$71+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SLC
Aug 30 — Sep 61
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 July 31, 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 July 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/168:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Tue 9/224:16 pm
SLC
- STL
1 stop26h 01m
Frontier
Deal found 7/29![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/131:02 pm
STL
- SLC
1 stop22h 39m
Frontier
Wed 9/238:00 am
SLC
- STL
1 stop10h 17m
Frontier
Deal found 7/30![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 10/208:10 pm
STL
- SLC
1 stop12h 53m
Frontier
Thu 10/227:25 am
SLC
- STL
1 stop10h 50m
Frontier
Deal found 7/30![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/98:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Sat 9/124:16 pm
SLC
- STL
1 stop18h 51m
Frontier
Deal found 7/29![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/98:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Mon 9/1411:40 am
SLC
- STL
1 stop6h 37m
Frontier
Deal found 7/29![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/218:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Fri 9/2511:40 am
SLC
- STL
1 stop6h 37m
Frontier
Deal found 7/30![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/67:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Tue 9/87:08 pm
SLC
- STL
1 stop23h 09m
Frontier
Deal found 7/29![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 10/298:10 pm
STL
- SLC
1 stop12h 53m
Frontier
Sun 11/17:25 am
SLC
- STL
1 stop10h 50m
Frontier
Deal found 7/30![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/288:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Sat 10/311:40 am
SLC
- STL
1 stop6h 37m
Frontier
Deal found 7/30![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/67:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Wed 9/911:40 am
SLC
- STL
1 stop6h 37m
Frontier
Deal found 7/29![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/128:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Mon 9/1411:40 am
SLC
- STL
1 stop6h 37m
Frontier
Deal found 7/29![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 10/225:24 pm
PIA
- SLC
1 stop8h 00m
Multiple Airlines
Wed 10/289:28 pm
SLC
- PIA
1 stop14h 51m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$246
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 July 31, 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 July 31, 2026.
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:05 am
MLI
- SLC
2 stops9h 02m
United Airlines
Sat 9/58:10 am
SLC
- MLI
1 stop6h 44m
United Airlines
Deal found 7/30![United Airlines logo]()
$276
This American Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/126:00 am
MLI
- SLC
2 stops10h 51m
American Airlines
Sat 9/195:00 am
SLC
- MLI
1 stop5h 38m
American Airlines
Deal found 7/29![American Airlines logo]()
$276
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/98:45 pm
MDW
- SLC
Nonstop3h 30m
Southwest
Wed 9/1611:30 am
SLC
- MDW
1 stop6h 40m
Southwest
Deal found 7/26![Southwest logo]()
$295
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/32:00 pm
ORD
- SLC
Nonstop3h 35m
Delta
Mon 9/72:05 pm
SLC
- ORD
Nonstop3h 14m
Delta
Deal found 7/30![Delta logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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.
Fri 9/113:19 pm
STL
- SLC
1 stop8h 41m
Alaska Airlines
Tue 9/152:34 pm
SLC
- STL
2 stops25h 36m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$345
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:45 pm
MDW
- SLC
Nonstop3h 30m
Southwest
Thu 9/2411:25 am
SLC
- MDW
1 stop7h 40m
Southwest
Deal found 7/26![Southwest logo]()
$295
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/215:00 am
ORD
- SGU
1 stop6h 20m
United Airlines
Sun 8/235:00 am
SGU
- ORD
1 stop5h 28m
United Airlines
Deal found 7/30![United Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:05 am
MDW
- SLC
Nonstop3h 20m
Southwest
Sat 10/36:20 am
SLC
- MDW
2 stops10h 40m
Southwest
Deal found 7/26![Southwest logo]()
$306
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:03 pm
ORD
- SLC
Nonstop3h 37m
Delta
Sat 11/147:45 am
SLC
- ORD
Nonstop3h 18m
Delta
Deal found 7/26![Delta logo]()
$337
This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/94:03 pm
BMI
- SLC
1 stop8h 05m
American Airlines
Wed 1/132:22 pm
SLC
- BMI
1 stop6h 54m
American Airlines
Deal found 7/27![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:30 pm
ORD
- SGU
1 stop5h 42m
United Airlines
Sat 9/1210:16 am
SGU
- ORD
1 stop7h 49m
United Airlines
Deal found 7/28![United Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/284:49 pm
BMI
- SLC
1 stop6h 26m
American Airlines
Sun 8/305:05 pm
SLC
- BMI
1 stop5h 54m
American Airlines
Deal found 7/30![American Airlines logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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.
Sun 1/176:00 am
ORD
- SLC
1 stop9h 46m
Alaska Airlines
Wed 1/2011:12 am
SLC
- ORD
1 stop7h 43m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$382
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:15 am
PIA
- SLC
1 stop6h 20m
United Airlines
Mon 9/284:10 pm
SLC
- PIA
1 stop5h 48m
United Airlines
Deal found 7/28![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/147:40 pm
ORD
- SLC
Nonstop3h 35m
Delta
Mon 9/217:45 am
SLC
- ORD
Nonstop3h 10m
Delta
Deal found 7/30![Delta logo]()
$362
This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:00 am
MLI
- SGU
2 stops12h 01m
American Airlines
Wed 9/211:09 am
SGU
- MLI
2 stops11h 59m
American Airlines
Deal found 7/27![American Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:35 pm
MDW
- SLC
Nonstop3h 30m
Southwest
Fri 9/181:20 pm
SLC
- MDW
Nonstop3h 00m
Southwest
Deal found 7/28![Southwest logo]()
$345
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/23:56 pm
ORD
- SLC
1 stop6h 13m
United Airlines
Wed 9/94:17 pm
SLC
- ORD
Nonstop3h 23m
United Airlines
Deal found 7/29![United Airlines logo]()
$343
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 10/145:00 am
BMI
- SLC
1 stop6h 58m
American Airlines
Mon 10/191:32 pm
SLC
- BMI
2 stops9h 27m
American Airlines
Deal found 7/30![American Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 8/198:45 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Tue 8/2511:10 am
SLC
- MDW
1 stop8h 35m
Southwest
Deal found 7/29![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:00 pm
ORD
- SLC
Nonstop3h 35m
Delta
Fri 8/282:05 pm
SLC
- ORD
Nonstop3h 14m
Delta
Deal found 7/28![Delta logo]()
$392
This Alaska Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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.
Thu 8/273:04 pm
STL
- SLC
1 stop8h 36m
Alaska Airlines
Sat 8/298:44 am
SLC
- STL
1 stop7h 26m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/33:50 pm
ORD
- SLC
1 stop6h 21m
United Airlines
Sat 10/1012:42 pm
SLC
- ORD
Nonstop3h 18m
United Airlines
Deal found 7/30![United Airlines logo]()
$343
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:32 pm
BMI
- SLC
2 stops11h 02m
American Airlines
Mon 11/165:30 pm
SLC
- BMI
1 stop5h 29m
American Airlines
Deal found 7/30![American Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:35 pm
MDW
- SLC
Nonstop3h 30m
Southwest
Tue 9/2211:30 am
SLC
- MDW
1 stop6h 40m
Southwest
Deal found 7/27![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 12/247:30 am
ORD
- SLC
Nonstop3h 44m
Delta
Fri 1/18:05 am
SLC
- ORD
Nonstop3h 20m
Delta
Deal found 7/31![Delta logo]()
$392
This Alaska Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:36 pm
STL
- SLC
1 stop17h 45m
Alaska Airlines
Sat 10/37:53 am
SLC
- STL
2 stops15h 06m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$446
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:10 pm
ORD
- SLC
Nonstop3h 38m
United Airlines
Tue 10/131:08 pm
SLC
- ORD
1 stop6h 14m
United Airlines
Deal found 7/26![United Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:15 am
MDW
- SLC
1 stop5h 40m
Southwest
Wed 10/144:45 pm
SLC
- MDW
1 stop5h 25m
Southwest
Deal found 7/29![Southwest logo]()
$352
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/286:00 am
PIA
- SLC
2 stops10h 41m
American Airlines
Fri 9/42:00 pm
SLC
- PIA
1 stop8h 19m
American Airlines
Deal found 7/31![American Airlines logo]()
$354
Last-minute flights from Illinois to UtahDiscover last-minute flight deals from Illinois to Utah. Data last updated July 31, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Utah. Data last updated July 31, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:57 pm
ORD
- SLC
1 stop10h 34m
Frontier
Mon 8/178:16 am
SLC
- ORD
1 stop11h 36m
Frontier
Deal found 7/26![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Wed 8/267:08 pm
SLC
- STL
1 stop23h 05m
Frontier
Deal found 7/28![Frontier logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Thu 8/276:05 am
SLC
- STL
1 stop12h 08m
Frontier
Deal found 7/28![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/202:41 pm
ORD
- SLC
1 stop17h 50m
Frontier
Sat 8/226:05 am
SLC
- ORD
1 stop6h 31m
Frontier
Deal found 7/30![Frontier logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/247:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Thu 10/159:28 pm
SLC
- STL
1 stop20h 47m
Frontier
Deal found 7/30![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/247:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Wed 10/149:28 pm
SLC
- STL
1 stop20h 47m
Frontier
Deal found 7/30![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/247:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Wed 11/49:28 pm
SLC
- STL
1 stop20h 47m
Frontier
Deal found 7/30![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/247:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Tue 11/39:28 pm
SLC
- STL
2 stops35h 12m
Frontier
Deal found 7/30![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Thu 8/276:05 am
SLC
- STL
1 stop12h 08m
Frontier
Deal found 7/28![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/277:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Thu 9/36:05 am
SLC
- STL
2 stops9h 26m
Frontier
Deal found 7/30![Frontier logo]()
$226
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/297:33 am
MLI
- SLC
1 stop6h 40m
American Airlines
Sat 9/55:05 pm
SLC
- MLI
1 stop6h 03m
American Airlines
Deal found 7/30![American Airlines logo]()
$271
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:05 am
MLI
- SLC
2 stops9h 02m
United Airlines
Sat 9/58:10 am
SLC
- MLI
1 stop6h 44m
United Airlines
Deal found 7/30![United Airlines logo]()
$276
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 July 31, 2026.
Search for one-way flight options from Illinois to Utah. Find affordable one-way fares based on user searches. Data last updated July 31, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/238:10 pm
STL
- SLC
1 stop20h 11m
Frontier
Deal found 7/30![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/168:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Deal found 7/30![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/98:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Deal found 7/31![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/138:10 pm
STL
- SLC
1 stop12h 53m
Frontier
Deal found 7/28![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Deal found 7/28![Frontier logo]()
$78
This Trip.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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.
Sun 9/208:10 pm
STL
- SLC
1 stop20h 11m
Frontier
Deal found 7/29![Frontier logo]()
$83
This Trip.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 10/238:10 pm
STL
- SLC
1 stop12h 53m
Frontier
Deal found 7/31![Frontier logo]()
$84
This Trip.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/188:10 pm
STL
- SLC
1 stop20h 11m
Frontier
Deal found 7/29![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/131:02 pm
STL
- SLC
1 stop27h 19m
Frontier
Deal found 7/30![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 11/28:10 pm
STL
- SLC
1 stop14h 25m
Frontier
Deal found 7/30![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/268:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Deal found 7/30![Frontier logo]()
$88
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:57 pm
MLI
- SLC
1 stop6h 02m
American Airlines
Deal found 7/28![American Airlines logo]()
$136
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 July 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $140 (Kiwi.com) |
One-way from | $71 (Kiwi.com) |
Popular in | July |
Cheapest in | October |
Average price | $506 |
Good round-trip deal | $168 or less |
Good one-way deal | $202 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 July 31, 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
Sat 8/29
9:05 am-5:07 pm
2 stops9h 02m
Salt Lake City
Sat 9/5
8:10 am-3:54 pm
1 stop6h 44m
$276
MolineSalt Lake City
MLI - SLC
MLISLC
Moline Quad-City
Sat 9/12
6:00 am-3:51 pm
2 stops10h 51m
Salt Lake City
Sat 9/19
5:00 am-11:38 am
1 stop5h 38m
$276
ChicagoSalt Lake City
MDW - SLC
MDWSLC
Chicago Midway
Wed 9/9
8:45 pm-11:15 pm
Nonstop3h 30m
Salt Lake City
Wed 9/16
11:30 am-7:10 pm
1 stop6h 40m
$295
ChicagoSalt Lake City
MDW - SLC
MDWSLC
Chicago Midway
Tue 9/15
8:45 pm-11:15 pm
Nonstop3h 30m
Salt Lake City
Thu 9/24
11:25 am-8:05 pm
1 stop7h 40m
$295
ChicagoSalt Lake City
MDW - SLC
MDWSLC
Chicago Midway
Sat 9/26
10:05 am-12:25 pm
Nonstop3h 20m
Salt Lake City
Sat 10/3
6:20 am-6:00 pm
2 stops10h 40m
$306
ChicagoSaint George
ORD - SGU
ORDSGU
Chicago O'Hare Intl
Fri 8/21
5:00 am-10:20 am
1 stop6h 20m
Saint George
Sun 8/23
5:00 am-11:28 am
1 stop5h 28m
$328
ChicagoSaint George
ORD - SGU
ORDSGU
Chicago O'Hare Intl
Sat 9/5
1:30 pm-6:12 pm
1 stop5h 42m
Saint George
Sat 9/12
10:16 am-7:05 pm
1 stop7h 49m
$328
PeoriaSalt Lake City
PIA - SLC
PIASLC
Greater Peoria
Fri 9/25
6:15 am-11:35 am
1 stop6h 20m
Salt Lake City
Mon 9/28
4:10 pm-10:58 pm
1 stop5h 48m
$329
ChicagoSalt Lake City
ORD - SLC
ORDSLC
Chicago O'Hare Intl
Thu 9/3
2:00 pm-4:35 pm
Nonstop3h 35m
Salt Lake City
Mon 9/7
2:05 pm-6:19 pm
Nonstop3h 14m
$337
ChicagoSalt Lake City
ORD - SLC
ORDSLC
Chicago O'Hare Intl
Wed 11/11
2:03 pm-4:40 pm
Nonstop3h 37m
Salt Lake City
Sat 11/14
7:45 am-12:03 pm
Nonstop3h 18m
$337
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.
MLI-SLC
MDW-SLC
ORD-SLC
STL-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
MLI-SLC
MDW-SLC
ORD-SLC
STL-SLC
What is the cheapest month to book a flight from Illinois to Utah?
Currently, September is the cheapest month in which you can book a flight from Illinois to Utah (average of $380). Flying from Illinois to Utah in March is currently the most expensive (average of $484). 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 July 31, 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 37% 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 July 31, 2026.
The most flights from USIL to USUT are scheduled on a Thursday (35 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).
How much does it cost to fly round-trip from Illinois to Utah?
Airfare is below average for this route at the moment.
Illinois to Utah flights typically cost between $358 and $542 in August.The cheapest round-trip price found within the last 5 days was $275 on Frontier (Aug 20-Aug 22).
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 July 31, 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
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Overall
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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 July 31, 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 July 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$143 | Average$249 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$178 | Average$428 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$258 | Average$443 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$275 | Average$483 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$321 | Average$487 | FlexibilityNo cancel fee | On-time63% |