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$58+ Cheap flights from Nashville (BNA) 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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ORD
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
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Cheap flight deals from Nashville to Illinois

Keep the following information in mind while searching for Nashville to Illinois flight deals. Data was last updated March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$85
(Mytrip)

One-way from

$58
(Frontier)

Popular in

March

Cheapest in

September

Average price

$243

Good round-trip deal

$65 or less

Good one-way deal

$126 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 Nashville Intl to Illinois
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One-way flight from Nashville Intl to Illinois
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% 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 Nashville Intl to Illinois.
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Price to beat on a one-way flight from Nashville Intl to Illinois.
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Find flight deals from Nashville to Illinois

Cheapest flights from Nashville to Illinois
Explore the most affordable flight options available from Nashville to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 25, 2025.

This Mytrip deal was found by Cheapflights users on 3/24. 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.
Thu 5/221:45 pmBNA - RFD
Nonstop1h 41mAllegiant Air
Sun 5/254:16 pmRFD - BNA
Nonstop1h 32mAllegiant Air
Deal found 3/24$85
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Fri 4/112:09 pmBNA - ORD
Nonstop1h 53mMultiple Airlines
Tue 4/155:45 pmORD - BNA
1 stop5h 58mMultiple Airlines
Deal found 3/23$105
This Frontier deal was found by Cheapflights users on 3/24. 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 5/95:01 pmBNA - ORD
Nonstop2h 04mFrontier
Mon 5/122:30 pmORD - BNA
Nonstop1h 36mFrontier
Deal found 3/24$116
This Cheapflightsfares deal was found by Cheapflights users on 3/24. 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.
Tue 4/89:50 pmBNA - ORD
1 stop9h 13mSpirit Airlines
Wed 4/95:45 pmORD - BNA
1 stop5h 58mSpirit Airlines
Deal found 3/24$131
This Southwest deal was found by Cheapflights users on 3/23. 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.
Tue 4/1510:05 amBNA - MDW
Nonstop1h 35mSouthwest
Tue 4/158:35 pmMDW - BNA
Nonstop1h 30mSouthwest
Deal found 3/23$137
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Wed 5/75:32 amBNA - ORD
Nonstop1h 53mAmerican Airlines
Wed 5/147:10 amORD - BNA
Nonstop1h 39mAmerican Airlines
Deal found 3/23$137
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Fri 4/259:50 amBNA - ORD
Nonstop1h 52mUnited Airlines
Wed 4/3012:45 pmORD - BNA
Nonstop1h 45mUnited Airlines
Deal found 3/24$141
This Southwest deal was found by Cheapflights users on 3/23. 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.
Sat 7/52:35 pmBNA - ORD
Nonstop1h 50mSouthwest
Sat 7/124:20 pmORD - BNA
Nonstop1h 35mSouthwest
Deal found 3/23$159
This CheapOair deal was found by Cheapflights users on 3/23. 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.
Wed 4/99:23 amBNA - STL
1 stop14h 23mFrontier
Tue 4/154:57 pmSTL - BNA
1 stop15h 26mFrontier
Deal found 3/23$162
This Cheapflightsfares deal was found by Cheapflights users on 3/24. 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.
Mon 4/212:35 pmBNA - STL
1 stop4h 06mSouthern / Mokulele
Mon 4/289:50 amSTL - BNA
1 stop4h 05mSouthern / Mokulele
Deal found 3/24$172
This Delta deal was found by Cheapflights users on 3/23. 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.
Wed 5/77:10 amBNA - MDW
1 stop4h 43mDelta
Wed 5/146:00 amMDW - BNA
1 stop5h 11mDelta
Deal found 3/23$177
This Delta deal was found by Cheapflights users on 3/23. 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 5/136:00 amBNA - ORD
1 stop3h 51mDelta
Wed 5/145:30 amORD - BNA
1 stop4h 22mDelta
Deal found 3/23$177

Cheapflights Fare Finder

Customize your flight search to find flights from Nashville 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 March 25, 2025.
Use the filters below to find and compare flights from Nashville to Illinois that are best for you.

Fly from

Nashville

Fly to

Illinois

Route

Depart

Return

Price

NashvilleChicago

BNA - RFD

BNARFD

Nashville Intl

Thu 5/22

1:45 pm-3:26 pm

Nonstop1h 41m

Chicago Greater Rockford

Sun 5/25

4:16 pm-5:48 pm

Nonstop1h 32m

$85

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

Fri 4/11

2:09 pm-4:02 pm

Nonstop1h 53m

Chicago O'Hare Intl

Tue 4/15

5:45 pm-11:43 pm

1 stop5h 58m

$105

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

Fri 5/9

5:01 pm-7:05 pm

Nonstop2h 04m

Chicago O'Hare Intl

Mon 5/12

2:30 pm-4:06 pm

Nonstop1h 36m

$116

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

Tue 4/8

9:50 pm-7:03 am

1 stop9h 13m

Chicago O'Hare Intl

Wed 4/9

5:45 pm-11:43 pm

1 stop5h 58m

$131

NashvilleChicago

BNA - MDW

BNAMDW

Nashville Intl

Tue 4/15

10:05 am-11:40 am

Nonstop1h 35m

Chicago Midway

Tue 4/15

8:35 pm-10:05 pm

Nonstop1h 30m

$137

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

Wed 5/7

5:32 am-7:25 am

Nonstop1h 53m

Chicago O'Hare Intl

Wed 5/14

7:10 am-8:49 am

Nonstop1h 39m

$137

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

Fri 4/25

9:50 am-11:42 am

Nonstop1h 52m

Chicago O'Hare Intl

Wed 4/30

12:45 pm-2:30 pm

Nonstop1h 45m

$141

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Wed 4/9

9:23 am-11:46 pm

1 stop14h 23m

Lambert-St Louis

Tue 4/15

4:57 pm-8:23 am

1 stop15h 26m

$162

NashvilleChicago

BNA - ORD

BNAORD

Nashville Intl

Wed 4/23

6:05 am-1:05 pm

1 stop7h 00m

Chicago O'Hare Intl

Wed 4/30

7:30 am-4:35 pm

2 stops9h 05m

$162

NashvilleSt. Louis

BNA - STL

BNASTL

Nashville Intl

Mon 4/21

2:35 pm-6:41 pm

1 stop4h 06m

Lambert-St Louis

Mon 4/28

9:50 am-1:55 pm

1 stop4h 05m

$172

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 53 results
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Best time to book a flight from Nashville to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Nashville to Illinois (average of $245). Flying from Nashville to Illinois in March is currently the most expensive (average of $323). 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 BNA to IL?

Find hourly flight availability from Nashville 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 March 25, 2025.

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

Weekly flight availability from Nashville to Illinois

Explore weekly flight availability from Nashville 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 March 25, 2025.

The most flights from BNA to USIL are scheduled on a Monday (59 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (35 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 March 25, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from Nashville to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

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
4,272 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

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
7,890 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

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
8,605 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

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.
JetBlue
7.3
Good
2,924 reviews
Southwest
8.0
Very good
4,272 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

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
4,272 reviews

Entertainment

7.6

Overall

8.0

Crew

8.6

Food

7.1

Boarding

8.2

Comfort

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 Nashville to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Nashville to Illinois?

    Located just 6.0 mi from the city center, Nashville Intl (BNA) is the airport most travelers will use when flying to Illinois from Nashville.

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

    The cheapest airlines for a one-way flight from Nashville to Illinois are Frontier ($58), Spirit Airlines ($61), and Southwest ($69).

  • What are the most popular routes from Nashville to Illinois?

    Most travelers choose Nashville Intl - Chicago O'Hare Intl, Nashville Intl - Chicago Midway or Nashville Intl - Lambert-St Louis when deciding on the best route from Nashville to Illinois.

  • What are the most reliable airlines from Nashville to Illinois?

    Consider Royal Jordanian (92%), ANA (89%) or Southwest (88%) when booking your flight. These represent the most reliable airlines when flying from Nashville to Illinois.

  • What are the cheapest flights from Nashville to Illinois?

    On average you can expect to pay $1,932 for a flight from Nashville to Illinois. The cheapest flight overall is $58 while the most popular route, (Nashville Intl - Chicago O'Hare Intl) is currently priced at $126.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Nashville to Illinois (average of $245). Flying from Nashville to Illinois in March is currently the most expensive (average of $323). 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.

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Alternative routes for Nashville 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 Nashville to Illinois

Discover the top 6 airlines that operate flights from Nashville 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 March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$29Average$80FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$65Average$90FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$91Average$266FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$109Average$248FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$119Average$299FlexibilityNo cancel feeOn-time69%
DeltaCheapest$156Average$463FlexibilityNo cancel feeOn-timeN/A
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