$95+ Cheap flights from Chattanooga (CHA) 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — ORD
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Chattanooga to Illinois with Cheapflights
1. Tell us where you want to go
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 Chattanooga to IllinoisExplore the most affordable flight options available from Chattanooga to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Chattanooga to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/1210:09 am -
1 stop30h 28m
Wed 11/187:35 pm -
2 stops21h 39m
Deal found 10/21![Multiple Airlines logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/510:09 am -
1 stop30h 28m
Sat 11/77:55 am -
1 stop24h 14m
Deal found 10/21![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 12/73:25 pm -
1 stop25h 05m
Thu 12/105:24 pm -
1 stop20h 11m
Deal found 10/23![Multiple Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/242:38 pm -
1 stop9h 56m
Thu 11/265:12 pm -
1 stop22h 33m
Deal found 10/21![Multiple Airlines logo]()
$305
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/206:50 am -
Nonstop2h 10m
Mon 11/232:16 pm -
Nonstop1h 54m
Deal found 10/21![United Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 10/24. 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 11/219:49 am -
Nonstop2h 16m
Sat 11/289:06 pm -
Nonstop1h 49m
Deal found 10/24![American Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 38m
Tue 11/107:35 pm -
2 stops36h 44m
Deal found 10/24![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/242:38 pm -
1 stop9h 56m
Mon 11/307:49 am -
2 stops11h 25m
Deal found 10/21![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 38m
Sat 11/77:55 am -
1 stop24h 14m
Deal found 10/24![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 12/1712:15 pm -
2 stops12h 46m
Sun 1/108:30 pm -
1 stop16h 51m
Deal found 10/22![Multiple Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 10/20. 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.
Fri 11/209:49 am -
Nonstop2h 16m
Sun 11/224:56 pm -
1 stop5h 20m
Deal found 10/20![American Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 10/21. 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 12/55:11 pm -
1 stop6h 43m
Wed 12/95:12 pm -
1 stop5h 39m
Deal found 10/21![Delta logo]()
$339
Best flights from Chattanooga to IllinoisDiscover carefully curated flight deals from Chattanooga to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Chattanooga to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/156:45 am -
Nonstop2h 10m
Sun 11/226:00 pm -
Nonstop1h 53m
Deal found 10/24![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 10/24. 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 11/216:08 pm -
1 stop5h 46m
Tue 11/249:30 am -
1 stop3h 46m
Deal found 10/24![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/185:12 pm -
1 stop5h 14m
Wed 11/254:18 pm -
1 stop7h 02m
Deal found 10/20![American Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 10/21. 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 12/55:11 pm -
1 stop6h 43m
Wed 12/95:12 pm -
1 stop5h 39m
Deal found 10/21![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/71:52 pm -
1 stop5h 03m
Wed 11/119:10 am -
1 stop6h 58m
Deal found 10/23![United Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 10/20. 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 1/61:30 pm -
1 stop3h 55m
Sat 1/96:00 am -
1 stop3h 56m
Deal found 10/20![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:40 am -
1 stop4h 48m
Sun 12/136:00 am -
1 stop4h 25m
Deal found 10/25![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/20. 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 11/47:01 am -
2 stops10h 27m
Sun 11/84:20 pm -
1 stop4h 38m
Deal found 10/20![American Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/226:45 am -
Nonstop2h 10m
Thu 11/2610:35 am -
Nonstop1h 51m
Deal found 10/20![United Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 10/20. 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 11/185:35 am -
1 stop4h 47m
Tue 11/242:44 pm -
1 stop6h 16m
Deal found 10/20![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/20. 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 11/185:52 pm -
Nonstop2h 10m
Thu 11/2610:35 am -
Nonstop1h 51m
Deal found 10/20![United Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 10/20. 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 11/196:00 am -
1 stop5h 39m
Sat 11/285:30 am -
1 stop4h 26m
Deal found 10/20![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/206:50 am -
Nonstop2h 10m
Thu 11/2610:35 am -
Nonstop1h 51m
Deal found 10/22![United Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 10/24. 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 11/236:00 am -
1 stop5h 39m
Sat 11/285:30 am -
1 stop4h 26m
Deal found 10/24![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/24. 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 11/47:01 am -
2 stops7h 57m
Sun 11/82:34 pm -
1 stop6h 35m
Deal found 10/24![American Airlines logo]()
$512
This United Airlines deal was found by Cheapflights users on 10/23. 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 1/910:47 am -
1 stop7h 12m
Mon 1/115:41 pm -
1 stop4h 04m
Deal found 10/23![United Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 10/21. 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 2/115:45 pm -
1 stop4h 25m
Mon 2/157:00 pm -
1 stop3h 51m
Deal found 10/21![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 10/24. 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.
Fri 11/69:51 am -
1 stop5h 07m
Sun 11/82:34 pm -
1 stop6h 35m
Deal found 10/24![American Airlines logo]()
$528
This United Airlines deal was found by Cheapflights users on 10/24. 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 1/276:30 am -
1 stop4h 35m
Sat 1/306:27 am -
1 stop5h 56m
Deal found 10/24![United Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 10/20. 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 11/203:00 pm -
1 stop6h 17m
Wed 11/256:15 pm -
1 stop4h 39m
Deal found 10/20![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 10/24. 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 11/206:45 am -
1 stop6h 35m
Sun 11/227:05 am -
1 stop6h 11m
Deal found 10/24![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/21. 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 2/61:58 pm -
1 stop5h 08m
Tue 2/98:15 am -
1 stop4h 08m
Deal found 10/21![United Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 10/24. 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 11/176:45 am -
1 stop4h 34m
Sat 11/215:13 pm -
1 stop4h 29m
Deal found 10/24![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/22. 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 11/65:52 pm -
1 stop4h 21m
Sun 11/82:35 pm -
1 stop5h 18m
Deal found 10/22![United Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 10/23. 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 2/262:55 pm -
1 stop4h 42m
Mon 3/16:00 am -
1 stop6h 06m
Deal found 10/23![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 10/23. 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 2/262:55 pm -
1 stop4h 42m
Sun 2/289:30 am -
1 stop4h 09m
Deal found 10/23![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 10/23. 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 2/111:30 pm -
1 stop3h 55m
Mon 2/155:25 pm -
1 stop5h 26m
Deal found 10/23![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 10/23. 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 11/256:50 am -
Nonstop2h 10m
Sat 11/286:59 am -
Nonstop1h 49m
Deal found 10/23![United Airlines logo]()
$539
This Delta deal was found by Cheapflights users on 10/20. 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 11/47:19 am -
1 stop5h 57m
Sun 11/85:09 pm -
1 stop3h 59m
Deal found 10/20![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/61:52 pm -
1 stop5h 18m
Tue 11/107:02 pm -
1 stop17h 12m
Deal found 10/21![United Airlines logo]()
$566
Last-minute flights from Chattanooga to IllinoisDiscover last-minute flight deals from Chattanooga to Illinois. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Chattanooga to Illinois. Data last updated October 25, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 38m
Tue 11/107:35 pm -
2 stops36h 44m
Deal found 10/24![Multiple Airlines logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 38m
Sat 11/77:55 am -
1 stop24h 14m
Deal found 10/24![Multiple Airlines logo]()
$326
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/510:09 am -
1 stop30h 28m
Sat 11/77:55 am -
1 stop24h 14m
Deal found 10/21![Multiple Airlines logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/510:09 am -
1 stop30h 28m
Sun 12/68:15 am -
2 stops9h 56m
Deal found 10/22![Multiple Airlines logo]()
$330
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/1210:09 am -
1 stop30h 28m
Wed 11/187:35 pm -
2 stops21h 39m
Deal found 10/21![Multiple Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 10/20. 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 11/128:33 am -
1 stop4h 26m
Sun 11/159:30 am -
1 stop3h 46m
Deal found 10/20![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 10/21. 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 11/206:50 am -
Nonstop2h 10m
Mon 11/232:16 pm -
Nonstop1h 54m
Deal found 10/21![United Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 10/20. 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.
Fri 11/209:49 am -
Nonstop2h 16m
Sun 11/224:56 pm -
1 stop5h 20m
Deal found 10/20![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 10/24. 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 11/219:49 am -
Nonstop2h 16m
Sat 11/289:06 pm -
Nonstop1h 49m
Deal found 10/24![American Airlines logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/242:38 pm -
1 stop9h 56m
Thu 11/265:12 pm -
1 stop22h 33m
Deal found 10/21![Multiple Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/242:38 pm -
1 stop9h 56m
Mon 11/307:49 am -
2 stops11h 25m
Deal found 10/21![Multiple Airlines logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 11/242:38 pm -
1 stop9h 56m
Fri 11/277:49 am -
2 stops36h 06m
Deal found 10/24![Multiple Airlines logo]()
$331
One-way flights from Chattanooga to IllinoisSearch for one-way flight options from Chattanooga to Illinois. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Chattanooga to Illinois. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 1/79:00 am -
1 stop31h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 11/242:38 pm -
1 stop9h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/197:04 pm -
2 stops21h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/1910:06 am -
1 stop8h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Allegiant Air logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 12/143:25 pm -
3 stops55h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 11/510:09 am -
1 stop30h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/197:04 pm -
2 stops37h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Multiple Airlines logo]()
$194
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 11/89:59 am -
2 stops38h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$202
This Delta deal was found by Cheapflights users on 10/21. 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 12/36:06 pm -
1 stop5h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Delta logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 10/24. 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 3/258:59 am -
2 stops15h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$293
This Delta deal was found by Cheapflights users on 10/20. 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 11/206:45 am -
1 stop6h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 10/24. 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.
Sun 11/86:00 am -
1 stop4h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Delta logo]()
$349
Find flight deals from Chattanooga to Illinois
Keep the following information in mind while searching for Chattanooga to Illinois flight deals. Data was last updated October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $301 (Kiwi.com) |
One-way from | $95 (Kiwi.com) |
Popular in | October |
Cheapest in | February |
Average price | $369 |
Good round-trip deal | $386 or less |
Good one-way deal | $398 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chattanooga 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 October 25, 2026.
Use the filters below to find and compare flights from Chattanooga to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChattanoogaChicago
CHA Chattanooga Lovell Field - MDW Chicago Midway
CHAMDW
Chattanooga Lovell Field
Thu 11/19
10:06 am-5:07 pm
1 stop8h 01m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$144
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Mon 12/28
4:45 pm-5:56 pm
Nonstop2h 11m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$204
Quickest round-trip
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Thu 11/26
6:50 am-8:00 am
Nonstop2h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Tue 11/24
5:52 pm-7:05 pm
Nonstop2h 13m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Sun 11/29
6:45 am-7:55 am
Nonstop2h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
ChattanoogaChicago
CHA Chattanooga Lovell Field - MDW Chicago Midway
CHAMDW
Chattanooga Lovell Field
Thu 12/3
6:06 pm-10:54 pm
1 stop5h 48m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$289
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Thu 12/3
9:00 am-2:30 pm
1 stop6h 30m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$289
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Thu 11/26
9:00 am-2:15 pm
1 stop6h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$289
ChattanoogaChicago
CHA Chattanooga Lovell Field - MDW Chicago Midway
CHAMDW
Chattanooga Lovell Field
Fri 11/20
6:00 am-9:46 am
1 stop4h 46m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$299
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Wed 1/6
6:00 am-8:37 pm
2 stops15h 37m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$300
Showing 1-10 of 47 resultsSorted by cheapest first
Best time to book a flight from Chattanooga to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Chattanooga with our price prediction graph.
CHA-ORD
CHA-MDW
CHA-PIA
CHA-DEC
CHA-MLI
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 Chattanooga to Illinois
CHA-USIL
CHA-ORD
CHA-MDW
CHA-PIA
CHA-DEC
What is the cheapest month to book a flight from Chattanooga to Illinois?
Currently, February is the cheapest month in which you can book a flight from Chattanooga to Illinois (average of $229). Flying from Chattanooga to Illinois in October is currently the most expensive (average of $368). 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 CHA to IL?
Find hourly flight availability from Chattanooga 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 October 25, 2026.
When flying from Chattanooga to Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 18% versus a flight at noon.
How much does it cost to fly round-trip from Chattanooga to Illinois?
Airfare is typical for this route at the moment.
Chattanooga to Illinois flights typically cost between $289 and $458 in November.The cheapest round-trip price found within the last 5 days was $301 on Multiple Airlines (Nov 12-Nov 18).
How far ahead should I book a flight from Chattanooga to Illinois?
The price you pay for your flight from Chattanooga to Illinois may vary depending on when you book. For the best chance of a lower fare, look to book 41 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 Chattanooga to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Chattanooga to Illinois. Price data was last updated on October 24, 2026.
Travelers seeking maximum savings on their Chattanooga to Illinois flight should consider departing on Friday afternoons 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 October 25, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Chattanooga to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Food
7.2
Crew
8.5
Overall
7.8
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Chattanooga 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 Chattanooga to Illinois
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Complete your trip
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Chattanooga and Illinois flights
Browse other Chattanooga and Illinois flight options. Last updated on October 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Chattanooga to Illinois flights
Consider these flights traveling from Chattanooga to Illinois.
Top 3 airlines flying from Chattanooga to Illinois
Discover the top 3 airlines that operate flights from Chattanooga 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 October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$189 | Average$291 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$208 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$208 | Average$311 | FlexibilityNo cancel fee | On-time69% |