$62+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ORD
Sep 3 — Sep 101
Round-trip
1 adult, Economy
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Find cheap flights from Tennessee to Illinois with Cheapflights
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Cheapest flights from Tennessee to IllinoisExplore 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 August 4, 2026.
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 August 4, 2026.
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:47 am -
Nonstop2h 12m
Fri 9/119:29 pm -
Nonstop1h 57m
Deal found 8/4![United Airlines logo]()
$157
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.
Sat 9/55:10 am -
Nonstop1h 35m
Sun 9/611:00 am -
Nonstop1h 35m
Deal found 8/4![Southwest logo]()
$157
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 9/53:48 pm -
Nonstop2h 11m
Sun 9/68:05 am -
Nonstop1h 51m
Deal found 8/4![American Airlines logo]()
$158
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.
Sat 9/512:40 pm -
Nonstop1h 35m
Fri 9/115:55 am -
1 stop3h 05m
Deal found 8/4![Southwest logo]()
$167
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:35 pm -
1 stop7h 48m
Thu 10/811:06 am -
1 stop7h 52m
Deal found 7/30![Frontier logo]()
$174
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 9/511:45 am -
1 stop7h 14m
Sun 9/65:30 am -
1 stop7h 13m
Deal found 8/4![Delta logo]()
$177
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.
Sat 9/511:45 am -
1 stop3h 59m
Wed 9/911:35 am -
1 stop5h 29m
Deal found 7/30![Delta logo]()
$177
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/272:50 pm -
1 stop22h 30m
Sat 8/295:59 pm -
1 stop19h 46m
Deal found 8/4![Frontier logo]()
$186
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 8/2712:20 pm -
2 stops6h 35m
Thu 9/33:10 pm -
2 stops6h 50m
Deal found 7/30![Southwest logo]()
$187
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 9/2310:54 am -
1 stop28h 51m
Tue 9/297:11 am -
1 stop25h 54m
Deal found 7/30![Multiple Airlines logo]()
$194
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:50 pm -
1 stop8h 18m
Thu 9/1011:15 am -
1 stop8h 10m
Deal found 7/30![Frontier logo]()
$195
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:49 pm -
Nonstop1h 37m
Sun 11/1510:42 am -
1 stop29h 20m
Deal found 8/2![Allegiant Air logo]()
$196
Best flights from Tennessee to IllinoisDiscover carefully curated flight deals from Tennessee to Illinois 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 Tennessee to Illinois 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 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.
Sat 9/512:40 pm -
Nonstop1h 35m
Fri 9/118:45 pm -
Nonstop1h 45m
Deal found 8/4![Southwest logo]()
$157
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 8/206:30 am -
1 stop4h 12m
Tue 8/2510:33 am -
1 stop6h 22m
Deal found 7/30![Delta logo]()
$177
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:00 am -
1 stop8h 23m
Sun 8/303:59 pm -
Nonstop1h 25m
Deal found 8/3![Allegiant Air logo]()
$216
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.
Tue 9/16:33 pm -
Nonstop2h 00m
Thu 9/310:45 am -
Nonstop1h 50m
Deal found 7/30![United Airlines logo]()
$217
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.
Thu 10/1510:52 am -
Nonstop1h 30m
Sun 10/189:33 pm -
1 stop16h 24m
Deal found 7/30![Multiple Airlines logo]()
$229
This Contour 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 Contour is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:00 am -
1 stop3h 40m
Sun 8/3012:30 pm -
1 stop3h 40m
Deal found 8/2![Contour logo]()
$247
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:31 am -
Nonstop2h 16m
Sat 9/129:05 pm -
Nonstop1h 51m
Deal found 7/31![American Airlines logo]()
$259
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 9/512:40 pm -
Nonstop1h 35m
Sun 9/67:35 am -
2 stops7h 25m
Deal found 8/1![Southwest 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.
Wed 9/166:10 pm -
1 stop5h 49m
Sat 9/196:40 am -
1 stop4h 07m
Deal found 7/30![Delta logo]()
$177
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 9/512:12 pm -
1 stop4h 05m
Fri 9/116:40 am -
1 stop5h 52m
Deal found 8/4![Delta logo]()
$177
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:00 pm -
Nonstop2h 00m
Mon 9/76:14 pm -
Nonstop1h 52m
Deal found 8/2![United Airlines logo]()
$226
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 10/304:10 pm -
Nonstop1h 40m
Mon 11/29:35 pm -
Nonstop1h 45m
Deal found 7/31![Southwest logo]()
$206
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:34 pm -
Nonstop1h 29m
Sun 9/279:29 pm -
1 stop15h 35m
Deal found 8/3![Multiple Airlines logo]()
$234
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/411:36 am -
Nonstop1h 30m
Thu 10/81:12 pm -
Nonstop1h 28m
Deal found 7/31![Allegiant Air logo]()
$238
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 10/157:34 am -
Nonstop1h 58m
Mon 10/199:25 pm -
Nonstop1h 49m
Deal found 7/31![United Airlines logo]()
$235
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 9/37:40 am -
Nonstop2h 15m
Sat 9/58:59 pm -
Nonstop1h 50m
Deal found 7/30![American Airlines logo]()
$259
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.
Thu 10/810:52 am -
Nonstop1h 30m
Sun 10/116:37 pm -
1 stop21h 48m
Deal found 7/30![Allegiant Air logo]()
$239
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:37 pm -
Nonstop1h 32m
Sun 8/239:35 pm -
3 stops36h 42m
Deal found 8/1![Multiple Airlines logo]()
$240
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.
Mon 8/316:00 pm -
1 stop5h 57m
Sun 9/65:30 am -
1 stop5h 09m
Deal found 8/2![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 8/2011:10 am -
1 stop3h 20m
Mon 8/245:30 pm -
Nonstop1h 30m
Deal found 7/30![Southwest logo]()
$227
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am -
Nonstop1h 58m
Mon 8/316:59 am -
Nonstop1h 50m
Deal found 8/2![United Airlines logo]()
$235
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:31 am -
Nonstop2h 16m
Sat 9/129:05 pm -
Nonstop1h 51m
Deal found 7/31![American Airlines logo]()
$259
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.
Thu 9/105:40 pm -
1 stop15h 12m
Sun 9/1310:41 am -
1 stop23h 49m
Deal found 7/30![Multiple Airlines logo]()
$241
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:00 am -
Nonstop1h 31m
Thu 8/1311:37 am -
1 stop8h 00m
Deal found 7/31![Allegiant Air logo]()
$246
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.
Wed 8/263:25 pm -
Nonstop1h 35m
Fri 8/288:45 pm -
Nonstop1h 40m
Deal found 7/30![Southwest logo]()
$233
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:31 am -
Nonstop2h 16m
Sun 9/139:05 pm -
Nonstop1h 51m
Deal found 7/31![American Airlines logo]()
$259
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 8/205:14 am -
1 stop4h 45m
Sat 8/224:39 pm -
1 stop6h 24m
Deal found 7/30![Delta logo]()
$237
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:37 pm -
Nonstop1h 32m
Sun 8/309:35 pm -
2 stops14h 35m
Deal found 8/3![Multiple Airlines logo]()
$251
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.
Fri 8/217:30 am -
Nonstop1h 58m
Mon 8/246:59 am -
Nonstop1h 50m
Deal found 7/30![United Airlines logo]()
$254
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:40 am -
Nonstop2h 15m
Thu 9/109:05 pm -
Nonstop1h 51m
Deal found 8/1![American Airlines logo]()
$259
Last-minute flights from Tennessee to IllinoisDiscover last-minute flight deals from Tennessee to Illinois. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Tennessee to Illinois. Data last updated August 4, 2026 and is based on user searches.
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/91:23 pm -
Nonstop1h 36m
Sun 8/162:49 pm -
Nonstop1h 30m
Deal found 7/30![Allegiant Air logo]()
$204
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/91:23 pm -
Nonstop1h 36m
Thu 8/132:49 pm -
Nonstop1h 30m
Deal found 8/1![Allegiant Air logo]()
$206
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 8/2712:20 pm -
2 stops6h 35m
Thu 9/33:10 pm -
2 stops6h 50m
Deal found 7/30![Southwest logo]()
$187
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2910:28 am -
Nonstop2h 02m
Sat 9/58:03 am -
Nonstop1h 51m
Deal found 7/31![American Airlines logo]()
$206
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.
Tue 9/13:25 pm -
Nonstop1h 35m
Sat 9/56:15 pm -
Nonstop1h 40m
Deal found 8/3![Southwest logo]()
$206
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 9/23:46 pm -
1 stop22h 04m
Wed 9/237:11 am -
1 stop25h 53m
Deal found 7/30![Multiple Airlines logo]()
$207
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:50 pm -
1 stop8h 18m
Thu 9/1011:15 am -
1 stop8h 10m
Deal found 7/30![Frontier logo]()
$195
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 9/37:15 am -
Nonstop2h 06m
Thu 9/39:20 pm -
Nonstop1h 58m
Deal found 7/30![United Airlines logo]()
$199
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.
Sat 9/512:40 pm -
Nonstop1h 35m
Fri 9/118:45 pm -
Nonstop1h 45m
Deal found 8/4![Southwest logo]()
$157
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.
Sat 9/512:12 pm -
1 stop4h 05m
Thu 9/108:05 am -
1 stop4h 27m
Deal found 7/30![Delta logo]()
$177
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 9/512:12 pm -
1 stop4h 47m
Sun 9/66:05 am -
1 stop4h 34m
Deal found 8/4![Delta logo]()
$177
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 9/2310:54 am -
1 stop28h 51m
Tue 9/297:11 am -
1 stop25h 54m
Deal found 7/30![Multiple Airlines logo]()
$194
One-way flights from Tennessee to IllinoisSearch for one-way flight options from Tennessee to Illinois. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
Search for one-way flight options from Tennessee to Illinois. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:04 pm -
Nonstop1h 32m
Deal found 8/3![Allegiant Air logo]()
$62
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:01 pm -
Nonstop1h 39m
Deal found 8/3![Allegiant Air logo]()
$63
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 9/59:47 am -
Nonstop2h 12m
Deal found 7/31![United Airlines logo]()
$79
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.
Sat 8/295:10 am -
Nonstop1h 35m
Deal found 7/30![Southwest logo]()
$79
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:35 pm -
1 stop7h 48m
Deal found 7/31![Frontier logo]()
$88
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:12 pm -
1 stop4h 05m
Deal found 7/31![Delta logo]()
$89
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 10/306:10 am -
1 stop7h 40m
Deal found 7/31![Southwest logo]()
$89
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:59 am -
1 stop7h 25m
Deal found 8/1![Multiple Airlines logo]()
$90
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.
Thu 8/272:50 pm -
1 stop22h 30m
Deal found 7/31![Frontier logo]()
$99
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:54 am -
1 stop28h 51m
Deal found 7/31![Multiple Airlines logo]()
$101
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:04 am -
1 stop30h 41m
Deal found 7/31![Multiple Airlines logo]()
$107
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 8/131:23 pm -
Nonstop1h 36m
Deal found 7/30![Allegiant Air logo]()
$110
Find flight deals from Tennessee to Illinois
Keep the following information in mind while searching for Tennessee to Illinois flight deals. Data was last updated August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $157 (Southwest) |
One-way from | $62 (Kiwi.com) |
Popular in | January |
Cheapest in | September |
Average price | $183 |
Good round-trip deal | $78 or less |
Good one-way deal | $52 or less |
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 August 4, 2026.
Use the filters below to find and compare flights from Tennessee to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MemphisChicago
MEM - MDW
MEMMDW
Memphis
Sat 9/5
12:40 pm-2:15 pm
Nonstop1h 35m
Chicago Midway
Fri 9/11
8:45 pm-10:30 pm
Nonstop1h 45m
$157
MemphisChicago
MEM - MDW
MEMMDW
Memphis
Sat 9/5
12:40 pm-2:15 pm
Nonstop1h 35m
Chicago Midway
Sun 9/6
7:35 am-3:00 pm
2 stops7h 25m
$172
MemphisChicago
MEM - ORD
MEMORD
Memphis
Thu 8/20
6:30 am-10:42 am
1 stop4h 12m
Chicago O'Hare Intl
Tue 8/25
10:33 am-4:55 pm
1 stop6h 22m
$177
MemphisChicago
MEM - ORD
MEMORD
Memphis
Wed 9/16
6:10 pm-11:59 pm
1 stop5h 49m
Chicago O'Hare Intl
Sat 9/19
6:40 am-10:47 am
1 stop4h 07m
$177
MemphisChicago
MEM - ORD
MEMORD
Memphis
Sat 9/5
12:12 pm-4:17 pm
1 stop4h 05m
Chicago O'Hare Intl
Fri 9/11
6:40 am-12:32 pm
1 stop5h 52m
$177
MemphisChicago
MEM - MDW
MEMMDW
Memphis
Fri 10/30
4:10 pm-5:50 pm
Nonstop1h 40m
Chicago Midway
Mon 11/2
9:35 pm-11:20 pm
Nonstop1h 45m
$206
NashvilleChicago
BNA - RFD
BNARFD
Nashville Intl
Fri 8/28
7:00 am-3:23 pm
1 stop8h 23m
Chicago Greater Rockford
Sun 8/30
3:59 pm-5:24 pm
Nonstop1h 25m
$216
NashvilleChicago
BNA - ORD
BNAORD
Nashville Intl
Tue 9/1
6:33 pm-8:33 pm
Nonstop2h 00m
Chicago O'Hare Intl
Thu 9/3
10:45 am-12:35 pm
Nonstop1h 50m
$217
NashvilleChicago
BNA - ORD
BNAORD
Nashville Intl
Sat 9/5
5:00 pm-7:00 pm
Nonstop2h 00m
Chicago O'Hare Intl
Mon 9/7
6:14 pm-8:06 pm
Nonstop1h 52m
$226
MemphisChicago
MEM - ORD
MEMORD
Memphis
Mon 8/31
6:00 pm-11:57 pm
1 stop5h 57m
Chicago O'Hare Intl
Sun 9/6
5:30 am-10:39 am
1 stop5h 09m
$226
Showing 1-10 of 60 resultsSorted by cheapest first
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.
MEM-MDW
MEM-ORD
BNA-RFD
BNA-ORD
TRI-ORD
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
USTN-USIL
MEM-MDW
MEM-ORD
BNA-RFD
BNA-ORD
What is the cheapest month to book a flight from Tennessee to Illinois?
Currently, October is the cheapest month in which you can book a flight from Tennessee to Illinois (average of $252). Flying from Tennessee to Illinois in July is currently the most expensive (average of $367). 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 August 4, 2026.
It’s optimal to fly from Tennessee to Illinois in the morning. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight at noon.
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 August 4, 2026.
The most flights from USTN to USIL are scheduled on a Monday (66 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).
How much does it cost to fly round-trip from Tennessee to Illinois?
Airfare is typical for this route at the moment.
Tennessee to Illinois flights typically cost between $119 and $281 in September.The cheapest round-trip price found within the last 5 days was $217 on United Airlines (Sep 5-Sep 6).
How far ahead should I book a flight from Tennessee to Illinois?
The price you pay for your flight from Tennessee to Illinois may vary depending on when you book. For the best chance of a lower fare, look to book 72 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Tennessee to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Tennessee to Illinois. Price data was last updated on August 1, 2026.
Travelers seeking maximum savings on their Tennessee to Illinois flight should consider departing on Wednesday evenings 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.
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 August 4, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Tennessee to Illinois to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
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.
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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.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Tennessee to Illinois by cabin class
Find flights from Tennessee to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Tennessee and Illinois flights
Browse other Tennessee and Illinois 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 Illinois
Find the right flight back to Tennessee after your stay in Illinois
Tennessee to Illinois flights
Consider these flights traveling from Tennessee to Illinois.
Top 8 airlines flying from Tennessee to Illinois
Discover the top 8 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 August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$126 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$61 | Average$109 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$97 | Average$331 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$121 | Average$321 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$138 | Average$336 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$157 | Average$232 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$189 | Average$227 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$208 | Average$356 | FlexibilityNo cancel fee | On-timeN/A |