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Cheap flights from Tennessee to Illinois from $40

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 2/28. 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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American Airlines Logo
9:39 am - 11:44 am
MEM
-
ORD
2h 05mnonstop
American Airlines Logo
10:05 pm - 11:59 pm
ORD
-
MEM
1h 54mnonstop
$144American Airlines
Tue, Apr 28 - Sat, May 9
Multiple Airlines Logo
9:23 pm - 11:22 am
CHA
-
ORD
14h 59m
1 stop
Multiple Airlines Logo
8:16 pm - 5:38 pm
ORD
-
CHA
20h 22m
1 stop
$148Multiple Airlines
Thu, Feb 26 - Wed, Mar 4
Frontier Logo
7:04 pm - 10:25 pm
MEM
-
MDW
27h 21m
1 stop
Frontier Logo
6:25 am - 6:09 pm
MDW
-
MEM
11h 44m
1 stop
$154Frontier
Thu, Feb 19 - Thu, Feb 26
Delta Logo
7:52 pm - 11:59 pm
BNA
-
STL
4h 07m
1 stop
Delta Logo
6:00 am - 11:37 am
STL
-
BNA
5h 37m
1 stop
$157Delta
Mon, May 11 - Sat, May 16
Southwest Logo
4:05 pm - 5:45 pm
MEM
-
MDW
1h 40mnonstop
Southwest Logo
9:35 pm - 11:20 pm
MDW
-
MEM
1h 45mnonstop
$160Southwest
Sat, Mar 14 - Mon, Mar 16
Southwest Logo
8:10 am - 12:50 pm
MEM
-
ORD
4h 40m
1 stop
Southwest Logo
12:15 pm - 8:50 pm
ORD
-
MEM
8h 35m
1 stop
$164Southwest
Tue, Apr 28 - Sat, May 9
Frontier Logo
7:04 pm - 7:47 pm
MEM
-
MDW
24h 43m
1 stop
Frontier Logo
6:05 am - 6:20 pm
MDW
-
MEM
12h 15m
1 stop
$176Frontier
Sun, Mar 1 - Sun, Mar 8
United Airlines Logo
6:30 am - 7:37 am
CHA
-
ORD
2h 07mnonstop
United Airlines Logo
5:45 pm - 8:30 pm
ORD
-
CHA
1h 45mnonstop
$189United Airlines
Sat, Feb 28 - Sat, Mar 7
United Airlines Logo
7:00 am - 7:55 am
TYS
-
ORD
1h 55mnonstop
United Airlines Logo
7:45 pm - 10:29 pm
ORD
-
TYS
1h 44mnonstop
$198United Airlines
Thu, Apr 2 - Thu, Apr 16
Delta Logo
7:30 am - 12:29 pm
CHA
-
MDW
5h 59m
1 stop
Delta Logo
10:43 am - 3:46 pm
MDW
-
CHA
4h 03m
1 stop
$209Delta
Fri, Apr 10 - Thu, Apr 16

American Airlines flights from Tennessee to Illinois

Our best American Airlines deals on Tennessee to Illinois flight tickets
American Airlines
Apr 28
MEM9:39 amMemphis
2h 05m
ORD11:44 amChicago O'Hare Intl
May 9
ORD10:05 pmChicago O'Hare Intl
1h 54m
MEM11:59 pmMemphis
$144
American Airlines
Mar 28
MEM7:01 amMemphis
2h 04m
ORD9:05 amChicago O'Hare Intl
Mar 30
ORD7:30 pmChicago O'Hare Intl
1h 56m
MEM9:26 pmMemphis
$165
American Airlines
Apr 28
MEM9:39 amMemphis
2h 05m
ORD11:44 amChicago O'Hare Intl
May 9
ORD1:54 pmChicago O'Hare Intl
5h 53m
1 stop
MEM7:47 pmMemphis
$184

Spirit Airlines flights from Tennessee to Illinois

Our best Spirit Airlines deals on Tennessee to Illinois flight tickets
Spirit Airlines
Feb 27
BNA8:30 amNashville Intl
16h 10m
2 stops
ORD12:40 amChicago O'Hare Intl
Mar 1
ORD8:16 pmChicago O'Hare Intl
11h 09m
1 stop
BNA7:25 amNashville Intl
$192
Spirit Airlines
Feb 19
BNA6:15 amNashville Intl
11h 31m
1 stop
ORD5:46 pmChicago O'Hare Intl
Feb 23
ORD6:51 pmChicago O'Hare Intl
24h 57m
3 stops
BNA7:48 pmNashville Intl
$196
Spirit Airlines
Feb 7
BNA8:40 amNashville Intl
12h 23m
1 stop
ORD9:03 pmChicago O'Hare Intl
Feb 9
ORD8:43 pmChicago O'Hare Intl
10h 42m
1 stop
BNA7:25 amNashville Intl
$198

momondo Fare Finder

 
Customize your flight search to find flights from Tennessee to 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 February 3, 2026.
Use the filters below to find and compare flights from Tennessee to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MemphisChicago

MEM - ORD

MEMORD

Memphis

Tue 4/28

9:39 am-11:44 am

Nonstop2h 05m

Chicago O'Hare Intl

Sat 5/9

10:05 pm-11:59 pm

Nonstop1h 54m

$144

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Thu 2/26

9:23 pm-11:22 am

1 stop14h 59m

Chicago O'Hare Intl

Wed 3/4

8:16 pm-5:38 pm

1 stop20h 22m

$148

MemphisChicago

MEM - MDW

MEMMDW

Memphis

Thu 2/19

7:04 pm-10:25 pm

1 stop27h 21m

Chicago Midway

Thu 2/26

6:25 am-6:09 pm

1 stop11h 44m

$154

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Mon 5/11

7:52 pm-11:59 pm

1 stop4h 07m

Lambert-St Louis

Sat 5/16

6:00 am-11:37 am

1 stop5h 37m

$157

MemphisChicago

MEM - MDW

MEMMDW

Memphis

Sat 3/14

4:05 pm-5:45 pm

Nonstop1h 40m

Chicago Midway

Mon 3/16

9:35 pm-11:20 pm

Nonstop1h 45m

$160

MemphisChicago

MEM - ORD

MEMORD

Memphis

Tue 4/28

8:10 am-12:50 pm

1 stop4h 40m

Chicago O'Hare Intl

Sat 5/9

12:15 pm-8:50 pm

1 stop8h 35m

$164

MemphisChicago

MEM - MDW

MEMMDW

Memphis

Sun 3/1

7:04 pm-7:47 pm

1 stop24h 43m

Chicago Midway

Sun 3/8

6:05 am-6:20 pm

1 stop12h 15m

$176

ChattanoogaChicago

CHA - ORD

CHAORD

Chattanooga Lovell Field

Sat 2/28

6:30 am-7:37 am

Nonstop2h 07m

Chicago O'Hare Intl

Sat 3/7

5:45 pm-8:30 pm

Nonstop1h 45m

$189

KnoxvilleChicago

TYS - ORD

TYSORD

Knoxville McGhee Tyson

Thu 4/2

7:00 am-7:55 am

Nonstop1h 55m

Chicago O'Hare Intl

Thu 4/16

7:45 pm-10:29 pm

Nonstop1h 44m

$198

ChattanoogaChicago

CHA - MDW

CHAMDW

Chattanooga Lovell Field

Fri 4/10

7:30 am-12:29 pm

1 stop5h 59m

Chicago Midway

Thu 4/16

10:43 am-3:46 pm

1 stop4h 03m

$209

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

The cheapest month to fly to Illinois from Tennessee is in September. Flight prices, which tend to average around $127, 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 September, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $145.

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 $313. Flights from Tennessee to Illinois on a Sunday will generally be more expensive and average around $814. 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 in the evening. Flights from Tennessee to Illinois during this time can be as low as $420. Flights in the afternoon are often more expensive with an average ticket price of $678.

What is the cheapest Tennessee to Illinois flight route?

Fly from Jackson Mckellar Field to Chicago O'Hare Intl 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 $202 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 $117 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

$169

Fastest flight time

1h 20m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Tennessee in the past 72 hours is $169. The best round-trip flight deal from Tennessee to Illinois found on momondo in the last 72 hours is $198.
The fastest flight from Tennessee to Illinois takes 1h 20m
Direct flights go from Tennessee to Illinois every day.
There are 98 airports in Illinois. From Tennessee there are direct flights to 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?

  • 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?

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
FrontierPriceFrom $37Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $38Free CancellationRating
6.3
8,407 reviews
Search Spirit Airlines flights
Allegiant AirPriceFrom $58Free CancellationRating
7.2
709 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $97Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
SouthwestPriceFrom $97Free CancellationRating
8.0
4,272 reviews
Search Southwest flights
American AirlinesPriceFrom $110Free CancellationRating
7.2
11,218 reviews
Search American Airlines flights
DeltaPriceFrom $110Free CancellationRating
7.9
8,138 reviews
Search Delta flights
Denver Air ConnectionPriceFrom $158Free CancellationRating
8.0
22 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

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