How many flights depart from Illinois to Knoxville on average per day?

The number of flights available between Illinois and Knoxville is 19 per day as of February 2026. The most frequent departure time is 6:00PM, with 37% of daily flights leaving at noon.

What airlines fly to Knoxville?

American Airlines, United Airlines and Allegiant Air are the top three most popular airlines that fly to Knoxville from Illinois according to our data. American Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Knoxville. Keep in mind that there are 4 different airlines that fly to Knoxville on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Illinois to Knoxville McGhee Tyson?

Southwest, Delta, and United Airlines are the most popular carriers operating from Illinois to Knoxville McGhee Tyson

How many flights depart from Illinois to Knoxville on average per week?

134 flights are operational weekly from Illinois to Knoxville as of February 2026. The most popular departure day for this route is Fri, with 18% of flights per week taking off on this day.

How long does it take to fly to Knoxville?

Average flight duration from Illinois to Knoxville depends on which airport you fly into and out of. Flying from Chicago to Knoxville is 1h 32m on average, while flying from Moline to Knoxville is 3h 45m on average. Knoxville is the most popular airport in Knoxville.

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?

There are 4 operators available for flights from Illinois to Knoxville McGhee Tyson Airport as of February 2026.

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.

$92 Cheap Flights from Illinois to Knoxville in 2026

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Find the cheapest flights from Illinois to Knoxville

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:45 pm - 10:29 pm

ORD

TYS

1h 44mnonstop

7:00 am - 7:55 am

TYS

ORD

1h 55mnonstop

$189United Airlines

Fri, Apr 3 - Tue, Apr 7

6:40 pm - 9:24 pm

ORD

TYS

1h 44mnonstop

7:40 am - 8:48 am

TYS

ORD

2h 08mnonstop

$190American Airlines

Fri, Apr 3 - Sun, Apr 5

2:05 pm - 4:54 pm

ORD

TYS

1h 49mnonstop

5:56 pm - 6:50 pm

TYS

ORD

1h 54mnonstop

$198United Airlines

Thu, May 7 - Sun, May 10

7:15 am - 10:08 am

ORD

TYS

1h 53mnonstop

7:00 am - 7:55 am

TYS

ORD

1h 55mnonstop

$199United Airlines

Thu, Apr 2 - Mon, Apr 6

8:15 am - 3:07 pm

ORD

TYS

5h 52m

1 stop

7:30 am - 12:39 pm

TYS

ORD

6h 09m

1 stop

$209Delta

Sun, Aug 16 - Sat, Aug 22

9:35 am - 4:43 pm

MDW

TYS

6h 08m

1 stop

7:40 am - 12:29 pm

TYS

MDW

5h 49m

1 stop

$209Delta

Tue, Mar 24 - Tue, Mar 31

6:00 am - 6:45 pm

ORD

TYS

11h 45m

1 stop

7:05 am - 12:50 pm

TYS

ORD

6h 45m

1 stop

$214Southwest

Thu, Apr 2 - Tue, Apr 7

10:00 am - 5:40 pm

MDW

TYS

6h 40m

1 stop

7:50 am - 4:25 pm

TYS

MDW

9h 35m

2 stops

$214Southwest

Wed, Mar 25 - Wed, Apr 1

11:27 am - 10:40 am

STL

TYS

22h 13m

2 stops

4:20 pm - 9:49 am

TYS

STL

18h 29m

1 stop

$242Multiple Airlines

Tue, Mar 24 - Fri, Mar 27

5:34 pm - 5:34 pm

PIA

TYS

23h 00m

1 stop

9:56 pm - 9:40 am

TYS

PIA

12h 44m

1 stop

$380Allegiant Air

Mon, Mar 9 - Fri, Mar 13

Delta flights from Illinois to Knoxville

Our best Delta deals on Illinois to Knoxville flight tickets

Delta

Aug 16

ORD8:15 amChicago O'Hare Intl

5h 52m

1 stop

TYS3:07 pmKnoxville McGhee Tyson

Aug 22

TYS1:30 pmKnoxville McGhee Tyson

6h 32m

1 stop

ORD7:02 pmChicago O'Hare Intl

$209

Delta

Mar 11

ORD9:50 amChicago O'Hare Intl

5h 16m

1 stop

TYS4:06 pmKnoxville McGhee Tyson

Mar 24

TYS5:24 pmKnoxville McGhee Tyson

3h 53m

1 stop

ORD8:17 pmChicago O'Hare Intl

$224

Delta

Mar 7

ORD6:30 amChicago O'Hare Intl

4h 38m

1 stop

TYS12:08 pmKnoxville McGhee Tyson

Mar 10

TYS5:10 pmKnoxville McGhee Tyson

5h 00m

1 stop

ORD9:10 pmChicago O'Hare Intl

$239

United Airlines flights from Illinois to Knoxville

Our best United Airlines deals on Illinois to Knoxville flight tickets

United Airlines

Apr 3

ORD7:45 pmChicago O'Hare Intl

1h 44m

TYS10:29 pmKnoxville McGhee Tyson

Apr 7

TYS7:00 amKnoxville McGhee Tyson

1h 55m

ORD7:55 amChicago O'Hare Intl

$189

United Airlines

May 7

ORD2:05 pmChicago O'Hare Intl

1h 49m

TYS4:54 pmKnoxville McGhee Tyson

May 10

TYS5:56 pmKnoxville McGhee Tyson

1h 54m

ORD6:50 pmChicago O'Hare Intl

$198

United Airlines

Apr 3

ORD7:45 pmChicago O'Hare Intl

1h 44m

TYS10:29 pmKnoxville McGhee Tyson

Apr 6

TYS7:00 amKnoxville McGhee Tyson

1h 55m

ORD7:55 amChicago O'Hare Intl

$199

Fly from

Fly to

Route

Depart

Return

Price

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Fri 4/3

7:45 pm-10:29 pm

Nonstop1h 44m

Knoxville McGhee Tyson

Tue 4/7

7:00 am-7:55 am

Nonstop1h 55m

$189

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Fri 4/3

6:40 pm-9:24 pm

Nonstop1h 44m

Knoxville McGhee Tyson

Sun 4/5

7:40 am-8:48 am

Nonstop2h 08m

$190

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Thu 5/7

2:05 pm-4:54 pm

Nonstop1h 49m

Knoxville McGhee Tyson

Sun 5/10

5:56 pm-6:50 pm

Nonstop1h 54m

$198

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Thu 4/2

7:15 am-10:08 am

Nonstop1h 53m

Knoxville McGhee Tyson

Mon 4/6

7:00 am-7:55 am

Nonstop1h 55m

$199

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Sun 8/16

8:15 am-3:07 pm

1 stop5h 52m

Knoxville McGhee Tyson

Sat 8/22

7:30 am-12:39 pm

1 stop6h 09m

$209

ChicagoKnoxville

MDW - TYS

MDWTYS

Chicago Midway

Tue 3/24

9:35 am-4:43 pm

1 stop6h 08m

Knoxville McGhee Tyson

Tue 3/31

7:40 am-12:29 pm

1 stop5h 49m

$209

ChicagoKnoxville

ORD - TYS

ORDTYS

Chicago O'Hare Intl

Thu 4/2

6:00 am-6:45 pm

1 stop11h 45m

Knoxville McGhee Tyson

Tue 4/7

7:05 am-12:50 pm

1 stop6h 45m

$214

ChicagoKnoxville

MDW - TYS

MDWTYS

Chicago Midway

Wed 3/25

10:00 am-5:40 pm

1 stop6h 40m

Knoxville McGhee Tyson

Wed 4/1

7:50 am-4:25 pm

2 stops9h 35m

$214

St. LouisKnoxville

STL - TYS

STLTYS

Lambert-St Louis

Tue 3/24

11:27 am-10:40 am

2 stops22h 13m

Knoxville McGhee Tyson

Fri 3/27

4:20 pm-9:49 am

1 stop18h 29m

$242

PeoriaKnoxville

PIA - TYS

PIATYS

Greater Peoria

Mon 3/9

5:34 pm-5:34 pm

1 stop23h 00m

Knoxville McGhee Tyson

Fri 3/13

9:56 pm-9:40 am

1 stop12h 44m

$380

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $232. If you aren’t able to travel during the month of September, then book flights to Knoxville from Illinois during June instead. Flights to Knoxville in June, while not as cheap as those in September, still average around $249.

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

The cheapest day to depart from Illinois to Knoxville is on a Saturday. Travelers who choose to depart for Knoxville on a Saturday will often find tickets for as low as $259. 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 $316.

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 $267. 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 afternoon when prices are around $301.

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 $312 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	$138
Fastest flight time	1h 26m
Direct flights	Every day
Airports in Knoxville	1 airport

The best one-way flight to Knoxville from Illinois in the past 72 hours is $138. The best round-trip flight deal from Illinois to Knoxville found on momondo in the last 72 hours is $249.

The fastest flight from Illinois to Knoxville takes 1h 26m

Direct flights go from Illinois to Knoxville every day.

There is 1 airport in Knoxville. From Illinois there are direct flights to 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?
There are 4 operators available for flights from Illinois to Knoxville McGhee Tyson Airport as of February 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to Knoxville is Canadair (Bombardier) Regional Jet 700 (27.89% of total bookings). The next most popular plane models are Canadair (Bombardier) Regional Jet CRJ-550 (22.57%), Airbus A319 (15.78%), and Embraer 175 (Enhanced Winglets) (8.26%).

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 Air	PriceFrom $80	Free Cancellation	Rating 7.2 713 reviews	Search Allegiant Air flights
Delta	PriceFrom $138	Free Cancellation	Rating 7.9 8,239 reviews	Search Delta flights
American Airlines	PriceFrom $188	Free Cancellation	Rating 7.2 11,344 reviews	Search American Airlines flights
United Airlines	PriceFrom $189	Free Cancellation	Rating 7.4 9,344 reviews	Search United Airlines flights

Pigeon Forge

Gatlinburg

Cherokee

Bryson City

Morristown

Corbin

Maryville

Alcoa

Crossville

Murphy

Oak Ridge

Lenoir City

Newport

Kodak

Dandridge

Jefferson City

Clinton

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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Cheap flights from Illinois to Knoxville from $92

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 5/20. 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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How to get the cheapest flight ticket from Illinois to Knoxville

What is the cheapest month to fly to Knoxville?

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

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

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

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

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

Can stopping save me money on Illinois to Knoxville flights?

What is the cheapest airline that flies from Illinois to Knoxville McGhee Tyson?

What airlines fly to Knoxville?

How many flights depart from Illinois to Knoxville on average per day?

How many flights depart from Illinois to Knoxville on average per week?

How long does it take to fly 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

Fastest flight time

Direct flights

Airports in Knoxville

Best airlines flying from Illinois to Knoxville

Compare and see reviews for airlines that fly from Illinois to Knoxville with momondo

Traveling to a place near Knoxville?

Why use momondo?

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

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

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

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

An easier way to manage your Knoxville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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