$51+ 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SLC
Mar 10 — Mar 171
1 adult, Economy
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Find cheap flights from Illinois to Utah with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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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 February 8, 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 February 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/78:12 pm
STL
- SLC
1 stop11h 43m
Frontier
Tue 3/109:14 pm
SLC
- STL
1 stop11h 35m
Frontier
Deal found 2/5![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/78:12 pm
STL
- SLC
1 stop11h 43m
Frontier
Mon 3/910:59 pm
SLC
- STL
2 stops33h 50m
Frontier
Deal found 2/6![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/168:12 pm
STL
- SLC
1 stop12h 43m
Frontier
Sun 3/227:35 am
SLC
- STL
1 stop25h 14m
Frontier
Deal found 2/8![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/171:00 pm
STL
- SLC
1 stop7h 29m
Frontier
Tue 3/249:14 pm
SLC
- STL
1 stop11h 35m
Frontier
Deal found 2/5![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Wed 3/188:12 pm
STL
- SLC
1 stop12h 43m
Frontier
Sun 3/227:35 am
SLC
- STL
1 stop25h 14m
Frontier
Deal found 2/7![Frontier logo]()
$174
This CheapOair deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:11 pm
STL
- SLC
1 stop16h 22m
Frontier
Thu 2/269:59 pm
SLC
- STL
1 stop14h 10m
Frontier
Deal found 2/4![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Mon 3/168:12 pm
STL
- SLC
1 stop12h 43m
Frontier
Mon 3/2310:59 pm
SLC
- STL
1 stop11h 20m
Frontier
Deal found 2/7![Frontier logo]()
$176
This Expedia deal was found by Cheapflights users on 2/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/269:55 pm
STL
- SLC
1 stop11h 57m
Frontier
Mon 5/49:59 pm
SLC
- STL
1 stop24h 20m
Frontier
Deal found 2/6![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/92:09 pm
STL
- SLC
2 stops35h 05m
Frontier
Wed 3/118:30 pm
SLC
- STL
1 stop21h 41m
Frontier
Deal found 2/5![Frontier logo]()
$181
This American Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/105:00 am
ORD
- SGU
1 stop7h 21m
American Airlines
Tue 3/104:31 pm
SGU
- ORD
1 stop7h 20m
American Airlines
Deal found 2/5![American Airlines logo]()
$206
This United Airlines deal was found by Cheapflights users on 2/7. 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 4/147:00 am
ORD
- SGU
1 stop10h 15m
United Airlines
Wed 4/225:22 pm
SGU
- ORD
1 stop6h 08m
United Airlines
Deal found 2/7![United Airlines logo]()
$258
This American Airlines deal was found by Cheapflights users on 2/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/183:31 pm
MLI
- SLC
1 stop8h 17m
American Airlines
Wed 3/256:20 am
SLC
- MLI
1 stop6h 01m
American Airlines
Deal found 2/8![American Airlines logo]()
$271
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 February 8, 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 February 8, 2026.
This American Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/105:00 am
ORD
- SGU
1 stop7h 21m
American Airlines
Tue 3/104:31 pm
SGU
- ORD
1 stop7h 20m
American Airlines
Deal found 2/5![American Airlines logo]()
$206
This United Airlines deal was found by Cheapflights users on 2/7. 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 4/147:00 am
ORD
- SGU
1 stop10h 15m
United Airlines
Wed 4/225:22 pm
SGU
- ORD
1 stop6h 08m
United Airlines
Deal found 2/7![United Airlines logo]()
$258
This Southwest deal was found by Cheapflights users on 2/7. 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.
Wed 4/227:30 am
MDW
- SLC
1 stop6h 50m
Southwest
Tue 4/281:20 pm
SLC
- MDW
1 stop7h 10m
Southwest
Deal found 2/7![Southwest logo]()
$337
This Delta deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 5/57:20 am
ORD
- SLC
Nonstop3h 42m
Delta
Mon 5/1111:02 pm
SLC
- ORD
1 stop13h 31m
Delta
Deal found 2/5![Delta logo]()
$340
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:07 pm
ORD
- SLC
1 stop9h 38m
Alaska Airlines
Thu 3/126:52 pm
SLC
- ORD
1 stop28h 07m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$343
This Kiwi.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 5/64:29 pm
EVV
- SLC
1 stop29h 00m
Multiple Airlines
Mon 5/1110:33 pm
SLC
- EVV
2 stops40h 16m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$358
This American Airlines deal was found by Cheapflights users on 2/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/243:45 pm
BMI
- SLC
1 stop6h 19m
American Airlines
Sat 2/286:30 am
SLC
- BMI
1 stop7h 03m
American Airlines
Deal found 2/6![American Airlines logo]()
$294
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 2/217:10 am
ORD
- SGU
1 stop9h 56m
United Airlines
Tue 2/241:47 pm
SGU
- ORD
1 stop6h 42m
United Airlines
Deal found 2/4![United Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2811:19 am
MLI
- SLC
2 stops12h 57m
American Airlines
Tue 6/25:06 pm
SLC
- MLI
1 stop5h 27m
American Airlines
Deal found 2/4![American Airlines logo]()
$295
This Southwest deal was found by Cheapflights users on 2/7. 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.
Tue 5/54:00 pm
MDW
- SLC
2 stops8h 15m
Southwest
Tue 5/1211:10 am
SLC
- MDW
2 stops7h 45m
Southwest
Deal found 2/7![Southwest logo]()
$343
This United Airlines deal was found by Cheapflights users on 2/6. 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 2/215:50 pm
ORD
- SGU
1 stop6h 15m
United Airlines
Wed 2/2511:24 am
SGU
- ORD
1 stop6h 31m
United Airlines
Deal found 2/6![United Airlines logo]()
$318
This KAYAK deal was found by Cheapflights users on 2/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/33:07 pm
ORD
- SLC
1 stop9h 38m
Alaska Airlines
Thu 3/56:20 am
SLC
- ORD
1 stop9h 13m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 2/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/101:19 pm
ORD
- SLC
Nonstop3h 46m
Delta
Sat 3/1411:07 am
SLC
- ORD
1 stop11h 44m
Delta
Deal found 2/7![Delta logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/98:35 pm
PIA
- SLC
1 stop13h 25m
Multiple Airlines
Wed 3/119:14 pm
SLC
- PIA
2 stops37h 40m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$375
This American Airlines deal was found by Cheapflights users on 2/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/265:00 am
ORD
- SGU
1 stop7h 29m
American Airlines
Tue 4/284:38 pm
SGU
- ORD
1 stop6h 54m
American Airlines
Deal found 2/6![American Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 2/7. 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.
Tue 5/511:55 am
ORD
- SLC
2 stops9h 45m
Southwest
Tue 5/127:05 am
SLC
- ORD
2 stops10h 45m
Southwest
Deal found 2/7![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 2/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:45 pm
ORD
- SLC
Nonstop3h 41m
Delta
Wed 3/1111:07 am
SLC
- ORD
1 stop11h 44m
Delta
Deal found 2/7![Delta logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 2/7. 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 3/88:20 am
ORD
- SLC
1 stop28h 57m
Alaska Airlines
Wed 3/1112:45 pm
SLC
- ORD
1 stop10h 11m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/77:00 am
ORD
- SGU
1 stop10h 06m
United Airlines
Sat 3/145:29 pm
SGU
- ORD
1 stop5h 23m
United Airlines
Deal found 2/5![United Airlines logo]()
$338
This American Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/76:59 pm
ORD
- SGU
1 stop6h 31m
American Airlines
Sat 3/144:31 pm
SGU
- ORD
1 stop7h 20m
American Airlines
Deal found 2/5![American Airlines logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 2/278:20 am
ORD
- SLC
1 stop16h 25m
Alaska Airlines
Mon 3/29:00 am
SLC
- ORD
2 stops13h 59m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$376
This Delta deal was found by Cheapflights users on 2/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:10 pm
ORD
- SLC
Nonstop3h 37m
Delta
Mon 3/168:00 am
SLC
- ORD
Nonstop3h 18m
Delta
Deal found 2/7![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 2/7. 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 5/165:10 am
MDW
- SLC
1 stop7h 30m
Southwest
Sat 5/237:40 am
SLC
- MDW
2 stops8h 35m
Southwest
Deal found 2/7![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 45m
United Airlines
Sat 5/27:15 am
SLC
- MLI
1 stop6h 57m
United Airlines
Deal found 2/4![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 2/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/97:10 pm
ORD
- SLC
Nonstop3h 37m
Delta
Thu 3/121:59 pm
SLC
- ORD
Nonstop3h 06m
Delta
Deal found 2/7![Delta logo]()
$377
This Alaska Airlines deal was found by Cheapflights users on 2/7. 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.
Thu 4/94:20 pm
STL
- SLC
1 stop8h 39m
Alaska Airlines
Mon 4/1311:06 am
SLC
- STL
1 stop11h 53m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 2/6. 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.
Mon 3/239:25 pm
MDW
- SLC
Nonstop3h 30m
Southwest
Mon 3/3010:05 pm
SLC
- MDW
1 stop6h 40m
Southwest
Deal found 2/6![Southwest logo]()
$387
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 4/298:25 pm
ORD
- SLC
Nonstop3h 42m
United Airlines
Sat 5/22:33 pm
SLC
- ORD
1 stop5h 50m
United Airlines
Deal found 2/4![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 4/232:09 pm
ORD
- SLC
Nonstop3h 31m
Delta
Mon 4/271:58 pm
SLC
- ORD
Nonstop3h 09m
Delta
Deal found 2/5![Delta logo]()
$377
This Southwest deal was found by Cheapflights users on 2/7. 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.
Tue 3/108:40 pm
MDW
- SLC
Nonstop3h 30m
Southwest
Wed 3/112:55 pm
SLC
- MDW
1 stop6h 20m
Southwest
Deal found 2/7![Southwest logo]()
$387
Last-minute flights from Illinois to UtahDiscover last-minute flight deals from Illinois to Utah. Data last updated February 8, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Utah. Data last updated February 8, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 2/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/212:51 pm
STL
- SLC
1 stop10h 23m
Frontier
Fri 2/276:24 am
SLC
- STL
1 stop5h 45m
Frontier
Deal found 2/6![Frontier logo]()
$180
This CheapOair deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:11 pm
STL
- SLC
1 stop16h 22m
Frontier
Thu 2/269:59 pm
SLC
- STL
1 stop14h 10m
Frontier
Deal found 2/4![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/78:12 pm
STL
- SLC
1 stop11h 43m
Frontier
Tue 3/109:14 pm
SLC
- STL
1 stop11h 35m
Frontier
Deal found 2/5![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/78:12 pm
STL
- SLC
1 stop11h 43m
Frontier
Mon 3/910:59 pm
SLC
- STL
2 stops33h 50m
Frontier
Deal found 2/6![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/78:12 pm
STL
- SLC
1 stop11h 43m
Frontier
Mon 3/1610:59 pm
SLC
- STL
1 stop19h 12m
Frontier
Deal found 2/6![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/92:09 pm
STL
- SLC
2 stops35h 05m
Frontier
Wed 3/118:30 pm
SLC
- STL
1 stop21h 41m
Frontier
Deal found 2/5![Frontier logo]()
$181
This American Airlines deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/105:00 am
ORD
- SGU
1 stop7h 21m
American Airlines
Tue 3/104:31 pm
SGU
- ORD
1 stop7h 20m
American Airlines
Deal found 2/5![American Airlines logo]()
$206
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/168:12 pm
STL
- SLC
1 stop12h 43m
Frontier
Sun 3/227:35 am
SLC
- STL
1 stop25h 14m
Frontier
Deal found 2/8![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Mon 3/168:12 pm
STL
- SLC
1 stop12h 43m
Frontier
Mon 3/2310:59 pm
SLC
- STL
1 stop11h 20m
Frontier
Deal found 2/7![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/171:00 pm
STL
- SLC
1 stop7h 29m
Frontier
Tue 3/249:14 pm
SLC
- STL
1 stop11h 35m
Frontier
Deal found 2/5![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Wed 3/188:12 pm
STL
- SLC
1 stop12h 43m
Frontier
Sun 3/227:35 am
SLC
- STL
1 stop25h 14m
Frontier
Deal found 2/7![Frontier logo]()
$174
This American Airlines deal was found by Cheapflights users on 2/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/183:31 pm
MLI
- SLC
1 stop8h 17m
American Airlines
Wed 3/256:20 am
SLC
- MLI
1 stop6h 01m
American Airlines
Deal found 2/8![American Airlines logo]()
$271
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 February 8, 2026.
Search for one-way flight options from Illinois to Utah. Find affordable one-way fares based on user searches. Data last updated February 8, 2026.
This Trip.com deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” 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 3/78:12 pm
STL
- SLC
1 stop11h 43m
Frontier
Deal found 2/4![Frontier logo]()
$51
This Trip.com deal was found by Cheapflights users on 2/7. 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 4/188:12 pm
STL
- SLC
1 stop15h 42m
Frontier
Deal found 2/7![Frontier logo]()
$60
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Sat 5/28:12 pm
STL
- SLC
1 stop12h 49m
Frontier
Deal found 2/7![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 5/98:12 pm
STL
- SLC
1 stop12h 49m
Frontier
Deal found 2/8![Frontier logo]()
$66
This Super.com deal was found by Cheapflights users on 2/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/282:51 pm
STL
- SLC
1 stop18h 53m
Frontier
Deal found 2/6![Frontier logo]()
$69
This Frontier deal was found by Cheapflights users on 2/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:54 pm
STL
- SLC
1 stop5h 05m
Frontier
Deal found 2/6![Frontier logo]()
$74
This Trip.com deal was found by Cheapflights users on 2/7. 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.
Thu 4/308:12 pm
STL
- SLC
1 stop12h 49m
Frontier
Deal found 2/7![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Mon 4/208:12 pm
STL
- SLC
1 stop16h 02m
Frontier
Deal found 2/7![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Mon 5/48:12 pm
STL
- SLC
1 stop28h 02m
Frontier
Deal found 2/7![Frontier logo]()
$78
This American Airlines deal was found by Cheapflights users on 2/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/95:00 am
ORD
- SGU
1 stop7h 21m
American Airlines
Deal found 2/6![American Airlines logo]()
$103
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 3/188:44 pm
MLI
- SLC
1 stop13h 38m
Multiple Airlines
Deal found 2/5![Multiple Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” 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 2/266:25 am
MDW
- SLC
2 stops18h 49m
Frontier
Deal found 2/5![Frontier logo]()
$154
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 February 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $110 (Kiwi.com) |
One-way from | $51 (Trip.com) |
Popular in | January |
Cheapest in | October |
Average price | $456 |
Good round-trip deal | $379 or less |
Good one-way deal | $217 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 February 8, 2026.
Use the filters below to find and compare flights from Illinois to Utah that are best for you.
Fly from
Illinois
Fly to
Utah
Route
Depart
Return
Price
ChicagoSaint George
ORD - SGU
ORDSGU
Chicago O'Hare Intl
Tue 3/10
5:00 am-11:21 am
1 stop7h 21m
Saint George
Tue 3/10
4:31 pm-12:51 am
1 stop7h 20m
$206
ChicagoSaint George
ORD - SGU
ORDSGU
Chicago O'Hare Intl
Tue 4/14
7:00 am-4:15 pm
1 stop10h 15m
Saint George
Wed 4/22
5:22 pm-12:30 am
1 stop6h 08m
$258
BloomingtonSalt Lake City
BMI - SLC
BMISLC
Bloomington-Normal
Tue 2/24
3:45 pm-9:04 pm
1 stop6h 19m
Salt Lake City
Sat 2/28
6:30 am-2:33 pm
1 stop7h 03m
$294
MolineSalt Lake City
MLI - SLC
MLISLC
Moline Quad-City
Thu 5/28
11:19 am-11:16 pm
2 stops12h 57m
Salt Lake City
Tue 6/2
5:06 pm-11:33 pm
1 stop5h 27m
$295
ChicagoSaint George
ORD - SGU
ORDSGU
Chicago O'Hare Intl
Sun 4/26
5:00 am-11:29 am
1 stop7h 29m
Saint George
Tue 4/28
4:38 pm-12:32 am
1 stop6h 54m
$311
ChicagoSaint George
ORD - SGU
ORDSGU
Chicago O'Hare Intl
Sat 2/21
7:10 am-4:06 pm
1 stop9h 56m
Saint George
Tue 2/24
1:47 pm-9:29 pm
1 stop6h 42m
$318
ChicagoSaint George
ORD - SGU
ORDSGU
Chicago O'Hare Intl
Sat 2/21
5:50 pm-11:05 pm
1 stop6h 15m
Saint George
Wed 2/25
11:24 am-6:55 pm
1 stop6h 31m
$318
ChicagoSaint George
ORD - SGU
ORDSGU
Chicago O'Hare Intl
Sat 3/7
6:59 pm-12:30 am
1 stop6h 31m
Saint George
Sat 3/14
4:31 pm-12:51 am
1 stop7h 20m
$327
ChicagoSalt Lake City
MDW - SLC
MDWSLC
Chicago Midway
Wed 4/22
7:30 am-1:20 pm
1 stop6h 50m
Salt Lake City
Tue 4/28
1:20 pm-9:30 pm
1 stop7h 10m
$337
ChicagoSaint George
ORD - SGU
ORDSGU
Chicago O'Hare Intl
Sat 3/7
7:00 am-4:06 pm
1 stop10h 06m
Saint George
Sat 3/14
5:29 pm-11:52 pm
1 stop5h 23m
$338
Showing 1-10 of 60 results
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-SGU
MLI-SLC
ORD-SLC
MDW-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
STL-SLC
ORD-SGU
MLI-SLC
ORD-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 June is currently the most expensive (average of $225). 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 February 8, 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 14% 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 Saturday evenings 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.
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 February 8, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United 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.
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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 February 8, 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 6 airlines flying from Illinois to Utah
Discover the top 6 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 February 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$90 | Average$241 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$101 | Average$256 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$172 | Average$353 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$202 | Average$476 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$227 | Average$483 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$300 | Average$467 | FlexibilityNo cancel fee | On-time63% |