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Cheap flights from Illinois to Knoxville from $55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Knoxville departing on 11/24. 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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Cheap round-trip flights

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Frontier Logo
7:00 am - 3:57 pmORD-TYS
7h 57m1 stop
Frontier Logo
4:52 pm - 12:12 amTYS-ORD
8h 20m1 stop
$150Frontier
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Thu, Dec 11 - Mon, Dec 15
Multiple Airlines Logo
3:43 pm - 12:03 pmORD-TYS
19h 20m1 stop
Multiple Airlines Logo
5:23 pm - 4:54 pmTYS-ORD
24h 31m1 stop
$185Multiple Airlines
Find Deal
Tue, Dec 2 - Sun, Dec 7
Multiple Airlines Logo
7:25 am - 7:14 pmORD-TYS
10h 49m1 stop
Multiple Airlines Logo
4:52 pm - 12:12 amTYS-ORD
8h 20m1 stop
$186Multiple Airlines
Find Deal
Fri, Dec 12 - Mon, Dec 15
United Airlines Logo
6:20 pm - 9:02 pmORD-TYS
1h 42mnonstop
United Airlines Logo
6:45 am - 7:48 amTYS-ORD
2h 03mnonstop
$189United Airlines
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Fri, Jan 16 - Sun, Jan 18
American Airlines Logo
6:48 pm - 9:40 pmORD-TYS
1h 52mnonstop
American Airlines Logo
2:58 pm - 4:06 pmTYS-ORD
2h 08mnonstop
$190American Airlines
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Thu, Dec 4 - Mon, Dec 8
American Airlines Logo
7:29 pm - 10:09 pmORD-TYS
1h 40mnonstop
American Airlines Logo
7:54 am - 9:02 amTYS-ORD
2h 08mnonstop
$193American Airlines
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Sat, Jan 10 - Sat, Jan 31
United Airlines Logo
10:35 am - 1:17 pmORD-TYS
1h 42mnonstop
United Airlines Logo
1:52 pm - 2:53 pmTYS-ORD
2h 01mnonstop
$199United Airlines
Find Deal
Fri, Nov 28 - Mon, Dec 1
Delta Logo
5:59 pm - 11:28 pmORD-TYS
4h 29m1 stop
Delta Logo
7:59 pm - 12:01 amTYS-ORD
5h 02m1 stop
$209Delta
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Fri, Dec 5 - Mon, Dec 8
Delta Logo
5:13 pm - 11:28 pmMDW-TYS
5h 15m1 stop
Delta Logo
7:59 pm - 11:47 pmTYS-MDW
4h 48m1 stop
$209Delta
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Fri, Dec 5 - Mon, Dec 8
American Airlines Logo
9:51 am - 12:44 pmORD-TYS
1h 53mnonstop
American Airlines Logo
1:14 pm - 2:17 pmTYS-ORD
2h 03mnonstop
$214American Airlines
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Thu, Dec 4 - Wed, Dec 10

American Airlines flights from Illinois to Knoxville

Our best American Airlines deals on Illinois to Knoxville flight tickets
American Airlines
Dec 4
ORD6:48 pmChicago O'Hare Intl
1h 52m
TYS9:40 pmKnoxville McGhee Tyson
Dec 8
TYS2:58 pmKnoxville McGhee Tyson
2h 08m
ORD4:06 pmChicago O'Hare Intl
$190
Find similar
American Airlines
Jan 10
ORD7:29 pmChicago O'Hare Intl
1h 40m
TYS10:09 pmKnoxville McGhee Tyson
Jan 31
TYS7:54 amKnoxville McGhee Tyson
2h 08m
ORD9:02 amChicago O'Hare Intl
$193
Find similar
American Airlines
Dec 4
ORD9:51 amChicago O'Hare Intl
1h 53m
TYS12:44 pmKnoxville McGhee Tyson
Dec 10
TYS1:14 pmKnoxville McGhee Tyson
2h 03m
ORD2:17 pmChicago O'Hare Intl
$214
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Allegiant Air flights from Illinois to Knoxville

Our best Allegiant Air deals on Illinois to Knoxville flight tickets
Allegiant Air
Nov 10
MDW4:12 pmChicago Midway
1h 25m
TYS6:37 pmKnoxville McGhee Tyson
Nov 17
TYS2:47 pmKnoxville McGhee Tyson
1h 35m
MDW3:22 pmChicago Midway
$146
Find similar
Allegiant Air
Nov 14
MDW3:27 pmChicago Midway
1h 25m
TYS5:52 pmKnoxville McGhee Tyson
Nov 17
TYS2:47 pmKnoxville McGhee Tyson
1h 35m
MDW3:22 pmChicago Midway
$158
Find similar
Allegiant Air
Nov 10
MDW4:12 pmChicago Midway
1h 25m
TYS6:37 pmKnoxville McGhee Tyson
Nov 19
TYS12:44 pmKnoxville McGhee Tyson
21h 38m
1 stop
MDW9:22 amChicago Midway
$198
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momondo Fare Finder

 
Customize your flight search to find flights from 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 November 6, 2025.
Use the filters below to find and compare flights from Illinois to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Thu 12/11

7:00 am-3:57 pm

1 stop7h 57m

Knoxville McGhee Tyson

Mon 12/15

4:52 pm-12:12 am

1 stop8h 20m

$150

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Tue 12/2

3:43 pm-12:03 pm

1 stop19h 20m

Knoxville McGhee Tyson

Sun 12/7

5:23 pm-4:54 pm

1 stop24h 31m

$185

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Fri 12/12

7:25 am-7:14 pm

1 stop10h 49m

Knoxville McGhee Tyson

Mon 12/15

4:52 pm-12:12 am

1 stop8h 20m

$186

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Fri 1/16

6:20 pm-9:02 pm

Nonstop1h 42m

Knoxville McGhee Tyson

Sun 1/18

6:45 am-7:48 am

Nonstop2h 03m

$189

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Thu 12/4

6:48 pm-9:40 pm

Nonstop1h 52m

Knoxville McGhee Tyson

Mon 12/8

2:58 pm-4:06 pm

Nonstop2h 08m

$190

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Sat 1/10

7:29 pm-10:09 pm

Nonstop1h 40m

Knoxville McGhee Tyson

Sat 1/31

7:54 am-9:02 am

Nonstop2h 08m

$193

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Fri 11/28

10:35 am-1:17 pm

Nonstop1h 42m

Knoxville McGhee Tyson

Mon 12/1

1:52 pm-2:53 pm

Nonstop2h 01m

$199

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Fri 12/5

5:59 pm-11:28 pm

1 stop4h 29m

Knoxville McGhee Tyson

Mon 12/8

7:59 pm-12:01 am

1 stop5h 02m

$209

ChicagoKnoxville

MDW - TYS

MDWTYS

Chicago Midway

Fri 12/5

5:13 pm-11:28 pm

1 stop5h 15m

Knoxville McGhee Tyson

Mon 12/8

7:59 pm-11:47 pm

1 stop4h 48m

$209

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Thu 12/4

9:51 am-12:44 pm

Nonstop1h 53m

Knoxville McGhee Tyson

Wed 12/10

1:14 pm-2:17 pm

Nonstop2h 03m

$214

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Knoxville from

How to get the cheapest flight ticket from 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 month to fly to Knoxville?

The month of September is, on average, the cheapest month to fly to Knoxville from Illinois, with most prices found around $229. If you aren’t able to travel during the month of September, then book flights to Knoxville from Illinois during January instead. Flights to Knoxville in January, while not as cheap as those in September, still average around $244.

What is the cheapest day to depart on your flight to Knoxville?

The cheapest day to depart from Illinois to Knoxville is on a Wednesday. Travelers who choose to depart for Knoxville on a Wednesday will often find tickets for as low as $266. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Knoxville for around $321.

What is the cheapest time of day to depart on your flight to Knoxville?

At noon is the cheapest time of day to fly from Illinois to Knoxville when you can find flight prices for as low as $264. Flying to Knoxville at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the morning when prices are around $292.

What is the cheapest Illinois to Knoxville McGhee Tyson flight route?

Fly from Chicago Midway to Knoxville McGhee Tyson for the best Illinois - Knoxville McGhee Tyson flight prices

How far in advance should I book a flight to Knoxville?

You are more likely to see cheaper flights to Knoxville from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $306 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Illinois for as low as $224 on momondo.

What cabin class options are available on Illinois to Knoxville McGhee Tyson flights?

There are 4 cabin classes available to choose from on Illinois to Knoxville McGhee Tyson flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Knoxville flights?

No. A direct flight is the cheapest option for a flight between Illinois to Knoxville.

Cheap Illinois to Knoxville flight deals and tips

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

Best Price Found

$72

Fastest flight time

1h 25m

Direct flights

Every day

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from Illinois in the past 72 hours is $72. The best round-trip flight deal from Illinois to Knoxville found on momondo in the last 72 hours is $136.
The fastest flight from Illinois to Knoxville takes 1h 25m
Direct flights go from Illinois to Knoxville every day.
There is 1 airport near Knoxville: Knoxville McGhee Tyson (TYS)
Search flight deals

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Knoxville McGhee Tyson Airport.

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

    The required travel and health documents for your Knoxville McGhee Tyson Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Illinois to Knoxville?

Best airlines flying from Illinois to Knoxville

Compare and see reviews for airlines that fly from Illinois to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $82Free CancellationRating
7.2
697 reviews
Search Allegiant Air flights
American AirlinesPriceFrom $189Free CancellationRating
7.2
11,041 reviews
Search American Airlines flights
DeltaPriceFrom $193Free CancellationRating
7.9
8,004 reviews
Search Delta flights
United AirlinesPriceFrom $193Free CancellationRating
7.4
9,003 reviews
Search United 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
Crossville
Maryville
Murphy
Alcoa
Oak Ridge
Newport
Lenoir City
Kodak
Dandridge
Clinton
Jefferson City
Rockford

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Knoxville for you.

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

Yes. momondo enables you to select and highlight flights to Knoxville from Illinois with this policy.

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

Once you have performed a search for Illinois to Knoxville flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Illinois to Knoxville now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Knoxville and let you know when they change.

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