$144+ Cheap flights from Tucson (TUS) 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — ORD
Nov 4 — Nov 111
Round-trip
1 adult, Economy
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Find cheap flights from Tucson 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 Tucson to IllinoisExplore the most affordable flight options available from Tucson to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 5, 2026.
Explore the most affordable flight options available from Tucson to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 5, 2026.
This Southwest deal was found by Cheapflights users on 10/4. 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 12/26:05 am -
1 stop7h 10m
Tue 12/83:50 pm -
Nonstop3h 55m
Deal found 10/4![Southwest logo]()
$297
This Southwest deal was found by Cheapflights users on 10/4. 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 12/39:45 am -
2 stops9h 10m
Tue 12/83:50 pm -
Nonstop3h 55m
Deal found 10/4![Southwest logo]()
$307
This Southwest deal was found by Cheapflights users on 10/4. 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.
Tue 11/37:45 am -
2 stops8h 20m
Tue 11/105:20 am -
1 stop7h 05m
Deal found 10/4![Southwest logo]()
$312
This Southwest deal was found by Cheapflights users on 10/4. 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 10/295:45 am -
Nonstop3h 15m
Tue 11/35:20 am -
1 stop7h 05m
Deal found 10/4![Southwest logo]()
$334
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:35 am -
1 stop12h 57m
Tue 12/17:45 am -
1 stop10h 26m
Deal found 9/30![Delta logo]()
$338
This Southwest deal was found by Cheapflights users on 10/5. 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.
Wed 10/284:30 pm -
1 stop5h 25m
Tue 11/36:05 am -
1 stop5h 45m
Deal found 10/5![Southwest logo]()
$341
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:40 pm -
1 stop7h 35m
Sun 12/612:25 pm -
1 stop7h 44m
Deal found 9/30![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:45 pm -
1 stop18h 53m
Wed 12/27:45 am -
1 stop10h 26m
Deal found 9/30![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:35 am -
2 stops12h 52m
Thu 12/37:45 am -
1 stop15h 04m
Deal found 9/30![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:16 pm -
1 stop8h 49m
Tue 12/16:10 pm -
1 stop18h 56m
Deal found 9/30![Delta logo]()
$370
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:35 am -
1 stop15h 15m
Tue 12/17:45 am -
1 stop10h 26m
Deal found 9/30![Delta logo]()
$373
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:35 am -
1 stop15h 12m
Thu 12/37:45 am -
1 stop15h 04m
Deal found 9/30![Delta logo]()
$393
Best flights from Tucson to IllinoisDiscover carefully curated flight deals from Tucson to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 5, 2026.
Discover carefully curated flight deals from Tucson to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 5, 2026.
This American Airlines deal was found by Cheapflights users on 10/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:40 pm -
1 stop7h 35m
Sun 12/612:25 pm -
1 stop7h 44m
Deal found 10/3![American Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 10/4. 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 10/295:45 am -
Nonstop3h 15m
Mon 11/22:35 pm -
2 stops7h 35m
Deal found 10/4![Southwest logo]()
$378
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:35 am -
1 stop15h 12m
Wed 12/27:45 am -
1 stop15h 04m
Deal found 9/30![Delta logo]()
$393
This United Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/304:05 pm -
1 stop6h 19m
Wed 2/32:26 pm -
1 stop9h 49m
Deal found 10/4![United Airlines logo]()
$451
This Alaska Airlines deal was found by Cheapflights users on 10/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1112:08 pm -
1 stop10h 51m
Tue 12/224:07 pm -
1 stop8h 51m
Deal found 10/4![Alaska Airlines logo]()
$535
This Southwest deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:55 am -
1 stop6h 05m
Mon 11/95:20 pm -
2 stops6h 50m
Deal found 10/1![Southwest logo]()
$422
This Delta deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:40 am -
2 stops13h 25m
Wed 10/287:29 am -
1 stop10h 16m
Deal found 10/1![Delta logo]()
$422
This Southwest deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:20 am -
2 stops9h 05m
Wed 10/283:35 pm -
2 stops7h 35m
Deal found 10/1![Southwest logo]()
$427
This United Airlines deal was found by Cheapflights users on 10/4. 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.
Thu 12/38:25 am -
Nonstop3h 46m
Tue 12/82:35 pm -
1 stop7h 55m
Deal found 10/4![United Airlines logo]()
$476
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/161:23 pm -
1 stop7h 35m
Tue 10/205:00 am -
2 stops9h 33m
Deal found 9/30![American Airlines logo]()
$495
This Southwest deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/238:40 pm -
1 stop8h 00m
Sat 11/285:15 pm -
Nonstop3h 45m
Deal found 9/30![Southwest logo]()
$437
This Delta deal was found by Cheapflights users on 10/4. 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.
Thu 4/112:00 pm -
1 stop9h 30m
Tue 5/49:30 am -
2 stops8h 56m
Deal found 10/4![Delta logo]()
$491
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Fri 2/1212:00 pm -
2 stops10h 13m
Tue 2/165:00 am -
2 stops9h 39m
Deal found 10/2![United Airlines logo]()
$515
This Delta deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:27 pm -
1 stop8h 30m
Tue 11/176:23 am -
2 stops11h 46m
Deal found 10/2![Delta logo]()
$491
This United Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1810:37 am -
1 stop7h 01m
Mon 11/237:54 pm -
Nonstop4h 21m
Deal found 10/1![United Airlines logo]()
$517
This Southwest deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:00 pm -
2 stops6h 55m
Fri 10/303:50 pm -
2 stops8h 35m
Deal found 9/30![Southwest logo]()
$473
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:31 pm -
1 stop7h 39m
Mon 10/194:42 pm -
1 stop5h 41m
Deal found 9/30![American Airlines logo]()
$596
This Southwest deal was found by Cheapflights users on 10/4. 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.
Mon 12/148:10 am -
Nonstop3h 20m
Thu 12/2410:10 am -
2 stops8h 10m
Deal found 10/4![Southwest logo]()
$474
This Delta deal was found by Cheapflights users on 10/4. 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.
Wed 12/167:42 am -
1 stop15h 17m
Fri 12/256:00 am -
1 stop6h 50m
Deal found 10/4![Delta logo]()
$527
This United Airlines deal was found by Cheapflights users on 10/4. 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.
Tue 12/158:25 am -
Nonstop3h 46m
Thu 12/248:05 pm -
Nonstop4h 31m
Deal found 10/4![United Airlines logo]()
$560
This Southwest deal was found by Cheapflights users on 10/2. 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.
Mon 11/27:30 am -
Nonstop3h 10m
Tue 11/1710:50 am -
1 stop8h 00m
Deal found 10/2![Southwest logo]()
$476
This Delta deal was found by Cheapflights users on 10/3. 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.
Mon 12/76:01 am -
2 stops12h 44m
Wed 12/308:05 am -
1 stop8h 12m
Deal found 10/3![Delta logo]()
$558
This United Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:05 am -
2 stops8h 40m
Sun 12/68:00 am -
2 stops8h 37m
Deal found 9/30![United Airlines logo]()
$571
This Southwest deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:30 am -
Nonstop3h 10m
Sun 12/1312:20 pm -
Nonstop3h 45m
Deal found 9/30![Southwest logo]()
$482
This American Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:28 am -
2 stops11h 41m
Thu 10/226:02 am -
2 stops11h 03m
Deal found 10/1![American Airlines logo]()
$734
This Delta deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/52:27 pm -
1 stop8h 30m
Sun 11/86:20 am -
2 stops11h 27m
Deal found 10/2![Delta logo]()
$558
This Delta deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:47 am -
2 stops13h 00m
Sun 11/229:59 am -
2 stops12h 49m
Deal found 10/1![Delta logo]()
$563
This United Airlines deal was found by Cheapflights users on 10/5. 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 10/151:40 pm -
1 stop5h 11m
Thu 10/228:45 am -
1 stop5h 49m
Deal found 10/5![United Airlines logo]()
$797
This American Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:23 pm -
1 stop6h 40m
Sun 11/17:11 am -
1 stop6h 01m
Deal found 10/1![American Airlines logo]()
$1,014
This United Airlines deal was found by Cheapflights users on 10/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:40 am -
2 stops11h 18m
Wed 10/216:15 am -
3 stops16h 10m
Deal found 10/2![United Airlines logo]()
$799
Last-minute flights from Tucson to IllinoisDiscover last-minute flight deals from Tucson to Illinois. Data last updated October 5, 2026 and is based on user searches.
Discover last-minute flight deals from Tucson to Illinois. Data last updated October 5, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:45 am -
Nonstop3h 15m
Sat 10/247:55 pm -
Nonstop3h 45m
Deal found 10/1![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 10/5. 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.
Wed 10/284:30 pm -
1 stop5h 25m
Tue 11/36:05 am -
1 stop5h 45m
Deal found 10/5![Southwest logo]()
$341
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:35 am -
1 stop15h 12m
Thu 12/37:45 am -
1 stop15h 04m
Deal found 9/30![Delta logo]()
$393
This Southwest deal was found by Cheapflights users on 10/4. 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 10/295:45 am -
Nonstop3h 15m
Tue 11/35:20 am -
1 stop7h 05m
Deal found 10/4![Southwest logo]()
$334
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:45 pm -
1 stop18h 53m
Wed 12/27:45 am -
1 stop10h 26m
Deal found 9/30![Delta logo]()
$363
This Southwest deal was found by Cheapflights users on 10/4. 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 10/295:45 am -
Nonstop3h 15m
Mon 11/22:35 pm -
2 stops7h 35m
Deal found 10/4![Southwest logo]()
$378
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:35 am -
2 stops12h 52m
Thu 12/37:45 am -
1 stop15h 04m
Deal found 9/30![Delta logo]()
$368
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:27 pm -
1 stop8h 30m
Fri 12/46:10 pm -
1 stop18h 56m
Deal found 9/30![Delta logo]()
$395
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:35 am -
1 stop15h 15m
Tue 12/17:45 am -
1 stop10h 26m
Deal found 9/30![Delta logo]()
$373
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:35 am -
1 stop12h 57m
Tue 12/17:45 am -
1 stop10h 26m
Deal found 9/30![Delta logo]()
$338
This Southwest deal was found by Cheapflights users on 10/4. 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.
Tue 11/37:45 am -
2 stops8h 20m
Tue 11/105:20 am -
1 stop7h 05m
Deal found 10/4![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:16 pm -
1 stop8h 49m
Tue 12/16:10 pm -
1 stop18h 56m
Deal found 9/30![Delta logo]()
$370
One-way flights from Tucson to IllinoisSearch for one-way flight options from Tucson to Illinois. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.
Search for one-way flight options from Tucson to Illinois. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.
This Southwest deal was found by Cheapflights users on 10/4. 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 11/48:10 am -
Nonstop3h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Southwest logo]()
$144
This Sun Country Air deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/287:37 pm -
1 stop21h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Sun Country Air logo]()
$168
This Sun Country Air deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/317:58 pm -
1 stop13h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Sun Country Air logo]()
$178
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:45 pm -
1 stop18h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Delta logo]()
$182
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/294:45 pm -
2 stops23h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Delta logo]()
$188
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:35 am -
2 stops12h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Delta logo]()
$188
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/17:42 am -
1 stop15h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Delta logo]()
$192
This Delta deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/15:37 pm -
2 stops14h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Delta logo]()
$198
This Southwest deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/168:10 am -
Nonstop3h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Southwest logo]()
$199
This American Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/213:47 pm -
Nonstop3h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![American Airlines logo]()
$199
This Sun Country Air deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/217:16 pm -
1 stop14h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Sun Country Air logo]()
$208
This Southwest deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:00 pm -
1 stop5h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Southwest logo]()
$209
Find flight deals from Tucson to Illinois
Keep the following information in mind while searching for Tucson to Illinois flight deals. Data was last updated October 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $297 (Southwest) |
One-way from | $144 (Southwest) |
Popular in | April |
Cheapest in | August |
Average price | $481 |
Good round-trip deal | $414 or less |
Good one-way deal | $193 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Tucson 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 5, 2026.
Use the filters below to find and compare flights from Tucson to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
TucsonChicago
TUS Tucson - MDW Chicago Midway
TUSMDW
Tucson
Wed 11/4
8:10 am-12:30 pm
Nonstop3h 20m
Chicago Midway
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$144
TucsonChicago
TUS Tucson - ORD Chicago O'Hare Intl
TUSORD
Tucson
Mon 12/28
7:37 pm-5:42 pm
1 stop21h 05m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$168
TucsonChicago
TUS Tucson - ORD Chicago O'Hare Intl
TUSORD
Tucson
Thu 12/31
7:58 pm-10:48 am
1 stop13h 50m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$178
TucsonChicago
TUS Tucson - ORD Chicago O'Hare Intl
TUSORD
Tucson
Tue 11/3
1:26 pm-3:45 pm
1 stop25h 19m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$192
TucsonChicago
TUS Tucson - MDW Chicago Midway
TUSMDW
Tucson
Wed 12/30
7:42 am-5:44 pm
2 stops33h 02m
Chicago Midway
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$198
TucsonChicago
TUS Tucson - MDW Chicago Midway
TUSMDW
Tucson
Wed 12/2
7:42 am-8:55 am
2 stops24h 13m
Chicago Midway
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$198
TucsonChicago
TUS Tucson - ORD Chicago O'Hare Intl
TUSORD
Tucson
Sat 10/31
6:35 am-9:27 pm
2 stops12h 52m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$198
TucsonChicago
TUS Tucson - MDW Chicago Midway
TUSMDW
Tucson
Wed 12/30
4:30 pm-1:20 am
1 stop7h 50m
Chicago Midway
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$209
TucsonChicago
TUS Tucson - ORD Chicago O'Hare Intl
TUSORD
Tucson
Mon 11/2
1:26 pm-9:32 pm
1 stop7h 06m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$209
TucsonChicago
TUS Tucson - ORD Chicago O'Hare Intl
TUSORD
Tucson
Wed 12/2
5:53 pm-8:49 am
2 stops13h 56m
Chicago O'Hare Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$214
Showing 1-10 of 54 resultsSorted by cheapest first
Best time to book a flight from Tucson to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Tucson with our price prediction graph.
TUS-MDW
TUS-ORD
TUS-MLI
TUS-PIA
TUS-BMI
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 Tucson to Illinois
TUS-USIL
TUS-MDW
TUS-ORD
TUS-MLI
TUS-PIA
What is the cheapest month to book a flight from Tucson to Illinois?
Currently, January is the cheapest month in which you can book a flight from Tucson to Illinois (average of $409). Flying from Tucson to Illinois in April is currently the most expensive (average of $519). 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 TUS to IL?
Find hourly flight availability from Tucson 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 5, 2026.
It’s typically best to fly out from Tucson to Illinois in the morning. Doing so could potentially save you 25% on the flight price compared to flying in the afternoon, which is usually more expensive.
Weekly flight availability from Tucson to Illinois
Explore weekly flight availability from Tucson 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 October 5, 2026.
The most flights from TUS to USIL are scheduled on a Friday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Tucson to Illinois?
Airfare is below average for this route at the moment.
Tucson to Illinois flights typically cost between $361 and $561 in February.The cheapest round-trip price found within the last 5 days was $320 on Delta (Feb 2-Feb 8).
How far ahead should I book a flight from Tucson to Illinois?
The best time to book flights from Tucson to Illinois is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest day to fly from Tucson to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Tucson to Illinois. Price data was last updated on October 3, 2026.
Travelers seeking maximum savings on their Tucson to Illinois flight should consider departing on Saturday evenings when fares are most often at their lowest. Tuesday afternoons 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 5, 2026.
Read through reviews of airlines operating flights from Tucson to Illinois, such as Southwest,United Airlines, andAmerican Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Food
7.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Tucson 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 Tucson 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.
Search flights from Tucson to Illinois by cabin class
Find flights from Tucson to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Tucson and Illinois flights
Browse other Tucson and Illinois flight options. Last updated on October 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Tucson to Illinois flights
Consider these flights traveling from Tucson to Illinois.
Top 4 airlines flying from Tucson to Illinois
Discover the top 4 airlines that operate flights from Tucson 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 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$199 | Average$258 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$217 | Average$452 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$268 | Average$486 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$377 | Average$530 | FlexibilityNo cancel fee | On-time69% |