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Cheap flights from Knoxville to Peoria from $309

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 1/9. 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
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.
United Airlines Logo
11:07 am - 2:23 pm
TYS
-
PIA
4h 16m1 stop
United Airlines Logo
1:24 pm - 8:52 pm
PIA
-
TYS
6h 28m1 stop
$309United Airlines
Fri, Jan 9 - Mon, Jan 12
United Airlines Logo
6:45 am - 12:20 pm
TYS
-
PIA
6h 35m1 stop
United Airlines Logo
3:30 pm - 10:39 pm
PIA
-
TYS
6h 09m1 stop
$339United Airlines
Wed, Dec 31 - Sun, Jan 4
United Airlines Logo
5:35 pm - 9:39 pm
TYS
-
PIA
5h 04m1 stop
United Airlines Logo
3:30 pm - 10:39 pm
PIA
-
TYS
6h 09m1 stop
$414United Airlines
Thu, Jan 1 - Mon, Jan 5
United Airlines Logo
7:20 pm - 2:23 pm
TYS
-
PIA
20h 03m2 stops
United Airlines Logo
1:24 pm - 8:52 pm
PIA
-
TYS
6h 28m1 stop
$429United Airlines
Fri, Jan 9 - Mon, Jan 12
United Airlines Logo
7:23 pm - 2:08 pm
TYS
-
PIA
19h 45m2 stops
United Airlines Logo
3:30 pm - 10:39 pm
PIA
-
TYS
6h 09m1 stop
$463United Airlines
Thu, Jan 1 - Mon, Jan 5
United Airlines Logo
7:23 pm - 12:20 pm
TYS
-
PIA
17h 57m2 stops
United Airlines Logo
3:30 pm - 10:39 pm
PIA
-
TYS
6h 09m1 stop
$487United Airlines
Wed, Dec 31 - Sun, Jan 4
American Airlines Logo
5:08 pm - 8:43 am
TYS
-
PIA
16h 35m1 stop
American Airlines Logo
7:59 pm - 10:50 am
PIA
-
TYS
13h 51m1 stop
$512American Airlines
Sun, Dec 28 - Fri, Jan 2
United Airlines Logo
6:45 am - 4:43 pm
TYS
-
PIA
10h 58m1 stop
United Airlines Logo
5:19 pm - 7:51 pm
PIA
-
TYS
25h 32m2 stops
$617United Airlines
Sun, Dec 28 - Fri, Jan 2
American Airlines Logo
3:01 pm - 7:29 pm
TYS
-
PIA
5h 28m1 stop
American Airlines Logo
6:00 am - 2:21 pm
PIA
-
TYS
7h 21m2 stops
$631American Airlines
Sun, Dec 28 - Fri, Jan 2
United Airlines Logo
5:45 am - 9:39 pm
TYS
-
PIA
16h 54m2 stops
United Airlines Logo
5:19 pm - 7:51 pm
PIA
-
TYS
25h 32m2 stops
$673United Airlines
Sun, Dec 28 - Fri, Jan 2

United Airlines flights from Knoxville to Peoria, Illinois

Our best United Airlines deals on Knoxville to Peoria, Illinois flight tickets
United Airlines
Jan 9
TYS11:07 amKnoxville McGhee Tyson
6h 36m
1 stop
PIA4:43 pmGreater Peoria
Jan 12
PIA1:24 pmGreater Peoria
6h 28m
1 stop
TYS8:52 pmKnoxville McGhee Tyson
$309
Find similar
United Airlines
Dec 31
TYS6:45 amKnoxville McGhee Tyson
6h 35m
1 stop
PIA12:20 pmGreater Peoria
Jan 4
PIA3:30 pmGreater Peoria
6h 09m
1 stop
TYS10:39 pmKnoxville McGhee Tyson
$339
Find similar
United Airlines
Jan 1
TYS5:35 pmKnoxville McGhee Tyson
5h 04m
1 stop
PIA9:39 pmGreater Peoria
Jan 5
PIA3:30 pmGreater Peoria
6h 09m
1 stop
TYS10:39 pmKnoxville McGhee Tyson
$414
Find similar

American Airlines flights from Knoxville to Peoria, Illinois

Our best American Airlines deals on Knoxville to Peoria, Illinois flight tickets
American Airlines
Dec 28
TYS5:08 pmKnoxville McGhee Tyson
16h 35m
1 stop
PIA8:43 amGreater Peoria
Jan 2
PIA7:59 pmGreater Peoria
13h 51m
1 stop
TYS10:50 amKnoxville McGhee Tyson
$512
Find similar
American Airlines
Dec 28
TYS3:01 pmKnoxville McGhee Tyson
5h 28m
1 stop
PIA7:29 pmGreater Peoria
Jan 2
PIA6:00 amGreater Peoria
7h 21m
2 stops
TYS2:21 pmKnoxville McGhee Tyson
$631
Find similar

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 December 18, 2025.
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 1/9

11:07 am-2:23 pm

1 stop4h 16m

Greater Peoria

Mon 1/12

1:24 pm-8:52 pm

1 stop6h 28m

$309

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Wed 12/31

6:45 am-12:20 pm

1 stop6h 35m

Greater Peoria

Sun 1/4

3:30 pm-10:39 pm

1 stop6h 09m

$339

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Thu 1/1

5:35 pm-9:39 pm

1 stop5h 04m

Greater Peoria

Mon 1/5

3:30 pm-10:39 pm

1 stop6h 09m

$414

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Fri 1/9

7:20 pm-2:23 pm

2 stops20h 03m

Greater Peoria

Mon 1/12

1:24 pm-8:52 pm

1 stop6h 28m

$429

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Thu 1/1

7:23 pm-2:08 pm

2 stops19h 45m

Greater Peoria

Mon 1/5

3:30 pm-10:39 pm

1 stop6h 09m

$463

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Wed 12/31

7:23 pm-12:20 pm

2 stops17h 57m

Greater Peoria

Sun 1/4

3:30 pm-10:39 pm

1 stop6h 09m

$487

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sun 12/28

5:08 pm-8:43 am

1 stop16h 35m

Greater Peoria

Fri 1/2

7:59 pm-10:50 am

1 stop13h 51m

$512

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sun 12/28

6:45 am-4:43 pm

1 stop10h 58m

Greater Peoria

Fri 1/2

5:19 pm-7:51 pm

2 stops25h 32m

$617

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sun 12/28

3:01 pm-7:29 pm

1 stop5h 28m

Greater Peoria

Fri 1/2

6:00 am-2:21 pm

2 stops7h 21m

$631

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Sun 12/28

5:45 am-9:39 pm

2 stops16h 54m

Greater Peoria

Fri 1/2

5:19 pm-7:51 pm

2 stops25h 32m

$673

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 month to fly to Peoria, Illinois?

The cheapest month to fly to Peoria, Illinois from Knoxville is in October. Flight prices, which tend to average around $228, are often lower during this time because this is during the off-season. If you’re not able to fly to Peoria, Illinois in October, then January is your next best option. Flight prices from Knoxville to Peoria, Illinois during January average around $238.

What is the cheapest day to depart on your flight to Peoria, Illinois?

Our data shows that Wednesday is the least expensive day to fly to Peoria, Illinois. Tickets to fly out on this day can be as low as $298. If your travel schedule is flexible, try to avoid departing on a Thursday because tickets tend to average around $442. These prices are subject to change though, so be sure to set up a Price Alert for flights to Peoria, Illinois.

What is the cheapest time of day to depart on your flight to Peoria, Illinois?

Our most recent data shows that the best time of day to fly to Peoria, Illinois is in the morning. Flights from Knoxville to Peoria, Illinois during this time can be as low as $318. Try not to purchase tickets in the afternoon because they tend to be around $434. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

6h 36m

Direct flights

None
The fastest flight from Knoxville to Peoria, Illinois takes 6h 36m
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 6h 36m 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
9,091 reviews
Search United Airlines flights
American AirlinesPriceFrom $228Free CancellationRating
7.2
11,054 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

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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