$49+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ORD
fev 27 — mar 61
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 janeiro 28, 2026.
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 janeiro 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 2/278:50 am
BNA
- STL
1 stop15h 37m
Multiple Airlines
seg 3/23:49 pm
STL
- BNA
1 stop16h 40m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$142
This Trip.com deal was found by Cheapflights users on 1/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 2/52:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
sáb 2/79:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Deal found 1/26![Southern / Mokulele logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 2/266:15 am
BNA
- STL
1 stop17h 44m
Multiple Airlines
dom 3/110:11 pm
STL
- BNA
1 stop30h 57m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 2/278:50 am
BNA
- STL
1 stop15h 37m
Multiple Airlines
dom 3/110:11 pm
STL
- BNA
1 stop30h 57m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$160
This Mytrip deal was found by Cheapflights users on 1/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 3/122:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
qui 3/199:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Deal found 1/26![Southern / Mokulele logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 1/292:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
seg 2/29:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Deal found 1/26![Southern / Mokulele logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 3/172:35 pm
BNA
- STL
1 stop4h 06m
Southern / Mokulele
qui 3/199:50 am
STL
- BNA
1 stop4h 05m
Southern / Mokulele
Deal found 1/26![Southern / Mokulele logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
dom 2/82:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
sex 2/139:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Deal found 1/27![Southern / Mokulele logo]()
$171
This CheapOair deal was found by Cheapflights users on 1/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
seg 5/112:35 pm
BNA
- STL
1 stop4h 01m
Southern / Mokulele
sáb 5/169:50 am
STL
- BNA
1 stop3h 58m
Southern / Mokulele
Deal found 1/27![Southern / Mokulele logo]()
$173
This CheapOair deal was found by Cheapflights users on 1/25. 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.
qui 2/58:40 am
BNA
- ORD
1 stop12h 23m
Spirit Airlines
ter 2/1010:48 am
ORD
- BNA
1 stop6h 07m
Spirit Airlines
Deal found 1/25![Spirit Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
qua 3/46:15 am
BNA
- STL
1 stop16h 12m
Multiple Airlines
sex 3/61:09 pm
STL
- BNA
2 stops18h 16m
Multiple Airlines
Deal found 1/27![Multiple Airlines logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 2/138:52 pm
BNA
- ORD
1 stop22h 58m
Multiple Airlines
ter 2/174:43 pm
ORD
- BNA
1 stop14h 42m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$184
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 janeiro 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $142 (Kiwi.com) |
One-way from | $49 (Southwest) |
Popular in | December |
Cheapest in | September |
Average price | $232 |
Good round-trip deal | $230 or less |
Good one-way deal | $196 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 janeiro 28, 2026.
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
sex 2/27
8:50 am-12:27 am
1 stop15h 37m
Lambert-St Louis
seg 3/2
3:49 pm-8:29 am
1 stop16h 40m
$142
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
qui 2/26
6:15 am-11:59 pm
1 stop17h 44m
Lambert-St Louis
dom 3/1
10:11 pm-5:08 am
1 stop30h 57m
$159
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
sex 2/27
8:50 am-12:27 am
1 stop15h 37m
Lambert-St Louis
dom 3/1
10:11 pm-5:08 am
1 stop30h 57m
$160
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
qua 3/4
2:54 pm-10:27 pm
1 stop7h 33m
Lambert-St Louis
sex 3/6
9:50 am-1:48 pm
1 stop3h 58m
$167
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
sex 3/6
2:35 pm-6:36 pm
1 stop4h 01m
Lambert-St Louis
sáb 3/7
9:50 am-1:48 pm
1 stop3h 58m
$171
NashvilleChicago
BNA - ORD
BNAORD
Nashville Intl
sáb 3/14
11:00 am-12:50 pm
Nonstop1h 50m
Chicago O'Hare Intl
ter 3/17
4:15 pm-9:25 pm
1 stop5h 10m
$185
NashvilleChicago
BNA - RFD
BNARFD
Nashville Intl
qua 2/11
8:12 pm-8:37 am
1 stop12h 25m
Chicago Greater Rockford
dom 2/15
9:27 am-7:25 am
1 stop21h 58m
$189
NashvilleChicago
BNA - ORD
BNAORD
Nashville Intl
qui 4/23
7:25 am-9:17 am
Nonstop1h 52m
Chicago O'Hare Intl
sáb 4/25
6:10 pm-7:56 pm
Nonstop1h 46m
$191
NashvilleSt. Louis
BNA - STL
BNASTL
Nashville Intl
seg 2/23
7:50 am-2:10 pm
1 stop6h 20m
Lambert-St Louis
seg 2/23
5:00 pm-9:50 pm
1 stop4h 50m
$191
NashvilleChicago
BNA - ORD
BNAORD
Nashville Intl
sex 3/13
7:30 am-9:30 am
Nonstop2h 00m
Chicago O'Hare Intl
ter 3/17
2:12 pm-3:51 pm
Nonstop1h 39m
$191
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 $109). 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 janeiro 28, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 53% 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 January 24, 2026.
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 afternoons 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 janeiro 28, 2026.
The most flights from BNA to USIL are scheduled on a Wednesday (49 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 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 janeiro 28, 2026.
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
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
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 janeiro 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$37 | Average$114 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$38 | Average$83 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$58 | Average$80 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$97 | Average$319 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$97 | Average$257 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$110 | Average$263 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$176 | Average$514 | FlexibilityNo cancel fee | On-timeN/A |