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Cheap flights from Tennessee to Illinois from $52

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 5/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Tennessee to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southern / Mokulele Logo
2:35 pm - 6:36 pm
BNA
-
STL
4h 01m
1 stop
Southern / Mokulele Logo
9:50 am - 1:48 pm
STL
-
BNA
3h 58m
1 stop
$154Southern / Mokulele
Thu, Apr 9 - Mon, Apr 13
Multiple Airlines Logo
2:35 pm - 6:36 pm
BNA
-
STL
4h 01m
1 stop
Multiple Airlines Logo
4:59 pm - 10:18 am
STL
-
BNA
17h 19m
1 stop
$164Multiple Airlines
Tue, Apr 21 - Wed, Apr 22
Southern / Mokulele Logo
2:35 pm - 6:36 pm
BNA
-
STL
4h 01m
1 stop
Southern / Mokulele Logo
9:50 am - 1:48 pm
STL
-
BNA
3h 58m
1 stop
$171Southern / Mokulele
Thu, Apr 9 - Fri, Apr 10
Frontier Logo
11:59 am - 10:02 pm
MEM
-
MDW
10h 03m
1 stop
Frontier Logo
6:00 am - 10:59 am
MDW
-
MEM
4h 59m
1 stop
$180Frontier
Thu, May 7 - Sun, May 10
Frontier Logo
11:59 am - 7:51 pm
MEM
-
ORD
7h 52m
1 stop
Frontier Logo
9:42 pm - 7:09 pm
ORD
-
MEM
21h 27m
1 stop
$181Frontier
Sun, May 10 - Thu, May 14
Southwest Logo
3:00 pm - 4:35 pm
MEM
-
MDW
1h 35mnonstop
Southwest Logo
10:05 am - 11:45 am
MDW
-
MEM
1h 40mnonstop
$189Southwest
Tue, Apr 21 - Tue, Apr 28
Southwest Logo
5:55 pm - 7:10 pm
BNA
-
STL
1h 15mnonstop
Southwest Logo
8:45 pm - 9:55 pm
STL
-
BNA
1h 10mnonstop
$191Southwest
Sat, Apr 18 - Mon, Apr 20
American Airlines Logo
5:00 am - 8:30 am
TYS
-
STL
4h 30m
1 stop
American Airlines Logo
6:11 pm - 11:56 pm
STL
-
TYS
4h 45m
1 stop
$199American Airlines
Wed, Apr 22 - Wed, Apr 29
American Airlines Logo
7:00 am - 12:48 pm
TYS
-
STL
6h 48m
1 stop
American Airlines Logo
5:51 am - 11:18 am
STL
-
TYS
4h 27m
1 stop
$218American Airlines
Thu, May 7 - Tue, May 12
United Airlines Logo
7:15 am - 9:20 am
MEM
-
ORD
2h 05mnonstop
United Airlines Logo
8:55 am - 11:05 am
ORD
-
MEM
2h 10mnonstop
$230United Airlines
Thu, Jun 4 - Tue, Jun 9

United Airlines flights from Tennessee to Illinois

Our best United Airlines deals on Tennessee to Illinois flight tickets
United Airlines
Apr 21
BNA6:00 amNashville Intl
1h 52m
ORD7:52 amChicago O'Hare Intl
Apr 28
ORD7:15 amChicago O'Hare Intl
1h 47m
BNA9:02 amNashville Intl
$213
United Airlines
Jun 4
MEM7:15 amMemphis
2h 05m
ORD9:20 amChicago O'Hare Intl
Jun 9
ORD7:58 pmChicago O'Hare Intl
2h 01m
MEM9:59 pmMemphis
$230
United Airlines
Apr 23
BNA7:25 amNashville Intl
1h 52m
ORD9:17 amChicago O'Hare Intl
Apr 28
ORD3:40 pmChicago O'Hare Intl
1h 47m
BNA5:27 pmNashville Intl
$236

Frontier flights from Tennessee to Illinois

Our best Frontier deals on Tennessee to Illinois flight tickets
Frontier
May 7
MEM11:59 amMemphis
10h 03m
1 stop
MDW10:02 pmChicago Midway
May 10
MDW6:00 amChicago Midway
4h 59m
1 stop
MEM10:59 amMemphis
$180
Frontier
May 10
MEM11:59 amMemphis
7h 52m
1 stop
ORD7:51 pmChicago O'Hare Intl
May 14
ORD9:42 pmChicago O'Hare Intl
21h 27m
1 stop
MEM7:09 pmMemphis
$181
Frontier
Mar 31
BNA11:36 amNashville Intl
12h 02m
1 stop
ORD11:38 pmChicago O'Hare Intl
Apr 18
ORD8:00 amChicago O'Hare Intl
8h 58m
1 stop
BNA4:58 pmNashville Intl
$195

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 March 29, 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

Cheapest round-trip

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Thu 4/9

2:35 pm-6:36 pm

1 stop4h 01m

Lambert-St Louis

Mon 4/13

9:50 am-1:48 pm

1 stop3h 58m

$154

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Tue 4/21

2:35 pm-6:36 pm

1 stop4h 01m

Lambert-St Louis

Wed 4/22

4:59 pm-10:18 am

1 stop17h 19m

$164

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Thu 4/9

2:35 pm-6:36 pm

1 stop4h 01m

Lambert-St Louis

Fri 4/10

9:50 am-1:48 pm

1 stop3h 58m

$171

MemphisChicago

MEM - MDW

MEMMDW

Memphis

Thu 5/7

11:59 am-10:02 pm

1 stop10h 03m

Chicago Midway

Sun 5/10

6:00 am-10:59 am

1 stop4h 59m

$180

MemphisChicago

MEM - ORD

MEMORD

Memphis

Sun 5/10

11:59 am-7:51 pm

1 stop7h 52m

Chicago O'Hare Intl

Thu 5/14

9:42 pm-7:09 pm

1 stop21h 27m

$181

MemphisChicago

MEM - MDW

MEMMDW

Memphis

Tue 4/21

3:00 pm-4:35 pm

Nonstop1h 35m

Chicago Midway

Tue 4/28

10:05 am-11:45 am

Nonstop1h 40m

$189
Quickest round-trip

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Sat 4/18

5:55 pm-7:10 pm

Nonstop1h 15m

Lambert-St Louis

Mon 4/20

8:45 pm-9:55 pm

Nonstop1h 10m

$191

KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

Wed 4/22

5:00 am-8:30 am

1 stop4h 30m

Lambert-St Louis

Wed 4/29

6:11 pm-11:56 pm

1 stop4h 45m

$199

KnoxvilleSt. Louis

TYS - STL

TYSSTL

Knoxville McGhee Tyson

Thu 5/7

7:00 am-12:48 pm

1 stop6h 48m

Lambert-St Louis

Tue 5/12

5:51 am-11:18 am

1 stop4h 27m

$218

MemphisChicago

MEM - ORD

MEMORD

Memphis

Thu 6/4

7:15 am-9:20 am

Nonstop2h 05m

Chicago O'Hare Intl

Tue 6/9

8:55 am-11:05 am

Nonstop2h 10m

$230

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 $318. Flights from Tennessee to Illinois on a Sunday will generally be more expensive and average around $689. 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 $340. Flights at noon are often more expensive with an average ticket price of $815.

What is the cheapest Tennessee to Illinois flight route?

Fly from Knoxville McGhee Tyson to Chicago Midway 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 $229 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 $125 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

$154

Fastest flight time

1h 15m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Tennessee in the past 72 hours is $154. The best round-trip flight deal from Tennessee to Illinois found on momondo in the last 72 hours is $84.
The fastest flight from Tennessee to Illinois takes 1h 15m
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
Spirit AirlinesPriceFrom $38Free CancellationRating
6.3
8,554 reviews
Search Spirit Airlines flights
Allegiant AirPriceFrom $58Free CancellationRating
7.3
709 reviews
Search Allegiant Air flights
FrontierPriceFrom $59Free CancellationRating
5.7
3,010 reviews
Search Frontier flights
SouthwestPriceFrom $97Free CancellationRating
8.0
4,330 reviews
Search Southwest flights
United AirlinesPriceFrom $102Free CancellationRating
7.4
9,514 reviews
Search United Airlines flights
American AirlinesPriceFrom $109Free CancellationRating
7.1
11,527 reviews
Search American Airlines flights
DeltaPriceFrom $110Free CancellationRating
7.9
8,359 reviews
Search Delta flights
Denver Air ConnectionPriceFrom $158Free CancellationRating
8.1
24 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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