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Cheap flights from Knoxville to Peoria from $183

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 8/9. 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

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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
11:26 am - 8:15 am
TYS
-
PIA
21h 49m
1 stop
Allegiant Air Logo
6:19 pm - 12:53 pm
PIA
-
TYS
17h 34m
1 stop
$294Allegiant Air
Wed, Apr 15 - Sun, Apr 19
United Airlines Logo
10:49 am - 2:08 pm
TYS
-
PIA
4h 19m
1 stop
United Airlines Logo
5:35 pm - 10:34 pm
PIA
-
TYS
3h 59m
1 stop
$309United Airlines
Thu, Apr 16 - Sun, Apr 26
American Airlines Logo
7:00 am - 12:52 pm
TYS
-
PIA
6h 52m
2 stops
American Airlines Logo
6:00 am - 11:18 am
PIA
-
TYS
4h 18m
1 stop
$314American Airlines
Thu, Apr 16 - Sun, Apr 26
American Airlines Logo
6:54 am - 12:52 pm
TYS
-
PIA
6h 58m
2 stops
American Airlines Logo
6:00 am - 11:18 am
PIA
-
TYS
4h 18m
1 stop
$319American Airlines
Thu, Apr 9 - Sun, Apr 12
United Airlines Logo
6:30 am - 9:52 am
TYS
-
PIA
4h 22m
1 stop
United Airlines Logo
10:35 am - 4:59 pm
PIA
-
TYS
5h 24m
1 stop
$379United Airlines
Tue, Aug 25 - Sat, Aug 29
American Airlines Logo
7:40 am - 12:18 pm
TYS
-
PIA
5h 38m
1 stop
American Airlines Logo
1:22 pm - 8:18 pm
PIA
-
TYS
5h 56m
1 stop
$438American Airlines
Sat, Apr 4 - Tue, Apr 7
Multiple Airlines Logo
9:12 pm - 5:22 pm
TYS
-
PIA
21h 10m
1 stop
Multiple Airlines Logo
9:05 am - 1:16 pm
PIA
-
TYS
27h 11m
2 stops
$442Multiple Airlines
Sun, Apr 19 - Sun, Apr 26
American Airlines Logo
4:29 pm - 10:58 pm
TYS
-
PIA
7h 29m
1 stop
American Airlines Logo
1:22 pm - 11:02 pm
PIA
-
TYS
8h 40m
2 stops
$443American Airlines
Sat, Apr 4 - Tue, Apr 7
American Airlines Logo
5:00 am - 12:52 pm
TYS
-
PIA
8h 52m
2 stops
American Airlines Logo
1:22 pm - 11:55 pm
PIA
-
TYS
9h 33m
2 stops
$447American Airlines
Thu, Apr 16 - Sun, Apr 26
American Airlines Logo
8:24 am - 4:52 pm
TYS
-
PIA
9h 28m
2 stops
American Airlines Logo
1:22 pm - 11:02 pm
PIA
-
TYS
8h 40m
2 stops
$483American Airlines
Sat, Apr 4 - Tue, Apr 7

United Airlines flights from Knoxville to Peoria, Illinois

Our best United Airlines deals on Knoxville to Peoria, Illinois flight tickets
United Airlines
Apr 16
TYS10:49 amKnoxville McGhee Tyson
4h 19m
1 stop
PIA2:08 pmGreater Peoria
Apr 26
PIA5:35 pmGreater Peoria
3h 59m
1 stop
TYS10:34 pmKnoxville McGhee Tyson
$309
United Airlines
Aug 25
TYS5:57 pmKnoxville McGhee Tyson
5h 55m
1 stop
PIA10:52 pmGreater Peoria
Aug 29
PIA10:35 amGreater Peoria
5h 24m
1 stop
TYS4:59 pmKnoxville McGhee Tyson
$379
United Airlines
Apr 9
TYS7:00 amKnoxville McGhee Tyson
6h 36m
1 stop
PIA12:36 pmGreater Peoria
Apr 13
PIA2:50 pmGreater Peoria
6h 44m
1 stop
TYS10:34 pmKnoxville McGhee Tyson
$389

American Airlines flights from Knoxville to Peoria, Illinois

Our best American Airlines deals on Knoxville to Peoria, Illinois flight tickets
American Airlines
Apr 16
TYS7:00 amKnoxville McGhee Tyson
6h 52m
2 stops
PIA12:52 pmGreater Peoria
Apr 19
PIA6:23 pmGreater Peoria
4h 32m
1 stop
TYS11:55 pmKnoxville McGhee Tyson
$314
American Airlines
Apr 9
TYS6:54 amKnoxville McGhee Tyson
6h 58m
2 stops
PIA12:52 pmGreater Peoria
Apr 12
PIA6:00 amGreater Peoria
4h 18m
1 stop
TYS11:18 amKnoxville McGhee Tyson
$319
American Airlines
Apr 9
TYS5:00 amKnoxville McGhee Tyson
8h 52m
2 stops
PIA12:52 pmGreater Peoria
Apr 13
PIA1:22 pmGreater Peoria
5h 56m
1 stop
TYS8:18 pmKnoxville McGhee Tyson
$324

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 March 25, 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

Wed 4/15

11:26 am-8:15 am

1 stop21h 49m

Greater Peoria

Sun 4/19

6:19 pm-12:53 pm

1 stop17h 34m

$294
Quickest round-trip

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Thu 4/16

10:49 am-2:08 pm

1 stop4h 19m

Greater Peoria

Sun 4/26

5:35 pm-10:34 pm

1 stop3h 59m

$309

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Thu 4/16

7:00 am-12:52 pm

2 stops6h 52m

Greater Peoria

Sun 4/26

6:00 am-11:18 am

1 stop4h 18m

$314

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Thu 4/9

6:54 am-12:52 pm

2 stops6h 58m

Greater Peoria

Sun 4/12

6:00 am-11:18 am

1 stop4h 18m

$319

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Tue 8/25

6:30 am-9:52 am

1 stop4h 22m

Greater Peoria

Sat 8/29

10:35 am-4:59 pm

1 stop5h 24m

$379

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sat 4/4

7:40 am-12:18 pm

1 stop5h 38m

Greater Peoria

Tue 4/7

1:22 pm-8:18 pm

1 stop5h 56m

$438

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sun 4/19

9:12 pm-5:22 pm

1 stop21h 10m

Greater Peoria

Sun 4/26

9:05 am-1:16 pm

2 stops27h 11m

$442

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sat 4/4

4:29 pm-10:58 pm

1 stop7h 29m

Greater Peoria

Tue 4/7

1:22 pm-11:02 pm

2 stops8h 40m

$443

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Thu 4/16

5:00 am-12:52 pm

2 stops8h 52m

Greater Peoria

Sun 4/26

1:22 pm-11:55 pm

2 stops9h 33m

$447

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sat 4/4

8:24 am-4:52 pm

2 stops9h 28m

Greater Peoria

Tue 4/7

1:22 pm-11:02 pm

2 stops8h 40m

$483

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 03m

Direct flights

None
The fastest flight from Knoxville to Peoria, Illinois takes 4h 03m
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 03m 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
9,477 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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