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Cheap flights from Tennessee to Illinois from $50

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 9/11. 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.
Southwest Logo
7:00 am - 8:15 amBNA  Nashville Intl-STL Lambert-St Louis
1h 15mnonstop
Southwest Logo
2:45 pm - 3:55 pmSTL  Lambert-St Louis-BNA Nashville Intl
1h 10mnonstop
$109Southwest
Sat, Sep 5 - Sun, Sep 6
Southwest Logo
6:45 am - 7:55 amBNA  Nashville Intl-STL Lambert-St Louis
1h 10mnonstop
Southwest Logo
3:45 pm - 4:55 pmSTL  Lambert-St Louis-BNA Nashville Intl
1h 10mnonstop
$117Southwest
Tue, Sep 8 - Thu, Sep 10
Frontier Logo
9:27 am - 4:34 pmBNA  Nashville Intl-STL Lambert-St Louis
7h 07m1 stop Orlando
Frontier Logo
8:10 pm - 2:18 pmSTL  Lambert-St Louis-BNA Nashville Intl
18h 08m1 stop Denver Intl
$155Frontier
Fri, Sep 11 - Fri, Sep 18
United Airlines Logo
9:47 am - 11:59 amMEM  Memphis-ORD Chicago O'Hare Intl
2h 12mnonstop
United Airlines Logo
9:29 pm - 11:27 pmORD  Chicago O'Hare Intl-MEM Memphis
1h 58mnonstop
$157United Airlines
Sat, Sep 5 - Tue, Sep 8
United Airlines Logo
7:15 am - 9:21 amMEM  Memphis-ORD Chicago O'Hare Intl
2h 06mnonstop
United Airlines Logo
9:29 pm - 11:26 pmORD  Chicago O'Hare Intl-MEM Memphis
1h 57mnonstop
$157United Airlines
Thu, Sep 17 - Sat, Sep 19
American Airlines Logo
6:45 am - 9:00 amMEM  Memphis-ORD Chicago O'Hare Intl
2h 15mnonstop
American Airlines Logo
9:26 pm - 11:18 pmORD  Chicago O'Hare Intl-MEM Memphis
1h 52mnonstop
$157American Airlines
Wed, Sep 16 - Sat, Sep 19
American Airlines Logo
5:44 pm - 8:08 pmMEM  Memphis-ORD Chicago O'Hare Intl
2h 24mnonstop
American Airlines Logo
9:26 pm - 11:18 pmORD  Chicago O'Hare Intl-MEM Memphis
1h 52mnonstop
$157American Airlines
Tue, Sep 8 - Sat, Oct 3
Delta Logo
9:37 am - 2:33 pmBNA  Nashville Intl-STL Lambert-St Louis
4h 56m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:00 am - 10:02 amSTL  Lambert-St Louis-BNA Nashville Intl
4h 02m1 stop Atlanta Hartsfield-Jackson
$157Delta
Sat, Sep 5 - Sun, Sep 6
Frontier Logo
7:59 pm - 12:24 amMEM  Memphis-ORD Chicago O'Hare Intl
28h 25m1 stop Denver Intl
Frontier Logo
6:30 am - 7:14 pmORD  Chicago O'Hare Intl-MEM Memphis
12h 44m1 stop Denver Intl
$158Frontier
Thu, Oct 15 - Thu, Oct 22
Delta Logo
12:10 pm - 4:13 pmMEM  Memphis-ORD Chicago O'Hare Intl
4h 03m1 stop Detroit Metropolitan Wayne County
Delta Logo
1:55 pm - 8:58 pmORD  Chicago O'Hare Intl-MEM Memphis
7h 03m1 stop Detroit Metropolitan Wayne County
$177Delta
Thu, Sep 10 - Mon, Sep 14

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United Airlines flights from Tennessee to Illinois

Our best United Airlines deals on Tennessee to Illinois flight tickets
United Airlines
Sep 5
MEM9:47 amMemphis
2h 12m
ORD11:59 amChicago O'Hare Intl
Sep 8
ORD9:29 pmChicago O'Hare Intl
1h 58m
MEM11:27 pmMemphis
$157
United Airlines
Sep 5
MEM2:37 pmMemphis
2h 09m
ORD4:46 pmChicago O'Hare Intl
Sep 8
ORD9:29 pmChicago O'Hare Intl
1h 58m
MEM11:27 pmMemphis
$176
United Airlines
Oct 27
MEM6:14 pmMemphis
2h 03m
ORD8:17 pmChicago O'Hare Intl
Oct 29
ORD8:43 amChicago O'Hare Intl
2h 07m
MEM10:50 amMemphis
$185

Delta flights from Tennessee to Illinois

Our best Delta deals on Tennessee to Illinois flight tickets
Delta
Sep 5
BNA9:37 amNashville Intl
4h 56m
1 stop
STL2:33 pmLambert-St Louis
Sep 6
STL6:00 amLambert-St Louis
4h 02m
1 stop
BNA10:02 amNashville Intl
$157
Delta
Sep 5
MEM11:45 amMemphis
7h 14m
1 stop
ORD6:59 pmChicago O'Hare Intl
Sep 9
ORD7:05 amChicago O'Hare Intl
4h 08m
1 stop
MEM11:13 amMemphis
$177
Delta
Sep 5
MEM10:26 amMemphis
6h 25m
1 stop
ORD4:51 pmChicago O'Hare Intl
Sep 6
ORD6:40 amChicago O'Hare Intl
6h 03m
1 stop
MEM12:43 pmMemphis
$178

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 August 15, 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 Nashville Intl - STL Lambert-St Louis

BNASTL

Nashville Intl

Sat 9/5

7:00 am-8:15 am

Nonstop1h 15m

Lambert-St Louis

Sun 9/6

2:45 pm-3:55 pm

Nonstop1h 10m

$109
Quickest round-trip

NashvilleSt. Louis

BNA Nashville Intl - STL Lambert-St Louis

BNASTL

Nashville Intl

Tue 9/8

6:45 am-7:55 am

Nonstop1h 10m

Lambert-St Louis

Thu 9/10

3:45 pm-4:55 pm

Nonstop1h 10m

$117

NashvilleSt. Louis

BNA Nashville Intl - STL Lambert-St Louis

BNASTL

Nashville Intl

Fri 9/11

9:27 am-4:34 pm

1 stop7h 07m

Lambert-St Louis

Fri 9/18

8:10 pm-2:18 pm

1 stop18h 08m

$155

MemphisChicago

MEM Memphis - ORD Chicago O'Hare Intl

MEMORD

Memphis

Sat 9/5

9:47 am-11:59 am

Nonstop2h 12m

Chicago O'Hare Intl

Tue 9/8

9:29 pm-11:27 pm

Nonstop1h 58m

$157

MemphisChicago

MEM Memphis - ORD Chicago O'Hare Intl

MEMORD

Memphis

Thu 9/17

7:15 am-9:21 am

Nonstop2h 06m

Chicago O'Hare Intl

Sat 9/19

9:29 pm-11:26 pm

Nonstop1h 57m

$157

MemphisChicago

MEM Memphis - ORD Chicago O'Hare Intl

MEMORD

Memphis

Wed 9/16

6:45 am-9:00 am

Nonstop2h 15m

Chicago O'Hare Intl

Sat 9/19

9:26 pm-11:18 pm

Nonstop1h 52m

$157

MemphisChicago

MEM Memphis - ORD Chicago O'Hare Intl

MEMORD

Memphis

Tue 9/8

5:44 pm-8:08 pm

Nonstop2h 24m

Chicago O'Hare Intl

Sat 10/3

9:26 pm-11:18 pm

Nonstop1h 52m

$157

NashvilleSt. Louis

BNA Nashville Intl - STL Lambert-St Louis

BNASTL

Nashville Intl

Sat 9/5

9:37 am-2:33 pm

1 stop4h 56m

Lambert-St Louis

Sun 9/6

6:00 am-10:02 am

1 stop4h 02m

$157

MemphisChicago

MEM Memphis - ORD Chicago O'Hare Intl

MEMORD

Memphis

Thu 10/15

7:59 pm-12:24 am

1 stop28h 25m

Chicago O'Hare Intl

Thu 10/22

6:30 am-7:14 pm

1 stop12h 44m

$158

MemphisChicago

MEM Memphis - ORD Chicago O'Hare Intl

MEMORD

Memphis

Thu 9/10

12:10 pm-4:13 pm

1 stop4h 03m

Chicago O'Hare Intl

Mon 9/14

1:55 pm-8:58 pm

1 stop7h 03m

$177

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 October. Flight prices, which tend to average around $259, 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 October, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $272.

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 $405. Flights from Tennessee to Illinois on a Tuesday will generally be more expensive and average around $745. 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 $381. Flights at noon are often more expensive with an average ticket price of $1,033.

What is the cheapest Tennessee to Illinois flight route?

Fly from Nashville Intl to Chicago Greater Rockford for the best Tennessee - Illinois flight prices

How far in advance should I book a flight from Tennessee 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 $292 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 $223 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

$39

Fastest flight time

1h 10m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Tennessee in the past 72 hours is $39. The best round-trip flight deal from Tennessee to Illinois found on momondo in the last 72 hours is $70.
The fastest flight from Tennessee to Illinois takes 1h 10m
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

Frequently asked questions about flying from Tennessee to Illinois

  • 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 $55Free CancellationRating
5.6
2,690 reviews
Search Frontier flights
Allegiant AirPriceFrom $65Free CancellationRating
7.3
677 reviews
Search Allegiant Air flights
SouthwestPriceFrom $97Free CancellationRating
8.0
4,218 reviews
Search Southwest flights
United AirlinesPriceFrom $122Free CancellationRating
7.4
10,108 reviews
Search United Airlines flights
American AirlinesPriceFrom $147Free CancellationRating
7.1
11,941 reviews
Search American Airlines flights
Denver Air ConnectionPriceFrom $157Free CancellationRating
8.2
25 reviews
Search Denver Air Connection flights
ContourPriceFrom $189Free CancellationRating
7.5
43 reviews
Search Contour flights
DeltaPriceFrom $208Free CancellationRating
7.8
8,508 reviews
Search Delta 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.

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Find better results for your trip to Illinois

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