$63+ Cheap flights from Utah 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ORD
Jun 19 — Jun 261
Round-trip
1 adult, Economy
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Find cheap flights from Utah to Illinois with Cheapflights
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Cheapest flights from Utah to IllinoisExplore the most affordable flight options available from Utah to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2026.
Explore the most affordable flight options available from Utah to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2026.
This Travelocity deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:50 pm
SLC
- STL
1 stop19h 03m
Frontier
Tue 6/167:46 pm
STL
- SLC
1 stop14h 49m
Frontier
Deal found 5/17![Frontier logo]()
$190
This Booking.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/161:50 pm
SLC
- STL
1 stop28h 01m
Frontier
Tue 6/238:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 5/16![Frontier logo]()
$201
This Expedia deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/231:12 pm
SLC
- STL
1 stop5h 11m
Frontier
Sat 6/277:38 pm
STL
- SLC
1 stop21h 59m
Frontier
Deal found 5/17![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:41 pm
SLC
- STL
1 stop19h 42m
Frontier
Tue 9/1510:35 am
STL
- SLC
2 stops27h 01m
Frontier
Deal found 5/16![Frontier logo]()
$205
This Expedia deal was found by Cheapflights users on 5/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/11:50 pm
SLC
- STL
1 stop20h 28m
Frontier
Sun 7/52:52 pm
STL
- SLC
1 stop19h 34m
Frontier
Deal found 5/18![Frontier logo]()
$210
This Super.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2410:50 pm
SLC
- STL
1 stop19h 03m
Frontier
Thu 7/212:11 pm
STL
- SLC
1 stop22h 24m
Frontier
Deal found 5/15![Frontier logo]()
$218
This Expedia deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:50 pm
SLC
- STL
1 stop28h 46m
Frontier
Sun 8/238:08 pm
STL
- SLC
1 stop19h 48m
Frontier
Deal found 5/16![Frontier logo]()
$224
This Expedia deal was found by Cheapflights users on 5/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/910:41 pm
SLC
- STL
1 stop19h 42m
Frontier
Mon 7/138:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 5/18![Frontier logo]()
$228
This Expedia deal was found by Cheapflights users on 5/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/161:50 pm
SLC
- STL
1 stop23h 17m
Frontier
Sun 7/192:52 pm
STL
- SLC
1 stop19h 34m
Frontier
Deal found 5/18![Frontier logo]()
$229
This Frontier deal was found by Cheapflights users on 5/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:16 am
SLC
- STL
1 stop10h 07m
Frontier
Wed 8/193:33 pm
STL
- SLC
1 stop5h 47m
Frontier
Deal found 5/19![Frontier logo]()
$230
This Super.com deal was found by Cheapflights users on 5/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/181:12 pm
SLC
- STL
1 stop4h 41m
Frontier
Mon 6/227:38 pm
STL
- SLC
1 stop12h 53m
Frontier
Deal found 5/18![Frontier logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1710:50 pm
SLC
- ORD
1 stop20h 53m
Frontier
Tue 6/231:29 pm
ORD
- SLC
2 stops19h 02m
Frontier
Deal found 5/18![Frontier logo]()
$252
Best flights from Utah to IllinoisDiscover carefully curated flight deals from Utah to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 20, 2026.
Discover carefully curated flight deals from Utah to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 20, 2026.
This American Airlines deal was found by Cheapflights users on 5/18. 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.
Thu 5/284:56 pm
SLC
- MLI
1 stop5h 59m
American Airlines
Sat 5/304:24 pm
MLI
- SLC
1 stop7h 28m
American Airlines
Deal found 5/18![American Airlines logo]()
$304
This United Airlines deal was found by Cheapflights users on 5/19. 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.
Thu 6/44:18 pm
SLC
- PIA
1 stop6h 02m
United Airlines
Sat 6/64:45 pm
PIA
- SLC
1 stop7h 12m
United Airlines
Deal found 5/19![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/61:10 pm
SGU
- ORD
1 stop7h 40m
Delta
Sat 6/137:45 am
ORD
- SGU
1 stop7h 58m
Delta
Deal found 5/15![Delta logo]()
$388
This Southwest deal was found by Cheapflights users on 5/20. 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.
Sat 7/410:10 am
SLC
- MDW
Nonstop3h 00m
Southwest
Sat 7/114:50 pm
MDW
- SLC
1 stop8h 05m
Southwest
Deal found 5/20![Southwest logo]()
$405
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:23 am
SLC
- PIA
1 stop10h 07m
Multiple Airlines
Sun 6/711:07 am
PIA
- SLC
1 stop21h 31m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$474
This American Airlines deal was found by Cheapflights users on 5/20. 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 6/195:30 pm
SGU
- ORD
1 stop5h 58m
American Airlines
Fri 6/266:48 pm
ORD
- SGU
1 stop6h 27m
American Airlines
Deal found 5/20![American Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 5/18. 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 6/175:01 pm
SLC
- PIA
1 stop5h 33m
American Airlines
Tue 6/234:47 pm
PIA
- SLC
1 stop8h 49m
American Airlines
Deal found 5/18![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 7/225:40 pm
SLC
- ORD
Nonstop3h 08m
Delta
Sat 7/257:45 am
ORD
- SLC
Nonstop3h 30m
Delta
Deal found 5/17![Delta logo]()
$395
This United Airlines deal was found by Cheapflights users on 5/18. 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.
Thu 6/45:10 am
SLC
- MLI
1 stop6h 26m
United Airlines
Sat 6/63:47 pm
MLI
- SLC
2 stops7h 57m
United Airlines
Deal found 5/18![United Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 5/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:00 am
SLC
- MDW
2 stops8h 45m
Southwest
Tue 9/152:15 pm
MDW
- SLC
1 stop7h 15m
Southwest
Deal found 5/18![Southwest logo]()
$420
This Delta deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 6/105:45 pm
SLC
- ORD
Nonstop3h 12m
Delta
Tue 6/167:37 pm
ORD
- SLC
Nonstop3h 38m
Delta
Deal found 5/16![Delta logo]()
$404
This United Airlines deal was found by Cheapflights users on 5/19. 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.
Fri 7/105:41 pm
SGU
- ORD
1 stop6h 03m
United Airlines
Tue 7/145:00 am
ORD
- SGU
1 stop5h 51m
United Airlines
Deal found 5/19![United Airlines logo]()
$408
This American Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 7/1412:15 pm
SLC
- MLI
2 stops11h 26m
American Airlines
Wed 7/224:46 pm
MLI
- SLC
1 stop7h 13m
American Airlines
Deal found 5/15![American Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 5/19. 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.
Thu 7/28:30 pm
SLC
- MDW
1 stop7h 55m
Southwest
Tue 7/79:05 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 5/19![Southwest logo]()
$430
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 7/155:40 pm
SLC
- ORD
Nonstop3h 08m
Delta
Sat 7/187:35 am
ORD
- SLC
1 stop7h 52m
Delta
Deal found 5/15![Delta logo]()
$405
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 5/285:00 am
SLC
- MLI
2 stops7h 56m
United Airlines
Sun 5/315:39 pm
MLI
- SLC
1 stop6h 09m
United Airlines
Deal found 5/17![United Airlines logo]()
$410
This Southwest deal was found by Cheapflights users on 5/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/219:20 am
SLC
- STL
2 stops7h 25m
Southwest
Wed 7/298:30 am
STL
- SLC
2 stops8h 50m
Southwest
Deal found 5/18![Southwest logo]()
$441
This Delta deal was found by Cheapflights users on 5/19. 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 8/45:50 pm
SLC
- ORD
Nonstop3h 08m
Delta
Sat 8/89:20 am
ORD
- SLC
1 stop7h 43m
Delta
Deal found 5/19![Delta logo]()
$405
This American Airlines deal was found by Cheapflights users on 5/18. 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.
Tue 6/235:01 pm
SLC
- EVV
1 stop6h 20m
American Airlines
Tue 6/305:30 pm
EVV
- SLC
1 stop8h 06m
American Airlines
Deal found 5/18![American Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 7/181:48 pm
SGU
- ORD
1 stop6h 51m
United Airlines
Sat 7/258:45 am
ORD
- SGU
Nonstop3h 55m
United Airlines
Deal found 5/16![United Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 5/19. 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.
Fri 6/127:00 pm
SLC
- STL
1 stop5h 50m
Southwest
Tue 6/165:25 am
STL
- SLC
1 stop5h 50m
Southwest
Deal found 5/19![Southwest logo]()
$445
This Delta deal was found by Cheapflights users on 5/19. 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.
Wed 6/247:50 am
SLC
- ORD
Nonstop3h 10m
Delta
Wed 7/18:36 am
ORD
- SLC
1 stop6h 46m
Delta
Deal found 5/19![Delta logo]()
$405
This American Airlines deal was found by Cheapflights users on 5/19. 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 6/232:01 pm
SLC
- EVV
1 stop8h 30m
American Airlines
Wed 7/15:30 pm
EVV
- SLC
1 stop8h 06m
American Airlines
Deal found 5/19![American Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 5/20. 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.
Wed 9/236:45 am
SLC
- MDW
2 stops8h 15m
Southwest
Sun 9/275:40 am
MDW
- SLC
1 stop6h 10m
Southwest
Deal found 5/20![Southwest logo]()
$445
This Delta deal was found by Cheapflights users on 5/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:00 am
SLC
- MDW
1 stop5h 39m
Delta
Sat 8/89:59 am
MDW
- SLC
1 stop7h 12m
Delta
Deal found 5/18![Delta logo]()
$415
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 8/195:24 pm
SGU
- ORD
1 stop5h 35m
United Airlines
Sat 8/229:10 am
ORD
- SGU
Nonstop3h 48m
United Airlines
Deal found 5/15![United Airlines logo]()
$458
This American Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 7/34:56 pm
SLC
- EVV
1 stop6h 03m
American Airlines
Sat 7/115:14 pm
EVV
- SLC
1 stop8h 22m
American Airlines
Deal found 5/16![American Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 5/20. 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 8/35:00 am
SLC
- MDW
1 stop8h 15m
Southwest
Sat 8/88:00 am
MDW
- SLC
2 stops9h 50m
Southwest
Deal found 5/20![Southwest logo]()
$445
This Delta deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 5/235:45 pm
SLC
- ORD
Nonstop3h 05m
Delta
Wed 5/272:11 pm
ORD
- SLC
Nonstop3h 29m
Delta
Deal found 5/16![Delta logo]()
$417
This American Airlines deal was found by Cheapflights users on 5/18. 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.
Tue 6/235:01 pm
SLC
- EVV
1 stop6h 20m
American Airlines
Sat 6/274:34 pm
EVV
- SLC
1 stop7h 18m
American Airlines
Deal found 5/18![American Airlines logo]()
$419
Last-minute flights from Utah to IllinoisDiscover last-minute flight deals from Utah to Illinois. Data last updated May 20, 2026 and is based on user searches.
Discover last-minute flight deals from Utah to Illinois. Data last updated May 20, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:32 pm
SLC
- STL
1 stop27h 34m
Frontier
Sat 6/68:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 5/17![Frontier logo]()
$250
This Expedia deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/48:23 am
SLC
- STL
1 stop10h 00m
Frontier
Sat 6/66:30 pm
STL
- SLC
1 stop16h 00m
Frontier
Deal found 5/15![Frontier logo]()
$244
This Travelocity deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1010:50 pm
SLC
- STL
1 stop19h 03m
Frontier
Tue 6/167:46 pm
STL
- SLC
1 stop14h 49m
Frontier
Deal found 5/17![Frontier logo]()
$190
This Expedia deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1210:50 pm
SLC
- ORD
1 stop20h 53m
Frontier
Sat 6/139:48 pm
ORD
- SLC
1 stop10h 43m
Frontier
Deal found 5/16![Frontier logo]()
$264
This Orbitz deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/138:16 am
SLC
- ORD
1 stop11h 27m
Frontier
Sat 6/209:48 pm
ORD
- SLC
1 stop10h 43m
Frontier
Deal found 5/16![Frontier logo]()
$263
This Booking.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/161:50 pm
SLC
- STL
1 stop28h 01m
Frontier
Tue 6/238:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 5/16![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1710:50 pm
SLC
- ORD
1 stop20h 53m
Frontier
Tue 6/231:29 pm
ORD
- SLC
2 stops19h 02m
Frontier
Deal found 5/18![Frontier logo]()
$252
This Super.com deal was found by Cheapflights users on 5/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/181:12 pm
SLC
- STL
1 stop4h 41m
Frontier
Mon 6/227:38 pm
STL
- SLC
1 stop12h 53m
Frontier
Deal found 5/18![Frontier logo]()
$235
This Expedia deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/231:12 pm
SLC
- STL
1 stop5h 11m
Frontier
Sat 6/277:38 pm
STL
- SLC
1 stop21h 59m
Frontier
Deal found 5/17![Frontier logo]()
$204
This Super.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2410:50 pm
SLC
- STL
1 stop19h 03m
Frontier
Thu 7/212:11 pm
STL
- SLC
1 stop22h 24m
Frontier
Deal found 5/15![Frontier logo]()
$218
This Trip.com deal was found by Cheapflights users on 5/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/251:50 pm
SLC
- STL
1 stop23h 16m
Frontier
Mon 6/292:56 pm
STL
- SLC
1 stop19h 39m
Frontier
Deal found 5/18![Frontier logo]()
$245
This Super.com deal was found by Cheapflights users on 5/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2610:50 pm
SLC
- STL
1 stop19h 03m
Frontier
Sun 6/282:56 pm
STL
- SLC
1 stop19h 39m
Frontier
Deal found 5/18![Frontier logo]()
$242
One-way flights from Utah to IllinoisSearch for one-way flight options from Utah to Illinois. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
Search for one-way flight options from Utah to Illinois. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:12 pm
SLC
- STL
1 stop5h 11m
Frontier
Deal found 5/19![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1610:50 pm
SLC
- STL
1 stop19h 33m
Frontier
Deal found 5/19![Frontier logo]()
$65
This Trip.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2810:41 pm
SLC
- STL
1 stop19h 42m
Frontier
Deal found 5/15![Frontier logo]()
$74
This Trip.com deal was found by Cheapflights users on 5/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 5/18![Frontier logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:41 pm
SLC
- STL
1 stop19h 42m
Frontier
Deal found 5/18![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/310:41 pm
SLC
- STL
1 stop19h 42m
Frontier
Deal found 5/19![Frontier logo]()
$88
This Super.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/231:12 pm
SLC
- STL
1 stop5h 11m
Frontier
Deal found 5/15![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:41 pm
SLC
- STL
1 stop19h 42m
Frontier
Deal found 5/18![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/198:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 5/20![Frontier logo]()
$94
This Priceline deal was found by Cheapflights users on 5/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/42:51 pm
SLC
- STL
1 stop6h 48m
Frontier
Deal found 5/18![Frontier logo]()
$95
This Super.com deal was found by Cheapflights users on 5/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/71:50 pm
SLC
- STL
1 stop27h 15m
Frontier
Deal found 5/18![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:41 pm
SLC
- ORD
2 stops20h 12m
Frontier
Deal found 5/19![Frontier logo]()
$150
Find flight deals from Utah to Illinois
Keep the following information in mind while searching for Utah to Illinois flight deals. Data was last updated May 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $190 (Travelocity) |
One-way from | $63 (Kiwi.com) |
Popular in | January |
Cheapest in | August |
Average price | $441 |
Good round-trip deal | $421 or less |
Good one-way deal | $237 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Utah 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 May 20, 2026.
Use the filters below to find and compare flights from Utah to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Thu 5/28
4:56 pm-11:55 pm
1 stop5h 59m
Moline Quad-City
Sat 5/30
4:24 pm-10:52 pm
1 stop7h 28m
$304
Saint GeorgeChicago
SGU - ORD
SGUORD
Saint George
Fri 6/19
5:30 pm-12:28 am
1 stop5h 58m
Chicago O'Hare Intl
Fri 6/26
6:48 pm-12:15 am
1 stop6h 27m
$318
Salt Lake CityPeoria
SLC - PIA
SLCPIA
Salt Lake City
Wed 6/17
5:01 pm-11:34 pm
1 stop5h 33m
Greater Peoria
Tue 6/23
4:47 pm-12:36 am
1 stop8h 49m
$319
Salt Lake CityPeoria
SLC - PIA
SLCPIA
Salt Lake City
Thu 6/4
4:18 pm-11:20 pm
1 stop6h 02m
Greater Peoria
Sat 6/6
4:45 pm-10:57 pm
1 stop7h 12m
$369
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Tue 7/14
12:15 pm-12:41 am
2 stops11h 26m
Moline Quad-City
Wed 7/22
4:46 pm-10:59 pm
1 stop7h 13m
$379
Saint GeorgeChicago
SGU - ORD
SGUORD
Saint George
Sat 6/6
1:10 pm-9:50 pm
1 stop7h 40m
Chicago O'Hare Intl
Sat 6/13
7:45 am-2:43 pm
1 stop7h 58m
$388
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Wed 7/22
5:40 pm-9:48 pm
Nonstop3h 08m
Chicago O'Hare Intl
Sat 7/25
7:45 am-10:15 am
Nonstop3h 30m
$395
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Thu 6/4
5:10 am-12:36 pm
1 stop6h 26m
Moline Quad-City
Sat 6/6
3:47 pm-10:44 pm
2 stops7h 57m
$399
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Wed 6/10
5:45 pm-9:57 pm
Nonstop3h 12m
Chicago O'Hare Intl
Tue 6/16
7:37 pm-10:15 pm
Nonstop3h 38m
$404
Salt Lake CityChicago
SLC - MDW
SLCMDW
Salt Lake City
Sat 7/4
10:10 am-2:10 pm
Nonstop3h 00m
Chicago Midway
Sat 7/11
4:50 pm-11:55 pm
1 stop8h 05m
$405
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Utah to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Utah with our price prediction graph.
SLC-MLI
SLC-PIA
SGU-ORD
SLC-MDW
SLC-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 Utah to Illinois
USUT-USIL
SLC-MLI
SLC-PIA
SGU-ORD
SLC-MDW
What is the cheapest month to book a flight from Utah to Illinois?
Currently, August is the cheapest month in which you can book a flight from Utah to Illinois (average of $40). Flying from Utah to Illinois in January is currently the most expensive (average of $168). 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 UT to IL?
Find hourly flight availability from Utah 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 May 20, 2026.
One of the essential ways to save on airfare from Utah to Illinois is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 47% on airfare.
Weekly flight availability from Utah to Illinois
Explore weekly flight availability from Utah 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 May 20, 2026.
The most flights from USUT to USIL are scheduled on a Wednesday (35 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from Utah to Illinois?
How far ahead should I book a flight from Utah to Illinois?
The price you pay for your flight from Utah to Illinois may vary depending on when you book. For the best chance of a lower fare, look to book 84 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Utah to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Utah to Illinois. Price data was last updated on April 11, 2026.
Travelers seeking maximum savings on their Utah to Illinois flight should consider departing on Friday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated May 20, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Utah to Illinois to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Overall
7.9
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Utah to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Utah to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Utah to Illinois by cabin class
Find flights from Utah to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Utah and Illinois flights
Browse other Utah and Illinois flight options. Last updated on May 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Illinois
Find the right flight back to Utah after your stay in Illinois
Utah to Illinois flights
Consider these flights traveling from Utah to Illinois.
Top 6 airlines flying from Utah to Illinois
Discover the top 6 airlines that operate flights from Utah 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 May 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$141 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$127 | Average$271 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$181 | Average$434 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$209 | Average$449 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$227 | Average$471 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$282 | Average$456 | FlexibilityNo cancel fee | On-time63% |