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$38+ Cheap flights from Illinois to Tennessee

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BNA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$38
(Cheapflightsfares)

Popular in

March

Cheapest in

January

Average price

$212

Good round-trip deal

$87 or less

Good one-way deal

$99 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
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Frontier deal was found by Cheapflights users on 2/19. 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 3/313:22 pmORD - BNA
Nonstop1h 39mFrontier
Wed 4/92:08 pmBNA - ORD
Nonstop1h 53mFrontier
Deal found 2/19$59
This Priceline deal was found by Cheapflights users on 2/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/53:50 pmORD - BNA
Nonstop1h 39mMultiple Airlines
Wed 3/199:50 pmBNA - ORD
1 stop9h 44mMultiple Airlines
Deal found 2/20$67
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/55:22 pmORD - BNA
1 stop14h 38mSpirit Airlines
Wed 3/129:15 pmBNA - ORD
1 stop10h 29mSpirit Airlines
Deal found 2/19$96
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/26:40 amMDW - BNA
1 stop6h 27mFrontier
Wed 4/166:00 pmBNA - MDW
1 stop6h 21mFrontier
Deal found 2/20$106
This Southwest deal was found by Cheapflights users on 2/19. 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 3/125:40 amMDW - BNA
Nonstop1h 30mSouthwest
Wed 3/199:15 pmBNA - MDW
Nonstop1h 30mSouthwest
Deal found 2/19$117
This Southwest deal was found by Cheapflights users on 2/20. 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 4/234:00 pmORD - BNA
Nonstop1h 40mSouthwest
Mon 4/2810:50 amBNA - ORD
Nonstop1h 55mSouthwest
Deal found 2/20$117
This American Airlines deal was found by Cheapflights users on 2/19. 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 4/51:50 pmORD - BNA
Nonstop1h 37mAmerican Airlines
Sat 4/127:00 amBNA - ORD
Nonstop1h 53mAmerican Airlines
Deal found 2/19$148
This CheapOair deal was found by Cheapflights users on 2/19. 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 3/65:24 pmSTL - BNA
1 stop18h 19mMultiple Airlines
Sun 3/92:35 pmBNA - STL
1 stop4h 06mMultiple Airlines
Deal found 2/19$169
This Cheapflightsfares deal was found by Cheapflights users on 2/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/79:50 amSTL - BNA
1 stop4h 05mSouthern / Mokulele
Mon 3/172:35 pmBNA - STL
1 stop4h 06mSouthern / Mokulele
Deal found 2/20$172
This Delta deal was found by Cheapflights users on 2/19. 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.
Tue 4/19:25 amMDW - BNA
1 stop3h 41mDelta
Sat 4/126:10 amBNA - MDW
1 stop6h 22mDelta
Deal found 2/19$177
This Delta deal was found by Cheapflights users on 2/20. 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 4/55:00 pmORD - BNA
1 stop4h 25mDelta
Tue 4/82:15 pmBNA - ORD
1 stop4h 04mDelta
Deal found 2/20$177
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 4/17:40 pmORD - BNA
Nonstop1h 45mUnited Airlines
Thu 4/108:00 amBNA - ORD
Nonstop1h 51mUnited Airlines
Deal found 2/20$178

Find flights from Illinois to Tennessee within your budget

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 February 20, 2025.

Fly from

Illinois

Fly to

Tennessee

Route

Depart

Return

Price

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

Fri 4/4

3:22 pm-5:00 pm

Nonstop1h 38m

Nashville Intl

Fri 4/11

2:09 pm-4:02 pm

Nonstop1h 53m

$56

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

Wed 3/12

3:22 pm-5:01 pm

Nonstop1h 39m

Nashville Intl

Wed 3/19

9:50 pm-7:34 am

1 stop9h 44m

$57

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

Wed 3/5

5:22 pm-8:00 am

1 stop14h 38m

Nashville Intl

Wed 3/12

9:15 pm-7:44 am

1 stop10h 29m

$96

ChicagoNashville

MDW - BNA

MDWBNA

Chicago Midway

Wed 4/2

6:40 am-1:07 pm

1 stop6h 27m

Nashville Intl

Wed 4/16

6:00 pm-12:21 am

1 stop6h 21m

$106

ChicagoNashville

MDW - BNA

MDWBNA

Chicago Midway

Wed 4/2

8:55 pm-10:25 pm

Nonstop1h 30m

Nashville Intl

Wed 4/9

7:30 pm-9:05 pm

Nonstop1h 35m

$117

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

Wed 4/23

4:00 pm-5:40 pm

Nonstop1h 40m

Nashville Intl

Mon 4/28

10:50 am-12:45 pm

Nonstop1h 55m

$117

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

Sat 4/5

2:50 pm-4:26 pm

Nonstop1h 36m

Nashville Intl

Sat 4/12

7:00 am-8:53 am

Nonstop1h 53m

$148

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Thu 3/6

5:24 pm-11:43 am

1 stop18h 19m

Nashville Intl

Sun 3/9

2:35 pm-6:41 pm

1 stop4h 06m

$169

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Fri 3/7

9:50 am-1:55 pm

1 stop4h 05m

Nashville Intl

Mon 3/17

2:35 pm-6:41 pm

1 stop4h 06m

$172

ChicagoNashville

MDW - BNA

MDWBNA

Chicago Midway

Tue 4/1

9:25 am-1:06 pm

1 stop3h 41m

Nashville Intl

Sat 4/12

6:10 am-12:32 pm

1 stop6h 22m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

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.

Travel insights for flights from Illinois to Tennessee

Get recent, data-driven insights about flights from Illinois to Tennessee including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 2025.

The most flights from USIL to USTN are scheduled on a Wednesday (48 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 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 February 20, 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
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Allegiant Air
7.3
Good
765 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 6 airlines flying from Illinois to Tennessee

Discover the top 6 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$37Average$101FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$59Average$128FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$108Average$355FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$109Average$267FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$115Average$361FlexibilityNo cancel feeOn-time69%
DeltaCheapest$156Average$327FlexibilityNo cancel feeOn-timeN/A
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