnoxvillePeoria

TYS Knoxville McGhee Tyson - PIA Greater Peoria

TYSPIA

Knoxville McGhee Tyson

Thu 8/27

1:21 pm-8:40 am

1 stop20h 19m

Greater Peoria

Sun 9/13

5:20 pm-6:14 pm

1 stop23h 54m

$264

KnoxvillePeoria

TYS Knoxville McGhee Tyson - PIA Greater Peoria

TYSPIA

Knoxville McGhee Tyson

Thu 8/27

1:21 pm-8:40 am

1 stop20h 19m

Greater Peoria

Mon 9/7

4:52 pm-2:31 pm

1 stop20h 39m

$269

KnoxvillePeoria

TYS Knoxville McGhee Tyson - PIA Greater Peoria

TYSPIA

Knoxville McGhee Tyson

Thu 8/27

1:21 pm-8:40 am

1 stop20h 19m

Greater Peoria

Thu 9/10

5:50 pm-5:42 pm

1 stop22h 52m

$294
Quickest round-trip

KnoxvillePeoria

TYS Knoxville McGhee Tyson - PIA Greater Peoria

TYSPIA

Knoxville McGhee Tyson

Thu 9/17

8:15 pm-12:08 am

1 stop4h 53m

Greater Peoria

Mon 9/21

6:00 am-10:50 am

1 stop3h 50m

$299

KnoxvillePeoria

TYS Knoxville McGhee Tyson - PIA Greater Peoria

TYSPIA

Knoxville McGhee Tyson

Sat 9/5

7:00 am-10:06 am

1 stop4h 06m

Greater Peoria

Sat 9/12

3:35 pm-10:49 pm

1 stop6h 14m

$299

KnoxvillePeoria

TYS Knoxville McGhee Tyson - PIA Greater Peoria

TYSPIA

Knoxville McGhee Tyson

Sun 8/30

8:00 am-9:58 am

1 stop26h 58m

Greater Peoria

Thu 9/10

5:50 pm-8:14 am

1 stop13h 24m

$305

KnoxvillePeoria

TYS Knoxville McGhee Tyson - PIA Greater Peoria

TYSPIA

Knoxville McGhee Tyson

Sun 8/30

8:00 am-9:58 am

1 stop26h 58m

Greater Peoria

Sun 9/13

5:20 pm-6:14 pm

1 stop23h 54m

$308

KnoxvillePeoria

TYS Knoxville McGhee Tyson - PIA Greater Peoria

TYSPIA

Knoxville McGhee Tyson

Thu 8/27

1:21 pm-8:40 am

1 stop20h 19m

Greater Peoria

Fri 9/11

10:06 am-6:45 pm

1 stop7h 39m

$309

KnoxvillePeoria

TYS Knoxville McGhee Tyson - PIA Greater Peoria

TYSPIA

Knoxville McGhee Tyson

Thu 8/27

7:25 pm-10:59 pm

1 stop4h 34m

Greater Peoria

Wed 9/9

5:28 pm-10:42 pm

1 stop4h 14m

$314

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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?

American Airlines and United 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

3h 31m

Direct flights

None
The fastest flight from Knoxville to Peoria, Illinois takes 3h 31m
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 3h 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
American AirlinesPriceFrom $303Free CancellationRating
7.1
11,915 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
Eureka

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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