$118+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHA — ORD
Oct 12 — Oct 191
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 September 12, 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 September 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/228:59 am -
1 stop7h 31m
Sat 10/248:04 am -
1 stop23h 35m
Deal found 9/10![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/163:28 pm -
1 stop17h 23m
Tue 10/208:46 am -
1 stop23h 53m
Deal found 9/8![Multiple Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:04 am -
1 stop7h 26m
Wed 10/218:04 am -
1 stop23h 05m
Deal found 9/7![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/89:04 am -
1 stop7h 26m
Wed 10/148:30 am -
2 stops22h 49m
Deal found 9/11![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 -
2 stops14h 44m
Sat 10/318:00 am -
1 stop24h 39m
Deal found 9/9![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/89:04 am -
1 stop7h 26m
Sat 10/108:04 am -
1 stop23h 40m
Deal found 9/8![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 11/77:15 am -
2 stops24h 34m
Deal found 9/11![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/159:04 am -
1 stop7h 26m
Sat 10/178:04 am -
1 stop24h 15m
Deal found 9/8![Multiple Airlines logo]()
$278
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/237:07 pm -
Nonstop2h 12m
Mon 10/265:59 pm -
Nonstop1h 53m
Deal found 9/10![United Airlines logo]()
$279
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am -
Nonstop2h 11m
Sun 10/47:37 pm -
Nonstop1h 52m
Deal found 9/7![American Airlines logo]()
$280
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/237:59 pm -
1 stop5h 09m
Mon 10/269:05 pm -
Nonstop1h 51m
Deal found 9/10![American Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:00 am -
1 stop7h 13m
Sat 10/107:01 pm -
1 stop4h 09m
Deal found 9/9![United Airlines logo]()
$290
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 September 12, 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 September 12, 2026.
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/246:50 am -
Nonstop2h 10m
Fri 11/276:00 pm -
Nonstop1h 53m
Deal found 9/10![United Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/105:35 am -
1 stop6h 16m
Mon 10/127:20 pm -
1 stop3h 19m
Deal found 9/9![Delta logo]()
$290
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 11/194:06 pm -
1 stop5h 11m
Thu 11/266:00 am -
1 stop5h 53m
Deal found 9/11![American Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 11/19:29 am -
2 stops32h 36m
Sat 11/712:44 pm -
1 stop24h 41m
Deal found 9/11![Multiple Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/249:45 pm -
1 stop11h 21m
Fri 11/276:04 pm -
1 stop25h 51m
Deal found 9/10![Allegiant Air logo]()
$551
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 1/156:45 am -
1 stop6h 28m
Sun 1/178:05 am -
1 stop4h 18m
Deal found 9/10![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 12/32:56 pm -
1 stop6h 19m
Sun 12/67:05 am -
1 stop6h 06m
Deal found 9/9![Delta logo]()
$299
This American Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 9/237:12 pm -
1 stop4h 45m
Tue 9/294:27 pm -
1 stop5h 52m
Deal found 9/8![American Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 11/126:50 am -
Nonstop2h 10m
Sat 11/146:59 am -
Nonstop1h 49m
Deal found 9/11![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/295:35 am -
1 stop6h 16m
Sun 11/16:00 am -
1 stop4h 18m
Deal found 9/8![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/167:01 am -
2 stops10h 27m
Mon 12/75:03 pm -
1 stop4h 06m
Deal found 9/7![American Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/36:00 am -
1 stop4h 34m
Mon 10/54:59 pm -
1 stop4h 07m
Deal found 9/8![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:50 am -
1 stop4h 15m
Mon 12/72:36 pm -
1 stop7h 05m
Deal found 9/7![United Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/255:30 am -
1 stop4h 59m
Sun 9/277:00 am -
1 stop7h 26m
Deal found 9/11![American Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 9/7. 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.
Fri 10/304:00 pm -
1 stop6h 12m
Sun 11/17:00 am -
1 stop3h 18m
Deal found 9/7![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:52 pm -
Nonstop2h 03m
Mon 10/129:20 pm -
Nonstop1h 50m
Deal found 9/10![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/15:35 am -
1 stop4h 25m
Wed 10/72:25 pm -
1 stop4h 12m
Deal found 9/8![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:00 am -
Nonstop1h 59m
Mon 10/129:20 pm -
Nonstop1h 50m
Deal found 9/11![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 11/17:05 am -
1 stop6h 42m
Sat 11/76:04 am -
1 stop4h 14m
Deal found 9/11![Delta logo]()
$319
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/232:54 pm -
2 stops10h 16m
Mon 10/265:30 pm -
1 stop5h 26m
Deal found 9/10![American Airlines logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/249:45 pm -
1 stop11h 21m
Sun 11/297:53 pm -
1 stop16h 22m
Deal found 9/10![Allegiant Air logo]()
$557
This Delta deal was found by Cheapflights users on 9/7. 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.
Thu 11/128:28 am -
1 stop4h 31m
Sun 11/159:30 am -
1 stop3h 44m
Deal found 9/7![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 1/305:38 pm -
1 stop5h 09m
Wed 2/38:05 am -
1 stop4h 18m
Deal found 9/9![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 11/186:45 am -
1 stop4h 39m
Sat 11/219:30 am -
1 stop3h 44m
Deal found 9/11![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:50 am -
Nonstop2h 09m
Wed 11/46:00 pm -
Nonstop1h 53m
Deal found 9/11![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/317:19 am -
1 stop4h 18m
Wed 11/46:04 am -
1 stop3h 34m
Deal found 9/11![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:17 am -
Nonstop2h 05m
Tue 10/206:50 am -
Nonstop1h 52m
Deal found 9/7![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 11/311:25 am -
1 stop4h 52m
Sat 11/711:33 am -
1 stop3h 47m
Deal found 9/11![Delta logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” 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 12/282:40 pm -
1 stop18h 45m
Wed 12/305:14 pm -
1 stop15h 32m
Deal found 9/12![Allegiant Air logo]()
$696
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 1/276:45 am -
1 stop4h 20m
Sat 1/3010:40 am -
1 stop5h 18m
Deal found 9/9![United Airlines logo]()
$369
Last-minute flights from Chattanooga to IllinoisDiscover last-minute flight deals from Chattanooga to Illinois. Data last updated September 12, 2026 and is based on user searches.
Discover last-minute flight deals from Chattanooga to Illinois. Data last updated September 12, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am -
Nonstop2h 11m
Sun 10/47:37 pm -
Nonstop1h 52m
Deal found 9/7![American Airlines logo]()
$280
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:00 am -
1 stop7h 13m
Sat 10/107:01 pm -
1 stop4h 09m
Deal found 9/9![United Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/89:04 am -
1 stop7h 26m
Wed 10/148:30 am -
2 stops22h 49m
Deal found 9/11![Multiple Airlines logo]()
$268
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/89:04 am -
1 stop7h 26m
Sat 10/108:04 am -
1 stop23h 40m
Deal found 9/8![Multiple Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:04 am -
1 stop7h 26m
Wed 10/218:04 am -
1 stop23h 05m
Deal found 9/7![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/159:04 am -
1 stop7h 26m
Sat 10/178:04 am -
1 stop24h 15m
Deal found 9/8![Multiple Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/163:28 pm -
1 stop17h 23m
Tue 10/208:46 am -
1 stop23h 53m
Deal found 9/8![Multiple Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/228:59 am -
1 stop7h 31m
Sat 10/248:04 am -
1 stop23h 35m
Deal found 9/10![Multiple Airlines logo]()
$259
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/237:07 pm -
Nonstop2h 12m
Mon 10/265:59 pm -
Nonstop1h 53m
Deal found 9/10![United Airlines logo]()
$279
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/237:59 pm -
1 stop5h 09m
Mon 10/269:05 pm -
Nonstop1h 51m
Deal found 9/10![American Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 -
2 stops14h 44m
Sat 10/318:00 am -
1 stop24h 39m
Deal found 9/9![Multiple Airlines logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 11/77:15 am -
2 stops24h 34m
Deal found 9/11![Multiple Airlines logo]()
$277
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 September 12, 2026.
Search for one-way flight options from Chattanooga to Illinois. Find affordable one-way fares based on user searches. Data last updated September 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 12/68:01 pm -
1 stop17h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 12/108:01 pm -
1 stop17h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 10/89:04 am -
1 stop7h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 -
2 stops16h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 -
2 stops34h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Multiple Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/193:13 pm -
2 stops21h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 9/10![Allegiant Air logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 stops19h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 11/249:45 pm -
1 stop23h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” 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 9/252:39 pm -
2 stops22h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Multiple Airlines logo]()
$232
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Delta logo]()
$269
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 September 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $259 (Kiwi.com) |
One-way from | $118 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $292 |
Good round-trip deal | $310 or less |
Good one-way deal | $273 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 September 12, 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
$180
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Wed 12/9
5:40 pm-6:45 pm
Nonstop2h 05m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$259
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Wed 10/7
10:17 am-11:22 am
Nonstop2h 05m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$259
ChattanoogaChicago
CHA Chattanooga Lovell Field - MDW Chicago Midway
CHAMDW
Chattanooga Lovell Field
Thu 12/3
6:06 pm-10:55 pm
1 stop5h 49m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$269
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Tue 12/8
9:51 am-11:10 am
Nonstop2h 19m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$269
ChattanoogaChicago
CHA Chattanooga Lovell Field - MDW Chicago Midway
CHAMDW
Chattanooga Lovell Field
Sat 10/24
5:35 am-10:37 am
1 stop6h 02m
Chicago Midway
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$269
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Mon 3/8
7:30 am-12:37 pm
1 stop6h 07m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$269
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Fri 12/11
6:30 am-7:41 am
Nonstop2h 11m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$269
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Tue 3/9
2:55 pm-6:40 pm
1 stop4h 45m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$269
Quickest round-trip
ChattanoogaChicago
CHA Chattanooga Lovell Field - ORD Chicago O'Hare Intl
CHAORD
Chattanooga Lovell Field
Sat 3/6
10:45 am-11:47 am
Nonstop2h 02m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$279
Showing 1-10 of 60 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-STL
CHA-MDW
CHA-RFD
CHA-PIA
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-STL
CHA-MDW
CHA-RFD
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 $221). Flying from Chattanooga to Illinois in July is currently the most expensive (average of $358). 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 September 12, 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 15% versus a flight at noon.
Weekly flight availability from Chattanooga to Illinois
Explore weekly flight availability from Chattanooga 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 September 12, 2026.
The most flights from CHA to USIL are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).
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 $259 and $349 in October.The cheapest round-trip price found within the last 5 days was $259 on Multiple Airlines (Oct 22-Oct 24).
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 53 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 September 12, 2026.
Travelers seeking maximum savings on their Chattanooga to Illinois flight should consider departing on Wednesday evenings 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 September 12, 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.
Entertainment
7.8
Comfort
7.8
Overall
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Comfort
7.8
Overall
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Comfort
7.8
Overall
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Comfort
7.8
Overall
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Chattanooga to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Chattanooga and Illinois flights
Browse other Chattanooga and Illinois flight options. Last updated on September 12, 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 September 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$189 | Average$334 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$189 | Average$315 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$208 | Average$361 | FlexibilityNo cancel fee | On-timeN/A |