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$50+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BNA
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Illinois to Tennessee

Keep the following information in mind while searching for Illinois to Tennessee flight deals. Data was last updated April 17, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$94
(Booking.com)

One-way from

$50
(Frontier)

Popular in

April

Cheapest in

February

Average price

$267

Good round-trip deal

$80 or less

Good one-way deal

$51 or less
Provider with most accurate pricing for Chicago (CHI)-Nashville Intl flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Nashville Intl flights.
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From Illinois to Tennessee
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One-way flight from Illinois to Tennessee
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Highest demand for flights based on searches. 13% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in April 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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Find 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 April 17, 2025.

This Booking.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/125:20 pmORD - BNA
Nonstop1h 32mSpirit Airlines
Mon 5/197:39 pmBNA - ORD
1 stop13h 11mSpirit Airlines
Deal found 4/16$94
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/122:10 pmORD - BNA
Nonstop1h 44mUnited Airlines
Wed 5/146:05 amBNA - ORD
Nonstop2h 00mUnited Airlines
Deal found 4/17$97
This Southwest deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/125:20 amMDW - BNA
Nonstop1h 25mSouthwest
Mon 5/199:25 pmBNA - MDW
Nonstop1h 35mSouthwest
Deal found 4/16$97
This CheapOair deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/812:35 pmORD - BNA
Nonstop1h 42mMultiple Airlines
Mon 6/92:28 pmBNA - ORD
Nonstop1h 57mMultiple Airlines
Deal found 4/17$100
This Southwest deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/145:45 pmORD - BNA
1 stop5h 20mSouthwest
Wed 5/2110:50 amBNA - ORD
Nonstop1h 55mSouthwest
Deal found 4/16$107
This Frontier deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/52:36 pmORD - BNA
Nonstop1h 36mFrontier
Mon 5/125:02 pmBNA - ORD
Nonstop2h 04mFrontier
Deal found 4/16$109
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/610:14 pmORD - BNA
Nonstop1h 34mAmerican Airlines
Mon 6/95:36 amBNA - ORD
Nonstop1h 51mAmerican Airlines
Deal found 4/17$149
This CheapOair deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/81:19 pmMDW - BNA
1 stop19h 50mFrontier
Sun 5/117:52 pmBNA - MDW
1 stop23h 16mFrontier
Deal found 4/16$161
This Expedia deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/159:50 amSTL - BNA
1 stop4h 05mSouthern / Mokulele
Thu 5/222:35 pmBNA - STL
1 stop4h 06mSouthern / Mokulele
Deal found 4/17$168
This Delta deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/121:45 pmORD - BNA
1 stop4h 40mDelta
Tue 5/132:15 pmBNA - ORD
1 stop4h 22mDelta
Deal found 4/17$177
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/176:00 amMDW - BNA
1 stop6h 18mDelta
Wed 5/215:15 amBNA - MDW
1 stop6h 38mDelta
Deal found 4/16$178
This American Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3111:54 amORD - TYS
Nonstop1h 40mAmerican Airlines
Sat 6/71:06 pmTYS - ORD
Nonstop1h 53mAmerican Airlines
Deal found 4/16$186

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Tennessee 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, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
Use the filters below to find and compare flights from Illinois to Tennessee that are best for you.

Fly from

Illinois

Fly to

Tennessee

Route

Depart

Return

Price

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

Mon 5/12

5:20 pm-6:52 pm

Nonstop1h 32m

Nashville Intl

Mon 5/19

7:39 pm-8:50 am

1 stop13h 11m

$94

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

Mon 5/12

4:00 pm-5:40 pm

Nonstop1h 40m

Nashville Intl

Tue 5/13

10:50 am-12:45 pm

Nonstop1h 55m

$97

ChicagoNashville

MDW - BNA

MDWBNA

Chicago Midway

Mon 5/12

5:20 am-6:45 am

Nonstop1h 25m

Nashville Intl

Mon 5/19

9:25 pm-11:00 pm

Nonstop1h 35m

$97

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

Sun 6/8

12:35 pm-2:17 pm

Nonstop1h 42m

Nashville Intl

Mon 6/9

2:28 pm-4:25 pm

Nonstop1h 57m

$100

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

Mon 5/5

2:36 pm-4:12 pm

Nonstop1h 36m

Nashville Intl

Mon 5/12

5:02 pm-7:06 pm

Nonstop2h 04m

$109

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

Fri 5/9

3:40 pm-5:28 pm

Nonstop1h 48m

Nashville Intl

Tue 5/13

9:58 am-11:50 am

Nonstop1h 52m

$121

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

Fri 6/6

10:14 pm-11:48 pm

Nonstop1h 34m

Nashville Intl

Mon 6/9

5:36 am-7:27 am

Nonstop1h 51m

$149

ChicagoNashville

MDW - BNA

MDWBNA

Chicago Midway

Thu 5/8

1:19 pm-9:09 am

1 stop19h 50m

Nashville Intl

Sun 5/11

7:52 pm-7:08 pm

1 stop23h 16m

$161

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Thu 5/15

9:50 am-1:55 pm

1 stop4h 05m

Nashville Intl

Thu 5/22

2:35 pm-6:41 pm

1 stop4h 06m

$168

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

Mon 5/12

1:45 pm-6:25 pm

1 stop4h 40m

Nashville Intl

Tue 5/13

2:15 pm-6:37 pm

1 stop4h 22m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 60 results
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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, January is the cheapest month in which you can book a flight from Illinois to Tennessee (average of $220). Flying from Illinois to Tennessee in June is currently the most expensive (average of $292). 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?

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 April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Tennessee as you normally would.

Weekly flight availability from Illinois to Tennessee

Explore weekly flight availability from Illinois to Tennessee. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 17, 2025.

The most flights from USIL to USTN are scheduled on a Wednesday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (28 on average).

Rainfall in Tennessee by month

Plan your trip to Tennessee by taking into account the average rainfall totals by month.

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.

Temperature in Tennessee by month

Plan your trip to Tennessee by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Tennessee

Get insights into the airlines that provide service to Tennessee. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Tennessee. Reviews last updated April 17, 2025.
See what other customers who have flown with Southwest, Delta and United Airlines from Illinois to Tennessee have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,280 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,917 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,667 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Allegiant Air
7.3
Good
734 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Crew

8.6

Boarding

8.2

Food

7.1

Comfort

8.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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.

  • 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 $50. 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, January is the cheapest month in which you can book a flight from Illinois to Tennessee (average of $220). Flying from Illinois to Tennessee in June is currently the most expensive (average of $292). 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

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Alternative routes for Illinois to Tennessee

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Illinois to Tennessee

Discover the top 7 airlines that operate flights from Illinois to Tennessee. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$37Average$134FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$41Average$185FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$74Average$113FlexibilityNo cancel feeOn-time88%
United AirlinesCheapest$110Average$337FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$113Average$377FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$117Average$265FlexibilityNo cancel feeOn-time63%
DeltaCheapest$143Average$328FlexibilityNo cancel feeOn-timeN/A

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