$57+ Cheap flights from Tennessee to Illinois
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
BNA — ORD
Dec 7 — Dec 141
Round-trip
1 adult, Economy
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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 November 7, 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 November 7, 2026.
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/32:35 pm -
Nonstop2h 05m
Mon 12/77:45 pm -
Nonstop2h 03m
Deal found 11/5![United Airlines logo]()
$117
This Southwest deal was found by Cheapflights users on 11/5. 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 12/35:25 am -
Nonstop1h 40m
Mon 12/78:40 pm -
Nonstop1h 55m
Deal found 11/5![Southwest logo]()
$117
This Priceline deal was found by Cheapflights users on 11/5. 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 12/35:48 pm -
1 stop7h 11m
Mon 12/77:25 am -
1 stop10h 43m
Deal found 11/5![Frontier logo]()
$118
This Southwest deal was found by Cheapflights users on 11/3. 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 12/35:25 am -
Nonstop1h 40m
Thu 12/105:25 pm -
1 stop4h 25m
Deal found 11/3![Southwest logo]()
$127
This Southwest deal was found by Cheapflights users on 11/4. 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 12/175:00 am -
Nonstop1h 40m
Fri 12/188:50 am -
1 stop8h 45m
Deal found 11/4![Southwest logo]()
$133
This Southwest deal was found by Cheapflights users on 11/5. 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 12/106:10 pm -
1 stop5h 00m
Mon 12/143:00 pm -
1 stop5h 55m
Deal found 11/5![Southwest logo]()
$137
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/59:45 am -
Nonstop2h 08m
Sat 12/128:40 am -
Nonstop2h 08m
Deal found 11/6![United Airlines logo]()
$139
This Southwest deal was found by Cheapflights users on 11/6. 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 12/55:00 am -
Nonstop1h 40m
Sat 12/126:35 pm -
Nonstop1h 45m
Deal found 11/6![Southwest logo]()
$139
This Southwest deal was found by Cheapflights users on 11/5. 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 12/42:50 pm -
1 stop4h 15m
Fri 12/117:20 am -
1 stop8h 00m
Deal found 11/5![Southwest logo]()
$142
This CheapOair deal was found by Cheapflights users on 11/4. 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 12/35:48 pm -
1 stop15h 30m
Wed 12/95:24 pm -
1 stop23h 29m
Deal found 11/4![Frontier logo]()
$153
This American Airlines deal was found by Cheapflights users on 11/6. 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 12/105:40 pm -
Nonstop2h 14m
Tue 12/153:42 pm -
Nonstop2h 01m
Deal found 11/6![American Airlines logo]()
$154
This Southwest deal was found by Cheapflights users on 11/7. 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 12/96:25 am -
2 stops10h 40m
Sat 12/126:35 pm -
Nonstop1h 45m
Deal found 11/7![Southwest logo]()
$154
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 November 7, 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 November 7, 2026.
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/57:16 am -
Nonstop2h 00m
Sat 12/127:45 pm -
Nonstop2h 03m
Deal found 11/6![United Airlines logo]()
$139
This Delta deal was found by Cheapflights users on 11/4. 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 12/124:54 pm -
1 stop6h 00m
Sat 1/1610:47 am -
1 stop4h 12m
Deal found 11/4![Delta logo]()
$157
This Southwest deal was found by Cheapflights users on 11/6. 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 12/75:25 am -
Nonstop1h 40m
Mon 12/148:40 pm -
Nonstop1h 55m
Deal found 11/6![Southwest logo]()
$169
This Denver Air Connection deal was found by Cheapflights users on 11/4. 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 Denver Air Connection is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1911:30 am -
Nonstop1h 50m
Mon 1/44:45 pm -
Nonstop1h 50m
Deal found 11/4![Denver Air Connection logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Thu 11/1210:46 am -
Nonstop1h 32m
Fri 11/139:28 am -
1 stop23h 28m
Deal found 11/2![Multiple Airlines logo]()
$260
This Delta deal was found by Cheapflights users on 11/6. 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 12/512:23 pm -
1 stop3h 54m
Sat 12/128:00 am -
1 stop4h 37m
Deal found 11/6![Delta logo]()
$159
This Delta deal was found by Cheapflights users on 11/6. 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 12/1211:59 am -
1 stop5h 07m
Sat 1/167:00 am -
1 stop4h 34m
Deal found 11/6![Delta logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 11/6. 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 11/135:56 pm -
1 stop17h 58m
Sun 11/151:08 pm -
Nonstop1h 30m
Deal found 11/6![Allegiant Air logo]()
$360
This American Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 12/215:16 am -
Nonstop2h 13m
Fri 12/259:04 pm -
Nonstop1h 55m
Deal found 11/4![American Airlines logo]()
$382
This United Airlines deal was found by Cheapflights users on 11/2. 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.
Thu 12/37:16 am -
Nonstop2h 00m
Mon 12/77:45 pm -
Nonstop2h 03m
Deal found 11/2![United Airlines logo]()
$208
This Delta deal was found by Cheapflights users on 11/6. 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 12/141:42 pm -
1 stop5h 27m
Tue 12/151:34 pm -
1 stop7h 00m
Deal found 11/6![Delta logo]()
$174
This Southwest deal was found by Cheapflights users on 11/3. 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.
Wed 12/93:10 pm -
Nonstop1h 45m
Sun 12/139:35 pm -
Nonstop1h 50m
Deal found 11/3![Southwest logo]()
$238
This Denver Air Connection deal was found by Cheapflights users on 11/4. 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 Denver Air Connection is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2011:30 am -
Nonstop1h 50m
Sun 1/34:45 pm -
Nonstop1h 50m
Deal found 11/4![Denver Air Connection logo]()
$254
This Delta deal was found by Cheapflights users on 11/6. 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 1/1411:56 am -
1 stop4h 59m
Fri 1/151:59 pm -
1 stop7h 17m
Deal found 11/6![Delta logo]()
$199
This Denver Air Connection deal was found by Cheapflights users on 11/4. 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 Denver Air Connection is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1911:30 am -
Nonstop1h 50m
Sat 1/24:55 pm -
Nonstop1h 50m
Deal found 11/4![Denver Air Connection logo]()
$254
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Sun 12/67:30 am -
Nonstop1h 56m
Tue 12/812:28 pm -
Nonstop1h 55m
Deal found 11/3![United Airlines logo]()
$258
This Southwest deal was found by Cheapflights users on 11/2. 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.
Fri 12/114:15 pm -
2 stops8h 55m
Sat 12/126:05 am -
1 stop8h 05m
Deal found 11/2![Southwest logo]()
$263
This Denver Air Connection deal was found by Cheapflights users on 11/4. 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 Denver Air Connection is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:30 am -
Nonstop1h 50m
Mon 1/44:45 pm -
Nonstop1h 50m
Deal found 11/4![Denver Air Connection logo]()
$254
This Southwest deal was found by Cheapflights users on 11/5. 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 12/203:00 pm -
1 stop5h 45m
Wed 12/239:35 pm -
Nonstop1h 35m
Deal found 11/5![Southwest logo]()
$268
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Fri 11/277:00 am -
Nonstop2h 00m
Sun 11/299:44 pm -
Nonstop2h 00m
Deal found 11/3![United Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 11/6. 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.
Tue 12/111:30 am -
Nonstop1h 50m
Sun 12/610:29 pm -
1 stop12h 31m
Deal found 11/6![Multiple Airlines logo]()
$337
This FlightHub deal was found by Cheapflights users on 11/5. 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.
Tue 12/111:30 am -
Nonstop1h 50m
Thu 12/34:45 pm -
Nonstop1h 50m
Deal found 11/5![Denver Air Connection logo]()
$254
This Delta deal was found by Cheapflights users on 11/7. 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 12/510:44 am -
1 stop4h 09m
Sat 12/126:49 am -
1 stop4h 37m
Deal found 11/7![Delta logo]()
$239
This Southwest deal was found by Cheapflights users on 11/3. 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.
Sun 12/65:20 am -
Nonstop1h 35m
Wed 12/910:05 am -
1 stop5h 00m
Deal found 11/3![Southwest logo]()
$268
This Priceline deal was found by Cheapflights users on 11/5. 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.
Sat 12/511:30 am -
Nonstop1h 50m
Sat 12/122:45 pm -
Nonstop1h 50m
Deal found 11/5![Denver Air Connection logo]()
$254
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 12/36:00 am -
Nonstop2h 06m
Sun 12/62:10 pm -
Nonstop1h 50m
Deal found 11/3![United Airlines logo]()
$282
This Southwest deal was found by Cheapflights users on 11/5. 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 12/1110:35 pm -
Nonstop1h 35m
Sun 12/136:25 pm -
1 stop5h 30m
Deal found 11/5![Southwest logo]()
$268
This KAYAK deal was found by Cheapflights users on 11/5. 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 11/306:16 pm -
1 stop5h 43m
Tue 12/18:00 am -
Nonstop1h 51m
Deal found 11/5![American Airlines logo]()
$398
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Sat 12/511:30 am -
Nonstop1h 50m
Sat 12/1210:00 am -
2 stops25h 00m
Deal found 11/5![Multiple Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/166:00 am -
1 stop7h 01m
Fri 12/186:41 pm -
1 stop4h 08m
Deal found 11/6![Delta logo]()
$264
Last-minute flights from Tennessee to IllinoisDiscover last-minute flight deals from Tennessee to Illinois. Data last updated November 7, 2026 and is based on user searches.
Discover last-minute flight deals from Tennessee to Illinois. Data last updated November 7, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/32:35 pm -
Nonstop2h 05m
Mon 12/77:45 pm -
Nonstop2h 03m
Deal found 11/5![United Airlines logo]()
$117
This Southwest deal was found by Cheapflights users on 11/5. 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 12/35:25 am -
Nonstop1h 40m
Mon 12/78:40 pm -
Nonstop1h 55m
Deal found 11/5![Southwest logo]()
$117
This Priceline deal was found by Cheapflights users on 11/5. 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 12/35:48 pm -
1 stop7h 11m
Mon 12/77:25 am -
1 stop10h 43m
Deal found 11/5![Frontier logo]()
$118
This Frontier deal was found by Cheapflights users on 11/3. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/35:48 pm -
1 stop7h 11m
Thu 12/105:35 am -
1 stop11h 18m
Deal found 11/3![Frontier logo]()
$143
This CheapOair deal was found by Cheapflights users on 11/4. 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 12/35:48 pm -
1 stop15h 30m
Wed 12/95:24 pm -
1 stop23h 29m
Deal found 11/4![Frontier logo]()
$153
This Southwest deal was found by Cheapflights users on 11/5. 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 12/42:50 pm -
1 stop4h 15m
Fri 12/117:20 am -
1 stop8h 00m
Deal found 11/5![Southwest logo]()
$142
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/59:45 am -
Nonstop2h 08m
Sat 12/128:40 am -
Nonstop2h 08m
Deal found 11/6![United Airlines logo]()
$139
This Southwest deal was found by Cheapflights users on 11/6. 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 12/55:00 am -
Nonstop1h 40m
Sat 12/126:35 pm -
Nonstop1h 45m
Deal found 11/6![Southwest logo]()
$139
This Southwest deal was found by Cheapflights users on 11/7. 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 12/96:25 am -
2 stops10h 40m
Sat 12/126:35 pm -
Nonstop1h 45m
Deal found 11/7![Southwest logo]()
$154
This Southwest deal was found by Cheapflights users on 11/5. 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 12/106:10 pm -
1 stop5h 00m
Mon 12/143:00 pm -
1 stop5h 55m
Deal found 11/5![Southwest logo]()
$137
This American Airlines deal was found by Cheapflights users on 11/6. 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 12/105:40 pm -
Nonstop2h 14m
Tue 12/153:42 pm -
Nonstop2h 01m
Deal found 11/6![American Airlines logo]()
$154
This Southwest deal was found by Cheapflights users on 11/4. 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 12/175:00 am -
Nonstop1h 40m
Fri 12/188:50 am -
1 stop8h 45m
Deal found 11/4![Southwest logo]()
$133
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 November 7, 2026.
Search for one-way flight options from Tennessee to Illinois. Find affordable one-way fares based on user searches. Data last updated November 7, 2026.
This Jetabroad deal was found by Cheapflights users on 11/4. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:01 pm -
Nonstop1h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Allegiant Air logo]()
$57
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Fri 11/277:00 am -
Nonstop2h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![United Airlines logo]()
$59
This Southwest deal was found by Cheapflights users on 11/2. 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.
Tue 11/244:35 pm -
Nonstop1h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Southwest logo]()
$59
This Travelocity deal was found by Cheapflights users on 11/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:06 pm -
1 stop26h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Frontier logo]()
$65
This Southwest deal was found by Cheapflights users on 11/4. 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.
Wed 11/255:30 pm -
1 stop5h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Southwest logo]()
$69
This American Airlines deal was found by Cheapflights users on 11/6. 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.
Tue 12/86:43 am -
Nonstop2h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![American Airlines logo]()
$70
This Southwest deal was found by Cheapflights users on 11/6. 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 12/83:10 pm -
Nonstop1h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Southwest logo]()
$70
This CheapOair deal was found by Cheapflights users on 11/3. 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.
Fri 11/131:49 pm -
Nonstop1h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Allegiant Air logo]()
$72
This Delta deal was found by Cheapflights users on 11/4. 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.
Fri 1/156:00 am -
1 stop6h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Delta logo]()
$79
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:19 am -
1 stop5h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Delta logo]()
$79
This Delta deal was found by Cheapflights users on 11/6. 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 12/81:42 pm -
1 stop7h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Delta logo]()
$80
This Delta deal was found by Cheapflights users on 11/6. 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 12/87:05 am -
1 stop4h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Delta logo]()
$80
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 November 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $117 (United Airlines) |
One-way from | $57 (Jetabroad) |
Popular in | January |
Cheapest in | February |
Average price | $311 |
Good round-trip deal | $67 or less |
Good one-way deal | $62 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 7,457,451 searches. Data last updated November 7, 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 Memphis - ORD Chicago O'Hare Intl
MEMORD
Memphis
Fri 11/27
7:00 am-9:00 am
Nonstop2h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
Quickest round-trip
MemphisChicago
MEM Memphis - MDW Chicago Midway
MEMMDW
Memphis
Mon 12/21
4:35 pm-6:10 pm
Nonstop1h 35m
Chicago Midway
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
MemphisChicago
MEM Memphis - MDW Chicago Midway
MEMMDW
Memphis
Fri 11/27
5:00 am-6:40 am
Nonstop1h 40m
Chicago Midway
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
KnoxvilleChicago
TYS Knoxville McGhee Tyson - MDW Chicago Midway
TYSMDW
Knoxville McGhee Tyson
Fri 11/13
1:49 pm-2:26 pm
Nonstop1h 37m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$72
MemphisChicago
MEM Memphis - ORD Chicago O'Hare Intl
MEMORD
Memphis
Fri 1/15
6:00 am-12:56 pm
1 stop6h 56m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
MemphisChicago
MEM Memphis - ORD Chicago O'Hare Intl
MEMORD
Memphis
Fri 2/26
12:20 pm-6:47 pm
1 stop6h 27m
Chicago O'Hare Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
MemphisChicago
MEM Memphis - MDW Chicago Midway
MEMMDW
Memphis
Fri 11/27
6:19 am-11:25 am
1 stop5h 06m
Chicago Midway
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
MemphisChicago
MEM Memphis - MDW Chicago Midway
MEMMDW
Memphis
Wed 12/2
3:54 pm-10:54 pm
1 stop7h 00m
Chicago Midway
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
KnoxvilleChicago
TYS Knoxville McGhee Tyson - MDW Chicago Midway
TYSMDW
Knoxville McGhee Tyson
Wed 11/25
1:58 pm-2:37 pm
Nonstop1h 39m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$83
KnoxvilleChicago
TYS Knoxville McGhee Tyson - MDW Chicago Midway
TYSMDW
Knoxville McGhee Tyson
Mon 11/16
3:04 pm-3:41 pm
Nonstop1h 37m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$96
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-ORD
MEM-MDW
MKL-ORD
BNA-RFD
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-ORD
MEM-MDW
MKL-ORD
BNA-RFD
What is the cheapest month to book a flight from Tennessee to Illinois?
Currently, January is the cheapest month in which you can book a flight from Tennessee to Illinois (average of $285). Flying from Tennessee to Illinois in July is currently the most expensive (average of $369). 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 November 7, 2026.
It’s optimal to fly from Tennessee to Illinois in the morning. By choosing this option you can save up to 33% 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 November 7, 2026.
The most flights from USTN to USIL are scheduled on a Wednesday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).
How much does it cost to fly round-trip from Tennessee to Illinois?
Airfare is below average for this route at the moment.
Tennessee to Illinois flights typically cost between $277 and $375 in December.The cheapest round-trip price found within the last 5 days was $227 on American Airlines (Dec 3-Dec 7).
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 57 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 October 31, 2026.
Travelers seeking maximum savings on their Tennessee to Illinois flight should consider departing on Wednesday mornings when fares are most often at their lowest. Tuesday 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 November 7, 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.
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
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 November 7, 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 7,457,451 searches. Data last updated November 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$49 | Average$131 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$61 | Average$112 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$157 | Average$352 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$157 | Average$357 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$157 | Average$357 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$250 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$189 | Average$229 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$208 | Average$366 | FlexibilityNo cancel fee | On-timeN/A |