$147+ Cheap flights from Tucson (TUS) to Illinois
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — ORD
Sep 9 — Sep 161
Round-trip
1 adult, Economy
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Find cheap flights from Tucson to Illinois with Cheapflights
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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 August 10, 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 August 10, 2026.
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:05 am -
2 stops14h 50m
Tue 12/11:20 pm -
2 stops9h 30m
Deal found 8/9![Southwest logo]()
$304
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:40 am -
2 stops8h 10m
Sat 9/122:05 pm -
1 stop7h 35m
Deal found 8/9![Southwest logo]()
$305
This American Airlines deal was found by Cheapflights users on 8/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:09 pm -
2 stops9h 56m
Sat 9/2612:08 pm -
1 stop7h 09m
Deal found 8/5![American Airlines logo]()
$335
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Sat 9/51:17 pm -
1 stop6h 54m
Fri 9/114:33 pm -
1 stop7h 12m
Deal found 8/7![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:18 pm -
1 stop7h 29m
Sat 9/125:02 am -
1 stop8h 35m
Deal found 8/6![American Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/203:40 pm -
1 stop7h 15m
Mon 11/237:25 am -
1 stop6h 55m
Deal found 8/9![Southwest logo]()
$342
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/59:15 am -
2 stops11h 59m
Fri 9/112:08 pm -
2 stops8h 27m
Deal found 8/9![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:50 am -
1 stop5h 40m
Fri 9/116:00 pm -
1 stop5h 45m
Deal found 8/6![Southwest logo]()
$350
This American Airlines deal was found by Cheapflights users on 8/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:25 am -
1 stop5h 12m
Fri 9/117:00 am -
1 stop7h 15m
Deal found 8/9![American Airlines logo]()
$355
This American Airlines deal was found by Cheapflights users on 8/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:56 am -
1 stop7h 51m
Mon 11/232:23 pm -
1 stop5h 51m
Deal found 8/5![American Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/51:29 pm -
1 stop5h 17m
Fri 9/111:36 pm -
2 stops9h 34m
Deal found 8/9![United Airlines logo]()
$360
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/237:30 am -
Nonstop3h 10m
Tue 12/16:05 am -
1 stop5h 45m
Deal found 8/9![Southwest logo]()
$369
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 August 10, 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 August 10, 2026.
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Sat 9/51:17 pm -
1 stop6h 54m
Fri 9/114:33 pm -
1 stop7h 12m
Deal found 8/7![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/59:15 am -
2 stops11h 59m
Fri 9/112:08 pm -
2 stops8h 27m
Deal found 8/9![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:30 pm -
1 stop4h 55m
Tue 10/204:55 pm -
1 stop7h 05m
Deal found 8/6![Southwest logo]()
$385
This Delta deal was found by Cheapflights users on 8/9. 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.
Fri 10/234:45 pm -
2 stops14h 08m
Sat 10/245:00 pm -
1 stop20h 12m
Deal found 8/9![Delta logo]()
$388
This American Airlines deal was found by Cheapflights users on 8/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:18 pm -
1 stop6h 50m
Sat 9/264:24 pm -
1 stop6h 06m
Deal found 8/5![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1011:45 am -
2 stops10h 18m
Sat 9/125:02 am -
2 stops9h 18m
Deal found 8/6![American Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/212:00 pm -
1 stop7h 15m
Wed 9/232:45 pm -
2 stops7h 55m
Deal found 8/7![Southwest logo]()
$390
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/81:30 pm -
1 stop6h 33m
Sat 12/122:26 pm -
2 stops8h 16m
Deal found 8/6![United Airlines logo]()
$416
This Delta deal was found by Cheapflights users on 8/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:00 am -
1 stop8h 51m
Fri 9/113:40 pm -
1 stop7h 46m
Deal found 8/5![Delta logo]()
$417
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/57:30 pm -
1 stop7h 55m
Sun 11/85:20 pm -
2 stops6h 45m
Deal found 8/9![Southwest logo]()
$402
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/81:29 pm -
1 stop6h 30m
Fri 9/119:00 am -
Nonstop4h 13m
Deal found 8/6![United Airlines logo]()
$417
This American Airlines deal was found by Cheapflights users on 8/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/292:04 pm -
1 stop4h 48m
Tue 10/67:10 pm -
1 stop6h 16m
Deal found 8/5![American Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:29 pm -
1 stop9h 02m
Fri 9/112:05 pm -
1 stop9h 35m
Deal found 8/6![Delta logo]()
$427
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:45 am -
Nonstop3h 15m
Sun 11/112:20 pm -
Nonstop3h 45m
Deal found 8/9![Southwest logo]()
$403
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Tue 2/29:45 am -
2 stops12h 19m
Sat 2/62:26 pm -
2 stops8h 16m
Deal found 8/5![United Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:00 am -
2 stops12h 33m
Wed 9/161:51 pm -
1 stop9h 26m
Deal found 8/7![Delta logo]()
$432
This American Airlines deal was found by Cheapflights users on 8/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:09 pm -
2 stops9h 56m
Sat 9/266:00 am -
2 stops8h 20m
Deal found 8/5![American Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:40 am -
1 stop7h 25m
Fri 9/114:25 pm -
1 stop7h 35m
Deal found 8/7![Southwest logo]()
$417
This United Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:44 am -
1 stop6h 47m
Wed 9/98:13 am -
2 stops10h 50m
Deal found 8/6![United Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 8/8. 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 9/196:35 am -
2 stops13h 03m
Thu 9/242:50 pm -
1 stop8h 00m
Deal found 8/8![Delta logo]()
$451
This American Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 9/1011:52 am -
2 stops10h 13m
Mon 9/144:33 pm -
1 stop5h 57m
Deal found 8/8![American Airlines logo]()
$411
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:00 pm -
1 stop6h 55m
Sun 9/137:10 am -
1 stop8h 20m
Deal found 8/9![Southwest logo]()
$422
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sun 9/205:30 am -
1 stop5h 10m
Wed 9/231:36 pm -
2 stops9h 29m
Deal found 8/7![United Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 8/8. 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.
Wed 10/286:40 am -
2 stops13h 20m
Mon 11/21:55 pm -
2 stops10h 00m
Deal found 8/8![Delta logo]()
$456
This Southwest deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:30 am -
2 stops8h 30m
Mon 11/162:35 pm -
2 stops6h 45m
Deal found 8/6![Southwest logo]()
$424
This American Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/41:17 pm -
1 stop7h 36m
Mon 9/74:49 pm -
1 stop6h 37m
Deal found 8/6![American Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 8/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 am -
2 stops11h 30m
Mon 8/315:30 am -
1 stop8h 48m
Deal found 8/5![Delta logo]()
$458
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Fri 9/41:29 pm -
1 stop6h 31m
Fri 9/117:00 am -
1 stop7h 27m
Deal found 8/7![United Airlines logo]()
$459
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:15 pm -
1 stop6h 00m
Tue 10/138:35 am -
2 stops6h 50m
Deal found 8/9![Southwest logo]()
$432
This American Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:52 am -
2 stops10h 11m
Fri 10/93:58 pm -
1 stop6h 25m
Deal found 8/6![American Airlines logo]()
$444
Last-minute flights from Tucson to IllinoisDiscover last-minute flight deals from Tucson to Illinois. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from Tucson to Illinois. Data last updated August 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/7. 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 9/33:58 pm -
1 stop5h 44m
Mon 9/75:42 am -
1 stop5h 02m
Deal found 8/7![American Airlines logo]()
$385
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:40 am -
2 stops8h 10m
Sat 9/122:05 pm -
1 stop7h 35m
Deal found 8/9![Southwest logo]()
$305
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Sat 9/51:17 pm -
1 stop6h 54m
Fri 9/114:33 pm -
1 stop7h 12m
Deal found 8/7![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/59:15 am -
2 stops11h 59m
Fri 9/112:08 pm -
2 stops8h 27m
Deal found 8/9![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:50 am -
1 stop5h 40m
Fri 9/116:00 pm -
1 stop5h 45m
Deal found 8/6![Southwest logo]()
$350
This American Airlines deal was found by Cheapflights users on 8/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:25 am -
1 stop5h 12m
Fri 9/117:00 am -
1 stop7h 15m
Deal found 8/9![American Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/51:29 pm -
1 stop5h 17m
Fri 9/111:36 pm -
2 stops9h 34m
Deal found 8/9![United Airlines logo]()
$360
This American Airlines deal was found by Cheapflights users on 8/8. 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 9/912:09 pm -
1 stop4h 58m
Tue 9/157:27 am -
1 stop6h 10m
Deal found 8/8![American Airlines logo]()
$397
This American Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:18 pm -
1 stop7h 29m
Sat 9/125:02 am -
1 stop8h 35m
Deal found 8/6![American Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 8/8. 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.
Thu 9/101:18 pm -
1 stop8h 00m
Mon 9/144:33 pm -
1 stop7h 12m
Deal found 8/8![American Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 8/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2512:09 pm -
2 stops9h 56m
Sat 9/2612:08 pm -
1 stop7h 09m
Deal found 8/5![American Airlines logo]()
$335
This Southwest deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:35 am -
1 stop7h 30m
Wed 10/76:30 am -
2 stops8h 55m
Deal found 8/7![Southwest logo]()
$390
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 August 10, 2026.
Search for one-way flight options from Tucson to Illinois. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/294:30 pm -
1 stop8h 05m
Deal found 8/9![Southwest logo]()
$147
This Sun Country Air deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/37:34 pm -
1 stop21h 03m
Deal found 8/6![Sun Country Air logo]()
$188
This Delta deal was found by Cheapflights users on 8/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2911:20 am -
1 stop7h 40m
Deal found 8/5![Delta logo]()
$193
This Southwest deal was found by Cheapflights users on 8/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:40 pm -
1 stop7h 50m
Deal found 8/9![Southwest logo]()
$195
This Delta deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:29 am -
1 stop13h 03m
Deal found 8/6![Delta logo]()
$197
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Sat 8/299:15 am -
2 stops11h 44m
Deal found 8/5![United Airlines logo]()
$198
This Sun Country Air deal was found by Cheapflights users on 8/8. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/177:28 pm -
1 stop22h 12m
Deal found 8/8![Sun Country Air logo]()
$198
This Southwest deal was found by Cheapflights users on 8/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/113:10 pm -
1 stop4h 55m
Deal found 8/8![Southwest logo]()
$199
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Sun 9/610:44 am -
Nonstop3h 46m
Deal found 8/9![United Airlines logo]()
$199
This Delta deal was found by Cheapflights users on 8/9. 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.
Tue 10/612:26 pm -
2 stops18h 18m
Deal found 8/9![Delta logo]()
$203
This Delta deal was found by Cheapflights users on 8/7. 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.
Mon 10/54:42 pm -
2 stops14h 11m
Deal found 8/7![Delta logo]()
$203
This Delta deal was found by Cheapflights users on 8/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:28 pm -
1 stop7h 08m
Deal found 8/7![Delta 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 August 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $335 (American Airlines) |
One-way from | $147 (Southwest) |
Popular in | April |
Cheapest in | February |
Average price | $409 |
Good round-trip deal | $397 or less |
Good one-way deal | $173 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 2,558,603 searches. Data last updated August 10, 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
TucsonMoline
TUS Tucson - MLI Moline Quad-City
TUSMLI
Tucson
Sat 9/5
1:17 pm-10:11 pm
1 stop6h 54m
Moline Quad-City
Fri 9/11
4:33 pm-9:45 pm
1 stop7h 12m
$339
TucsonBloomington
TUS Tucson - BMI Bloomington-Normal
TUSBMI
Tucson
Wed 9/23
1:18 pm-10:08 pm
1 stop6h 50m
Bloomington-Normal
Sat 9/26
4:24 pm-8:30 pm
1 stop6h 06m
$339
TucsonMoline
TUS Tucson - MLI Moline Quad-City
TUSMLI
Tucson
Sat 9/5
9:15 am-11:14 pm
2 stops11h 59m
Moline Quad-City
Fri 9/11
2:08 pm-8:35 pm
2 stops8h 27m
$349
TucsonBloomington
TUS Tucson - BMI Bloomington-Normal
TUSBMI
Tucson
Thu 9/10
11:45 am-12:03 am
2 stops10h 18m
Bloomington-Normal
Sat 9/12
5:02 am-12:20 pm
2 stops9h 18m
$349
TucsonSt. Louis
TUS Tucson - STL Lambert-St Louis
TUSSTL
Tucson
Wed 10/14
4:30 pm-11:25 pm
1 stop4h 55m
Lambert-St Louis
Tue 10/20
4:55 pm-10:00 pm
1 stop7h 05m
$385
TucsonSt. Louis
TUS Tucson - STL Lambert-St Louis
TUSSTL
Tucson
Tue 9/29
2:04 pm-8:52 pm
1 stop4h 48m
Lambert-St Louis
Tue 10/6
7:10 pm-11:26 pm
1 stop6h 16m
$385
TucsonChicago
TUS Tucson - ORD Chicago O'Hare Intl
TUSORD
Tucson
Fri 10/23
4:45 pm-8:53 am
2 stops14h 08m
Chicago O'Hare Intl
Sat 10/24
5:00 pm-11:12 am
1 stop20h 12m
$388
TucsonSt. Louis
TUS Tucson - STL Lambert-St Louis
TUSSTL
Tucson
Mon 9/21
2:00 pm-11:15 pm
1 stop7h 15m
Lambert-St Louis
Wed 9/23
2:45 pm-8:40 pm
2 stops7h 55m
$390
TucsonMoline
TUS Tucson - MLI Moline Quad-City
TUSMLI
Tucson
Fri 9/25
12:09 pm-12:05 am
2 stops9h 56m
Moline Quad-City
Sat 9/26
6:00 am-12:20 pm
2 stops8h 20m
$396
TucsonChicago
TUS Tucson - MDW Chicago Midway
TUSMDW
Tucson
Thu 11/5
7:30 pm-4:25 am
1 stop7h 55m
Chicago Midway
Sun 11/8
5:20 pm-11:05 pm
2 stops6h 45m
$402
Showing 1-10 of 57 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-MLI
TUS-BMI
TUS-STL
TUS-ORD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Tucson to Illinois
TUS-USIL
TUS-MDW
TUS-MLI
TUS-BMI
TUS-STL
What is the cheapest month to book a flight from Tucson to Illinois?
Currently, September is the cheapest month in which you can book a flight from Tucson to Illinois (average of $381). Flying from Tucson to Illinois in April is currently the most expensive (average of $515). 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 August 10, 2026.
It’s typically best to fly out from Tucson to Illinois at noon. Doing so could potentially save you 39% 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 August 10, 2026.
The most flights from TUS to USIL are scheduled on a Monday (12 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (9 on average).
How much does it cost to fly round-trip from Tucson to Illinois?
Airfare is typical for this route at the moment.
Tucson to Illinois flights typically cost between $325 and $584 in September.The cheapest round-trip price found within the last 5 days was $383 on Delta (Sep 26-Oct 10).
How far ahead should I book a flight from Tucson to Illinois?
The best time to book flights from Tucson to Illinois is 88 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 August 8, 2026.
Travelers seeking maximum savings on their Tucson to Illinois flight should consider departing on Thursday afternoons when fares are most often at their lowest. Monday 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 August 10, 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.
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Food
7.0
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
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
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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 August 10, 2026.
Popular flight searches
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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 2,558,603 searches. Data last updated August 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$156 | Average$254 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$217 | Average$437 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$268 | Average$462 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$327 | Average$489 | FlexibilityNo cancel fee | On-time69% |