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

709 flights are operational weekly from Tennessee to Illinois as of July 2025. The most popular departure day for this route is Thu, with 21% of flights per week taking off on this day.

What is the cheapest airline that flies from Tennessee to Illinois?

Spirit Airlines, Southwest, and Allegiant Air are the most popular carriers operating from Tennessee to Illinois

What airlines fly to Illinois?

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Illinois from Tennessee according to our data. American Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 8 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

How long is the flight from Tennessee to Illinois?

The flight from Tennessee to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Nashville (a popular airport in Tennessee) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 1h 45m on average. If you fly from Chattanooga (another popular airport in Tennessee) to Chicago O'Hare Intl Airport, then the average flight time is 1h 54m.

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

As of July 2025, 101 flights take off from Tennessee and land in Illinois each day. The most common flight departure time for this route is 7:00AM, with 46% of daily flights taking off in the afternoon.

When did momondo last update prices for flights from Tennessee to Illinois?

Prices for flights from Tennessee to Illinois are updated daily.

How many operators does momondo search for flights from Tennessee to Illinois?

As of July 2025, there are 8 operators available to choose from for flights from Tennessee to Illinois.

How old do you have to be to fly from Tennessee to Illinois?

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 Tennessee to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$31 Cheap Flights from Tennessee to Illinois in 2025

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Find the cheapest flights from Tennessee to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:24 pm - 7:00 pmTYS-MDW

1h 36mnonstop

7:50 pm - 10:21 pmMDW-TYS

1h 31mnonstop

$58Allegiant Air

Find Deal

Fri, Sep 5 - Mon, Sep 8

7:52 pm - 9:46 pmBNA-ORD

1h 54mnonstop

12:31 pm - 2:01 pmORD-BNA

1h 30mnonstop

$58Spirit Airlines

Find Deal

Thu, Oct 30 - Sun, Nov 2

4:20 pm - 6:15 pmBNA-ORD

1h 55mnonstop

1:52 pm - 3:35 pmORD-BNA

1h 43mnonstop

$75Frontier

Find Deal

Fri, Nov 7 - Sun, Nov 9

4:20 pm - 6:15 pmBNA-ORD

1h 55mnonstop

1:52 pm - 3:35 pmORD-BNA

1h 43mnonstop

$77Frontier

Find Deal

Thu, Nov 6 - Sun, Nov 9

9:15 am - 11:01 amBNA-ORD

1h 46mnonstop

10:11 am - 11:42 amORD-BNA

1h 31mnonstop

$97American Airlines

Find Deal

Sat, Sep 13 - Sat, Sep 20

8:20 am - 10:00 amBNA-MDW

1h 40mnonstop

7:55 am - 9:25 amMDW-BNA

1h 30mnonstop

$97Southwest

Find Deal

Thu, Aug 21 - Mon, Aug 25

8:20 am - 10:00 amBNA-MDW

1h 40mnonstop

3:20 pm - 8:40 pmMDW-BNA

5h 20m1 stop

$107Southwest

Find Deal

Thu, Aug 21 - Mon, Aug 25

9:15 am - 11:01 amBNA-ORD

1h 46mnonstop

8:39 am - 10:11 amORD-BNA

1h 32mnonstop

$127American Airlines

Find Deal

Sat, Sep 6 - Sun, Sep 7

7:00 am - 7:55 amTYS-ORD

1h 55mnonstop

7:55 pm - 10:45 pmORD-TYS

1h 50mnonstop

$189United Airlines

Find Deal

Thu, Sep 4 - Sun, Sep 7

7:00 am - 7:57 amTYS-ORD

1h 57mnonstop

7:18 am - 10:13 amORD-TYS

1h 55mnonstop

$194United Airlines

Find Deal

Thu, Aug 14 - Fri, Aug 22

Spirit Airlines flights from Tennessee to Illinois

Our best Spirit Airlines deals on Tennessee to Illinois flight tickets

Spirit Airlines

Oct 30

BNA7:52 pmNashville Intl

1h 54m

ORD9:46 pmChicago O'Hare Intl

Nov 2

ORD12:31 pmChicago O'Hare Intl

1h 30m

BNA2:01 pmNashville Intl

$58

Find similar

Spirit Airlines

Oct 17

BNA3:25 pmNashville Intl

2h 00m

ORD5:25 pmChicago O'Hare Intl

Oct 19

ORD12:05 pmChicago O'Hare Intl

1h 30m

BNA1:35 pmNashville Intl

$59

Find similar

Spirit Airlines

Oct 30

BNA7:25 pmNashville Intl

1h 54m

ORD9:19 pmChicago O'Hare Intl

Nov 2

ORD12:05 pmChicago O'Hare Intl

1h 30m

BNA1:35 pmNashville Intl

$65

Find similar

Frontier flights from Tennessee to Illinois

Our best Frontier deals on Tennessee to Illinois flight tickets

Frontier

Nov 7

BNA4:20 pmNashville Intl

1h 55m

ORD6:15 pmChicago O'Hare Intl

Nov 9

ORD1:52 pmChicago O'Hare Intl

1h 43m

BNA3:35 pmNashville Intl

$75

Find similar

Frontier

Nov 6

BNA4:20 pmNashville Intl

1h 55m

ORD6:15 pmChicago O'Hare Intl

Nov 9

ORD1:52 pmChicago O'Hare Intl

1h 43m

BNA3:35 pmNashville Intl

$77

Find similar

Frontier

Aug 8

BNA3:07 pmNashville Intl

2h 04m

ORD5:11 pmChicago O'Hare Intl

Aug 11

ORD12:35 pmChicago O'Hare Intl

1h 39m

BNA2:14 pmNashville Intl

$83

Find similar

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleChicago

TYS - MDW

TYSMDW

Knoxville McGhee Tyson

Fri 9/5

6:24 pm-7:00 pm

Nonstop1h 36m

Chicago Midway

Mon 9/8

7:50 pm-10:21 pm

Nonstop1h 31m

$58

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

Thu 10/30

7:52 pm-9:46 pm

Nonstop1h 54m

Chicago O'Hare Intl

Sun 11/2

12:31 pm-2:01 pm

Nonstop1h 30m

$58

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

Fri 11/7

4:20 pm-6:15 pm

Nonstop1h 55m

Chicago O'Hare Intl

Sun 11/9

1:52 pm-3:35 pm

Nonstop1h 43m

$75

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

Thu 11/6

4:20 pm-6:15 pm

Nonstop1h 55m

Chicago O'Hare Intl

Sun 11/9

1:52 pm-3:35 pm

Nonstop1h 43m

$77

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

Sat 9/13

9:15 am-11:01 am

Nonstop1h 46m

Chicago O'Hare Intl

Sat 9/20

10:11 am-11:42 am

Nonstop1h 31m

$97

NashvilleChicago

BNA - MDW

BNAMDW

Nashville Intl

Thu 8/21

8:20 am-10:00 am

Nonstop1h 40m

Chicago Midway

Mon 8/25

7:55 am-9:25 am

Nonstop1h 30m

$97

NashvilleChicago

BNA - MDW

BNAMDW

Nashville Intl

Thu 8/21

8:20 am-10:00 am

Nonstop1h 40m

Chicago Midway

Mon 8/25

3:20 pm-8:40 pm

1 stop5h 20m

$107

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

Sat 9/6

9:15 am-11:01 am

Nonstop1h 46m

Chicago O'Hare Intl

Sun 9/7

8:39 am-10:11 am

Nonstop1h 32m

$127

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Thu 9/4

7:00 am-7:55 am

Nonstop1h 55m

Chicago O'Hare Intl

Sun 9/7

7:55 pm-10:45 pm

Nonstop1h 50m

$189

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Thu 8/14

7:00 am-7:57 am

Nonstop1h 57m

Chicago O'Hare Intl

Fri 8/22

7:18 am-10:13 am

Nonstop1h 55m

$194

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 Tennessee to 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

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Tennessee is in August. Flight prices, which tend to average around $136, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $139.

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

The cheapest day to depart from Tennessee to Illinois is on a Friday when prices can be found for as low as $305. Flights from Tennessee to Illinois on a Sunday will generally be more expensive and average around $809. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Tennessee to Illinois during this time can be as low as $193. Flights in the afternoon are often more expensive with an average ticket price of $631.

What is the cheapest Tennessee to Illinois flight route?

Fly from Knoxville McGhee Tyson to Belleville for the best Tennessee - Illinois flight prices

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

You are more likely to see cheaper flights to Illinois from Tennessee when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $187 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Tennessee for as low as $130 on momondo.

What cabin class options are available on Tennessee to Illinois flights?

There are 4 cabin classes available to choose from on Tennessee to Illinois 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 Tennessee to Illinois flights?

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

Cheap Tennessee to Illinois flight deals and tips

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

Best Price Found	$31
Fastest flight time	1h 15m
Direct flights	Every day
Airports in Illinois	3 airports

The best one-way flight to Illinois from Tennessee in the past 72 hours is $31. The best round-trip flight deal from Tennessee to Illinois found on momondo in the last 72 hours is $58.

The fastest flight from Tennessee to Illinois takes 1h 15m

Direct flights go from Tennessee to Illinois every day.

There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)

Search flight deals

When did momondo last update prices for flights from Tennessee to Illinois?
Prices for flights from Tennessee to Illinois are updated daily.
How many operators does momondo search for flights from Tennessee to Illinois?
As of July 2025, there are 8 operators available to choose from for flights from Tennessee to Illinois.
How old do you have to be to fly from Tennessee to Illinois?
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 Tennessee to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Tennessee to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Tennessee to Illinois is Boeing 737 MAX 8, representing 12.69% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 12.21%, Canadair (Bombardier) Regional Jet 700 at 9.51%, and Airbus A319 at 8.46%.

Best airlines flying from Tennessee to Illinois

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

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $36	Free Cancellation	Rating 5.9 3,239 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $43	Free Cancellation	Rating 6.3 8,048 reviews	Search Spirit Airlines flights
Allegiant Air	PriceFrom $58	Free Cancellation	Rating 7.2 702 reviews	Search Allegiant Air flights
Southwest	PriceFrom $98	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
American Airlines	PriceFrom $99	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $110	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
United Airlines	PriceFrom $119	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Denver Air Connection	PriceFrom $182	Free Cancellation	Rating 9.2 13 reviews	Search Denver Air Connection flights

Why use momondo?

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

It is quick and easy to find Tennessee to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

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

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

momondo helps you find the best flight between Tennessee and Illinois 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 Tennessee to Illinois right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Illinois from Tennessee. 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.

An easier way to manage your Illinois 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.

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Find better results for your trip to Illinois

Popular cities in Illinois

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Flights to Seattlefrom $93

Cheap flights from Tennessee to Illinois from $31

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Tennessee to Illinois departing on 10/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Tennessee to Illinois

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Spirit Airlines flights from Tennessee to Illinois

Our best Spirit Airlines deals on Tennessee to Illinois flight tickets

Frontier flights from Tennessee to Illinois

Our best Frontier deals on Tennessee to Illinois flight tickets

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Use the filters below to find and compare flights from Tennessee to Illinois that are best for you.

See travel insights to Illinois from

How to get the cheapest flight ticket from Tennessee to 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 Illinois?

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

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

Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Tennessee to Illinois during this time can be as low as $193. Flights in the afternoon are often more expensive with an average ticket price of $631.

What is the cheapest Tennessee to Illinois flight route?

Fly from Knoxville McGhee Tyson to Belleville for the best Tennessee - Illinois flight prices

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

What cabin class options are available on Tennessee to Illinois flights?

There are 4 cabin classes available to choose from on Tennessee to Illinois 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 Tennessee to Illinois flights?

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

What is the cheapest airline that flies from Tennessee to Illinois?

Spirit Airlines, Southwest, and Allegiant Air are the most popular carriers operating from Tennessee to Illinois

What airlines fly to Illinois?

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

As of July 2025, 101 flights take off from Tennessee and land in Illinois each day. The most common flight departure time for this route is 7:00AM, with 46% of daily flights taking off in the afternoon.

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

709 flights are operational weekly from Tennessee to Illinois as of July 2025. The most popular departure day for this route is Thu, with 21% of flights per week taking off on this day.

How long is the flight from Tennessee to Illinois?

Cheap Tennessee to Illinois flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

When did momondo last update prices for flights from Tennessee to Illinois?

How many operators does momondo search for flights from Tennessee to Illinois?

How old do you have to be to fly from Tennessee to Illinois?

What documentation or ID do you need to fly to Illinois?

What is the most popular plane model from Tennessee to Illinois?

Best airlines flying from Tennessee to Illinois

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

Why use momondo?

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

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

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

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

An easier way to manage your Illinois 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 Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo