How long is the flight from Illinois to Tennessee?

For as low as $80, Allegiant Air can have you in Tennessee from Illinois in 1h 14m. The distance between Illinois and Tennessee is about 353 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines to fly from Illinois to Tennessee one-way?

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $27. However, be on the lookout for offers from Spirit Airlines and Southwest, as they are both options that can get you from Illinois to Tennessee for a low price.

In terms of precipitation, rainfall in Tennessee ranges from 2.8 - 5.0 inches per month. May is typically the wettest month, when rainfall can reach 5.0 in. October is typically the driest time to visit Tennessee when rainfall is around 2.8 in.

If weather is an important factor for your trip to Tennessee, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

Can I find deals for flights from Illinois to Tennessee that include hotel bookings?

Yes. In addition to deals on Illinois to Tennessee flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Illinois to Tennessee?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Tennessee.

Can I find deals for business class flights from Illinois to Tennessee?

Yes. Cheapflights offers flight deals from Illinois to Tennessee by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$67+ Flights from Illinois to Tennessee

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Cheap flight deals from Illinois to Tennessee

Cheapest flights from Illinois to Tennessee
Explore the most affordable flight options available from Illinois to Tennessee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Mon 12/229:16 pmPIA - BNA

Nonstop1h 14mAllegiant Air

Fri 1/21:31 pmBNA - PIA

Nonstop1h 17mAllegiant Air

Deal found 12/14

$131

Mon 12/299:50 amSTL - BNA

1 stop3h 58mSouthern / Mokulele

Mon 1/52:35 pmBNA - STL

1 stop4h 01mSouthern / Mokulele

Deal found 12/14

$172

Tue 12/169:50 amSTL - BNA

1 stop3h 58mSouthern / Mokulele

Mon 12/222:35 pmBNA - STL

1 stop4h 01mSouthern / Mokulele

Deal found 12/15

$192

Tue 12/309:50 amSTL - BNA

1 stop3h 58mMultiple Airlines

Fri 1/27:02 pmBNA - STL

1 stop15h 00mMultiple Airlines

Deal found 12/15

$201

Wed 12/245:50 pmORD - BNA

Nonstop1h 41mUnited Airlines

Thu 1/18:00 amBNA - ORD

Nonstop1h 55mUnited Airlines

Deal found 12/15

$215

Mon 12/297:22 pmORD - CHA

Nonstop1h 53mAmerican Airlines

Fri 1/27:35 amCHA - ORD

Nonstop2h 05mAmerican Airlines

Deal found 12/14

$219

Wed 12/314:53 pmORD - BNA

Nonstop1h 44mAmerican Airlines

Thu 1/15:30 amBNA - ORD

Nonstop1h 58mAmerican Airlines

Deal found 12/15

$222

Wed 12/247:00 amORD - BNA

1 stop6h 42mDelta

Thu 1/16:15 amBNA - ORD

1 stop6h 39mDelta

Deal found 12/15

$235

Wed 12/249:29 amMDW - BNA

1 stop4h 13mDelta

Wed 12/3110:35 amBNA - MDW

1 stop6h 51mDelta

Deal found 12/15

$235

Mon 12/295:59 pmORD - CHA

Nonstop1h 52mUnited Airlines

Fri 1/28:38 amCHA - ORD

Nonstop2h 12mUnited Airlines

Deal found 12/15

$235

Thu 12/255:50 pmORD - BNA

Nonstop1h 41mUnited Airlines

Mon 1/196:00 amBNA - ORD

Nonstop2h 04mUnited Airlines

Deal found 12/15

$237

Thu 12/186:12 amMDW - MEM

1 stop8h 56mFrontier

Sun 12/214:18 pmMEM - MDW

1 stop5h 54mFrontier

Deal found 12/14

$238

Best flights from Illinois to Tennessee
Discover carefully curated flight deals from Illinois to Tennessee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 16, 2025.

Fri 1/29:41 pmPIA - BNA

Nonstop1h 14mAllegiant Air

Mon 1/51:31 pmBNA - PIA

Nonstop1h 17mAllegiant Air

Deal found 12/14

$80

Tue 2/178:05 pmORD - BNA

Nonstop1h 48mUnited Airlines

Sat 2/287:15 amBNA - ORD

Nonstop2h 00mUnited Airlines

Deal found 12/16

$152

Thu 1/299:50 amSTL - BNA

1 stop3h 58mSouthern / Mokulele

Mon 2/22:35 pmBNA - STL

1 stop4h 01mSouthern / Mokulele

Deal found 12/16

$155

Tue 1/136:45 amMDW - BNA

1 stop6h 14mDelta

Tue 1/206:15 amBNA - MDW

1 stop6h 36mDelta

Deal found 12/15

$157

Thu 1/16:00 amORD - MEM

1 stop9h 08mFrontier

Thu 1/85:55 pmMEM - ORD

1 stop4h 44mFrontier

Deal found 12/14

$163

Tue 2/175:25 amMDW - BNA

Nonstop1h 35mSouthwest

Sat 2/284:00 pmBNA - MDW

2 stops6h 50mSouthwest

Deal found 12/16

$167

Sun 1/115:11 pmSTL - BNA

1 stop15h 18mMultiple Airlines

Sun 1/184:19 pmBNA - STL

2 stops14h 32mMultiple Airlines

Deal found 12/14

$190

Fri 1/3012:44 pmORD - MEM

1 stop22h 05mSpirit Airlines

Fri 2/611:44 amMEM - ORD

1 stop7h 57mSpirit Airlines

Deal found 12/16

$221

Tue 1/133:20 pmSTL - TYS

1 stop5h 49mAmerican Airlines

Tue 1/204:00 pmTYS - STL

2 stops6h 51mAmerican Airlines

Deal found 12/15

$230

Mon 1/129:50 amSTL - BNA

1 stop3h 58mSouthern / Mokulele

Tue 1/132:35 pmBNA - STL

1 stop4h 01mSouthern / Mokulele

Deal found 12/15

$159

Thu 2/265:25 amMDW - BNA

Nonstop1h 35mSouthwest

Mon 3/26:30 pmBNA - MDW

Nonstop1h 40mSouthwest

Deal found 12/15

$171

Thu 2/127:30 amMDW - BNA

1 stop12h 36mFrontier

Thu 2/198:51 pmBNA - MDW

1 stop17h 35mFrontier

Deal found 12/15

$183

Wed 1/76:00 amMDW - BNA

Nonstop1h 35mSouthwest

Wed 1/711:45 amBNA - MDW

Nonstop1h 35mSouthwest

Deal found 12/14

$171

Sat 1/177:55 pmORD - MEM

Nonstop1h 59mUnited Airlines

Sun 1/187:30 amMEM - ORD

Nonstop1h 58mUnited Airlines

Deal found 12/15

$189

Thu 1/89:50 amSTL - BNA

1 stop3h 58mSouthern / Mokulele

Fri 1/92:35 pmBNA - STL

1 stop4h 01mSouthern / Mokulele

Deal found 12/15

$172

Wed 1/286:00 amMDW - BNA

1 stop3h 59mDelta

Wed 2/45:15 amBNA - MDW

1 stop6h 44mDelta

Deal found 12/14

$191

Tue 1/277:45 pmMDW - BNA

Nonstop1h 30mSouthwest

Sat 1/3112:05 pmBNA - MDW

Nonstop1h 35mSouthwest

Deal found 12/15

$171

Fri 1/306:10 pmORD - TYS

Nonstop1h 42mUnited Airlines

Mon 2/26:45 amTYS - ORD

Nonstop2h 03mUnited Airlines

Deal found 12/15

$189

Mon 1/269:50 amSTL - BNA

1 stop3h 58mSouthern / Mokulele

Thu 1/292:35 pmBNA - STL

1 stop4h 01mSouthern / Mokulele

Deal found 12/13

$172

Fri 2/68:43 pmORD - TYS

1 stop13h 26mMultiple Airlines

Sat 2/75:59 pmTYS - ORD

1 stop6h 47mMultiple Airlines

Deal found 12/15

$209

Wed 1/1410:48 amORD - BNA

1 stop8h 29mSpirit Airlines

Wed 1/219:25 amBNA - ORD

1 stop8h 27mSpirit Airlines

Deal found 12/15

$222

Sat 1/101:45 pmORD - BNA

Nonstop1h 35mSouthwest

Mon 1/1210:20 amBNA - ORD

Nonstop1h 55mSouthwest

Deal found 12/14

$171

Tue 1/66:10 pmORD - TYS

Nonstop1h 42mUnited Airlines

Tue 1/1311:10 amTYS - ORD

Nonstop1h 55mUnited Airlines

Deal found 12/15

$189

Fri 2/279:50 amSTL - BNA

1 stop3h 58mSouthern / Mokulele

Sun 3/12:35 pmBNA - STL

1 stop4h 01mSouthern / Mokulele

Deal found 12/14

$172

Sat 1/171:55 pmORD - MEM

1 stop7h 22mDelta

Sun 1/185:22 pmMEM - ORD

1 stop6h 37mDelta

Deal found 12/14

$209

Sun 1/119:35 amSTL - TYS

1 stop23h 35mMultiple Airlines

Sun 1/181:39 pmTYS - STL

2 stops18h 12mMultiple Airlines

Deal found 12/14

$219

Mon 2/95:29 pmPIA - BNA

1 stop4h 58mAmerican Airlines

Mon 2/237:34 pmBNA - PIA

1 stop3h 48mAmerican Airlines

Deal found 12/15

$249

Fri 1/166:10 pmORD - TYS

Nonstop1h 42mUnited Airlines

Sat 1/171:59 pmTYS - ORD

Nonstop1h 56mUnited Airlines

Deal found 12/15

$189

Fri 1/29:50 amSTL - BNA

1 stop3h 58mSouthern / Mokulele

Tue 1/62:35 pmBNA - STL

1 stop4h 01mSouthern / Mokulele

Deal found 12/14

$172

Sat 1/176:15 amORD - MEM

1 stop5h 28mDelta

Tue 1/2012:23 pmMEM - ORD

1 stop5h 32mDelta

Deal found 12/14

$209

Last-minute flights from Illinois to Tennessee
Discover last-minute flight deals from Illinois to Tennessee. Data last updated December 16, 2025 and is based on user searches.

Mon 12/229:16 pmPIA - BNA

Nonstop1h 14mAllegiant Air

Fri 1/21:31 pmBNA - PIA

Nonstop1h 17mAllegiant Air

Deal found 12/14

$131

Fri 1/29:41 pmPIA - BNA

Nonstop1h 14mAllegiant Air

Mon 1/51:31 pmBNA - PIA

Nonstop1h 17mAllegiant Air

Deal found 12/14

$80

Thu 1/85:15 amORD - BNA

1 stop14h 28mSpirit Airlines

Mon 1/128:12 pmBNA - ORD

1 stop15h 10mSpirit Airlines

Deal found 12/14

$155

Mon 1/125:15 amORD - BNA

1 stop14h 28mSpirit Airlines

Tue 1/138:12 pmBNA - ORD

1 stop15h 10mSpirit Airlines

Deal found 12/15

$156

Tue 1/132:13 pmORD - BNA

Nonstop1h 41mUnited Airlines

Tue 1/206:00 amBNA - ORD

Nonstop2h 04mUnited Airlines

Deal found 12/16

$133

Tue 1/131:28 pmMDW - BNA

1 stop3h 36mDelta

Tue 1/206:30 amBNA - MDW

1 stop5h 29mDelta

Deal found 12/16

$157

Thu 1/157:35 amORD - TYS

1 stop9h 18mMultiple Airlines

Sun 1/181:39 pmTYS - ORD

1 stop8h 33mMultiple Airlines

Deal found 12/16

$152

Tue 1/207:20 amORD - BNA

1 stop12h 23mSpirit Airlines

Thu 1/228:40 amBNA - ORD

1 stop10h 58mSpirit Airlines

Deal found 12/14

$151

Mon 1/265:52 pmORD - BNA

Nonstop1h 41mUnited Airlines

Tue 1/272:52 pmBNA - ORD

Nonstop1h 57mUnited Airlines

Deal found 12/16

$152

Wed 1/287:20 amORD - BNA

1 stop12h 23mSpirit Airlines

Sat 1/318:40 amBNA - ORD

1 stop12h 23mSpirit Airlines

Deal found 12/15

$153

Thu 1/295:15 amORD - BNA

1 stop15h 14mMultiple Airlines

Thu 2/58:40 amBNA - ORD

1 stop13h 56mMultiple Airlines

Deal found 12/15

$145

Thu 1/299:50 amSTL - BNA

1 stop3h 58mSouthern / Mokulele

Mon 2/22:35 pmBNA - STL

1 stop4h 01mSouthern / Mokulele

Deal found 12/16

$155

One-way flights from Illinois to Tennessee
Search for one-way flight options from Illinois to Tennessee. Find affordable one-way fares based on user searches. Data last updated December 16, 2025.

Tue 2/37:40 amORD - BNA

Nonstop1h 50mUnited Airlines

Deal found 12/16

$67

Tue 1/206:00 amMDW - BNA

Nonstop1h 35mSouthwest

Deal found 12/16

$67

Tue 1/2010:48 amORD - BNA

1 stop8h 29mSpirit Airlines

Deal found 12/16

$69

Wed 1/2110:48 amORD - BNA

1 stop8h 29mSpirit Airlines

Deal found 12/16

$75

Sun 1/181:13 pmORD - BNA

1 stop18h 12mMultiple Airlines

Deal found 12/15

$76

Wed 2/112:15 pmORD - BNA

1 stop6h 40mSouthwest

Deal found 12/16

$77

Tue 1/61:25 pmMDW - BNA

1 stop6h 10mSouthwest

Deal found 12/16

$77

Tue 1/139:55 amORD - BNA

1 stop5h 26mDelta

Deal found 12/16

$79

Tue 1/131:28 pmMDW - BNA

1 stop3h 36mDelta

Deal found 12/15

$79

Mon 1/124:31 pmMDW - BNA

1 stop15h 58mMultiple Airlines

Deal found 12/16

$80

Mon 1/125:11 pmSTL - BNA

1 stop15h 18mMultiple Airlines

Deal found 12/15

$80

Wed 1/285:32 pmORD - BNA

1 stop26h 57mMultiple Airlines

Deal found 12/15

$81

Find flight deals from Illinois to Tennessee

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$80 (Booking.com)
One-way from	$67 (United Airlines)
Popular in	November
Cheapest in	February
Average price	$208
Good round-trip deal	$90 or less
Good one-way deal	$54 or less

Provider with most accurate pricing for Chicago (CHI)-Nashville Intl flight deals.

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From Illinois to Tennessee

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One-way flight from Illinois to Tennessee

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($9 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in December 2025

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Price to beat on a round-trip flight from Illinois to Tennessee.

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Price to beat on a one-way flight from Illinois to Tennessee.

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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

PeoriaNashville

PIA - BNA

PIABNA

Greater Peoria

Fri 1/2

9:41 pm-10:55 pm

Nonstop1h 14m

Nashville Intl

Mon 1/5

1:31 pm-2:48 pm

Nonstop1h 17m

$80

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

Tue 2/17

8:05 pm-9:53 pm

Nonstop1h 48m

Nashville Intl

Sat 2/28

7:15 am-9:15 am

Nonstop2h 00m

$152

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Thu 1/29

9:50 am-1:48 pm

1 stop3h 58m

Nashville Intl

Mon 2/2

2:35 pm-6:36 pm

1 stop4h 01m

$155

ChicagoNashville

MDW - BNA

MDWBNA

Chicago Midway

Tue 1/13

6:45 am-12:59 pm

1 stop6h 14m

Nashville Intl

Tue 1/20

6:15 am-12:51 pm

1 stop6h 36m

$157

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Mon 1/12

9:50 am-1:48 pm

1 stop3h 58m

Nashville Intl

Tue 1/13

2:35 pm-6:36 pm

1 stop4h 01m

$159

ChicagoMemphis

ORD - MEM

ORDMEM

Chicago O'Hare Intl

Thu 1/1

6:00 am-3:08 pm

1 stop9h 08m

Memphis

Thu 1/8

5:55 pm-10:39 pm

1 stop4h 44m

$163

ChicagoNashville

MDW - BNA

MDWBNA

Chicago Midway

Tue 2/17

5:25 am-7:00 am

Nonstop1h 35m

Nashville Intl

Sat 2/28

4:00 pm-10:50 pm

2 stops6h 50m

$167

ChicagoNashville

MDW - BNA

MDWBNA

Chicago Midway

Thu 2/26

5:25 am-7:00 am

Nonstop1h 35m

Nashville Intl

Mon 3/2

6:30 pm-8:10 pm

Nonstop1h 40m

$171

ChicagoNashville

MDW - BNA

MDWBNA

Chicago Midway

Wed 1/7

6:00 am-7:35 am

Nonstop1h 35m

Nashville Intl

Wed 1/7

11:45 am-1:20 pm

Nonstop1h 35m

$171

ChicagoNashville

MDW - BNA

MDWBNA

Chicago Midway

Tue 1/27

7:45 pm-9:15 pm

Nonstop1h 30m

Nashville Intl

Sat 1/31

12:05 pm-1:40 pm

Nonstop1h 35m

$171

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 results

...

Best time to book a flight from Illinois to Tennessee

Have a flexible travel schedule? Discover the best time to fly to Tennessee from Illinois with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Tennessee

What is the cheapest month to book a flight from Illinois to Tennessee?

Currently, February is the cheapest month in which you can book a flight from Illinois to Tennessee (average of $37). Flying from Illinois to Tennessee in December is currently the most expensive (average of $78). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to TN?

When flying from Illinois to Tennessee, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 51% versus a flight at noon.

What is the cheapest day to fly from Illinois to Tennessee?

Travelers seeking maximum savings on their Illinois to Tennessee flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Illinois to Tennessee

The most flights from USIL to USTN are scheduled on a Tuesday (49 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing Tennessee

See what other customers who have flown with Southwest, United Airlines, and American Airlines from Illinois to Tennessee have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Southwest

7.9

Good

4,250 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

United Airlines

7.4

Good

9,092 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

American Airlines

7.2

Good

11,049 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Allegiant Air

7.2

Good

700 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Frontier

5.8

Fair

3,082 reviews

Southwest

7.9

Good

4,250 reviews

Reviews

1 / 20

2.0

Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

How long is the flight from Illinois to Tennessee?
For as low as $80, Allegiant Air can have you in Tennessee from Illinois in 1h 14m. The distance between Illinois and Tennessee is about 353 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines to fly from Illinois to Tennessee one-way?
The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $27. However, be on the lookout for offers from Spirit Airlines and Southwest, as they are both options that can get you from Illinois to Tennessee for a low price.
Can I find deals for flights from Illinois to Tennessee that include hotel bookings?
Yes. In addition to deals on Illinois to Tennessee flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois to Tennessee?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Tennessee.
Can I find deals for business class flights from Illinois to Tennessee?
Yes. Cheapflights offers flight deals from Illinois to Tennessee by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Illinois to Tennessee?
Currently, February is the cheapest month in which you can book a flight from Illinois to Tennessee (average of $37). Flying from Illinois to Tennessee in December is currently the most expensive (average of $78). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 8 airlines flying from Illinois to Tennessee

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$37	Average$110	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$43	Average$93	FlexibilityNo cancel fee	On-time65%
Allegiant Air	Cheapest$74	Average$126	FlexibilityNo cancel fee	On-time88%
Southwest	Cheapest$97	Average$252	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$115	Average$351	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$121	Average$344	FlexibilityNo cancel fee	On-time69%
Denver Air Connection	Cheapest$124	Average$201	FlexibilityNo cancel fee	On-timeN/A
Delta	Cheapest$208	Average$310	FlexibilityNo cancel fee	On-timeN/A

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$67+ Cheap flights from Illinois to Tennessee

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Illinois to Tennessee with Cheapflights

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Cheap flight deals from Illinois to Tennessee

Cheapest flights from Illinois to TennesseeExplore the most affordable flight options available from Illinois to Tennessee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Explore the most affordable flight options available from Illinois to Tennessee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

Find flight deals from Illinois to Tennessee

Keep the following information in mind while searching for Illinois to Tennessee flight deals. Data was last updated December 16, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from Illinois to Tennessee

Have a flexible travel schedule? Discover the best time to fly to Tennessee from Illinois with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Tennessee

What is the cheapest month to book a flight from Illinois to Tennessee?

What is the cheapest time of day to fly from IL to TN?

Find hourly flight availability from Illinois to Tennessee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

What is the cheapest day to fly from Illinois to Tennessee?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Tennessee. Price data was last updated on December 16, 2024.

Weekly flight availability from Illinois to Tennessee

Reviews of airlines servicing Tennessee

See what other customers who have flown with Southwest, United Airlines, and American Airlines from Illinois to Tennessee have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Tennessee. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Illinois to Tennessee?

What are the cheapest airlines to fly from Illinois to Tennessee one-way?

Can I find deals for flights from Illinois to Tennessee that include hotel bookings?

How can I find direct flights from Illinois to Tennessee?

Can I find deals for business class flights from Illinois to Tennessee?

What is the cheapest month to book a flight from Illinois to Tennessee?

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Alternative routes for Illinois to Tennessee

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Top 8 airlines flying from Illinois to Tennessee

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Cheapest flights from Illinois to Tennessee
Explore the most affordable flight options available from Illinois to Tennessee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.