$60+ Cheap flights from Illinois to Utah
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.
ORD — SLC
Jun 19 — Jun 261
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Utah with Cheapflights
1. Tell us where you want to go
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Cheapest flights from Illinois to UtahExplore the most affordable flight options available from Illinois to Utah. 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 Illinois to Utah. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 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 8/258:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Wed 9/28:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 5/19![Frontier logo]()
$167
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 8/47:03 pm
STL
- SLC
1 stop15h 23m
Frontier
Tue 8/1110:41 pm
SLC
- STL
1 stop19h 42m
Frontier
Deal found 5/19![Frontier logo]()
$185
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:34 pm
STL
- SLC
1 stop5h 48m
Frontier
Wed 8/128:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 5/17![Frontier logo]()
$190
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:03 pm
STL
- SLC
1 stop15h 32m
Frontier
Wed 6/173:41 pm
SLC
- STL
1 stop26h 12m
Frontier
Deal found 5/16![Frontier logo]()
$200
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.
Tue 6/238:08 pm
STL
- SLC
1 stop26h 47m
Frontier
Sat 6/278:16 am
SLC
- STL
1 stop9h 37m
Frontier
Deal found 5/18![Frontier logo]()
$204
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/63:34 pm
STL
- SLC
1 stop5h 48m
Frontier
Tue 8/118:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 5/15![Frontier logo]()
$209
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/313:34 pm
STL
- SLC
1 stop5h 48m
Frontier
Wed 8/128:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 5/15![Frontier logo]()
$210
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:08 pm
STL
- SLC
1 stop19h 48m
Frontier
Mon 8/3110:41 pm
SLC
- STL
1 stop19h 42m
Frontier
Deal found 5/16![Frontier logo]()
$214
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.
Sat 6/137:38 pm
STL
- SLC
1 stop12h 53m
Frontier
Wed 6/248:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 5/18![Frontier logo]()
$216
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.
Sat 6/66:30 pm
STL
- SLC
1 stop16h 00m
Frontier
Sat 6/138:16 am
SLC
- STL
1 stop9h 37m
Frontier
Deal found 5/15![Frontier logo]()
$218
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.
Sun 8/2310:07 am
PIA
- SLC
1 stop22h 24m
Multiple Airlines
Wed 8/2610:41 pm
SLC
- PIA
1 stop17h 43m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$237
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.
Mon 8/247:06 pm
PIA
- SLC
1 stop15h 29m
Multiple Airlines
Wed 8/263:41 pm
SLC
- PIA
1 stop24h 43m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$247
Best flights from Illinois to UtahDiscover carefully curated flight deals from Illinois to Utah 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 Illinois to Utah that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 20, 2026.
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.
Tue 6/235:56 am
MLI
- SLC
1 stop8h 54m
Delta
Tue 7/77:00 am
SLC
- MLI
1 stop8h 22m
Delta
Deal found 5/17![Delta logo]()
$261
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.
Sat 8/229:10 am
ORD
- SGU
Nonstop3h 48m
United Airlines
Sat 8/2912:35 pm
SGU
- ORD
Nonstop3h 52m
United Airlines
Deal found 5/19![United Airlines logo]()
$299
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 7/74:43 pm
PIA
- SLC
1 stop7h 16m
American Airlines
Sat 7/114:56 pm
SLC
- PIA
1 stop6h 19m
American Airlines
Deal found 5/18![American Airlines logo]()
$364
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:30 am
MDW
- SLC
1 stop6h 25m
Southwest
Tue 8/41:00 pm
SLC
- MDW
Nonstop3h 00m
Southwest
Deal found 5/17![Southwest logo]()
$405
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.
Fri 7/109:49 am
MDW
- SGU
2 stops9h 49m
Delta
Tue 7/145:50 am
SGU
- MDW
2 stops9h 25m
Delta
Deal found 5/19![Delta logo]()
$329
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.
Tue 6/164:45 pm
PIA
- SLC
1 stop7h 03m
United Airlines
Tue 6/234:18 pm
SLC
- PIA
1 stop6h 02m
United Airlines
Deal found 5/17![United Airlines logo]()
$344
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:30 am
MLI
- SLC
1 stop5h 56m
United Airlines
Thu 6/45:10 am
SLC
- MLI
1 stop6h 26m
United Airlines
Deal found 5/20![United Airlines logo]()
$358
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 6/3011:11 am
MLI
- SLC
1 stop5h 54m
American Airlines
Mon 7/64:56 pm
SLC
- MLI
1 stop6h 45m
American Airlines
Deal found 5/15![American Airlines logo]()
$402
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2210:05 am
MDW
- SLC
Nonstop3h 20m
Southwest
Mon 8/241:20 pm
SLC
- MDW
Nonstop3h 00m
Southwest
Deal found 5/15![Southwest logo]()
$419
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.
Tue 6/235:56 am
MLI
- SLC
1 stop8h 54m
Delta
Sat 7/411:00 am
SLC
- MLI
1 stop8h 09m
Delta
Deal found 5/17![Delta logo]()
$414
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.
Sat 6/133:47 pm
MLI
- SLC
1 stop8h 10m
United Airlines
Sat 6/208:00 am
SLC
- MLI
1 stop6h 06m
United Airlines
Deal found 5/19![United Airlines logo]()
$380
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.
Sat 7/1810:05 am
ORD
- SLC
Nonstop3h 30m
American Airlines
Mon 7/274:56 pm
SLC
- ORD
Nonstop3h 38m
American Airlines
Deal found 5/19![American Airlines logo]()
$420
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/229:05 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Sun 7/266:45 am
SLC
- MDW
Nonstop3h 00m
Southwest
Deal found 5/15![Southwest logo]()
$420
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.
Sun 5/243:00 pm
ORD
- SLC
1 stop9h 44m
Delta
Fri 5/291:59 pm
SLC
- ORD
1 stop6h 21m
Delta
Deal found 5/19![Delta logo]()
$415
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 6/95:35 am
MDW
- SLC
1 stop5h 55m
Southwest
Tue 6/309:20 am
SLC
- MDW
2 stops7h 55m
Southwest
Deal found 5/18![Southwest logo]()
$429
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.
Sat 8/229:10 am
ORD
- SGU
Nonstop3h 48m
United Airlines
Tue 8/255:24 pm
SGU
- ORD
1 stop5h 35m
United Airlines
Deal found 5/17![United Airlines logo]()
$398
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.
Thu 6/187:45 am
ORD
- SLC
Nonstop3h 30m
Delta
Sat 6/205:10 pm
SLC
- ORD
Nonstop3h 13m
Delta
Deal found 5/19![Delta logo]()
$420
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.
Thu 7/212:46 pm
EVV
- SLC
1 stop9h 26m
American Airlines
Tue 7/74:56 pm
SLC
- EVV
1 stop6h 03m
American Airlines
Deal found 5/16![American Airlines logo]()
$469
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.
Wed 8/128:45 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Sun 8/169:20 pm
SLC
- MDW
1 stop7h 30m
Southwest
Deal found 5/19![Southwest logo]()
$430
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.
Wed 8/128:21 pm
ORD
- SLC
Nonstop3h 38m
United Airlines
Sat 8/2210:40 am
SLC
- ORD
1 stop6h 52m
United Airlines
Deal found 5/16![United Airlines logo]()
$405
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.
Mon 8/38:28 am
ORD
- SLC
1 stop6h 42m
Delta
Wed 8/52:05 pm
SLC
- ORD
Nonstop3h 14m
Delta
Deal found 5/19![Delta logo]()
$430
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.
Tue 6/29:00 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Tue 6/95:50 am
SLC
- MDW
1 stop5h 40m
Southwest
Deal found 5/19![Southwest logo]()
$432
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 8/2110:41 am
PIA
- SLC
1 stop5h 42m
United Airlines
Mon 8/244:25 pm
SLC
- PIA
1 stop5h 18m
United Airlines
Deal found 5/19![United Airlines logo]()
$409
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.
Thu 7/25:14 pm
EVV
- SLC
1 stop8h 22m
American Airlines
Mon 7/64:56 pm
SLC
- EVV
1 stop6h 03m
American Airlines
Deal found 5/16![American Airlines logo]()
$519
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.
Thu 7/95:05 pm
MLI
- SLC
1 stop8h 21m
Delta
Wed 7/151:35 pm
SLC
- MLI
1 stop7h 56m
Delta
Deal found 5/19![Delta logo]()
$437
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/33:20 pm
STL
- SLC
2 stops8h 30m
Southwest
Tue 7/710:20 am
SLC
- STL
2 stops7h 05m
Southwest
Deal found 5/17![Southwest logo]()
$441
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.
Sat 7/115:43 pm
PIA
- SLC
1 stop6h 05m
United Airlines
Sun 7/194:18 pm
SLC
- PIA
1 stop6h 02m
United Airlines
Deal found 5/17![United Airlines logo]()
$409
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.
Fri 7/242:30 pm
STL
- SLC
Nonstop3h 07m
Delta
Wed 7/299:40 am
SLC
- STL
Nonstop2h 53m
Delta
Deal found 5/19![Delta logo]()
$439
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.
Mon 6/155:30 pm
EVV
- SLC
1 stop6h 29m
American Airlines
Sun 6/215:00 am
SLC
- EVV
1 stop5h 56m
American Airlines
Deal found 5/19![American Airlines logo]()
$533
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.
Sat 7/185:25 am
MDW
- SLC
1 stop4h 55m
Southwest
Sat 7/255:15 am
SLC
- MDW
2 stops10h 05m
Southwest
Deal found 5/19![Southwest logo]()
$442
Last-minute flights from Illinois to UtahDiscover last-minute flight deals from Illinois to Utah. Data last updated May 20, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Utah. Data last updated May 20, 2026 and is based on user searches.
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.
Sat 6/66:30 pm
STL
- SLC
1 stop16h 00m
Frontier
Sat 6/138:16 am
SLC
- STL
1 stop9h 37m
Frontier
Deal found 5/15![Frontier logo]()
$218
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.
Sun 6/79:06 pm
STL
- SLC
1 stop13h 24m
Frontier
Wed 6/103:41 pm
SLC
- STL
1 stop26h 12m
Frontier
Deal found 5/17![Frontier logo]()
$230
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:03 pm
STL
- SLC
1 stop15h 32m
Frontier
Wed 6/173:41 pm
SLC
- STL
1 stop26h 12m
Frontier
Deal found 5/16![Frontier logo]()
$200
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/107:03 pm
STL
- SLC
1 stop15h 32m
Frontier
Mon 6/151:50 pm
SLC
- STL
1 stop28h 01m
Frontier
Deal found 5/17![Frontier logo]()
$219
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/122:56 pm
STL
- SLC
1 stop19h 39m
Frontier
Tue 6/161:50 pm
SLC
- STL
1 stop28h 01m
Frontier
Deal found 5/17![Frontier logo]()
$220
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.
Sat 6/137:38 pm
STL
- SLC
1 stop12h 53m
Frontier
Wed 6/248:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 5/18![Frontier logo]()
$216
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.
Tue 6/238:08 pm
STL
- SLC
1 stop26h 47m
Frontier
Sat 6/278:16 am
SLC
- STL
1 stop9h 37m
Frontier
Deal found 5/18![Frontier logo]()
$204
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.
Tue 6/235:56 am
MLI
- SLC
1 stop8h 54m
Delta
Tue 7/77:00 am
SLC
- MLI
1 stop8h 22m
Delta
Deal found 5/17![Delta logo]()
$261
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.
Sat 6/277:38 pm
STL
- SLC
1 stop27h 17m
Frontier
Fri 7/31:50 pm
SLC
- STL
1 stop23h 16m
Frontier
Deal found 5/17![Frontier logo]()
$224
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/277:38 pm
STL
- SLC
1 stop12h 53m
Frontier
Mon 7/61:50 pm
SLC
- STL
1 stop27h 15m
Frontier
Deal found 5/17![Frontier logo]()
$233
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.
Tue 6/308:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Tue 7/710:41 pm
SLC
- STL
1 stop19h 42m
Frontier
Deal found 5/18![Frontier logo]()
$190
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:46 pm
STL
- SLC
1 stop14h 49m
Frontier
Wed 7/81:50 pm
SLC
- STL
1 stop23h 17m
Frontier
Deal found 5/19![Frontier logo]()
$222
One-way flights from Illinois to UtahSearch for one-way flight options from Illinois to Utah. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
Search for one-way flight options from Illinois to Utah. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 5/19![Frontier logo]()
$60
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 7/148:08 pm
STL
- SLC
1 stop28h 36m
Frontier
Deal found 5/19![Frontier logo]()
$65
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 6/238:08 pm
STL
- SLC
1 stop12h 23m
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 8/188:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 5/18![Frontier logo]()
$81
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 7/283:34 pm
STL
- SLC
1 stop5h 48m
Frontier
Deal found 5/15![Frontier logo]()
$91
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.
Wed 8/58:08 pm
STL
- SLC
1 stop21h 28m
Frontier
Deal found 5/18![Frontier logo]()
$92
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 8/193:33 pm
STL
- SLC
1 stop5h 47m
Frontier
Deal found 5/18![Frontier logo]()
$95
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 6/307:46 pm
STL
- SLC
1 stop14h 49m
Frontier
Deal found 5/15![Frontier logo]()
$96
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.
Thu 5/282:11 pm
ORD
- SLC
Nonstop3h 29m
Delta
Deal found 5/17![Delta logo]()
$198
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.
Thu 5/289:45 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 5/18![Southwest logo]()
$198
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:37 pm
ORD
- SLC
1 stop11h 01m
Frontier
Deal found 5/18![Frontier logo]()
$199
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:46 pm
ORD
- SLC
2 stops40h 40m
Frontier
Deal found 5/17![Frontier logo]()
$200
Find flight deals from Illinois to Utah
Keep the following information in mind while searching for Illinois to Utah flight deals. Data was last updated May 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $167 (Kiwi.com) |
One-way from | $60 (Trip.com) |
Popular in | December |
Cheapest in | August |
Average price | $456 |
Good round-trip deal | $127 or less |
Good one-way deal | $208 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Utah 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 Illinois to Utah that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MolineSalt Lake City
MLI - SLC
MLISLC
Moline Quad-City
Tue 6/23
5:56 am-1:50 pm
1 stop8h 54m
Salt Lake City
Tue 7/7
7:00 am-4:22 pm
1 stop8h 22m
$261
ChicagoSaint George
ORD - SGU
ORDSGU
Chicago O'Hare Intl
Sat 8/22
9:10 am-11:58 am
Nonstop3h 48m
Saint George
Sat 8/29
12:35 pm-5:27 pm
Nonstop3h 52m
$299
ChicagoSaint George
MDW - SGU
MDWSGU
Chicago Midway
Fri 7/10
9:49 am-6:38 pm
2 stops9h 49m
Saint George
Tue 7/14
5:50 am-4:15 pm
2 stops9h 25m
$329
PeoriaSalt Lake City
PIA - SLC
PIASLC
Greater Peoria
Tue 6/16
4:45 pm-10:48 pm
1 stop7h 03m
Salt Lake City
Tue 6/23
4:18 pm-11:20 pm
1 stop6h 02m
$344
MolineSalt Lake City
MLI - SLC
MLISLC
Moline Quad-City
Sat 5/30
6:30 am-11:26 am
1 stop5h 56m
Salt Lake City
Thu 6/4
5:10 am-12:36 pm
1 stop6h 26m
$358
PeoriaSalt Lake City
PIA - SLC
PIASLC
Greater Peoria
Tue 7/7
4:43 pm-10:59 pm
1 stop7h 16m
Salt Lake City
Sat 7/11
4:56 pm-12:15 am
1 stop6h 19m
$364
MolineSalt Lake City
MLI - SLC
MLISLC
Moline Quad-City
Sat 6/13
3:47 pm-10:57 pm
1 stop8h 10m
Salt Lake City
Sat 6/20
8:00 am-3:06 pm
1 stop6h 06m
$380
ChicagoSaint George
ORD - SGU
ORDSGU
Chicago O'Hare Intl
Sat 8/22
9:10 am-11:58 am
Nonstop3h 48m
Saint George
Tue 8/25
5:24 pm-11:59 pm
1 stop5h 35m
$398
MolineSalt Lake City
MLI - SLC
MLISLC
Moline Quad-City
Tue 6/30
11:11 am-4:05 pm
1 stop5h 54m
Salt Lake City
Mon 7/6
4:56 pm-12:41 am
1 stop6h 45m
$402
ChicagoSalt Lake City
MDW - SLC
MDWSLC
Chicago Midway
Tue 7/28
5:30 am-10:55 am
1 stop6h 25m
Salt Lake City
Tue 8/4
1:00 pm-5:00 pm
Nonstop3h 00m
$405
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Utah
Have a flexible travel schedule? Discover the best time to fly to Utah from Illinois with our price prediction graph.
STL-SLC
ORD-SLC
MDW-SLC
MLI-SLC
ORD-SGU
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Utah
USIL-USUT
STL-SLC
ORD-SLC
MDW-SLC
MLI-SLC
What is the cheapest month to book a flight from Illinois to Utah?
Currently, October is the cheapest month in which you can book a flight from Illinois to Utah (average of $78). Flying from Illinois to Utah in June is currently the most expensive (average of $210). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IL to UT?
Find hourly flight availability from Illinois to Utah. 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.
When flying from Illinois to Utah, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 32% versus a flight at noon.
Weekly flight availability from Illinois to Utah
Explore weekly flight availability from Illinois to Utah. 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 USIL to USUT are scheduled on a Wednesday (32 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from Illinois to Utah?
How far ahead should I book a flight from Illinois to Utah?
To ensure you get the cheapest price possible for a flight from Illinois to Utah, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Illinois to Utah?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Utah. Price data was last updated on January 24, 2026.
Travelers seeking maximum savings on their Illinois to Utah flight should consider departing on Thursday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Utah
Get insights into the airlines that provide service to Utah. 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 Utah. Reviews last updated May 20, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Illinois to Utah to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
7.9
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Illinois to Utah. 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
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Illinois to Utah
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Utah by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Utah by cabin class
Find flights from Illinois to Utah, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Utah flights
Browse other Illinois and Utah 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 Utah
Find the right flight back to Illinois after your stay in Utah
Illinois to Utah flights
Consider these flights traveling from Illinois to Utah.
Top 5 airlines flying from Illinois to Utah
Discover the top 5 airlines that operate flights from Illinois to Utah. 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$130 | Average$230 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$181 | Average$372 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$235 | Average$448 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$258 | Average$431 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$321 | Average$481 | FlexibilityNo cancel fee | On-time63% |