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Cheap flights from Knoxville to Peoria from $229

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 9/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Knoxville to Peoria (TYS-PIA)

Cheap round-trip flights

American Airlines Logo
8:31 pm - 12:14 amTYS-PIA
4h 43m1 stop
American Airlines Logo
8:19 am - 1:43 pmPIA-TYS
4h 24m1 stop
$229American Airlines
Find Deal
Thu, Sep 18 - Tue, Sep 23
American Airlines Logo
8:31 pm - 12:14 amTYS-PIA
4h 43m1 stop
American Airlines Logo
10:39 am - 6:50 pmPIA-TYS
7h 11m2 stops
$234American Airlines
Find Deal
Thu, Sep 18 - Tue, Sep 23
United Airlines Logo
7:00 am - 10:13 amTYS-PIA
4h 13m1 stop
United Airlines Logo
5:19 pm - 10:45 pmPIA-TYS
4h 26m1 stop
$289United Airlines
Find Deal
Fri, Sep 5 - Mon, Sep 8
American Airlines Logo
7:43 pm - 11:05 pmTYS-PIA
4h 22m1 stop
American Airlines Logo
11:16 am - 5:32 pmPIA-TYS
5h 16m1 stop
$331American Airlines
Find Deal
Fri, Oct 24 - Sun, Oct 26
Logo
10:37 am - 5:40 pmTYS-PIA
8h 03m1 stop
Logo
8:25 pm - 3:51 pmPIA-TYS
18h 26m2 stops
$336
Find Deal
Mon, Aug 18 - Fri, Aug 22
Allegiant Air Logo
10:37 am - 5:40 pmTYS-PIA
8h 03m1 stop
Allegiant Air Logo
9:32 am - 4:22 pmPIA-TYS
5h 50m1 stop
$339Allegiant Air
Find Deal
Mon, Aug 18 - Fri, Aug 22
American Airlines Logo
5:30 am - 10:51 amTYS-PIA
6h 21m1 stop
American Airlines Logo
9:54 am - 2:43 pmPIA-TYS
3h 49m1 stop
$372American Airlines
Find Deal
Mon, Sep 1 - Mon, Sep 8
United Airlines Logo
9:55 am - 8:52 pmTYS-PIA
11h 57m2 stops
United Airlines Logo
5:19 pm - 10:45 pmPIA-TYS
4h 26m1 stop
$388United Airlines
Find Deal
Fri, Sep 5 - Mon, Sep 8
United Airlines Logo
7:00 am - 10:13 amTYS-PIA
4h 13m1 stop
United Airlines Logo
5:19 pm - 10:13 amPIA-TYS
15h 54m1 stop
$398United Airlines
Find Deal
Fri, Sep 5 - Sun, Sep 7
Logo
7:00 am - 2:28 pmTYS-PIA
32h 28m3 stops
Logo
10:47 am - 5:29 pmPIA-TYS
5h 42m1 stop
$439
Find Deal
Thu, Sep 18 - Sun, Sep 21

American Airlines flights from Knoxville to Peoria, Illinois

Our best American Airlines deals on Knoxville to Peoria, Illinois flight tickets
American Airlines
Sep 18
TYS8:31 pmKnoxville McGhee Tyson
4h 43m
1 stop
PIA12:14 amGreater Peoria
Sep 23
PIA8:19 amGreater Peoria
4h 24m
1 stop
TYS1:43 pmKnoxville McGhee Tyson
$229
Find similar
American Airlines
Sep 18
TYS8:31 pmKnoxville McGhee Tyson
4h 43m
1 stop
PIA12:14 amGreater Peoria
Sep 23
PIA10:39 amGreater Peoria
7h 11m
2 stops
TYS6:50 pmKnoxville McGhee Tyson
$234
Find similar
American Airlines
Aug 7
TYS5:30 amKnoxville McGhee Tyson
6h 21m
1 stop
PIA10:51 amGreater Peoria
Aug 10
PIA5:00 amGreater Peoria
4h 30m
1 stop
TYS10:30 amKnoxville McGhee Tyson
$279
Find similar

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 13m
1 stop
PIA10:13 amGreater Peoria
Sep 8
PIA5:19 pmGreater Peoria
4h 26m
1 stop
TYS10:45 pmKnoxville McGhee Tyson
$289
Find similar
United Airlines
Sep 5
TYS9:55 amKnoxville McGhee Tyson
11h 57m
2 stops
PIA8:52 pmGreater Peoria
Sep 8
PIA5:19 pmGreater Peoria
4h 26m
1 stop
TYS10:45 pmKnoxville McGhee Tyson
$388
Find similar
United Airlines
Sep 5
TYS7:00 amKnoxville McGhee Tyson
4h 13m
1 stop
PIA10:13 amGreater Peoria
Sep 7
PIA5:19 pmGreater Peoria
15h 54m
1 stop
TYS10:13 amKnoxville McGhee Tyson
$398
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 August 4, 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

Thu 9/18

8:31 pm-12:14 am

1 stop4h 43m

Greater Peoria

Tue 9/23

8:19 am-1:43 pm

1 stop4h 24m

$229

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Thu 9/18

8:31 pm-12:14 am

1 stop4h 43m

Greater Peoria

Tue 9/23

10:39 am-6:50 pm

2 stops7h 11m

$234

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Fri 9/5

7:00 am-10:13 am

1 stop4h 13m

Greater Peoria

Mon 9/8

5:19 pm-10:45 pm

1 stop4h 26m

$289

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Fri 10/24

7:43 pm-11:05 pm

1 stop4h 22m

Greater Peoria

Sun 10/26

11:16 am-5:32 pm

1 stop5h 16m

$331

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Mon 8/18

10:37 am-5:40 pm

1 stop8h 03m

Greater Peoria

Fri 8/22

8:25 pm-3:51 pm

2 stops18h 26m

$336

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Mon 8/18

10:37 am-5:40 pm

1 stop8h 03m

Greater Peoria

Fri 8/22

9:32 am-4:22 pm

1 stop5h 50m

$339

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Mon 9/1

5:30 am-10:51 am

1 stop6h 21m

Greater Peoria

Mon 9/8

9:54 am-2:43 pm

1 stop3h 49m

$372

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Fri 9/5

9:55 am-8:52 pm

2 stops11h 57m

Greater Peoria

Mon 9/8

5:19 pm-10:45 pm

1 stop4h 26m

$388

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Fri 9/5

7:00 am-10:13 am

1 stop4h 13m

Greater Peoria

Sun 9/7

5:19 pm-10:13 am

1 stop15h 54m

$398

KnoxvillePeoria

TYS - PIA

TYSPIA

Knoxville McGhee Tyson

Thu 9/18

7:00 am-2:28 pm

3 stops32h 28m

Greater Peoria

Sun 9/21

10:47 am-5:29 pm

1 stop5h 42m

$439

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 January. Flight prices, which tend to average around $238, are often lower during this time because this is during the off-season. If you’re not able to fly to Peoria, Illinois in January, then August is your next best option. Flight prices from Knoxville to Peoria, Illinois during August average around $249.

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

Best Price Found

$229

Fastest flight time

4h 13m

Direct flights

None

Airports in Peoria, Illinois

1 airport
The best flight deal from Knoxville to Peoria, Illinois found on momondo in the last 72 hours is $229
The fastest flight from Knoxville to Peoria, Illinois takes 4h 13m
There are no direct flights from Knoxville to Peoria, Illinois. Popular non-direct route for this connection is Knoxville McGhee Tyson Airport - Greater Peoria Airport.
There is 1 airport near Peoria, Illinois: Greater Peoria (PIA)
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  • 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 13m 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 $228Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $287Free CancellationRating
7.4
8,912 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
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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