$59+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ORD
Jan 13 — Jan 201
1 adult, Economy
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Cheapest flights from Nashville to IllinoisExplore 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 December 14, 2025.
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 December 14, 2025.
This Kiwi.com deal was found by Cheapflights users on 12/12. 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.
Wed 12/247:02 pmBNA - ORD
1 stop29h 10mMultiple Airlines
Sat 1/107:20 amORD - BNA
1 stop12h 23mMultiple Airlines
Deal found 12/12![Multiple Airlines logo]()
$177
This Southern / Mokulele deal was found by Cheapflights users on 12/13. 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 Southern / Mokulele is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/152:35 pmBNA - STL
1 stop4h 01mSouthern / Mokulele
Thu 12/189:50 amSTL - BNA
1 stop3h 58mSouthern / Mokulele
Deal found 12/13![Southern / Mokulele logo]()
$193
This United Airlines deal was found by Cheapflights users on 12/12. 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 12/248:00 amBNA - ORD
Nonstop1h 55mUnited Airlines
Sat 1/102:13 pmORD - BNA
Nonstop1h 41mUnited Airlines
Deal found 12/12![United Airlines logo]()
$193
This American Airlines deal was found by Cheapflights users on 12/13. 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 12/315:30 amBNA - ORD
Nonstop1h 58mAmerican Airlines
Thu 1/110:09 pmORD - BNA
Nonstop1h 48mAmerican Airlines
Deal found 12/13![American Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 12/13. 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.
Sun 12/282:35 pmBNA - STL
1 stop4h 01mSouthern / Mokulele
Thu 1/19:50 amSTL - BNA
1 stop3h 58mSouthern / Mokulele
Deal found 12/13![Southern / Mokulele logo]()
$224
This American Airlines deal was found by Cheapflights users on 12/12. 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 12/247:30 amBNA - ORD
1 stop6h 42mAmerican Airlines
Sat 1/101:23 pmORD - BNA
Nonstop1h 50mAmerican Airlines
Deal found 12/12![American Airlines logo]()
$233
This Delta deal was found by Cheapflights users on 12/14. 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 12/3110:35 amBNA - MDW
1 stop6h 51mDelta
Thu 1/19:29 amMDW - BNA
1 stop4h 13mDelta
Deal found 12/14![Delta logo]()
$235
This Delta deal was found by Cheapflights users on 12/12. 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 12/316:15 amBNA - ORD
1 stop6h 39mDelta
Thu 1/17:00 amORD - BNA
1 stop6h 42mDelta
Deal found 12/12![Delta logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Wed 12/318:38 pmBNA - ORD
2 stops21h 55mMultiple Airlines
Sun 1/48:09 pmORD - BNA
1 stop27h 05mMultiple Airlines
Deal found 12/14![Multiple Airlines logo]()
$267
This American Airlines deal was found by Cheapflights users on 12/11. 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 12/297:05 amBNA - ORD
Nonstop2h 00mAmerican Airlines
Tue 1/611:43 amORD - BNA
Nonstop1h 43mAmerican Airlines
Deal found 12/11![American Airlines logo]()
$268
This United Airlines deal was found by Cheapflights users on 12/13. 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 12/264:56 pmBNA - MLI
1 stop4h 25mUnited Airlines
Thu 1/295:29 pmMLI - BNA
1 stop4h 13mUnited Airlines
Deal found 12/13![United Airlines logo]()
$274
This United Airlines deal was found by Cheapflights users on 12/12. 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 12/316:01 amBNA - ORD
Nonstop2h 04mUnited Airlines
Fri 1/27:15 amORD - BNA
Nonstop1h 50mUnited Airlines
Deal found 12/12![United Airlines logo]()
$277
Find flight deals from Nashville to Illinois
Keep the following information in mind while searching for Nashville to Illinois flight deals. Data was last updated December 14, 2025.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $133 (Delta) |
One-way from | $59 (Southwest) |
Popular in | December |
Cheapest in | September |
Average price | $237 |
Good round-trip deal | $107 or less |
Good one-way deal | $123 or less |
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 December 14, 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
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Fri 1/30
9:25 am-2:49 pm
1 stop5h 24m
Lambert-St Louis
Sun 2/1
7:10 am-12:03 pm
1 stop4h 53m
$133
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Fri 1/30
9:25 am-2:49 pm
1 stop5h 24m
Lambert-St Louis
Sat 1/31
7:10 am-12:23 pm
1 stop5h 13m
$133
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Thu 1/22
9:25 am-11:33 pm
1 stop14h 08m
Lambert-St Louis
Mon 1/26
5:42 pm-8:29 am
1 stop14h 47m
$154
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Thu 1/22
9:25 am-10:23 am
1 stop24h 58m
Lambert-St Louis
Sun 1/25
5:42 pm-8:29 am
1 stop14h 47m
$154
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
Fri 1/30
9:25 am-11:33 pm
1 stop14h 08m
Lambert-St Louis
Tue 2/3
5:42 pm-8:29 am
1 stop14h 47m
$155
NashvilleChicago
BNA - MDW
BNAMDW
Nashville Intl
Wed 1/7
8:30 pm-10:05 pm
Nonstop1h 35m
Chicago Midway
Sat 1/10
8:40 am-10:20 am
Nonstop1h 40m
$171
NashvilleChicago
BNA - ORD
BNAORD
Nashville Intl
Sat 1/10
8:00 am-9:55 am
Nonstop1h 55m
Chicago O'Hare Intl
Sat 1/17
7:50 pm-9:42 pm
Nonstop1h 52m
$171
NashvilleChicago
BNA - MDW
BNAMDW
Nashville Intl
Wed 1/14
11:45 am-1:20 pm
Nonstop1h 35m
Chicago Midway
Sat 1/17
8:40 am-10:20 am
Nonstop1h 40m
$171
NashvilleChicago
BNA - ORD
BNAORD
Nashville Intl
Thu 1/8
8:00 am-9:55 am
Nonstop1h 55m
Chicago O'Hare Intl
Sat 1/10
5:52 pm-7:33 pm
Nonstop1h 41m
$171
NashvilleChicago
BNA - MDW
BNAMDW
Nashville Intl
Wed 1/14
11:45 am-1:20 pm
Nonstop1h 35m
Chicago Midway
Mon 1/26
6:00 am-7:35 am
Nonstop1h 35m
$171
Showing 1-10 of 60 results
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, February is the cheapest month in which you can book a flight from Nashville to Illinois (average of $37). Flying from Nashville to Illinois in December is currently the most expensive (average of $91). 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 December 14, 2025.
Unlike in the evening, when flights are generally more expensive, you can save up to 34% on flights from Nashville to Illinois by exploring options for tickets at noon.
What is the cheapest day to fly from Nashville to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Nashville to Illinois. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Nashville to Illinois flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 December 14, 2025.
The most flights from BNA to USIL are scheduled on a Sunday (57 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).
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 December 14, 2025.
Read reviews from past customers who have flown Southwest, United Airlines, and American Airlines from Nashville to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Overall
7.9
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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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.
Top 7 airlines flying from Nashville to Illinois
Discover the top 7 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 December 14, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$37 | Average$118 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$43 | Average$82 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$58 | Average$80 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$97 | Average$240 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$109 | Average$318 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$111 | Average$263 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$176 | Average$514 | FlexibilityNo cancel fee | On-timeN/A |