What is the cheapest airline that flies from Nashville Intl to Illinois?

Southwest, Delta, and United Airlines are the most popular carriers operating from Nashville Intl to Illinois

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

As of March 2026, 58 flights take off from Nashville and land in Illinois each day. The most common flight departure time for this route is 2:00PM, with 42% of daily flights taking off at noon.

What airlines fly to Illinois?

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Illinois from Nashville according to our data. American Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

As of March 2026, 407 flights take off from Nashville and land in Illinois each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.

When did momondo last update prices for flights from Nashville Intl Airport to Illinois?

Prices for flights from Nashville Intl Airport to Illinois were last updated today.

How many operators does momondo search for flights from Nashville Intl Airport to Illinois?

As of March 2026, there are 7 operators available to choose from for flights from Nashville Intl Airport to Illinois.

How old do you have to be to fly from Nashville Intl Airport to Illinois?

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 Nashville Intl Airport to Illinois.

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

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$49 Cheap Flights from Nashville to Illinois in 2026

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Find the cheapest flights from Nashville to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:25 am - 7:45 am

BNA

STL

1h 20mnonstop

2:30 pm - 3:40 pm

STL

BNA

1h 10mnonstop

$97Southwest

Tue, Apr 14 - Wed, Apr 15

11:30 am - 12:50 pm

BNA

STL

1h 20mnonstop

5:35 am - 9:30 am

STL

BNA

3h 55m

1 stop

$107Southwest

Tue, Apr 14 - Wed, Apr 15

3:27 pm - 12:24 am

BNA

ORD

8h 57m

1 stop

7:15 pm - 8:35 am

ORD

BNA

13h 20m

1 stop

$194Spirit Airlines

Wed, Apr 15 - Mon, Apr 20

2:27 pm - 11:17 pm

BNA

ORD

8h 50m

1 stop

9:06 am - 4:38 pm

ORD

BNA

7h 32m

1 stop

$196Spirit Airlines

Thu, Apr 9 - Tue, Apr 14

12:19 pm - 10:22 pm

BNA

MDW

10h 03m

1 stop

9:04 am - 4:20 pm

MDW

BNA

7h 16m

1 stop

$201Frontier

Thu, Apr 16 - Sun, Apr 19

12:19 pm - 12:52 am

BNA

ORD

12h 33m

1 stop

8:00 am - 4:58 pm

ORD

BNA

8h 58m

1 stop

$201Frontier

Thu, Apr 23 - Sat, Apr 25

6:37 pm - 11:54 pm

BNA

MLI

5h 17m

1 stop

3:48 pm - 11:33 pm

MLI

BNA

7h 45m

1 stop

$269American Airlines

Fri, Apr 10 - Mon, Apr 13

5:14 am - 12:21 pm

BNA

MLI

7h 07m

2 stops

3:48 pm - 11:33 pm

MLI

BNA

7h 45m

1 stop

$274American Airlines

Fri, Apr 10 - Mon, Apr 13

7:25 am - 2:09 pm

BNA

MLI

6h 44m

1 stop

8:30 am - 12:28 pm

MLI

BNA

3h 58m

1 stop

$289United Airlines

Sat, Apr 4 - Sun, Apr 5

6:35 pm - 10:45 pm

BNA

MLI

4h 10m

1 stop

3:20 pm - 7:56 pm

MLI

BNA

4h 36m

1 stop

$294United Airlines

Mon, Mar 30 - Sat, Apr 4

Spirit Airlines flights from Nashville to Illinois

Our best Spirit Airlines deals on Nashville to Illinois flight tickets

Spirit Airlines

Apr 15

BNA3:27 pmNashville Intl

8h 57m

1 stop

ORD12:24 amChicago O'Hare Intl

Apr 20

ORD7:15 pmChicago O'Hare Intl

13h 20m

1 stop

BNA8:35 amNashville Intl

$194

Spirit Airlines

Mar 23

BNA6:15 amNashville Intl

10h 41m

1 stop

ORD4:56 pmChicago O'Hare Intl

Mar 24

ORD4:36 pmChicago O'Hare Intl

7h 02m

1 stop

BNA11:38 pmNashville Intl

$195

Spirit Airlines

Mar 23

BNA6:15 amNashville Intl

10h 41m

1 stop

ORD4:56 pmChicago O'Hare Intl

Apr 3

ORD4:36 pmChicago O'Hare Intl

7h 02m

1 stop

BNA11:38 pmNashville Intl

$196

United Airlines flights from Nashville to Illinois

Our best United Airlines deals on Nashville to Illinois flight tickets

United Airlines

Apr 4

BNA4:56 pmNashville Intl

2h 05m

ORD7:01 pmChicago O'Hare Intl

Apr 11

ORD7:15 amChicago O'Hare Intl

1h 52m

BNA9:07 amNashville Intl

$207

United Airlines

Apr 16

BNA4:35 pmNashville Intl

5h 53m

1 stop

STL10:28 pmLambert-St Louis

Apr 20

STL6:30 amLambert-St Louis

4h 06m

1 stop

BNA10:36 amNashville Intl

$281

United Airlines

Mar 25

BNA7:30 amNashville Intl

5h 57m

1 stop

PAH1:27 pmPaducah Barkley Regional

Mar 29

PAH5:00 amPaducah Barkley Regional

5h 27m

1 stop

BNA10:27 amNashville Intl

$309

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Tue 4/14

6:25 am-7:45 am

Nonstop1h 20m

Lambert-St Louis

Wed 4/15

2:30 pm-3:40 pm

Nonstop1h 10m

$97

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Tue 4/14

11:30 am-12:50 pm

Nonstop1h 20m

Lambert-St Louis

Wed 4/15

5:35 am-9:30 am

1 stop3h 55m

$107

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

Wed 4/15

3:27 pm-12:24 am

1 stop8h 57m

Chicago O'Hare Intl

Mon 4/20

7:15 pm-8:35 am

1 stop13h 20m

$194

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

Thu 4/9

2:27 pm-11:17 pm

1 stop8h 50m

Chicago O'Hare Intl

Tue 4/14

9:06 am-4:38 pm

1 stop7h 32m

$196

NashvilleChicago

BNA - MDW

BNAMDW

Nashville Intl

Thu 4/16

12:19 pm-10:22 pm

1 stop10h 03m

Chicago Midway

Sun 4/19

9:04 am-4:20 pm

1 stop7h 16m

$201

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

Thu 4/23

12:19 pm-12:52 am

1 stop12h 33m

Chicago O'Hare Intl

Sat 4/25

8:00 am-4:58 pm

1 stop8h 58m

$201

NashvilleMoline

BNA - MLI

BNAMLI

Nashville Intl

Fri 4/10

6:37 pm-11:54 pm

1 stop5h 17m

Moline Quad-City

Mon 4/13

3:48 pm-11:33 pm

1 stop7h 45m

$269

NashvilleMoline

BNA - MLI

BNAMLI

Nashville Intl

Fri 4/10

5:14 am-12:21 pm

2 stops7h 07m

Moline Quad-City

Mon 4/13

3:48 pm-11:33 pm

1 stop7h 45m

$274

NashvilleMoline

BNA - MLI

BNAMLI

Nashville Intl

Sat 4/4

7:25 am-2:09 pm

1 stop6h 44m

Moline Quad-City

Sun 4/5

8:30 am-12:28 pm

1 stop3h 58m

$289

NashvilleMoline

BNA - MLI

BNAMLI

Nashville Intl

Mon 3/30

6:35 pm-10:45 pm

1 stop4h 10m

Moline Quad-City

Sat 4/4

3:20 pm-7:56 pm

1 stop4h 36m

$294

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 Nashville 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 Nashville 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 Nashville to Illinois is on a Friday when prices can be found for as low as $313. Flights from Nashville to Illinois on a Sunday will generally be more expensive and average around $771. 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 Nashville to Illinois during this time can be as low as $364. Flights at noon are often more expensive with an average ticket price of $668.

What is the cheapest Nashville Intl to Illinois flight route?

Fly from Nashville Intl to Chicago Greater Rockford for the best Nashville Intl - 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 Nashville when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $228 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Nashville for as low as $119 on momondo.

What cabin class options are available on Nashville Intl to Illinois flights?

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

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

Cheap Nashville to Illinois flight deals and tips

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

Best Price Found	$163
Fastest flight time	1h 15m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Nashville in the past 72 hours is $163. The best round-trip flight deal from Nashville to Illinois found on momondo in the last 72 hours is $239.

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

Direct flights go from Nashville to Illinois every day.

There are 98 airports in Illinois. From Nashville there are direct flights to Chicago Midway (MDW), Lambert-St Louis (STL).

Search flight deals

When did momondo last update prices for flights from Nashville Intl Airport to Illinois?
Prices for flights from Nashville Intl Airport to Illinois were last updated today.
How many operators does momondo search for flights from Nashville Intl Airport to Illinois?
As of March 2026, there are 7 operators available to choose from for flights from Nashville Intl Airport to Illinois.
How old do you have to be to fly from Nashville Intl Airport to Illinois?
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 Nashville Intl Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Nashville to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Nashville to Illinois is Boeing 737 MAX 8, representing 14.10% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet 700 at 10.43%, Airbus A319 at 10.30%, and Embraer 175 (Enhanced Winglets) at 10.17%.

Best airlines flying from Nashville to Illinois

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

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $38	Free Cancellation	Rating 6.3 8,516 reviews	Search Spirit Airlines flights
Allegiant Air	PriceFrom $58	Free Cancellation	Rating 7.3 714 reviews	Search Allegiant Air flights
Frontier	PriceFrom $59	Free Cancellation	Rating 5.7 3,035 reviews	Search Frontier flights
Southwest	PriceFrom $97	Free Cancellation	Rating 8.0 4,317 reviews	Search Southwest flights
United Airlines	PriceFrom $102	Free Cancellation	Rating 7.4 9,415 reviews	Search United Airlines flights
American Airlines	PriceFrom $107	Free Cancellation	Rating 7.1 11,425 reviews	Search American Airlines flights

Why use momondo?

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

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 Nashville to Illinois for you.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Nashville to Illinois.

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

Yes. momondo can track prices for Nashville to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Popular cities in Illinois

Flights to New Yorkfrom $55

Flights to Los Angelesfrom $57

Flights to Orlandofrom $49

Flights to Miamifrom $49

Flights to Chicagofrom $56

Flights to San Franciscofrom $77

Flights to Las Vegasfrom $20

Flights to Washington, D.C.from $56

Flights to Bostonfrom $76

Flights to Atlantafrom $49

Flights to Dallasfrom $64

Flights to Seattlefrom $55

Cheap flights from Nashville to Illinois from $49

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Nashville to Illinois departing on 4/8. 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 Nashville to Illinois

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?

What is the cheapest Nashville Intl to Illinois flight route?

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

What cabin class options are available on Nashville Intl to Illinois flights?

Can stopping save me money on Nashville to Illinois flights?

What is the cheapest airline that flies from Nashville Intl to Illinois?

What airlines fly to Illinois?

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

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

Cheap Nashville to Illinois flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

Best airlines flying from Nashville to Illinois

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

Why use momondo?

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

Nashville flight routes

According to popular flight searches on momondo this year

Illinois flight routes

According to popular flight searches on momondo this year

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