$155+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — ORD
Jul 28 — Aug 41
Round-trip
1 adult, Economy
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Find cheap flights from Tucson to Illinois with Cheapflights
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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 June 28, 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 June 28, 2026.
This Southwest deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 10/225:35 am
TUS
- MDW
Nonstop3h 10m
Southwest
Sun 10/2511:05 am
MDW
- TUS
Nonstop3h 35m
Southwest
Deal found 6/27![Southwest logo]()
$309
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:19 pm
TUS
- ORD
Nonstop3h 57m
American Airlines
Tue 8/259:46 am
ORD
- TUS
Nonstop3h 43m
American Airlines
Deal found 6/24![American Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 7/216:39 am
TUS
- ORD
Nonstop3h 47m
American Airlines
Wed 7/299:00 pm
ORD
- TUS
Nonstop3h 43m
American Airlines
Deal found 6/28![American Airlines logo]()
$310
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:35 pm
TUS
- ORD
Nonstop3h 54m
American Airlines
Thu 7/235:00 am
ORD
- TUS
1 stop5h 38m
American Airlines
Deal found 6/25![American Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 10/134:35 pm
TUS
- MDW
1 stop5h 30m
Southwest
Fri 10/303:55 pm
MDW
- TUS
Nonstop3h 40m
Southwest
Deal found 6/26![Southwest logo]()
$319
This Southwest deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 10/277:25 am
TUS
- MDW
Nonstop3h 15m
Southwest
Fri 10/307:55 am
MDW
- TUS
2 stops8h 30m
Southwest
Deal found 6/26![Southwest logo]()
$324
This Delta deal was found by Cheapflights users on 6/23. 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.
Tue 8/181:28 pm
TUS
- MDW
1 stop7h 08m
Delta
Tue 9/16:05 am
MDW
- TUS
1 stop8h 13m
Delta
Deal found 6/23![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:33 pm
TUS
- ORD
1 stop9h 15m
Delta
Sat 9/192:05 pm
ORD
- TUS
1 stop9h 34m
Delta
Deal found 6/25![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 6/23. 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.
Tue 8/187:25 am
TUS
- MDW
2 stops7h 40m
Southwest
Tue 8/259:25 am
MDW
- TUS
1 stop6h 05m
Southwest
Deal found 6/23![Southwest logo]()
$334
This American Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/295:45 am
TUS
- STL
1 stop6h 08m
American Airlines
Tue 8/45:32 am
STL
- TUS
1 stop5h 06m
American Airlines
Deal found 6/27![American Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 7/211:49 pm
TUS
- STL
1 stop6h 26m
Delta
Wed 7/292:30 pm
STL
- TUS
1 stop8h 59m
Delta
Deal found 6/26![Delta logo]()
$347
This Southwest deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 9/232:10 pm
TUS
- MDW
1 stop6h 40m
Southwest
Thu 10/13:55 pm
MDW
- TUS
Nonstop3h 40m
Southwest
Deal found 6/27![Southwest logo]()
$349
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 June 28, 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 June 28, 2026.
This United Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:20 am
TUS
- ORD
Nonstop3h 45m
United Airlines
Sat 8/87:45 pm
ORD
- TUS
Nonstop4h 26m
United Airlines
Deal found 6/25![United Airlines logo]()
$309
This Southwest deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 7/242:25 pm
TUS
- MDW
1 stop8h 15m
Southwest
Tue 7/286:55 pm
MDW
- TUS
1 stop5h 55m
Southwest
Deal found 6/26![Southwest logo]()
$329
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/141:28 pm
TUS
- MDW
1 stop7h 08m
Delta
Mon 8/175:10 pm
MDW
- TUS
1 stop6h 31m
Delta
Deal found 6/23![Delta logo]()
$329
This American Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 10/63:54 pm
TUS
- MLI
1 stop5h 31m
American Airlines
Wed 10/146:33 pm
MLI
- TUS
1 stop7h 21m
American Airlines
Deal found 6/26![American Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:25 am
TUS
- MDW
1 stop8h 35m
Southwest
Tue 8/2510:20 am
MDW
- TUS
1 stop8h 05m
Southwest
Deal found 6/24![Southwest logo]()
$329
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:12 am
TUS
- ORD
1 stop9h 07m
Delta
Sat 8/86:40 am
ORD
- TUS
1 stop7h 38m
Delta
Deal found 6/25![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 6/23. 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.
Thu 8/209:55 am
TUS
- MDW
1 stop6h 30m
Southwest
Sun 8/236:30 am
MDW
- TUS
1 stop5h 15m
Southwest
Deal found 6/23![Southwest logo]()
$329
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 8/186:29 am
TUS
- ORD
2 stops13h 01m
Delta
Fri 9/186:40 am
ORD
- TUS
1 stop7h 55m
Delta
Deal found 6/26![Delta logo]()
$334
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/93:57 pm
TUS
- MLI
1 stop5h 33m
American Airlines
Wed 7/156:08 am
MLI
- TUS
1 stop7h 37m
American Airlines
Deal found 6/25![American Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1111:55 am
TUS
- MDW
1 stop5h 05m
Southwest
Tue 9/153:10 pm
MDW
- TUS
2 stops7h 25m
Southwest
Deal found 6/24![Southwest logo]()
$334
This Delta deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:12 am
TUS
- ORD
1 stop9h 07m
Delta
Tue 8/2511:22 am
ORD
- TUS
2 stops12h 19m
Delta
Deal found 6/24![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 12/51:30 pm
TUS
- MLI
1 stop6h 33m
United Airlines
Tue 12/81:00 pm
MLI
- TUS
2 stops9h 42m
United Airlines
Deal found 6/26![United Airlines logo]()
$406
This Southwest deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 8/411:10 am
TUS
- MDW
1 stop6h 40m
Southwest
Tue 8/112:15 pm
MDW
- TUS
2 stops8h 10m
Southwest
Deal found 6/26![Southwest logo]()
$334
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:29 am
TUS
- ORD
2 stops9h 50m
Delta
Sun 8/235:30 am
ORD
- TUS
1 stop8h 48m
Delta
Deal found 6/23![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 10/241:40 pm
TUS
- MLI
1 stop5h 08m
United Airlines
Wed 10/288:20 am
MLI
- TUS
2 stops8h 45m
United Airlines
Deal found 6/27![United Airlines logo]()
$415
This American Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 7/1112:20 pm
TUS
- CMI
1 stop6h 42m
American Airlines
Wed 7/156:04 am
CMI
- TUS
1 stop7h 41m
American Airlines
Deal found 6/26![American Airlines logo]()
$436
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/303:15 pm
TUS
- MDW
1 stop7h 00m
Southwest
Tue 8/44:40 pm
MDW
- TUS
2 stops7h 15m
Southwest
Deal found 6/25![Southwest logo]()
$334
This Delta deal was found by Cheapflights users on 6/23. 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.
Wed 8/56:29 am
TUS
- ORD
2 stops13h 01m
Delta
Sun 8/96:40 am
ORD
- TUS
1 stop7h 38m
Delta
Deal found 6/23![Delta logo]()
$334
This United Airlines deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 9/16:30 am
TUS
- STL
1 stop5h 45m
United Airlines
Wed 9/21:36 pm
STL
- TUS
1 stop5h 27m
United Airlines
Deal found 6/26![United Airlines logo]()
$431
This Southwest deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 8/187:25 am
TUS
- MDW
2 stops7h 45m
Southwest
Fri 9/188:00 am
MDW
- TUS
2 stops7h 20m
Southwest
Deal found 6/26![Southwest logo]()
$339
This American Airlines deal was found by Cheapflights users on 6/23. 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.
Wed 7/1511:37 am
TUS
- STL
2 stops8h 15m
American Airlines
Sat 7/185:28 pm
STL
- TUS
2 stops7h 14m
American Airlines
Deal found 6/23![American Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 9/236:35 am
TUS
- ORD
1 stop8h 48m
Delta
Thu 10/19:45 am
ORD
- TUS
2 stops13h 59m
Delta
Deal found 6/27![Delta logo]()
$364
This Southwest deal was found by Cheapflights users on 6/23. 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 8/57:00 am
TUS
- MDW
2 stops7h 00m
Southwest
Wed 8/194:40 pm
MDW
- TUS
2 stops7h 15m
Southwest
Deal found 6/23![Southwest logo]()
$339
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Fri 9/189:15 am
TUS
- STL
1 stop5h 19m
United Airlines
Fri 9/251:29 pm
STL
- TUS
2 stops9h 41m
United Airlines
Deal found 6/23![United Airlines logo]()
$452
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 7/297:00 am
TUS
- EVV
1 stop7h 43m
American Airlines
Sun 8/25:19 am
EVV
- TUS
1 stop5h 19m
American Airlines
Deal found 6/28![American Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 8/41:28 pm
TUS
- ORD
1 stop8h 29m
Delta
Tue 8/112:00 pm
ORD
- TUS
2 stops8h 56m
Delta
Deal found 6/26![Delta logo]()
$364
This Southwest deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 9/232:10 pm
TUS
- MDW
1 stop6h 40m
Southwest
Thu 10/13:55 pm
MDW
- TUS
Nonstop3h 40m
Southwest
Deal found 6/27![Southwest logo]()
$349
This Delta deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:20 am
TUS
- ORD
2 stops13h 09m
Delta
Wed 7/156:30 am
ORD
- TUS
2 stops11h 20m
Delta
Deal found 6/24![Delta logo]()
$369
This Southwest deal was found by Cheapflights users on 6/23. 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.
Sat 8/297:50 am
TUS
- STL
1 stop5h 40m
Southwest
Mon 8/316:25 am
STL
- TUS
1 stop6h 50m
Southwest
Deal found 6/23![Southwest logo]()
$356
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/277:00 am
TUS
- EVV
1 stop7h 43m
American Airlines
Sun 8/26:58 am
EVV
- TUS
1 stop6h 47m
American Airlines
Deal found 6/25![American Airlines logo]()
$527
Last-minute flights from Tucson to IllinoisDiscover last-minute flight deals from Tucson to Illinois. Data last updated June 28, 2026 and is based on user searches.
Discover last-minute flight deals from Tucson to Illinois. Data last updated June 28, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:35 pm
TUS
- ORD
Nonstop3h 54m
American Airlines
Fri 7/318:59 pm
ORD
- TUS
Nonstop3h 43m
American Airlines
Deal found 6/24![American Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:35 pm
TUS
- ORD
Nonstop3h 54m
American Airlines
Thu 7/235:00 am
ORD
- TUS
1 stop5h 38m
American Airlines
Deal found 6/25![American Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:30 pm
TUS
- ORD
1 stop8h 48m
Delta
Thu 7/232:42 pm
ORD
- TUS
1 stop8h 17m
Delta
Deal found 6/25![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 7/172:25 pm
TUS
- MDW
1 stop8h 15m
Southwest
Sun 7/196:10 am
MDW
- TUS
1 stop6h 15m
Southwest
Deal found 6/26![Southwest logo]()
$359
This American Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 7/216:39 am
TUS
- ORD
Nonstop3h 47m
American Airlines
Wed 7/299:00 pm
ORD
- TUS
Nonstop3h 43m
American Airlines
Deal found 6/28![American Airlines logo]()
$310
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 7/214:47 pm
TUS
- MDW
2 stops14h 26m
Delta
Wed 7/299:54 am
MDW
- TUS
2 stops8h 12m
Delta
Deal found 6/26![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 7/211:49 pm
TUS
- STL
1 stop6h 26m
Delta
Wed 7/292:30 pm
STL
- TUS
1 stop8h 59m
Delta
Deal found 6/26![Delta logo]()
$347
This Southwest deal was found by Cheapflights users on 6/23. 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.
Tue 7/214:55 pm
TUS
- STL
1 stop4h 40m
Southwest
Tue 7/285:20 pm
STL
- TUS
2 stops7h 30m
Southwest
Deal found 6/23![Southwest logo]()
$352
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/232:59 pm
TUS
- ORD
1 stop7h 52m
American Airlines
Sun 7/268:59 pm
ORD
- TUS
Nonstop3h 43m
American Airlines
Deal found 6/24![American Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 6/23. 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 7/242:25 pm
TUS
- MDW
1 stop8h 15m
Southwest
Fri 7/314:55 pm
MDW
- TUS
1 stop8h 35m
Southwest
Deal found 6/23![Southwest logo]()
$329
This Southwest deal was found by Cheapflights users on 6/23. 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 7/242:25 pm
TUS
- MDW
1 stop8h 15m
Southwest
Sun 7/2610:25 pm
MDW
- TUS
1 stop12h 35m
Southwest
Deal found 6/23![Southwest logo]()
$334
This American Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/295:45 am
TUS
- STL
1 stop6h 08m
American Airlines
Tue 8/45:32 am
STL
- TUS
1 stop5h 06m
American Airlines
Deal found 6/27![American Airlines logo]()
$344
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 June 28, 2026.
Search for one-way flight options from Tucson to Illinois. Find affordable one-way fares based on user searches. Data last updated June 28, 2026.
This Southwest deal was found by Cheapflights users on 6/23. 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.
Sat 11/1410:20 am
TUS
- MDW
Nonstop3h 10m
Southwest
Deal found 6/23![Southwest logo]()
$155
This Delta deal was found by Cheapflights users on 6/23. 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 8/226:00 am
TUS
- MDW
1 stop7h 38m
Delta
Deal found 6/23![Delta logo]()
$165
This Delta deal was found by Cheapflights users on 6/23. 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.
Tue 7/2112:30 pm
TUS
- ORD
1 stop8h 48m
Delta
Deal found 6/23![Delta logo]()
$165
This Delta deal was found by Cheapflights users on 6/23. 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.
Tue 7/214:47 pm
TUS
- MDW
2 stops14h 26m
Delta
Deal found 6/23![Delta logo]()
$170
This Southwest deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 10/56:15 pm
TUS
- STL
1 stop5h 40m
Southwest
Deal found 6/26![Southwest logo]()
$171
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:40 am
TUS
- STL
1 stop6h 57m
American Airlines
Deal found 6/24![American Airlines logo]()
$174
This Southwest deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/258:10 am
TUS
- MDW
Nonstop3h 15m
Southwest
Deal found 6/24![Southwest logo]()
$185
This American Airlines deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:25 am
TUS
- STL
1 stop5h 12m
American Airlines
Deal found 6/25![American Airlines logo]()
$188
This American Airlines deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:27 pm
TUS
- ORD
Nonstop3h 51m
American Airlines
Deal found 6/24![American Airlines logo]()
$189
This American Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 8/2412:19 pm
TUS
- ORD
Nonstop3h 57m
American Airlines
Deal found 6/27![American Airlines logo]()
$192
This Southwest deal was found by Cheapflights users on 6/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:55 am
TUS
- STL
2 stops6h 15m
Southwest
Deal found 6/25![Southwest logo]()
$193
This Southwest deal was found by Cheapflights users on 6/23. 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.
Mon 7/132:25 pm
TUS
- MDW
1 stop8h 15m
Southwest
Deal found 6/23![Southwest logo]()
$195
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 June 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $309 (Southwest) |
One-way from | $155 (Southwest) |
Popular in | April |
Cheapest in | August |
Average price | $448 |
Good round-trip deal | $415 or less |
Good one-way deal | $245 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 June 28, 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
Quickest round-trip
TucsonChicago
TUS - ORD
TUSORD
Tucson
Mon 8/3
7:20 am-1:05 pm
Nonstop3h 45m
Chicago O'Hare Intl
Sat 8/8
7:45 pm-10:11 pm
Nonstop4h 26m
$309
TucsonChicago
TUS - MDW
TUSMDW
Tucson
Fri 7/24
2:25 pm-12:40 am
1 stop8h 15m
Chicago Midway
Tue 7/28
6:55 pm-10:50 pm
1 stop5h 55m
$329
TucsonChicago
TUS - MDW
TUSMDW
Tucson
Fri 8/14
1:28 pm-10:36 pm
1 stop7h 08m
Chicago Midway
Mon 8/17
5:10 pm-9:41 pm
1 stop6h 31m
$329
TucsonChicago
TUS - MDW
TUSMDW
Tucson
Tue 8/18
9:25 am-8:00 pm
1 stop8h 35m
Chicago Midway
Tue 8/25
10:20 am-4:25 pm
1 stop8h 05m
$329
TucsonChicago
TUS - ORD
TUSORD
Tucson
Mon 8/3
7:12 am-6:19 pm
1 stop9h 07m
Chicago O'Hare Intl
Sat 8/8
6:40 am-12:18 pm
1 stop7h 38m
$329
TucsonChicago
TUS - MDW
TUSMDW
Tucson
Thu 8/20
9:55 am-6:25 pm
1 stop6h 30m
Chicago Midway
Sun 8/23
6:30 am-9:45 am
1 stop5h 15m
$329
TucsonChicago
TUS - ORD
TUSORD
Tucson
Tue 8/18
6:29 am-9:30 pm
2 stops13h 01m
Chicago O'Hare Intl
Fri 9/18
6:40 am-12:35 pm
1 stop7h 55m
$334
TucsonChicago
TUS - MDW
TUSMDW
Tucson
Fri 9/11
11:55 am-7:00 pm
1 stop5h 05m
Chicago Midway
Tue 9/15
3:10 pm-8:35 pm
2 stops7h 25m
$334
TucsonChicago
TUS - ORD
TUSORD
Tucson
Tue 8/18
7:12 am-6:19 pm
1 stop9h 07m
Chicago O'Hare Intl
Tue 8/25
11:22 am-9:41 pm
2 stops12h 19m
$334
TucsonChicago
TUS - MDW
TUSMDW
Tucson
Tue 8/4
11:10 am-7:50 pm
1 stop6h 40m
Chicago Midway
Tue 8/11
2:15 pm-8:25 pm
2 stops8h 10m
$334
Showing 1-10 of 60 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-ORD
TUS-MDW
TUS-STL
TUS-MLI
TUS-EVV
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-ORD
TUS-MDW
TUS-STL
TUS-MLI
What is the cheapest month to book a flight from Tucson to Illinois?
Currently, July is the cheapest month in which you can book a flight from Tucson to Illinois (average of $115). Flying from Tucson to Illinois in April is currently the most expensive (average of $307). 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 June 28, 2026.
It’s typically best to fly out from Tucson to Illinois at noon. Doing so could potentially save you 49% 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 June 28, 2026.
The most flights from TUS to USIL are scheduled on a Monday (12 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 Tucson to Illinois?
How far ahead should I book a flight from Tucson to Illinois?
The best time to book flights from Tucson to Illinois is 87 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 June 27, 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 June 28, 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
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
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 June 28, 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 2,558,603 searches. Data last updated June 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$168 | Average$254 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$217 | Average$426 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$268 | Average$473 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$311 | Average$493 | FlexibilityNo cancel fee | On-time69% |