$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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SLC
May 17 — May 241
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Utah with Cheapflights
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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 April 17, 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 April 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 5/78:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Sat 5/98:23 am
SLC
- STL
1 stop10h 00m
Frontier
Deal found 4/14![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/48:17 pm
STL
- SLC
1 stop12h 21m
Frontier
Sat 5/168:23 am
SLC
- STL
1 stop10h 00m
Frontier
Deal found 4/12![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/78:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Sun 5/108:30 pm
SLC
- STL
1 stop21h 53m
Frontier
Deal found 4/13![Frontier logo]()
$140
This Trip.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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.
Mon 5/119:18 pm
STL
- SLC
1 stop13h 12m
Frontier
Sat 5/168:23 am
SLC
- STL
1 stop10h 00m
Frontier
Deal found 4/14![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 5/78:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Wed 5/138:30 pm
SLC
- STL
1 stop21h 53m
Frontier
Deal found 4/14![Frontier logo]()
$157
This Frontier deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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.
Sun 5/39:55 pm
STL
- SLC
1 stop12h 39m
Frontier
Sat 5/168:23 am
SLC
- STL
1 stop10h 00m
Frontier
Deal found 4/12![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/48:17 pm
STL
- SLC
1 stop12h 21m
Frontier
Fri 5/2210:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Deal found 4/12![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/48:17 pm
STL
- SLC
1 stop12h 21m
Frontier
Tue 5/191:32 pm
SLC
- STL
1 stop27h 34m
Frontier
Deal found 4/12![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 6/107:03 pm
STL
- SLC
1 stop15h 32m
Frontier
Tue 6/1610:41 pm
SLC
- STL
1 stop19h 42m
Frontier
Deal found 4/13![Frontier logo]()
$175
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 9/124:24 pm
MLI
- SLC
1 stop7h 11m
American Airlines
Sat 9/195:13 pm
SLC
- MLI
1 stop4h 50m
American Airlines
Deal found 4/14![American Airlines logo]()
$261
This American Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/206:40 pm
MLI
- SLC
1 stop7h 17m
American Airlines
Mon 5/257:00 am
SLC
- MLI
1 stop8h 06m
American Airlines
Deal found 4/12![American Airlines logo]()
$279
This eDestinos deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/59:37 pm
ORD
- SLC
1 stop11h 01m
Frontier
Mon 6/810:54 pm
SLC
- ORD
2 stops29h 38m
Frontier
Deal found 4/12![Frontier logo]()
$295
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 April 17, 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 April 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
ORD
- SLC
1 stop9h 41m
Alaska Airlines
Wed 5/68:11 am
SLC
- ORD
1 stop9h 52m
Alaska Airlines
Deal found 4/13![Alaska Airlines logo]()
$346
This American Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 4/283:48 pm
MLI
- SLC
1 stop7h 11m
American Airlines
Sat 5/25:05 pm
SLC
- MLI
1 stop5h 49m
American Airlines
Deal found 4/13![American Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 4/2812:55 pm
ORD
- SGU
1 stop6h 21m
United Airlines
Sat 5/25:37 pm
SGU
- ORD
1 stop6h 21m
United Airlines
Deal found 4/12![United Airlines logo]()
$378
This Delta deal was found by Cheapflights users on 4/15. 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 8/221:35 pm
ORD
- SLC
1 stop7h 12m
Delta
Thu 8/278:05 am
SLC
- ORD
Nonstop3h 16m
Delta
Deal found 4/15![Delta logo]()
$380
This Southwest deal was found by Cheapflights users on 4/15. 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.
Fri 6/1910:00 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Tue 6/2311:35 pm
SLC
- MDW
1 stop8h 05m
Southwest
Deal found 4/15![Southwest logo]()
$380
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/84:48 pm
BMI
- SLC
1 stop6h 27m
American Airlines
Tue 9/158:00 am
SLC
- BMI
1 stop6h 34m
American Airlines
Deal found 4/17![American Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 8/35:33 pm
PIA
- SLC
1 stop6h 15m
United Airlines
Mon 8/104:25 pm
SLC
- PIA
1 stop7h 10m
United Airlines
Deal found 4/13![United Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 4/15. 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.
Fri 5/229:45 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Mon 5/257:15 am
SLC
- MDW
Nonstop3h 00m
Southwest
Deal found 4/15![Southwest logo]()
$385
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Sat 5/212:51 pm
MLI
- SLC
2 stops11h 11m
American Airlines
Wed 5/65:00 am
SLC
- MLI
1 stop5h 34m
American Airlines
Deal found 4/16![American Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 4/15. 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.
Thu 7/27:45 am
ORD
- SLC
Nonstop3h 30m
Delta
Sun 7/56:42 am
SLC
- ORD
1 stop6h 47m
Delta
Deal found 4/15![Delta logo]()
$395
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Sat 5/166:35 am
MLI
- SLC
1 stop6h 01m
United Airlines
Wed 5/204:26 pm
SLC
- MLI
1 stop6h 41m
United Airlines
Deal found 4/15![United Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 4/16. 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 5/167:45 am
ORD
- SLC
Nonstop3h 27m
Delta
Sat 5/235:45 pm
SLC
- ORD
Nonstop3h 05m
Delta
Deal found 4/16![Delta logo]()
$395
This Southwest deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/46:15 am
MDW
- SLC
1 stop8h 10m
Southwest
Tue 5/121:10 pm
SLC
- MDW
Nonstop3h 00m
Southwest
Deal found 4/12![Southwest logo]()
$417
This United Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/233:52 pm
MLI
- SLC
2 stops7h 52m
United Airlines
Sat 5/308:00 am
SLC
- MLI
1 stop6h 12m
United Airlines
Deal found 4/12![United Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 4/15. 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.
Fri 6/125:57 pm
ORD
- SLC
1 stop5h 18m
Delta
Sun 6/147:50 am
SLC
- ORD
Nonstop3h 10m
Delta
Deal found 4/15![Delta logo]()
$395
This Southwest deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/49:45 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Thu 5/78:55 pm
SLC
- MDW
1 stop7h 50m
Southwest
Deal found 4/12![Southwest logo]()
$427
This American Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 4/283:09 pm
CMI
- SLC
1 stop8h 56m
American Airlines
Sat 5/21:29 pm
SLC
- CMI
1 stop7h 06m
American Airlines
Deal found 4/13![American Airlines logo]()
$436
This United Airlines deal was found by Cheapflights users on 4/15. 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.
Sat 5/1610:39 am
MLI
- SLC
2 stops9h 32m
United Airlines
Sat 5/231:05 pm
SLC
- MLI
2 stops8h 24m
United Airlines
Deal found 4/15![United Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 4/17. 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.
Sat 5/237:00 am
ORD
- SLC
1 stop8h 03m
Delta
Sat 5/305:45 pm
SLC
- ORD
Nonstop3h 05m
Delta
Deal found 4/17![Delta logo]()
$405
This Southwest deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 5/1610:15 am
MDW
- SLC
Nonstop3h 30m
Southwest
Sat 5/231:10 pm
SLC
- MDW
1 stop8h 35m
Southwest
Deal found 4/14![Southwest logo]()
$443
This United Airlines deal was found by Cheapflights users on 4/16. 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 8/225:00 am
ORD
- SGU
1 stop5h 39m
United Airlines
Tue 8/255:30 pm
SGU
- ORD
1 stop5h 29m
United Airlines
Deal found 4/16![United Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 4/16. 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 7/17:37 pm
ORD
- SLC
Nonstop3h 38m
Delta
Mon 7/65:45 pm
SLC
- ORD
Nonstop3h 12m
Delta
Deal found 4/16![Delta logo]()
$410
This American Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/126:23 pm
EVV
- SLC
1 stop7h 34m
American Airlines
Tue 5/196:40 am
SLC
- EVV
1 stop7h 53m
American Airlines
Deal found 4/13![American Airlines logo]()
$470
This Southwest deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 6/14:35 pm
MDW
- SLC
2 stops8h 30m
Southwest
Sat 6/65:50 am
SLC
- MDW
2 stops7h 55m
Southwest
Deal found 4/12![Southwest logo]()
$447
This United Airlines deal was found by Cheapflights users on 4/16. 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 7/298:10 pm
ORD
- SLC
Nonstop3h 38m
United Airlines
Sun 8/24:25 pm
SLC
- ORD
Nonstop3h 22m
United Airlines
Deal found 4/16![United Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 4/16. 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 5/169:22 am
MDW
- SLC
1 stop5h 43m
Delta
Sat 5/2311:16 am
SLC
- MDW
1 stop5h 40m
Delta
Deal found 4/16![Delta logo]()
$415
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2911:37 am
CMI
- SLC
2 stops12h 36m
American Airlines
Sun 5/315:00 am
SLC
- CMI
1 stop8h 15m
American Airlines
Deal found 4/17![American Airlines logo]()
$470
This United Airlines deal was found by Cheapflights users on 4/15. 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 7/152:31 pm
MLI
- SLC
2 stops9h 40m
United Airlines
Mon 7/2011:59 pm
SLC
- MLI
2 stops11h 40m
United Airlines
Deal found 4/15![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 4/16. 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 8/195:30 am
ORD
- SLC
1 stop9h 43m
Delta
Sun 8/231:45 pm
SLC
- ORD
Nonstop3h 16m
Delta
Deal found 4/16![Delta logo]()
$420
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/105:30 pm
EVV
- SLC
1 stop7h 15m
American Airlines
Sat 10/175:09 pm
SLC
- EVV
1 stop5h 15m
American Airlines
Deal found 4/14![American Airlines logo]()
$483
Last-minute flights from Illinois to UtahDiscover last-minute flight deals from Illinois to Utah. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Utah. Data last updated April 17, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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.
Sat 4/188:55 am
ORD
- SLC
1 stop11h 22m
Frontier
Sat 4/259:59 pm
SLC
- ORD
1 stop14h 16m
Frontier
Deal found 4/12![Frontier logo]()
$296
This Frontier deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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.
Sun 5/39:55 pm
STL
- SLC
1 stop12h 39m
Frontier
Sat 5/168:23 am
SLC
- STL
1 stop10h 00m
Frontier
Deal found 4/12![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/48:17 pm
STL
- SLC
1 stop12h 21m
Frontier
Sat 5/168:23 am
SLC
- STL
1 stop10h 00m
Frontier
Deal found 4/12![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/48:17 pm
STL
- SLC
1 stop12h 21m
Frontier
Fri 5/2210:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Deal found 4/12![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/48:17 pm
STL
- SLC
1 stop12h 21m
Frontier
Mon 5/181:32 pm
SLC
- STL
1 stop27h 34m
Frontier
Deal found 4/12![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 5/78:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Sat 5/98:23 am
SLC
- STL
1 stop10h 00m
Frontier
Deal found 4/14![Frontier logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/78:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Sun 5/108:30 pm
SLC
- STL
1 stop21h 53m
Frontier
Deal found 4/13![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 5/78:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Wed 5/138:30 pm
SLC
- STL
1 stop21h 53m
Frontier
Deal found 4/14![Frontier logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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.
Fri 5/89:18 pm
STL
- SLC
2 stops11h 20m
Frontier
Sun 5/108:30 pm
SLC
- STL
1 stop21h 53m
Frontier
Deal found 4/14![Frontier logo]()
$178
This Trip.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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.
Mon 5/119:18 pm
STL
- SLC
1 stop13h 12m
Frontier
Sat 5/168:23 am
SLC
- STL
1 stop10h 00m
Frontier
Deal found 4/14![Frontier logo]()
$156
This American Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/206:40 pm
MLI
- SLC
1 stop7h 17m
American Airlines
Mon 5/257:00 am
SLC
- MLI
1 stop8h 06m
American Airlines
Deal found 4/12![American Airlines logo]()
$279
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 5/234:42 pm
MLI
- SLC
1 stop8h 54m
American Airlines
Sat 5/304:56 pm
SLC
- MLI
1 stop5h 59m
American Airlines
Deal found 4/14![American Airlines logo]()
$261
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 April 17, 2026.
Search for one-way flight options from Illinois to Utah. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This Trip.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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.
Mon 5/48:17 pm
STL
- SLC
1 stop12h 21m
Frontier
Deal found 4/13![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 5/129:37 pm
ORD
- SLC
1 stop11h 01m
Frontier
Deal found 4/16![Frontier logo]()
$62
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Thu 5/79:37 pm
ORD
- SLC
1 stop11h 01m
Frontier
Deal found 4/16![Frontier logo]()
$65
This Trip.com deal was found by Cheapflights users on 4/15. 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.
Sat 5/99:37 pm
ORD
- SLC
1 stop11h 01m
Frontier
Deal found 4/15![Frontier logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:08 pm
STL
- SLC
1 stop28h 11m
Frontier
Deal found 4/15![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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.
Sat 5/98:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 4/12![Frontier logo]()
$73
This Trip.com deal was found by Cheapflights users on 4/15. 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.
Fri 5/159:37 pm
ORD
- SLC
1 stop11h 01m
Frontier
Deal found 4/15![Frontier logo]()
$80
This Trip.com deal was found by Cheapflights users on 4/15. 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.
Sat 5/308:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 4/15![Frontier logo]()
$82
This Trip.com deal was found by Cheapflights users on 4/15. 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.
Mon 5/189:37 pm
ORD
- SLC
1 stop11h 01m
Frontier
Deal found 4/15![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 4/16. 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.
Sat 5/169:37 pm
ORD
- SLC
1 stop11h 01m
Frontier
Deal found 4/16![Frontier logo]()
$83
This Super.com deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” 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 5/126:51 pm
STL
- SLC
1 stop15h 39m
Frontier
Deal found 4/12![Frontier logo]()
$85
This Super.com deal was found by Cheapflights users on 4/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:37 pm
ORD
- SLC
1 stop22h 52m
Frontier
Deal found 4/16![Frontier logo]()
$85
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 April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $137 (Kiwi.com) |
One-way from | $60 (Trip.com) |
Popular in | December |
Cheapest in | August |
Average price | $429 |
Good round-trip deal | $395 or less |
Good one-way deal | $213 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 April 17, 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
ChicagoSalt Lake City
ORD - SLC
ORDSLC
Chicago O'Hare Intl
Tue 5/5
6:00 am-2:41 pm
1 stop9h 41m
Salt Lake City
Wed 5/6
8:11 am-7:03 pm
1 stop9h 52m
$346
MolineSalt Lake City
MLI - SLC
MLISLC
Moline Quad-City
Tue 4/28
3:48 pm-9:59 pm
1 stop7h 11m
Salt Lake City
Sat 5/2
5:05 pm-11:54 pm
1 stop5h 49m
$347
BloomingtonSalt Lake City
BMI - SLC
BMISLC
Bloomington-Normal
Tue 9/8
4:48 pm-10:15 pm
1 stop6h 27m
Salt Lake City
Tue 9/15
8:00 am-3:34 pm
1 stop6h 34m
$349
MolineSalt Lake City
MLI - SLC
MLISLC
Moline Quad-City
Sat 5/2
12:51 pm-11:02 pm
2 stops11h 11m
Salt Lake City
Wed 5/6
5:00 am-11:34 am
1 stop5h 34m
$352
ChicagoSaint George
ORD - SGU
ORDSGU
Chicago O'Hare Intl
Tue 4/28
12:55 pm-6:16 pm
1 stop6h 21m
Saint George
Sat 5/2
5:37 pm-12:58 am
1 stop6h 21m
$378
ChicagoSalt Lake City
ORD - SLC
ORDSLC
Chicago O'Hare Intl
Sat 8/22
1:35 pm-7:47 pm
1 stop7h 12m
Salt Lake City
Thu 8/27
8:05 am-12:21 pm
Nonstop3h 16m
$380
ChicagoSalt Lake City
MDW - SLC
MDWSLC
Chicago Midway
Fri 6/19
10:00 pm-12:25 am
Nonstop3h 25m
Salt Lake City
Tue 6/23
11:35 pm-8:40 am
1 stop8h 05m
$380
PeoriaSalt Lake City
PIA - SLC
PIASLC
Greater Peoria
Mon 8/3
5:33 pm-10:48 pm
1 stop6h 15m
Salt Lake City
Mon 8/10
4:25 pm-12:35 am
1 stop7h 10m
$380
Quickest round-trip
ChicagoSalt Lake City
MDW - SLC
MDWSLC
Chicago Midway
Fri 5/22
9:45 pm-12:10 am
Nonstop3h 25m
Salt Lake City
Mon 5/25
7:15 am-11:15 am
Nonstop3h 00m
$385
MolineSalt Lake City
MLI - SLC
MLISLC
Moline Quad-City
Sat 5/16
6:35 am-11:36 am
1 stop6h 01m
Salt Lake City
Wed 5/20
4:26 pm-12:07 am
1 stop6h 41m
$390
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
MLI-SLC
MDW-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
MLI-SLC
MDW-SLC
What is the cheapest month to book a flight from Illinois to Utah?
Currently, April is the cheapest month in which you can book a flight from Illinois to Utah (average of $65). Flying from Illinois to Utah in March is currently the most expensive (average of $208). 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 April 17, 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.
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.
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 April 17, 2026.
The most flights from USIL to USUT are scheduled on a Friday (32 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (25 on average).
How much does it cost to fly round-trip from Illinois to Utah?
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 April 17, 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
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Food
7.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Overall
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 Illinois to Utah. 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 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 April 17, 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 April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$130 | Average$222 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$167 | Average$371 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$202 | Average$447 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$235 | Average$432 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$321 | Average$481 | FlexibilityNo cancel fee | On-time63% |