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Cheap flights from Peoria, Illinois to Knoxville from $143

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Peoria, Illinois to Knoxville departing on 4/15. 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 Peoria, Illinois to Knoxville

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:40 pm - 11:56 pm
PIA
-
TYS
5h 16m
1 stop
American Airlines Logo
7:50 am - 12:52 pm
TYS
-
PIA
6h 02m
1 stop
$309American Airlines
Wed, Apr 15 - Sat, Apr 18
American Airlines Logo
1:22 pm - 11:55 pm
PIA
-
TYS
9h 33m
2 stops
American Airlines Logo
5:57 pm - 11:52 pm
TYS
-
PIA
6h 55m
1 stop
$314American Airlines
Wed, Apr 15 - Sat, Apr 18
American Airlines Logo
5:40 pm - 11:56 pm
PIA
-
TYS
5h 16m
1 stop
American Airlines Logo
6:54 pm - 11:13 pm
TYS
-
PIA
5h 19m
1 stop
$319American Airlines
Tue, Apr 7 - Sat, Apr 11
American Airlines Logo
6:00 am - 11:18 am
PIA
-
TYS
4h 18m
1 stop
American Airlines Logo
11:40 am - 6:24 pm
TYS
-
PIA
7h 44m
2 stops
$324American Airlines
Tue, Apr 7 - Sat, Apr 11
American Airlines Logo
1:22 pm - 9:26 pm
PIA
-
TYS
7h 04m
2 stops
American Airlines Logo
6:54 am - 12:52 pm
TYS
-
PIA
6h 58m
2 stops
$329American Airlines
Tue, Apr 7 - Sat, Apr 11
United Airlines Logo
1:35 pm - 8:45 pm
PIA
-
TYS
6h 10m
1 stop
United Airlines Logo
7:00 am - 12:57 pm
TYS
-
PIA
6h 57m
1 stop
$363United Airlines
Fri, May 8 - Sun, May 10
United Airlines Logo
5:35 pm - 10:34 pm
PIA
-
TYS
3h 59m
1 stop
United Airlines Logo
7:00 am - 12:36 pm
TYS
-
PIA
6h 36m
1 stop
$379United Airlines
Sat, Apr 11 - Wed, Apr 15
Allegiant Air Logo
10:33 am - 10:53 am
PIA
-
TYS
23h 20m
1 stop
Allegiant Air Logo
9:12 pm - 5:22 pm
TYS
-
PIA
21h 10m
1 stop
$395Allegiant Air
Sun, Apr 5 - Thu, Apr 9
United Airlines Logo
2:50 pm - 10:34 pm
PIA
-
TYS
6h 44m
1 stop
United Airlines Logo
7:00 am - 12:36 pm
TYS
-
PIA
6h 36m
1 stop
$409United Airlines
Fri, Apr 3 - Mon, Apr 6
Multiple Airlines Logo
10:33 am - 10:53 am
PIA
-
TYS
23h 20m
1 stop
Multiple Airlines Logo
5:10 pm - 12:43 pm
TYS
-
PIA
20h 33m
2 stops
$434Multiple Airlines
Sun, Apr 5 - Thu, Apr 9

American Airlines flights from Peoria, Illinois to Knoxville

Our best American Airlines deals on Peoria, Illinois to Knoxville flight tickets
American Airlines
Apr 15
PIA5:40 pmGreater Peoria
5h 16m
1 stop
TYS11:56 pmKnoxville McGhee Tyson
Apr 18
TYS7:50 amKnoxville McGhee Tyson
6h 02m
1 stop
PIA12:52 pmGreater Peoria
$309
American Airlines
Apr 15
PIA1:22 pmGreater Peoria
9h 33m
2 stops
TYS11:55 pmKnoxville McGhee Tyson
Apr 18
TYS5:57 pmKnoxville McGhee Tyson
6h 55m
1 stop
PIA11:52 pmGreater Peoria
$314
American Airlines
Apr 7
PIA5:40 pmGreater Peoria
5h 16m
1 stop
TYS11:56 pmKnoxville McGhee Tyson
Apr 11
TYS6:54 pmKnoxville McGhee Tyson
5h 19m
1 stop
PIA11:13 pmGreater Peoria
$319

United Airlines flights from Peoria, Illinois to Knoxville

Our best United Airlines deals on Peoria, Illinois to Knoxville flight tickets
United Airlines
May 8
PIA1:35 pmGreater Peoria
6h 10m
1 stop
TYS8:45 pmKnoxville McGhee Tyson
May 10
TYS7:00 amKnoxville McGhee Tyson
6h 57m
1 stop
PIA12:57 pmGreater Peoria
$363
United Airlines
Aug 22
PIA1:21 pmGreater Peoria
6h 27m
1 stop
TYS8:48 pmKnoxville McGhee Tyson
Aug 26
TYS5:57 pmKnoxville McGhee Tyson
5h 55m
1 stop
PIA10:52 pmGreater Peoria
$379
United Airlines
Apr 3
PIA2:50 pmGreater Peoria
6h 44m
1 stop
TYS10:34 pmKnoxville McGhee Tyson
Apr 6
TYS7:00 amKnoxville McGhee Tyson
6h 36m
1 stop
PIA12:36 pmGreater Peoria
$409

momondo Fare Finder

 
Customize your flight search to find flights from Peoria, Illinois to Knoxville 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 24, 2026.
Use the filters below to find and compare flights from Peoria, Illinois to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Wed 4/15

5:40 pm-11:56 pm

1 stop5h 16m

Knoxville McGhee Tyson

Sat 4/18

7:50 am-12:52 pm

1 stop6h 02m

$309

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Wed 4/15

1:22 pm-11:55 pm

2 stops9h 33m

Knoxville McGhee Tyson

Sat 4/18

5:57 pm-11:52 pm

1 stop6h 55m

$314
Quickest round-trip

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Tue 4/7

5:40 pm-11:56 pm

1 stop5h 16m

Knoxville McGhee Tyson

Sat 4/11

6:54 pm-11:13 pm

1 stop5h 19m

$319

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Tue 4/7

6:00 am-11:18 am

1 stop4h 18m

Knoxville McGhee Tyson

Sat 4/11

11:40 am-6:24 pm

2 stops7h 44m

$324

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Tue 4/7

1:22 pm-9:26 pm

2 stops7h 04m

Knoxville McGhee Tyson

Sat 4/11

6:54 am-12:52 pm

2 stops6h 58m

$329

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Fri 5/8

1:35 pm-8:45 pm

1 stop6h 10m

Knoxville McGhee Tyson

Sun 5/10

7:00 am-12:57 pm

1 stop6h 57m

$363

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Sat 4/11

5:35 pm-10:34 pm

1 stop3h 59m

Knoxville McGhee Tyson

Wed 4/15

7:00 am-12:36 pm

1 stop6h 36m

$379

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Sun 4/5

10:33 am-10:53 am

1 stop23h 20m

Knoxville McGhee Tyson

Thu 4/9

9:12 pm-5:22 pm

1 stop21h 10m

$395

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Fri 4/3

2:50 pm-10:34 pm

1 stop6h 44m

Knoxville McGhee Tyson

Mon 4/6

7:00 am-12:36 pm

1 stop6h 36m

$409

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Sun 4/5

10:33 am-10:53 am

1 stop23h 20m

Knoxville McGhee Tyson

Thu 4/9

5:10 pm-12:43 pm

2 stops20h 33m

$434

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 Knoxville from

How to get the cheapest flight ticket from Peoria, Illinois to Knoxville

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 Greater Peoria to Knoxville McGhee Tyson?

Allegiant Air is the most popular carrier operating from Greater Peoria to Knoxville McGhee Tyson

When to book flights from Peoria, Illinois to Knoxville

Are you open to changing your travel dates? Check out the ideal times to fly from Peoria, Illinois to Knoxville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Peoria, Illinois to Knoxville (PIA to TYS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Peoria, Illinois to Knoxville

Fastest flight time

3h 59m

Direct flights

None
The fastest flight from Peoria, Illinois to Knoxville takes 3h 59m
There are no direct flights from Peoria, Illinois to Knoxville. There are no popular flight routes from Peoria, Illinois to Knoxville.
Search flight deals

  • How far is Greater Peoria to Knoxville McGhee Tyson by plane?

    The distance between Greater Peoria and Knoxville McGhee Tyson is about 448.2 mi. Flights usually cover this in 3h 59m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Greater Peoria Airport to Knoxville McGhee Tyson Airport?

    Prices for flights from Greater Peoria Airport to Knoxville McGhee Tyson Airport are updated daily.

  • How many operators does momondo search for flights from Greater Peoria Airport to Knoxville McGhee Tyson Airport?

  • How old do you have to be to fly from Greater Peoria Airport to Knoxville McGhee Tyson Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Greater Peoria Airport to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The travel and health documents you'll need for your trip to Knoxville McGhee Tyson Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Peoria, Illinois to Knoxville?

Best airlines flying from Peoria, Illinois to Knoxville

Compare and see reviews for airlines that fly from Peoria, Illinois to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $233Free CancellationRating
7.1
11,491 reviews
Search American Airlines flights

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Maryville
Crossville
Alcoa
Murphy
Oak Ridge
Lenoir City
Newport
Kodak
Jefferson City
Dandridge
Clinton
Rockford

Why use momondo?

Why should I use momondo to find a flight deal from Peoria to Knoxville?

Finding the right flight to Knoxville from Peoria is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knoxville quick and easy, saving you time and money.

Can I find flights from Peoria to Knoxville with flexible booking policies on momondo?

All flight searches from Peoria to Knoxville on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Peoria to Knoxville?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Knoxville from Peoria.

I’m not ready to book a flight from Peoria to Knoxville right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Knoxville from Peoria. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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