$152+ Cheap flights from Illinois to Tucson (TUS)
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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — TUS
Oct 24 — Oct 311
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Tucson 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Tucson
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Cheapest flights from Illinois to TucsonExplore the most affordable flight options available from Illinois to Tucson. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
Explore the most affordable flight options available from Illinois to Tucson. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 24, 2026.
This Sun Country Air deal was found by Cheapflights users on 9/21. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1711:45 am -
1 stop7h 43m
Mon 12/287:37 pm -
1 stop21h 05m
Deal found 9/21![Sun Country Air logo]()
$325
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/3111:33 am -
1 stop8h 23m
Sat 11/73:33 pm -
1 stop7h 34m
Deal found 9/19![American Airlines logo]()
$327
This Sun Country Air deal was found by Cheapflights users on 9/21. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1711:45 am -
1 stop7h 43m
Sun 12/207:40 pm -
1 stop13h 08m
Deal found 9/21![Sun Country Air logo]()
$335
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/205:04 pm -
1 stop6h 51m
Tue 10/271:26 pm -
1 stop7h 04m
Deal found 9/19![Delta logo]()
$341
This Sun Country Air deal was found by Cheapflights users on 9/21. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1711:45 am -
1 stop7h 43m
Fri 12/257:40 pm -
1 stop22h 50m
Deal found 9/21![Sun Country Air logo]()
$355
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Sat 10/2410:49 am -
2 stops8h 41m
Fri 11/62:30 pm -
1 stop5h 42m
Deal found 9/22![United Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/711:40 am -
Nonstop4h 03m
Thu 11/128:02 am -
Nonstop3h 33m
Deal found 9/19![American Airlines logo]()
$357
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/219:45 pm -
Nonstop3h 55m
Thu 1/77:45 am -
Nonstop3h 15m
Deal found 9/21![Southwest logo]()
$357
This American Airlines deal was found by Cheapflights users on 9/20. 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.
Sat 10/2411:45 am -
Nonstop3h 56m
Sat 10/312:31 pm -
Nonstop3h 44m
Deal found 9/20![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:58 pm -
1 stop7h 28m
Thu 12/103:33 pm -
1 stop7h 26m
Deal found 9/19![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/125:03 pm -
1 stop7h 52m
Mon 11/164:57 pm -
1 stop5h 23m
Deal found 9/21![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/34:43 pm -
1 stop6h 43m
Mon 12/75:20 am -
1 stop5h 35m
Deal found 9/19![American Airlines logo]()
$359
Best flights from Illinois to TucsonDiscover carefully curated flight deals from Illinois to Tucson that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
Discover carefully curated flight deals from Illinois to Tucson that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
This American Airlines deal was found by Cheapflights users on 9/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:13 pm -
1 stop6h 13m
Wed 11/1112:46 pm -
2 stops10h 21m
Deal found 9/22![American Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:25 am -
1 stop6h 35m
Thu 10/295:45 am -
Nonstop3h 15m
Deal found 9/22![Southwest logo]()
$367
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/272:45 pm -
1 stop8h 03m
Sat 10/316:00 am -
1 stop7h 00m
Deal found 9/19![Delta logo]()
$377
This United Airlines deal was found by Cheapflights users on 9/20. 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.
Mon 12/218:05 pm -
Nonstop4h 31m
Sat 12/265:29 pm -
1 stop6h 01m
Deal found 9/20![United Airlines logo]()
$434
This Sun Country Air deal was found by Cheapflights users on 9/20. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2110:45 am -
1 stop8h 33m
Mon 12/287:37 pm -
1 stop21h 05m
Deal found 9/20![Sun Country Air logo]()
$435
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/316:00 am -
2 stops8h 33m
Sat 11/712:46 pm -
2 stops10h 21m
Deal found 9/19![American Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 9/23. 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.
Sat 12/124:08 pm -
1 stop7h 59m
Tue 12/153:03 pm -
1 stop6h 51m
Deal found 9/23![Delta logo]()
$377
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 11/255:13 pm -
1 stop8h 06m
Wed 12/22:46 pm -
2 stops8h 21m
Deal found 9/18![American Airlines logo]()
$346
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:05 am -
2 stops9h 20m
Mon 12/77:10 am -
2 stops8h 55m
Deal found 9/21![Southwest logo]()
$411
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/74:19 pm -
1 stop7h 36m
Thu 11/123:06 pm -
1 stop6h 48m
Deal found 9/19![Delta logo]()
$377
This American Airlines deal was found by Cheapflights users on 9/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/33:58 pm -
1 stop7h 28m
Thu 12/103:33 pm -
1 stop7h 26m
Deal found 9/23![American Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:05 am -
2 stops9h 15m
Sat 10/315:35 am -
2 stops9h 15m
Deal found 9/19![Southwest logo]()
$411
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/102:03 pm -
1 stop9h 33m
Sat 11/1412:18 pm -
2 stops10h 36m
Deal found 9/19![Delta logo]()
$382
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Sat 1/95:00 am -
1 stop9h 00m
Tue 1/122:40 pm -
1 stop5h 07m
Deal found 9/22![United Airlines logo]()
$464
This American Airlines deal was found by Cheapflights users on 9/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/93:58 pm -
1 stop7h 28m
Sat 12/123:33 pm -
1 stop7h 26m
Deal found 9/22![American Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:55 am -
2 stops11h 05m
Mon 11/166:00 pm -
1 stop10h 40m
Deal found 9/22![Southwest logo]()
$412
This Delta deal was found by Cheapflights users on 9/21. 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.
Tue 12/16:49 am -
2 stops11h 08m
Mon 12/76:01 am -
1 stop7h 48m
Deal found 9/21![Delta logo]()
$382
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 12/98:40 am -
1 stop5h 55m
Sat 12/122:41 pm -
1 stop5h 05m
Deal found 9/19![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Thu 12/35:30 pm -
1 stop6h 41m
Thu 12/104:08 pm -
1 stop6h 01m
Deal found 9/23![United Airlines logo]()
$469
This Southwest deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/79:05 am -
1 stop6h 30m
Wed 10/1411:25 am -
Nonstop3h 15m
Deal found 9/19![Southwest logo]()
$446
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/241:55 pm -
2 stops10h 00m
Sat 10/3111:16 am -
1 stop8h 49m
Deal found 9/19![Delta logo]()
$432
This American Airlines deal was found by Cheapflights users on 9/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/277:23 am -
1 stop8h 28m
Thu 12/35:20 am -
1 stop5h 35m
Deal found 9/23![American Airlines logo]()
$451
This Southwest deal was found by Cheapflights users on 9/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/219:45 pm -
Nonstop3h 55m
Mon 12/285:40 am -
1 stop5h 35m
Deal found 9/20![Southwest logo]()
$456
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/79:59 am -
2 stops12h 59m
Thu 11/127:47 am -
2 stops11h 30m
Deal found 9/19![Delta logo]()
$438
This American Airlines deal was found by Cheapflights users on 9/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/278:50 am -
1 stop7h 01m
Wed 1/63:40 pm -
1 stop7h 35m
Deal found 9/21![American Airlines logo]()
$467
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” 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 11/256:30 am -
2 stops10h 19m
Wed 12/27:05 am -
2 stops10h 09m
Deal found 9/18![United Airlines logo]()
$574
This Southwest deal was found by Cheapflights users on 9/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/215:00 pm -
2 stops7h 10m
Sat 12/266:30 am -
2 stops10h 10m
Deal found 9/20![Southwest logo]()
$500
This American Airlines deal was found by Cheapflights users on 9/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:00 am -
2 stops9h 45m
Sat 10/103:55 pm -
1 stop5h 22m
Deal found 9/21![American Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 9/20. 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.
Tue 12/223:29 pm -
1 stop8h 37m
Tue 12/296:05 am -
2 stops13h 13m
Deal found 9/20![Delta logo]()
$472
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/216:00 am -
1 stop5h 35m
Sat 1/28:40 pm -
1 stop6h 45m
Deal found 9/21![Southwest logo]()
$500
Last-minute flights from Illinois to TucsonDiscover last-minute flight deals from Illinois to Tucson. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Tucson. Data last updated September 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/205:04 pm -
1 stop6h 51m
Tue 10/271:26 pm -
1 stop7h 04m
Deal found 9/19![Delta logo]()
$341
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2011:45 am -
Nonstop3h 56m
Sat 10/241:27 pm -
1 stop7h 33m
Deal found 9/19![American Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/204:45 pm -
2 stops7h 20m
Tue 10/2711:25 am -
Nonstop3h 15m
Deal found 9/22![Southwest logo]()
$372
This Southwest deal was found by Cheapflights users on 9/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:05 pm -
Nonstop3h 40m
Sat 10/247:35 am -
Nonstop3h 20m
Deal found 9/23![Southwest logo]()
$357
This Southwest deal was found by Cheapflights users on 9/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:05 pm -
Nonstop3h 40m
Mon 10/265:15 pm -
1 stop5h 00m
Deal found 9/23![Southwest logo]()
$367
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:25 am -
1 stop6h 35m
Thu 10/2912:00 pm -
1 stop7h 15m
Deal found 9/22![Southwest logo]()
$377
This American Airlines deal was found by Cheapflights users on 9/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:45 am -
Nonstop3h 56m
Mon 10/262:31 pm -
Nonstop3h 44m
Deal found 9/21![American Airlines logo]()
$381
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Sat 10/2410:49 am -
2 stops8h 41m
Fri 11/62:30 pm -
1 stop5h 42m
Deal found 9/22![United Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 9/20. 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.
Sat 10/2411:45 am -
Nonstop3h 56m
Sat 10/312:31 pm -
Nonstop3h 44m
Deal found 9/20![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:45 am -
Nonstop3h 56m
Sat 10/312:31 pm -
Nonstop3h 44m
Deal found 9/19![American Airlines logo]()
$357
This American Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/3111:33 am -
1 stop8h 23m
Sat 11/73:33 pm -
1 stop7h 34m
Deal found 9/19![American Airlines logo]()
$327
This American Airlines deal was found by Cheapflights users on 9/20. 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.
Sat 10/316:54 am -
1 stop7h 39m
Sun 11/15:20 am -
1 stop5h 35m
Deal found 9/20![American Airlines logo]()
$359
One-way flights from Illinois to TucsonSearch for one-way flight options from Illinois to Tucson. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
Search for one-way flight options from Illinois to Tucson. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
This Priceline deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1711:45 am -
1 stop7h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Sun Country Air logo]()
$152
This American Airlines deal was found by Cheapflights users on 9/20. 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.
Thu 12/178:56 pm -
Nonstop4h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![American Airlines logo]()
$179
This Southwest deal was found by Cheapflights users on 9/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1712:20 pm -
Nonstop3h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Southwest logo]()
$179
This Delta deal was found by Cheapflights users on 9/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:03 pm -
1 stop9h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Delta logo]()
$189
This Delta deal was found by Cheapflights users on 9/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:09 pm -
1 stop6h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Delta logo]()
$189
This Delta deal was found by Cheapflights users on 9/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:23 am -
2 stops11h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Delta logo]()
$194
This American Airlines deal was found by Cheapflights users on 9/20. 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 10/2311:45 am -
Nonstop3h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![American Airlines logo]()
$203
This Southwest deal was found by Cheapflights users on 9/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:05 pm -
Nonstop3h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Southwest logo]()
$203
This Southwest deal was found by Cheapflights users on 9/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/232:55 pm -
1 stop8h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Southwest logo]()
$213
This Delta deal was found by Cheapflights users on 9/20. 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 11/139:59 am -
2 stops12h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Delta logo]()
$218
This Southwest deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/147:40 am -
2 stops7h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Southwest logo]()
$218
This Delta deal was found by Cheapflights users on 9/23. 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.
Mon 10/267:14 pm -
1 stop17h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Delta logo]()
$226
Find flight deals from Illinois to Tucson
Keep the following information in mind while searching for Illinois to Tucson flight deals. Data was last updated September 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $325 (Sun Country Air) |
One-way from | $152 (Priceline) |
Popular in | December |
Cheapest in | April |
Average price | $533 |
Good round-trip deal | $397 or less |
Good one-way deal | $227 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Tucson 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 24, 2026.
Use the filters below to find and compare flights from Illinois to Tucson that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoTucson
ORD Chicago O'Hare Intl - TUS Tucson
ORDTUS
Chicago O'Hare Intl
Sat 11/7
3:35 pm-6:58 pm
Nonstop4h 23m
Tucson
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$179
Quickest round-trip
ChicagoTucson
MDW Chicago Midway - TUS Tucson
MDWTUS
Chicago Midway
Thu 12/17
12:20 pm-3:05 pm
Nonstop3h 45m
Tucson
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$179
ChicagoTucson
ORD Chicago O'Hare Intl - TUS Tucson
ORDTUS
Chicago O'Hare Intl
Tue 11/17
2:32 pm-9:48 pm
1 stop8h 16m
Tucson
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$189
ChicagoTucson
ORD Chicago O'Hare Intl - TUS Tucson
ORDTUS
Chicago O'Hare Intl
Wed 11/18
1:30 pm-6:19 pm
1 stop5h 49m
Tucson
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$189
ChicagoTucson
ORD Chicago O'Hare Intl - TUS Tucson
ORDTUS
Chicago O'Hare Intl
Tue 10/20
2:03 pm-9:37 pm
1 stop9h 34m
Tucson
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$189
ChicagoTucson
MDW Chicago Midway - TUS Tucson
MDWTUS
Chicago Midway
Wed 10/14
6:05 am-10:45 am
1 stop6h 40m
Tucson
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$189
ChicagoTucson
MDW Chicago Midway - TUS Tucson
MDWTUS
Chicago Midway
Tue 10/20
5:09 pm-9:55 pm
1 stop6h 46m
Tucson
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$189
ChicagoTucson
ORD Chicago O'Hare Intl - TUS Tucson
ORDTUS
Chicago O'Hare Intl
Wed 11/18
11:19 am-11:06 pm
2 stops12h 47m
Tucson
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$194
ChicagoTucson
MDW Chicago Midway - TUS Tucson
MDWTUS
Chicago Midway
Wed 10/21
1:27 pm-9:55 pm
2 stops10h 28m
Tucson
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$194
ChicagoTucson
MDW Chicago Midway - TUS Tucson
MDWTUS
Chicago Midway
Wed 11/18
12:30 pm-9:48 pm
2 stops10h 18m
Tucson
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$194
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Tucson
Have a flexible travel schedule? Discover the best time to fly to Tucson from Illinois with our price prediction graph.
MLI-TUS
ORD-TUS
MDW-TUS
PIA-TUS
BMI-TUS
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 Illinois to Tucson
USIL-TUS
MLI-TUS
ORD-TUS
MDW-TUS
PIA-TUS
What is the cheapest month to book a flight from Illinois to Tucson?
Currently, January is the cheapest month in which you can book a flight from Illinois to Tucson (average of $404). Flying from Illinois to Tucson in December is currently the most expensive (average of $571). 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 IL to TUS?
Find hourly flight availability from Illinois to Tucson. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 24, 2026.
When flying from Illinois to Tucson, 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 16% versus a flight at noon.
Weekly flight availability from Illinois to Tucson
Explore weekly flight availability from Illinois to Tucson. 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 24, 2026.
The most flights from USIL to TUS are scheduled on a Monday (2 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Illinois to Tucson?
Airfare is below average for this route at the moment.
Illinois to Tucson flights typically cost between $374 and $612 in December.The cheapest round-trip price found within the last 5 days was $325 on Sun Country Air (Dec 17-Dec 28).
How far ahead should I book a flight from Illinois to Tucson?
The best time to book flights from Illinois to Tucson 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.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Tucson. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Tucson?
Book flights to Tucson if you plan to visit one of these locationsSierra Vista
Bisbee
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Alternative routes for Illinois to Tucson
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Complete your trip
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Search flights from Illinois to Tucson by cabin class
Find flights from Illinois to Tucson, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Tucson flights
Browse other Illinois and Tucson flight options. Last updated on September 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Illinois to Tucson flights
Consider these flights traveling from Illinois to Tucson.
Other flights to Tucson
Explore flights to Tucson departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 24, 2026.
Top 4 airlines flying from Illinois to Tucson
Discover the top 4 airlines that operate flights from Illinois to Tucson. 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 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$268 | Average$467 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$268 | Average$512 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$316 | Average$484 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$328 | Average$590 | FlexibilityNo cancel fee | On-timeN/A |