$70+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SLC
Apr 11 — Apr 181
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 March 12, 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 March 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/68:19 pm
STL
- SLC
1 stop12h 46m
Frontier
Fri 4/1710:13 pm
SLC
- STL
1 stop20h 19m
Frontier
Deal found 3/9![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/88:16 pm
STL
- SLC
1 stop12h 49m
Frontier
Fri 4/1710:13 pm
SLC
- STL
1 stop20h 19m
Frontier
Deal found 3/9![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/68:19 pm
STL
- SLC
1 stop12h 46m
Frontier
Wed 4/157:49 pm
SLC
- STL
1 stop22h 32m
Frontier
Deal found 3/9![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/88:16 pm
STL
- SLC
1 stop12h 49m
Frontier
Wed 4/157:49 pm
SLC
- STL
1 stop22h 32m
Frontier
Deal found 3/11![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/138:19 pm
STL
- SLC
1 stop15h 55m
Frontier
Wed 4/157:49 pm
SLC
- STL
1 stop22h 32m
Frontier
Deal found 3/11![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/68:19 pm
STL
- SLC
1 stop12h 46m
Frontier
Sun 4/127:35 am
SLC
- STL
1 stop25h 13m
Frontier
Deal found 3/9![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/88:16 pm
STL
- SLC
1 stop12h 49m
Frontier
Sun 4/127:35 am
SLC
- STL
1 stop25h 13m
Frontier
Deal found 3/9![Frontier logo]()
$178
This Frontier deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
Wed 4/88:16 pm
STL
- SLC
1 stop4h 53m
Frontier
Thu 4/167:35 am
SLC
- STL
1 stop10h 46m
Frontier
Deal found 3/9![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/138:19 pm
STL
- SLC
1 stop15h 55m
Frontier
Thu 4/1611:49 am
SLC
- STL
1 stop6h 32m
Frontier
Deal found 3/11![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/108:16 pm
STL
- SLC
1 stop15h 38m
Frontier
Sun 4/127:35 am
SLC
- STL
1 stop25h 13m
Frontier
Deal found 3/11![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/248:58 pm
ORD
- SLC
1 stop16h 01m
Multiple Airlines
Sun 4/269:59 pm
SLC
- ORD
2 stops11h 24m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/35:15 am
ORD
- SLC
1 stop10h 36m
Frontier
Mon 4/69:17 pm
SLC
- ORD
2 stops25h 23m
Frontier
Deal found 3/7![Frontier logo]()
$286
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 March 12, 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 March 12, 2026.
This American Airlines deal was found by Cheapflights users on 3/12. 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.
Sat 4/115:00 am
ORD
- SGU
1 stop7h 29m
American Airlines
Sat 4/184:38 pm
SGU
- ORD
1 stop6h 54m
American Airlines
Deal found 3/12![American Airlines logo]()
$298
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 3/316:30 am
PIA
- SLC
1 stop6h 13m
United Airlines
Tue 4/72:35 pm
SLC
- PIA
1 stop5h 44m
United Airlines
Deal found 3/8![United Airlines logo]()
$299
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 4/101:10 pm
MDW
- SGU
2 stops11h 46m
Delta
Wed 4/151:15 pm
SGU
- MDW
2 stops8h 13m
Delta
Deal found 3/10![Delta logo]()
$309
This Trip.com deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/25:01 am
MDW
- SLC
1 stop8h 51m
Frontier
Tue 4/77:35 am
SLC
- MDW
2 stops13h 44m
Frontier
Deal found 3/6![Frontier logo]()
$333
This Southwest deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 6/612:15 pm
MDW
- SLC
2 stops9h 20m
Southwest
Sat 6/1310:00 am
SLC
- MDW
2 stops8h 20m
Southwest
Deal found 3/7![Southwest logo]()
$400
This Alaska Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/267:00 am
STL
- SLC
1 stop8h 41m
Alaska Airlines
Tue 4/283:37 pm
SLC
- STL
1 stop7h 22m
Alaska Airlines
Deal found 3/7![Alaska Airlines logo]()
$439
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/101:10 pm
MDW
- SGU
2 stops11h 46m
Delta
Tue 4/148:50 am
SGU
- MDW
2 stops12h 38m
Delta
Deal found 3/11![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/118:54 am
MLI
- SLC
1 stop5h 25m
United Airlines
Tue 4/141:12 pm
SLC
- MLI
2 stops8h 50m
United Airlines
Deal found 3/9![United Airlines logo]()
$316
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 5/111:16 am
BMI
- SLC
1 stop5h 59m
American Airlines
Mon 5/45:05 pm
SLC
- BMI
1 stop5h 47m
American Airlines
Deal found 3/11![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 4/61:10 pm
MDW
- SGU
2 stops9h 43m
Delta
Tue 4/148:50 am
SGU
- MDW
2 stops12h 38m
Delta
Deal found 3/10![Delta logo]()
$309
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/232:46 pm
BMI
- SLC
2 stops9h 16m
American Airlines
Tue 5/55:05 pm
SLC
- BMI
1 stop5h 47m
American Airlines
Deal found 3/9![American Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 4/72:05 pm
MDW
- SGU
2 stops8h 48m
Delta
Tue 4/148:50 am
SGU
- MDW
2 stops12h 38m
Delta
Deal found 3/10![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/305:30 pm
PIA
- SLC
1 stop6h 20m
United Airlines
Sun 5/37:15 am
SLC
- PIA
1 stop5h 48m
United Airlines
Deal found 3/8![United Airlines logo]()
$340
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 4/296:10 am
MDW
- SLC
1 stop5h 55m
Southwest
Tue 5/57:45 am
SLC
- MDW
Nonstop3h 00m
Southwest
Deal found 3/6![Southwest logo]()
$405
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 8/257:00 am
ORD
- SGU
1 stop10h 04m
United Airlines
Sat 8/2911:30 am
SGU
- ORD
1 stop8h 54m
United Airlines
Deal found 3/7![United Airlines logo]()
$358
This American Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 5/305:02 pm
SLC
- MLI
1 stop5h 53m
American Airlines
Deal found 3/11![American Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 4/219:00 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Tue 4/2811:10 am
SLC
- MDW
2 stops7h 45m
Southwest
Deal found 3/6![Southwest logo]()
$410
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/61:10 pm
MDW
- SGU
2 stops9h 43m
Delta
Fri 4/175:50 am
SGU
- MDW
2 stops11h 08m
Delta
Deal found 3/11![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 5/236:30 am
MLI
- SLC
1 stop5h 56m
United Airlines
Sat 5/304:13 pm
SLC
- MLI
1 stop5h 16m
United Airlines
Deal found 3/6![United Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/232:46 pm
BMI
- SLC
1 stop8h 38m
American Airlines
Sun 5/36:20 am
SLC
- BMI
1 stop6h 56m
American Airlines
Deal found 3/9![American Airlines logo]()
$379
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/99:45 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Sat 4/1112:20 pm
SLC
- MDW
1 stop7h 45m
Southwest
Deal found 3/11![Southwest logo]()
$419
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/72:05 pm
MDW
- SGU
2 stops8h 48m
Delta
Wed 4/151:15 pm
SGU
- MDW
2 stops8h 13m
Delta
Deal found 3/11![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 4/283:20 pm
MLI
- SLC
1 stop8h 50m
United Airlines
Sat 5/27:15 am
SLC
- MLI
1 stop6h 57m
United Airlines
Deal found 3/6![United Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/2211:16 am
BMI
- SLC
1 stop5h 59m
American Airlines
Sat 5/26:20 am
SLC
- BMI
1 stop6h 56m
American Airlines
Deal found 3/9![American Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/1410:35 am
MLI
- SLC
1 stop5h 47m
United Airlines
Sat 4/182:35 pm
SLC
- MLI
1 stop5h 57m
United Airlines
Deal found 3/7![United Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” 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 6/39:00 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Sun 6/76:45 am
SLC
- MDW
Nonstop3h 00m
Southwest
Deal found 3/6![Southwest logo]()
$449
This American Airlines deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/232:46 pm
BMI
- SLC
1 stop8h 38m
American Airlines
Tue 4/2812:17 pm
SLC
- BMI
2 stops10h 35m
American Airlines
Deal found 3/9![American Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/67:20 am
ORD
- SGU
1 stop6h 11m
Delta
Wed 4/155:50 am
SGU
- ORD
2 stops11h 45m
Delta
Deal found 3/11![Delta logo]()
$394
This United Airlines deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 5/910:49 am
ORD
- SLC
1 stop5h 42m
United Airlines
Tue 6/212:34 pm
SLC
- ORD
Nonstop3h 25m
United Airlines
Deal found 3/8![United Airlines logo]()
$372
This Southwest deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/99:45 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Sun 4/125:20 am
SLC
- MDW
1 stop4h 55m
Southwest
Deal found 3/9![Southwest logo]()
$459
Last-minute flights from Illinois to UtahDiscover last-minute flight deals from Illinois to Utah. Data last updated March 12, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Utah. Data last updated March 12, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/35:15 am
ORD
- SLC
1 stop10h 36m
Frontier
Mon 4/69:17 pm
SLC
- ORD
2 stops25h 23m
Frontier
Deal found 3/7![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/68:19 pm
STL
- SLC
1 stop12h 46m
Frontier
Fri 4/1710:13 pm
SLC
- STL
1 stop20h 19m
Frontier
Deal found 3/9![Frontier logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/68:19 pm
STL
- SLC
1 stop12h 46m
Frontier
Wed 4/157:49 pm
SLC
- STL
1 stop22h 32m
Frontier
Deal found 3/9![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/68:19 pm
STL
- SLC
1 stop12h 46m
Frontier
Sun 4/127:35 am
SLC
- STL
1 stop25h 13m
Frontier
Deal found 3/9![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/88:16 pm
STL
- SLC
1 stop12h 49m
Frontier
Fri 4/1710:13 pm
SLC
- STL
1 stop20h 19m
Frontier
Deal found 3/9![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/88:16 pm
STL
- SLC
1 stop12h 49m
Frontier
Wed 4/157:49 pm
SLC
- STL
1 stop22h 32m
Frontier
Deal found 3/11![Frontier logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/88:16 pm
STL
- SLC
1 stop12h 49m
Frontier
Sun 4/127:35 am
SLC
- STL
1 stop25h 13m
Frontier
Deal found 3/9![Frontier logo]()
$178
This Frontier deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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.
Wed 4/88:16 pm
STL
- SLC
1 stop4h 53m
Frontier
Thu 4/167:35 am
SLC
- STL
1 stop10h 46m
Frontier
Deal found 3/9![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/108:16 pm
STL
- SLC
1 stop15h 38m
Frontier
Sun 4/127:35 am
SLC
- STL
1 stop25h 13m
Frontier
Deal found 3/11![Frontier logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/138:19 pm
STL
- SLC
1 stop15h 55m
Frontier
Wed 4/157:49 pm
SLC
- STL
1 stop22h 32m
Frontier
Deal found 3/11![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/138:19 pm
STL
- SLC
1 stop15h 55m
Frontier
Thu 4/1611:49 am
SLC
- STL
1 stop6h 32m
Frontier
Deal found 3/11![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/248:58 pm
ORD
- SLC
1 stop16h 01m
Multiple Airlines
Sun 4/269:59 pm
SLC
- ORD
2 stops11h 24m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$285
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 March 12, 2026.
Search for one-way flight options from Illinois to Utah. Find affordable one-way fares based on user searches. Data last updated March 12, 2026.
This Trip.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/188:17 pm
STL
- SLC
1 stop12h 44m
Frontier
Deal found 3/7![Frontier logo]()
$70
This Trip.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 5/98:12 pm
STL
- SLC
1 stop12h 49m
Frontier
Deal found 3/10![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/258:17 pm
STL
- SLC
1 stop12h 44m
Frontier
Deal found 3/8![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/88:16 pm
STL
- SLC
1 stop12h 49m
Frontier
Deal found 3/11![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 4/68:19 pm
STL
- SLC
1 stop12h 46m
Frontier
Deal found 3/9![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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 4/108:16 pm
STL
- SLC
1 stop12h 49m
Frontier
Deal found 3/11![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 4/138:19 pm
STL
- SLC
1 stop15h 55m
Frontier
Deal found 3/8![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 3/8. Clicking the “Pick Dates” 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 6/38:08 pm
STL
- SLC
1 stop26h 10m
Frontier
Deal found 3/8![Frontier logo]()
$85
This Trip.com deal was found by Cheapflights users on 3/7. Clicking the “Pick Dates” 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 4/178:06 pm
STL
- SLC
1 stop12h 55m
Frontier
Deal found 3/7![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 3/9. Clicking the “Pick Dates” 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 5/3111:09 am
PIA
- SLC
1 stop24h 19m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 4/115:53 pm
ORD
- SLC
2 stops14h 53m
Frontier
Deal found 3/10![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 3/10. Clicking the “Pick Dates” 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 4/146:10 am
MDW
- SLC
3 stops18h 04m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$160
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 March 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $153 (Kiwi.com) |
One-way from | $70 (Trip.com) |
Popular in | December |
Cheapest in | August |
Average price | $448 |
Good round-trip deal | $191 or less |
Good one-way deal | $197 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 March 12, 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
ChicagoSaint George
ORD - SGU
ORDSGU
Chicago O'Hare Intl
Sat 4/11
5:00 am-11:29 am
1 stop7h 29m
Saint George
Sat 4/18
4:38 pm-12:32 am
1 stop6h 54m
$298
PeoriaSalt Lake City
PIA - SLC
PIASLC
Greater Peoria
Tue 3/31
6:30 am-11:43 am
1 stop6h 13m
Salt Lake City
Tue 4/7
2:35 pm-9:19 pm
1 stop5h 44m
$299
ChicagoSaint George
MDW - SGU
MDWSGU
Chicago Midway
Fri 4/10
1:10 pm-11:56 pm
2 stops11h 46m
Saint George
Wed 4/15
1:15 pm-10:28 pm
2 stops8h 13m
$309
ChicagoSaint George
MDW - SGU
MDWSGU
Chicago Midway
Fri 4/10
1:10 pm-11:56 pm
2 stops11h 46m
Saint George
Tue 4/14
8:50 am-10:28 pm
2 stops12h 38m
$309
ChicagoSaint George
MDW - SGU
MDWSGU
Chicago Midway
Mon 4/6
1:10 pm-9:53 pm
2 stops9h 43m
Saint George
Tue 4/14
8:50 am-10:28 pm
2 stops12h 38m
$309
ChicagoSaint George
MDW - SGU
MDWSGU
Chicago Midway
Tue 4/7
2:05 pm-9:53 pm
2 stops8h 48m
Saint George
Tue 4/14
8:50 am-10:28 pm
2 stops12h 38m
$309
MolineSalt Lake City
MLI - SLC
MLISLC
Moline Quad-City
Sat 4/11
8:54 am-1:19 pm
1 stop5h 25m
Salt Lake City
Tue 4/14
1:12 pm-11:02 pm
2 stops8h 50m
$316
BloomingtonSalt Lake City
BMI - SLC
BMISLC
Bloomington-Normal
Fri 5/1
11:16 am-4:15 pm
1 stop5h 59m
Salt Lake City
Mon 5/4
5:05 pm-11:52 pm
1 stop5h 47m
$319
BloomingtonSalt Lake City
BMI - SLC
BMISLC
Bloomington-Normal
Thu 4/23
2:46 pm-11:02 pm
2 stops9h 16m
Salt Lake City
Tue 5/5
5:05 pm-11:52 pm
1 stop5h 47m
$319
ChicagoSalt Lake City
MDW - SLC
MDWSLC
Chicago Midway
Thu 4/2
5:01 am-12:52 pm
1 stop8h 51m
Salt Lake City
Tue 4/7
7:35 am-10:19 pm
2 stops13h 44m
$333
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.
ORD-SGU
PIA-SLC
MDW-SGU
MDW-SLC
STL-SLC
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
ORD-SGU
PIA-SLC
MDW-SGU
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 $89). Flying from Illinois to Utah in February is currently the most expensive (average of $259). 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 March 12, 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 morning, which can drop the price by up to 16% 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 afternoons when fares are most often at their lowest. Sunday mornings 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 March 12, 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 (19 on average).
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 March 12, 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.
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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 March 12, 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 March 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$241 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$172 | Average$361 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$207 | Average$456 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$230 | Average$479 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$300 | Average$461 | FlexibilityNo cancel fee | On-time63% |