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$57+ Cheap flights from Tennessee to Illinois

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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ORD
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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Cheap flight deals from Tennessee to Illinois

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$72
(Priceline)

One-way from

$57
(Priceline)

Popular in

March

Cheapest in

May

Average price

$188

Good round-trip deal

$83 or less

Good one-way deal

$57 or less
Provider with most accurate pricing for Nashville Intl-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Nashville Intl-Chicago (CHI) flights.
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From Tennessee to Illinois
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One-way flight from Tennessee to Illinois
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Highest demand for flights based on searches. 7% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 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 Tennessee to Illinois.
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Price to beat on a one-way flight from Tennessee to Illinois.
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Find flight deals from Tennessee to Illinois

Cheapest flights from Tennessee to Illinois
Explore the most affordable flight options available from Tennessee to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/162:28 pmBNA - ORD
Nonstop1h 57mSpirit Airlines
lun. 5/195:20 pmORD - BNA
Nonstop1h 32mSpirit Airlines
Deal found 4/17$72
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/53:07 pmBNA - ORD
Nonstop1h 54mMultiple Airlines
vie. 6/65:20 pmORD - BNA
Nonstop1h 32mMultiple Airlines
Deal found 4/16$82
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.
jue. 6/53:07 pmBNA - ORD
Nonstop1h 54mFrontier
jue. 6/1212:35 pmORD - BNA
Nonstop1h 42mFrontier
Deal found 4/16$88
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.
lun. 5/126:55 pmBNA - MDW
Nonstop1h 35mSouthwest
jue. 5/155:20 amMDW - BNA
Nonstop1h 25mSouthwest
Deal found 4/16$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.
lun. 5/1210:50 amBNA - ORD
Nonstop1h 55mSouthwest
mié. 5/144:00 pmORD - BNA
Nonstop1h 40mSouthwest
Deal found 4/16$97
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.
mié. 5/145:32 amBNA - ORD
Nonstop1h 53mAmerican Airlines
dom. 5/187:10 amORD - BNA
Nonstop1h 39mAmerican Airlines
Deal found 4/16$137
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/88:00 amBNA - ORD
Nonstop1h 51mUnited Airlines
sáb. 5/105:55 pmORD - BNA
Nonstop1h 45mUnited Airlines
Deal found 4/16$138
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.
vie. 5/167:52 pmBNA - STL
1 stop14h 07mFrontier
dom. 5/185:45 pmSTL - BNA
1 stop15h 24mFrontier
Deal found 4/17$161
This Expedia deal was found by Cheapflights users on 4/15. 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.
jue. 5/82:35 pmBNA - STL
1 stop4h 06mSouthern / Mokulele
lun. 5/129:50 amSTL - BNA
1 stop4h 05mSouthern / Mokulele
Deal found 4/15$169
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/52:35 pmBNA - STL
1 stop4h 06mMultiple Airlines
jue. 5/85:45 pmSTL - BNA
1 stop15h 24mMultiple Airlines
Deal found 4/16$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.
mar. 6/35:15 amBNA - MDW
1 stop4h 25mDelta
mié. 6/116:00 amMDW - BNA
1 stop3h 52mDelta
Deal found 4/16$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.
sáb. 6/76:00 amBNA - ORD
1 stop3h 51mDelta
mar. 6/105:35 amORD - BNA
1 stop5h 53mDelta
Deal found 4/16$178

Cheapflights Fare Finder

Customize your flight search to find flights from Tennessee to Illinois 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 abril 17, 2025.
Use the filters below to find and compare flights from Tennessee to Illinois that are best for you.

Fly from

Tennessee

Fly to

Illinois

Route

Depart

Return

Price

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

vie. 5/16

2:28 pm-4:25 pm

Nonstop1h 57m

Chicago O'Hare Intl

lun. 5/19

5:20 pm-6:52 pm

Nonstop1h 32m

$72

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

jue. 6/5

3:07 pm-5:01 pm

Nonstop1h 54m

Chicago O'Hare Intl

vie. 6/6

5:20 pm-6:52 pm

Nonstop1h 32m

$82

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

jue. 6/5

3:07 pm-5:01 pm

Nonstop1h 54m

Chicago O'Hare Intl

jue. 6/12

12:35 pm-2:17 pm

Nonstop1h 42m

$88

NashvilleChicago

BNA - MDW

BNAMDW

Nashville Intl

lun. 5/12

6:55 pm-8:30 pm

Nonstop1h 35m

Chicago Midway

jue. 5/15

5:20 am-6:45 am

Nonstop1h 25m

$97

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

lun. 5/12

10:50 am-12:45 pm

Nonstop1h 55m

Chicago O'Hare Intl

mié. 5/14

4:00 pm-5:40 pm

Nonstop1h 40m

$97

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

mié. 5/14

5:32 am-7:25 am

Nonstop1h 53m

Chicago O'Hare Intl

dom. 5/18

7:10 am-8:49 am

Nonstop1h 39m

$137

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

jue. 5/8

8:00 am-9:51 am

Nonstop1h 51m

Chicago O'Hare Intl

sáb. 5/10

5:55 pm-7:40 pm

Nonstop1h 45m

$138

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

vie. 5/16

7:52 pm-9:59 am

1 stop14h 07m

Lambert-St Louis

dom. 5/18

5:45 pm-9:09 am

1 stop15h 24m

$161

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

jue. 5/8

2:35 pm-6:41 pm

1 stop4h 06m

Lambert-St Louis

lun. 5/12

9:50 am-1:55 pm

1 stop4h 05m

$169

NashvilleChicago

BNA - MDW

BNAMDW

Nashville Intl

mar. 6/3

5:15 am-9:40 am

1 stop4h 25m

Chicago Midway

mié. 6/11

6:00 am-9:52 am

1 stop3h 52m

$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 Tennessee to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Tennessee 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 Tennessee to Illinois

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

Currently, August is the cheapest month in which you can book a flight from Tennessee to Illinois (average of $245). Flying from Tennessee to Illinois in March is currently the most expensive (average of $321). 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 TN to IL?

Find hourly flight availability from Tennessee to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 17, 2025.

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

Weekly flight availability from Tennessee to Illinois

Explore weekly flight availability from Tennessee to Illinois. 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 abril 17, 2025.

The most flights from USTN to USIL are scheduled on a Wednesday (63 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (40 on average).

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated abril 17, 2025.
To help decide which airline to fly from Tennessee to Illinois, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,887 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Allegiant Air
7.3
Good
734 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Entertainment

7.1

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Tennessee to Illinois. 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 Tennessee to Illinois one-way?

    One-way options have recently been found by users for as low as $57 on Spirit Airlines. Other airlines that offer cheap prices include Southwest from $59 and Allegiant Air from $61 one-way.

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

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

  • How can I find direct flights from Tennessee to Illinois?

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

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

    Yes. Cheapflights offers flight deals from Tennessee to Illinois 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 Tennessee to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Tennessee to Illinois (average of $245). Flying from Tennessee to Illinois in March is currently the most expensive (average of $321). 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 Tennessee to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Tennessee to Illinois

Discover the top 6 airlines that operate flights from Tennessee to Illinois. 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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$30Average$82FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$65Average$86FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$92Average$351FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$117Average$275FlexibilityNo cancel feeOn-time63%
DeltaCheapest$117Average$337FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$119Average$323FlexibilityNo cancel feeOn-time69%

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