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$49+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BNA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$77
(Cheapflightsfares)

One-way from

$49
(CheapOair)

Popular in

March

Cheapest in

February

Average price

$278

Good round-trip deal

$82 or less

Good one-way deal

$50 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. 8% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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 5/95:20 pmORD - BNA
Nonstop1h 32mSpirit Airlines
Mon 5/122:28 pmBNA - ORD
Nonstop1h 57mSpirit Airlines
Deal found 3/27$77
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/247:33 pmORD - BNA
1 stop11h 49mMultiple Airlines
Mon 4/284:48 pmBNA - ORD
Nonstop1h 53mMultiple Airlines
Deal found 3/27$108
This Frontier deal was found by Cheapflights users on 3/26. 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.
Fri 5/92:30 pmORD - BNA
Nonstop1h 36mFrontier
Mon 5/125:01 pmBNA - ORD
Nonstop2h 04mFrontier
Deal found 3/26$115
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Mon 5/510:15 pmORD - BNA
Nonstop1h 35mAmerican Airlines
Tue 5/67:17 amBNA - ORD
Nonstop1h 53mAmerican Airlines
Deal found 3/27$137
This Southwest deal was found by Cheapflights users on 3/27. 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 5/129:25 amMDW - BNA
Nonstop1h 30mSouthwest
Tue 5/135:15 pmBNA - MDW
Nonstop1h 40mSouthwest
Deal found 3/27$137
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 5/77:18 amORD - BNA
Nonstop1h 42mUnited Airlines
Fri 5/96:05 amBNA - ORD
Nonstop2h 00mUnited Airlines
Deal found 3/27$141
This Southwest deal was found by Cheapflights users on 3/27. 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 5/74:00 pmORD - BNA
Nonstop1h 40mSouthwest
Sat 5/102:55 pmBNA - ORD
Nonstop1h 50mSouthwest
Deal found 3/27$148
This Frontier deal was found by Cheapflights users on 3/27. 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.
Fri 4/186:45 amMDW - BNA
1 stop6h 24mFrontier
Mon 4/216:00 pmBNA - MDW
1 stop6h 21mFrontier
Deal found 3/27$158
This Frontier deal was found by Cheapflights users on 3/28. 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.
Sat 5/178:15 pmSTL - BNA
1 stop22h 37mFrontier
Mon 5/1910:01 amBNA - STL
1 stop14h 05mFrontier
Deal found 3/28$159
This Flightnetwork deal was found by Cheapflights users on 3/28. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/29:50 amSTL - BNA
1 stop4h 05mSouthern / Mokulele
Sun 5/42:35 pmBNA - STL
1 stop4h 06mSouthern / Mokulele
Deal found 3/28$168
This Delta deal was found by Cheapflights users on 3/27. 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.
Fri 4/251:25 pmORD - BNA
1 stop3h 59mDelta
Mon 4/287:31 pmBNA - ORD
1 stop4h 28mDelta
Deal found 3/27$177
This Delta deal was found by Cheapflights users on 3/27. 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.
Thu 4/176:04 amMDW - BNA
1 stop5h 20mDelta
Mon 4/215:15 amBNA - MDW
1 stop3h 52mDelta
Deal found 3/27$177

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 March 28, 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

Fri 5/9

5:20 pm-6:52 pm

Nonstop1h 32m

Nashville Intl

Mon 5/12

2:28 pm-4:25 pm

Nonstop1h 57m

$77

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

Thu 4/24

7:33 pm-7:22 am

1 stop11h 49m

Nashville Intl

Mon 4/28

4:48 pm-6:41 pm

Nonstop1h 53m

$108

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

Fri 5/9

2:30 pm-4:06 pm

Nonstop1h 36m

Nashville Intl

Mon 5/12

5:01 pm-7:05 pm

Nonstop2h 04m

$115

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

Mon 5/5

10:15 pm-11:50 pm

Nonstop1h 35m

Nashville Intl

Thu 5/8

5:32 am-7:25 am

Nonstop1h 53m

$137

ChicagoNashville

MDW - BNA

MDWBNA

Chicago Midway

Mon 5/12

9:25 am-10:55 am

Nonstop1h 30m

Nashville Intl

Tue 5/13

5:15 pm-6:55 pm

Nonstop1h 40m

$137

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

Wed 5/7

7:18 am-9:00 am

Nonstop1h 42m

Nashville Intl

Fri 5/9

6:05 am-8:05 am

Nonstop2h 00m

$141

ChicagoNashville

ORD - BNA

ORDBNA

Chicago O'Hare Intl

Wed 5/7

4:00 pm-5:40 pm

Nonstop1h 40m

Nashville Intl

Sat 5/10

2:55 pm-4:45 pm

Nonstop1h 50m

$148

ChicagoNashville

MDW - BNA

MDWBNA

Chicago Midway

Fri 4/18

6:45 am-1:09 pm

1 stop6h 24m

Nashville Intl

Mon 4/21

6:00 pm-12:21 am

1 stop6h 21m

$158

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Sat 5/17

8:15 pm-6:52 pm

1 stop22h 37m

Nashville Intl

Mon 5/19

10:01 am-12:06 am

1 stop14h 05m

$159

St. LouisNashville

STL - BNA

STLBNA

Lambert-St Louis

Fri 5/2

9:50 am-1:55 pm

1 stop4h 05m

Nashville Intl

Sun 5/4

2:35 pm-6:41 pm

1 stop4h 06m

$168

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 March 28, 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 March 28, 2025.

The most flights from USIL to USTN are scheduled on a Friday (52 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 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 March 28, 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
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

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
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

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
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

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
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

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
731 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

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
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

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 $49. However, be on the lookout for offers from Spirit Airlines and United Airlines, 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

Browse thousands of different options on Cheapflights for your next trip

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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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LaGuardia to Fort Lauderdale flights
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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$37Average$133FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$59Average$129FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$111Average$352FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$111Average$338FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$116Average$269FlexibilityNo cancel feeOn-time63%
DeltaCheapest$156Average$333FlexibilityNo cancel feeOn-timeN/A
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