$50+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BNA
Sep 3 — Sep 101
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Illinois to TennesseeExplore 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 August 4, 2026.
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 August 4, 2026.
This Southwest deal was found by Cheapflights users on 7/30. 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.
Thu 8/278:00 am -
Nonstop1h 10m
Thu 9/36:45 am -
Nonstop1h 10m
Deal found 7/30![Southwest logo]()
$117
This CheapOair deal was found by Cheapflights users on 7/30. 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.
Mon 10/198:34 pm -
1 stop13h 38m
Thu 10/2211:10 am -
1 stop8h 29m
Deal found 7/30![Frontier logo]()
$128
This Southwest deal was found by Cheapflights users on 8/4. 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.
Thu 9/35:40 pm -
Nonstop1h 10m
Sun 9/68:10 am -
Nonstop1h 15m
Deal found 8/4![Southwest logo]()
$134
This Southwest deal was found by Cheapflights users on 8/1. 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 8/2911:25 am -
1 stop5h 05m
Sat 9/57:00 am -
Nonstop1h 15m
Deal found 8/1![Southwest logo]()
$143
This Expedia deal was found by Cheapflights users on 7/30. 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.
Sun 9/132:00 pm -
1 stop4h 03m
Thu 9/1710:52 am -
1 stop5h 32m
Deal found 7/30![Multiple Airlines logo]()
$148
This Southwest deal was found by Cheapflights users on 8/3. 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.
Thu 9/35:40 pm -
Nonstop1h 10m
Thu 9/109:05 am -
Nonstop1h 10m
Deal found 8/3![Southwest logo]()
$151
This CheapOair deal was found by Cheapflights users on 8/3. 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.
Sat 8/296:45 pm -
1 stop19h 01m
Mon 8/312:41 pm -
1 stop27h 09m
Deal found 8/3![Frontier logo]()
$152
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 9/512:42 pm -
Nonstop2h 04m
Thu 9/109:47 am -
Nonstop2h 12m
Deal found 7/30![United Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 7/30. 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.
Thu 8/208:45 pm -
Nonstop1h 40m
Mon 8/245:15 am -
Nonstop1h 35m
Deal found 7/30![Southwest logo]()
$157
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 8/208:05 am -
Nonstop1h 51m
Mon 8/243:59 pm -
Nonstop2h 11m
Deal found 7/30![American Airlines logo]()
$158
This Mytrip deal was found by Cheapflights users on 8/1. 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 8/132:49 pm -
Nonstop1h 30m
Sun 8/161:23 pm -
Nonstop1h 36m
Deal found 8/1![Allegiant Air logo]()
$164
This Southwest deal was found by Cheapflights users on 8/3. 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 9/56:15 pm -
Nonstop1h 40m
Sun 9/64:40 pm -
1 stop4h 40m
Deal found 8/3![Southwest logo]()
$167
Best flights from Illinois to TennesseeDiscover carefully curated flight deals from Illinois to Tennessee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
Discover carefully curated flight deals from Illinois to Tennessee that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
This Southwest deal was found by Cheapflights users on 7/30. 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 10/191:05 pm -
Nonstop1h 10m
Thu 10/226:40 pm -
Nonstop1h 15m
Deal found 7/30![Southwest logo]()
$117
This KAYAK deal was found by Cheapflights users on 8/4. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/172:00 pm -
1 stop4h 03m
Thu 8/209:30 am -
1 stop3h 51m
Deal found 8/4![Southern / Mokulele logo]()
$172
This Delta deal was found by Cheapflights users on 7/30. 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 8/208:05 am -
1 stop4h 38m
Mon 8/247:26 pm -
1 stop4h 31m
Deal found 7/30![Delta logo]()
$177
This United Airlines deal was found by Cheapflights users on 7/30. 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 10/79:25 pm -
Nonstop1h 49m
Mon 10/126:00 am -
Nonstop2h 00m
Deal found 7/30![United Airlines logo]()
$217
This JetBlue deal was found by Cheapflights users on 7/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:00 am -
1 stop7h 28m
Sun 9/202:25 pm -
1 stop8h 43m
Deal found 7/30![JetBlue logo]()
$253
This Southwest deal was found by Cheapflights users on 8/4. 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.
Thu 9/35:40 pm -
Nonstop1h 10m
Sun 9/68:10 am -
Nonstop1h 15m
Deal found 8/4![Southwest logo]()
$134
This Contour deal was found by Cheapflights users on 7/30. 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:30 pm -
1 stop3h 40m
Mon 8/178:00 am -
1 stop3h 40m
Deal found 7/30![Contour logo]()
$285
This American Airlines deal was found by Cheapflights users on 8/4. 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.
Sat 10/105:30 pm -
1 stop6h 56m
Mon 10/127:14 pm -
1 stop4h 42m
Deal found 8/4![American Airlines logo]()
$334
This Southern / Mokulele deal was found by Cheapflights users on 8/4. 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.
Fri 8/142:00 pm -
1 stop4h 03m
Mon 8/179:30 am -
1 stop3h 51m
Deal found 8/4![Southern / Mokulele logo]()
$172
This Southwest deal was found by Cheapflights users on 8/1. 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 8/2911:25 am -
1 stop5h 05m
Sat 9/510:05 am -
2 stops6h 35m
Deal found 8/1![Southwest logo]()
$158
This Delta deal was found by Cheapflights users on 8/2. 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.
Sat 9/510:50 am -
1 stop6h 02m
Sun 9/66:30 am -
1 stop7h 06m
Deal found 8/2![Delta logo]()
$177
This KAYAK deal was found by Cheapflights users on 7/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:00 pm -
1 stop4h 03m
Thu 8/139:30 am -
1 stop3h 51m
Deal found 7/30![Southern / Mokulele logo]()
$172
This Delta deal was found by Cheapflights users on 7/30. 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 9/36:40 am -
1 stop6h 03m
Mon 9/76:00 pm -
1 stop5h 57m
Deal found 7/30![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 8/1. 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 9/56:15 pm -
Nonstop1h 40m
Sun 9/65:10 pm -
1 stop5h 35m
Deal found 8/1![Southwest logo]()
$167
This Southwest deal was found by Cheapflights users on 8/3. 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 8/299:00 am -
2 stops5h 35m
Mon 8/313:20 pm -
1 stop4h 40m
Deal found 8/3![Southwest logo]()
$176
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Sat 8/222:05 pm -
Nonstop1h 52m
Mon 8/2411:18 am -
Nonstop2h 02m
Deal found 8/1![United Airlines logo]()
$235
This Southwest deal was found by Cheapflights users on 8/2. 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 9/26:30 am -
2 stops5h 40m
Tue 9/89:15 am -
1 stop5h 55m
Deal found 8/2![Southwest logo]()
$176
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Sat 10/108:40 am -
Nonstop1h 50m
Mon 10/126:00 am -
Nonstop2h 00m
Deal found 8/1![United Airlines logo]()
$235
This Delta deal was found by Cheapflights users on 8/4. 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.
Sat 9/510:50 am -
1 stop6h 02m
Wed 9/99:30 am -
1 stop7h 07m
Deal found 8/4![Delta logo]()
$226
This Southwest deal was found by Cheapflights users on 7/30. 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.
Thu 8/208:00 am -
Nonstop1h 10m
Fri 8/288:50 pm -
Nonstop1h 15m
Deal found 7/30![Southwest logo]()
$176
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 9/56:06 pm -
Nonstop1h 47m
Mon 9/77:00 am -
Nonstop1h 56m
Deal found 7/31![United Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 8/1. 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.
Sat 9/59:24 am -
1 stop4h 02m
Sun 9/69:37 am -
1 stop6h 07m
Deal found 8/1![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 7/30. 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.
Thu 8/207:25 am -
2 stops7h 20m
Mon 8/242:55 pm -
2 stops7h 00m
Deal found 7/30![Southwest logo]()
$187
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 9/36:06 pm -
Nonstop1h 47m
Sun 9/67:00 am -
Nonstop1h 56m
Deal found 7/30![United Airlines logo]()
$259
This American Airlines deal was found by Cheapflights users on 8/4. 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.
Thu 10/14:43 pm -
1 stop5h 46m
Sun 10/47:16 pm -
1 stop4h 38m
Deal found 8/4![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 8/2. 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 9/85:10 pm -
1 stop5h 08m
Thu 9/102:29 pm -
1 stop6h 01m
Deal found 8/2![Delta logo]()
$255
This Southwest deal was found by Cheapflights users on 8/4. 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.
Fri 9/45:40 pm -
Nonstop1h 10m
Mon 9/76:45 am -
Nonstop1h 10m
Deal found 8/4![Southwest logo]()
$193
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/210:30 am -
Nonstop1h 46m
Wed 9/910:44 am -
Nonstop2h 14m
Deal found 8/3![United Airlines logo]()
$259
This Delta deal was found by Cheapflights users on 8/1. 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 1/65:30 am -
1 stop6h 51m
Sat 1/92:27 pm -
1 stop6h 10m
Deal found 8/1![Delta logo]()
$255
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 9/109:20 pm -
Nonstop1h 50m
Sun 9/136:00 am -
Nonstop2h 04m
Deal found 7/31![United Airlines logo]()
$259
Last-minute flights from Illinois to TennesseeDiscover last-minute flight deals from Illinois to Tennessee. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Tennessee. Data last updated August 4, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 8/1. 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 8/132:49 pm -
Nonstop1h 30m
Sun 8/161:23 pm -
Nonstop1h 36m
Deal found 8/1![Allegiant Air logo]()
$164
This Southwest deal was found by Cheapflights users on 7/30. 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.
Thu 8/208:45 pm -
Nonstop1h 40m
Mon 8/245:15 am -
Nonstop1h 35m
Deal found 7/30![Southwest logo]()
$157
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 8/208:05 am -
Nonstop1h 51m
Mon 8/243:59 pm -
Nonstop2h 11m
Deal found 7/30![American Airlines logo]()
$158
This Southwest deal was found by Cheapflights users on 7/30. 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.
Thu 8/278:00 am -
Nonstop1h 10m
Thu 9/36:45 am -
Nonstop1h 10m
Deal found 7/30![Southwest logo]()
$117
This Southwest deal was found by Cheapflights users on 8/1. 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 8/2911:25 am -
1 stop5h 05m
Sat 9/57:00 am -
Nonstop1h 15m
Deal found 8/1![Southwest logo]()
$143
This CheapOair deal was found by Cheapflights users on 8/3. 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.
Sat 8/296:45 pm -
1 stop19h 01m
Mon 8/312:41 pm -
1 stop27h 09m
Deal found 8/3![Frontier logo]()
$152
This Southwest deal was found by Cheapflights users on 8/4. 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.
Thu 9/35:40 pm -
Nonstop1h 10m
Sun 9/68:10 am -
Nonstop1h 15m
Deal found 8/4![Southwest logo]()
$134
This Southwest deal was found by Cheapflights users on 8/3. 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.
Thu 9/35:40 pm -
Nonstop1h 10m
Thu 9/109:05 am -
Nonstop1h 10m
Deal found 8/3![Southwest logo]()
$151
This CheapOair deal was found by Cheapflights users on 7/31. 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.
Fri 9/44:23 pm -
1 stop23h 42m
Mon 9/72:41 pm -
1 stop27h 09m
Deal found 7/31![Frontier logo]()
$156
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 9/512:42 pm -
Nonstop2h 04m
Thu 9/109:47 am -
Nonstop2h 12m
Deal found 7/30![United Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 7/31. 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 9/56:15 pm -
Nonstop1h 40m
Sun 9/66:15 pm -
1 stop4h 40m
Deal found 7/31![Southwest logo]()
$167
This Expedia deal was found by Cheapflights users on 7/30. 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.
Sun 9/132:00 pm -
1 stop4h 03m
Thu 9/1710:52 am -
1 stop5h 32m
Deal found 7/30![Multiple Airlines logo]()
$148
One-way flights from Illinois to TennesseeSearch for one-way flight options from Illinois to Tennessee. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
Search for one-way flight options from Illinois to Tennessee. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This CheapOair deal was found by Cheapflights users on 8/3. 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.
Mon 10/191:26 pm -
Nonstop1h 25m
Deal found 8/3![Allegiant Air logo]()
$50
This Super.com deal was found by Cheapflights users on 7/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/132:49 pm -
Nonstop1h 30m
Deal found 7/30![Allegiant Air logo]()
$56
This Southwest deal was found by Cheapflights users on 7/31. 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.
Fri 10/301:05 pm -
Nonstop1h 10m
Deal found 7/31![Southwest logo]()
$59
This Delta deal was found by Cheapflights users on 7/30. 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 8/2711:00 am -
1 stop3h 48m
Deal found 7/30![Delta logo]()
$74
This Southwest deal was found by Cheapflights users on 7/31. 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 9/302:45 pm -
Nonstop1h 10m
Deal found 7/31![Southwest logo]()
$76
This Booking.com deal was found by Cheapflights users on 8/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/295:02 pm -
1 stop17h 15m
Deal found 8/1![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 9/307:11 am -
1 stop24h 08m
Deal found 7/30![Multiple Airlines logo]()
$77
This Delta deal was found by Cheapflights users on 8/2. 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 10/302:25 pm -
1 stop3h 56m
Deal found 8/2![Delta logo]()
$79
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 8/295:28 pm -
Nonstop1h 57m
Deal found 7/30![American Airlines logo]()
$79
This Southwest deal was found by Cheapflights users on 8/1. 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.
Sun 9/611:00 am -
Nonstop1h 35m
Deal found 8/1![Southwest logo]()
$79
This Trip.com deal was found by Cheapflights users on 8/4. 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.
Mon 8/172:00 pm -
1 stop4h 03m
Deal found 8/4![Southern / Mokulele logo]()
$80
This Delta deal was found by Cheapflights users on 8/4. 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.
Mon 8/315:23 pm -
1 stop5h 40m
Deal found 8/4![Delta logo]()
$81
Find flight deals from Illinois to Tennessee
Keep the following information in mind while searching for Illinois to Tennessee flight deals. Data was last updated August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $117 (Southwest) |
One-way from | $50 (CheapOair) |
Popular in | June |
Cheapest in | December |
Average price | $244 |
Good round-trip deal | $97 or less |
Good one-way deal | $45 or less |
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 August 4, 2026.
Use the filters below to find and compare flights from Illinois to Tennessee that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Mon 10/19
1:05 pm-2:15 pm
Nonstop1h 10m
Nashville Intl
Thu 10/22
6:40 pm-7:55 pm
Nonstop1h 15m
$117
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Thu 9/3
5:40 pm-6:50 pm
Nonstop1h 10m
Nashville Intl
Sun 9/6
8:10 am-9:25 am
Nonstop1h 15m
$134
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Sat 8/29
11:25 am-4:30 pm
1 stop5h 05m
Nashville Intl
Sat 9/5
10:05 am-4:40 pm
2 stops6h 35m
$158
ChicagoMemphis
MDW - MEM
MDWMEM
Chicago Midway
Sat 9/5
6:15 pm-7:55 pm
Nonstop1h 40m
Memphis
Sun 9/6
5:10 pm-10:45 pm
1 stop5h 35m
$167
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Mon 8/17
2:00 pm-6:03 pm
1 stop4h 03m
Nashville Intl
Thu 8/20
9:30 am-1:21 pm
1 stop3h 51m
$172
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Fri 8/14
2:00 pm-6:03 pm
1 stop4h 03m
Nashville Intl
Mon 8/17
9:30 am-1:21 pm
1 stop3h 51m
$172
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Mon 8/10
2:00 pm-6:03 pm
1 stop4h 03m
Nashville Intl
Thu 8/13
9:30 am-1:21 pm
1 stop3h 51m
$172
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Sat 8/29
9:00 am-2:35 pm
2 stops5h 35m
Nashville Intl
Mon 8/31
3:20 pm-8:00 pm
1 stop4h 40m
$176
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Wed 9/2
6:30 am-12:10 pm
2 stops5h 40m
Nashville Intl
Tue 9/8
9:15 am-3:10 pm
1 stop5h 55m
$176
St. LouisNashville
STL - BNA
STLBNA
Lambert-St Louis
Thu 8/20
8:00 am-9:10 am
Nonstop1h 10m
Nashville Intl
Fri 8/28
8:50 pm-10:05 pm
Nonstop1h 15m
$176
Showing 1-10 of 60 resultsSorted by cheapest first
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.
STL-BNA
ORD-MEM
ORD-BNA
PIA-BNA
MDW-MEM
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
USIL-USTN
STL-BNA
ORD-MEM
ORD-BNA
PIA-BNA
What is the cheapest month to book a flight from Illinois to Tennessee?
Currently, October is the cheapest month in which you can book a flight from Illinois to Tennessee (average of $228). Flying from Illinois to Tennessee in February is currently the most expensive (average of $341). 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 August 4, 2026.
When flying from Illinois to Tennessee, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 12% versus a flight at noon.
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 August 4, 2026.
The most flights from USIL to USTN are scheduled on a Monday (56 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).
How much does it cost to fly round-trip from Illinois to Tennessee?
Airfare is typical for this route at the moment.
Illinois to Tennessee flights typically cost between $172 and $336 in September.The cheapest round-trip price found within the last 5 days was $199 on Frontier (Sep 25-Sep 28).
How far ahead should I book a flight from Illinois to Tennessee?
To ensure you get the cheapest price possible for a flight from Illinois to Tennessee, you should look to book at least 44 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Illinois to Tennessee?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Tennessee. Price data was last updated on October 19, 2025.
Travelers seeking maximum savings on their Illinois to Tennessee flight should consider departing on Tuesday at noon when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 August 4, 2026.
See what other customers who have flown with Southwest,United Airlines, andAllegiant Air from Illinois to Tennessee have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Crew
8.6
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Crew
8.6
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Crew
8.6
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Crew
8.6
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
Crew
8.6
Comfort
8.0
Overall
8.0
Food
7.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJohn,May 2025
PVD - BNA
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.
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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.
Complete your trip
Complete your trip to Tennessee by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Tennessee by cabin class
Find flights from Illinois to Tennessee, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Tennessee flights
Browse other Illinois and Tennessee flight options. Last updated on August 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Tennessee
Find the right flight back to Illinois after your stay in Tennessee
Illinois to Tennessee flights
Consider these flights traveling from Illinois to Tennessee.
Top 8 airlines flying from Illinois to Tennessee
Discover the top 8 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 August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$45 | Average$103 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$80 | Average$129 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$114 | Average$223 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$124 | Average$203 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$134 | Average$333 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$134 | Average$398 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$147 | Average$354 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$248 | Average$377 | FlexibilityNo cancel fee | On-timeN/A |