$86+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SLC
Aug 1 — Aug 81
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 July 2, 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 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/228:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Wed 7/296:05 am
SLC
- STL
1 stop12h 18m
Frontier
Deal found 7/2![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 7/298:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Tue 8/48:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 6/28![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 7/298:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Wed 8/58:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 6/29![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 7/228:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Tue 7/286:05 am
SLC
- STL
1 stop12h 18m
Frontier
Deal found 6/28![Frontier logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Tue 9/222:51 pm
SLC
- STL
1 stop20h 00m
Frontier
Deal found 7/1![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 8/18:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Wed 8/128:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 6/29![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 7/218:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Mon 7/273:41 pm
SLC
- STL
1 stop26h 42m
Frontier
Deal found 6/30![Frontier logo]()
$204
This Frontier deal was found by Cheapflights users on 6/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:10 pm
STL
- SLC
1 stop5h 14m
Frontier
Tue 10/272:51 pm
SLC
- STL
1 stop6h 48m
Frontier
Deal found 6/30![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Fri 8/77:10 pm
STL
- SLC
1 stop15h 16m
Frontier
Tue 8/116:05 am
SLC
- STL
1 stop12h 18m
Frontier
Deal found 6/30![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 7/207:10 pm
STL
- SLC
1 stop15h 16m
Frontier
Tue 7/288:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 6/28![Frontier logo]()
$217
This CheapOair deal was found by Cheapflights users on 6/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:45 pm
STL
- SLC
1 stop15h 41m
Frontier
Wed 9/99:28 pm
SLC
- STL
1 stop20h 47m
Frontier
Deal found 6/29![Frontier logo]()
$220
This American Airlines deal was found by Cheapflights users on 6/30. 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 9/124:57 pm
MLI
- SLC
1 stop6h 02m
American Airlines
Sat 9/197:00 am
SLC
- MLI
1 stop8h 03m
American Airlines
Deal found 6/30![American Airlines logo]()
$261
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 2, 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 2, 2026.
This American Airlines deal was found by Cheapflights users on 6/27. 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.
Tue 8/44:45 pm
MLI
- SLC
1 stop8h 51m
American Airlines
Sat 8/155:05 pm
SLC
- MLI
1 stop6h 03m
American Airlines
Deal found 6/27![American Airlines logo]()
$261
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 9/210:30 am
MLI
- SLC
1 stop5h 40m
United Airlines
Sun 9/68:10 am
SLC
- MLI
1 stop6h 44m
United Airlines
Deal found 7/1![United Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 6/28. 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.
Tue 8/42:00 pm
ORD
- SLC
Nonstop3h 35m
Delta
Sat 8/87:50 am
SLC
- ORD
Nonstop3h 09m
Delta
Deal found 6/28![Delta logo]()
$355
This Southwest deal was found by Cheapflights users on 6/27. 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.
Sat 9/1210:05 am
MDW
- SLC
Nonstop3h 20m
Southwest
Sat 10/247:40 am
SLC
- MDW
Nonstop3h 00m
Southwest
Deal found 6/27![Southwest logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 6/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:35 am
STL
- SLC
1 stop9h 00m
Alaska Airlines
Mon 8/316:26 pm
SLC
- STL
2 stops21h 44m
Alaska Airlines
Deal found 6/27![Alaska Airlines logo]()
$431
This American Airlines deal was found by Cheapflights users on 6/30. 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 9/124:57 pm
MLI
- SLC
1 stop6h 02m
American Airlines
Sat 9/197:00 am
SLC
- MLI
2 stops8h 27m
American Airlines
Deal found 6/30![American Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/304:05 pm
PIA
- SLC
1 stop7h 43m
United Airlines
Sat 10/34:10 pm
SLC
- PIA
1 stop5h 48m
United Airlines
Deal found 7/2![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 6/28. 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.
Tue 8/47:44 pm
ORD
- SLC
Nonstop3h 31m
Delta
Thu 8/202:05 pm
SLC
- ORD
Nonstop3h 14m
Delta
Deal found 6/28![Delta logo]()
$355
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Fri 8/285:00 am
BMI
- SLC
1 stop5h 50m
American Airlines
Sun 8/307:00 am
SLC
- BMI
1 stop8h 19m
American Airlines
Deal found 6/28![American Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 6/27. 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.
Wed 8/128:45 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Mon 8/176:00 am
SLC
- MDW
2 stops7h 35m
Southwest
Deal found 6/27![Southwest logo]()
$370
This United Airlines deal was found by Cheapflights users on 6/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:21 pm
ORD
- SLC
Nonstop3h 38m
United Airlines
Sat 8/225:07 pm
SLC
- ORD
Nonstop3h 23m
United Airlines
Deal found 6/27![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/132:00 pm
ORD
- SLC
Nonstop3h 35m
Delta
Tue 8/183:50 pm
SLC
- ORD
1 stop6h 58m
Delta
Deal found 6/29![Delta logo]()
$365
This Southwest deal was found by Cheapflights users on 6/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:20 am
MDW
- SLC
Nonstop3h 20m
Southwest
Sat 8/2910:00 am
SLC
- MDW
Nonstop3h 05m
Southwest
Deal found 6/30![Southwest logo]()
$377
This United Airlines deal was found by Cheapflights users on 6/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2710:35 am
MLI
- SLC
2 stops11h 32m
United Airlines
Sat 10/3112:40 pm
SLC
- MLI
1 stop7h 30m
United Airlines
Deal found 6/27![United Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/287:29 am
ORD
- SLC
1 stop9h 34m
Delta
Sat 8/15:10 pm
SLC
- ORD
Nonstop3h 10m
Delta
Deal found 7/2![Delta logo]()
$371
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1510:05 am
MDW
- SLC
Nonstop3h 20m
Southwest
Sat 8/2210:00 am
SLC
- MDW
Nonstop3h 05m
Southwest
Deal found 7/1![Southwest logo]()
$377
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 9/168:21 pm
ORD
- SLC
Nonstop3h 38m
United Airlines
Sat 9/1912:42 pm
SLC
- ORD
Nonstop3h 20m
United Airlines
Deal found 6/30![United Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 6/28. 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 11/126:00 am
MDW
- SGU
2 stops13h 35m
Delta
Mon 11/168:50 am
SGU
- MDW
2 stops12h 20m
Delta
Deal found 6/28![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/284:35 pm
MDW
- SLC
1 stop7h 00m
Southwest
Sat 8/15:00 pm
SLC
- MDW
1 stop6h 10m
Southwest
Deal found 7/2![Southwest logo]()
$381
This American Airlines deal was found by Cheapflights users on 6/28. 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 7/224:30 pm
BMI
- SLC
1 stop7h 29m
American Airlines
Sat 7/254:56 pm
SLC
- BMI
1 stop6h 39m
American Airlines
Deal found 6/28![American Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 6/28. 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 10/168:25 am
MLI
- SLC
1 stop7h 48m
United Airlines
Wed 10/284:17 pm
SLC
- MLI
1 stop5h 44m
United Airlines
Deal found 6/28![United Airlines logo]()
$366
This Southwest deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/1111:10 am
MDW
- SLC
2 stops7h 30m
Southwest
Wed 8/197:00 am
SLC
- MDW
1 stop5h 35m
Southwest
Deal found 7/2![Southwest logo]()
$382
This Delta deal was found by Cheapflights users on 6/30. 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 8/247:48 am
ORD
- SLC
Nonstop3h 27m
Delta
Sat 8/298:25 am
SLC
- ORD
1 stop6h 05m
Delta
Deal found 6/30![Delta logo]()
$387
This American Airlines deal was found by Cheapflights users on 6/30. 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 10/85:30 pm
PIA
- SLC
1 stop7h 29m
American Airlines
Tue 10/137:32 am
SLC
- PIA
1 stop8h 26m
American Airlines
Deal found 6/30![American Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 6/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:10 am
MDW
- SLC
2 stops7h 30m
Southwest
Sat 8/1511:20 am
SLC
- MDW
1 stop6h 05m
Southwest
Deal found 6/30![Southwest logo]()
$386
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 8/198:29 am
PIA
- SLC
2 stops7h 59m
United Airlines
Fri 8/284:15 pm
SLC
- PIA
1 stop5h 28m
United Airlines
Deal found 6/30![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 6/28. 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.
Wed 8/192:00 pm
ORD
- SLC
Nonstop3h 35m
Delta
Fri 8/217:50 am
SLC
- ORD
Nonstop3h 09m
Delta
Deal found 6/28![Delta logo]()
$410
This United Airlines deal was found by Cheapflights users on 6/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/275:00 am
ORD
- SGU
1 stop6h 19m
United Airlines
Mon 8/35:41 pm
SGU
- ORD
1 stop6h 03m
United Airlines
Deal found 6/27![United Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 6/29. 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.
Thu 8/134:00 pm
MDW
- SLC
1 stop5h 55m
Southwest
Wed 8/197:00 am
SLC
- MDW
2 stops9h 10m
Southwest
Deal found 6/29![Southwest logo]()
$395
This Delta deal was found by Cheapflights users on 6/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/167:29 am
ORD
- SLC
1 stop7h 59m
Delta
Thu 8/202:05 pm
SLC
- ORD
Nonstop3h 14m
Delta
Deal found 6/29![Delta logo]()
$420
Last-minute flights from Illinois to UtahDiscover last-minute flight deals from Illinois to Utah. Data last updated July 2, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Utah. Data last updated July 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 7/207:10 pm
STL
- SLC
1 stop15h 16m
Frontier
Tue 7/288:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 6/28![Frontier logo]()
$217
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 7/207:10 pm
STL
- SLC
1 stop15h 16m
Frontier
Fri 7/243:41 pm
SLC
- STL
1 stop26h 42m
Frontier
Deal found 6/30![Frontier logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 7/218:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Mon 7/273:41 pm
SLC
- STL
1 stop26h 42m
Frontier
Deal found 6/30![Frontier logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/228:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Wed 7/296:05 am
SLC
- STL
1 stop12h 18m
Frontier
Deal found 7/2![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 7/228:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Tue 7/286:05 am
SLC
- STL
1 stop12h 18m
Frontier
Deal found 6/28![Frontier logo]()
$187
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Tue 7/284:45 pm
MLI
- SLC
1 stop8h 51m
American Airlines
Tue 8/44:56 pm
SLC
- MLI
1 stop6h 45m
American Airlines
Deal found 6/28![American Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 7/298:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Tue 8/48:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 6/28![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 7/298:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Wed 8/58:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 6/29![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 8/18:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Wed 8/128:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 6/29![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Fri 8/77:10 pm
STL
- SLC
1 stop15h 16m
Frontier
Tue 8/116:05 am
SLC
- STL
1 stop12h 18m
Frontier
Deal found 6/30![Frontier logo]()
$213
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Tue 9/222:51 pm
SLC
- STL
1 stop20h 00m
Frontier
Deal found 7/1![Frontier logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Wed 9/231:31 pm
SLC
- STL
2 stops19h 09m
Frontier
Deal found 7/1![Frontier logo]()
$222
One-way flights from Illinois to UtahSearch for one-way flight options from Illinois to Utah. Find affordable one-way fares based on user searches. Data last updated July 2, 2026.
Search for one-way flight options from Illinois to Utah. Find affordable one-way fares based on user searches. Data last updated July 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/28. 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 10/218:10 pm
STL
- SLC
1 stop12h 53m
Frontier
Deal found 6/28![Frontier logo]()
$86
This Trip.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:08 pm
STL
- SLC
1 stop17h 19m
Frontier
Deal found 7/1![Frontier logo]()
$87
This Trip.com deal was found by Cheapflights users on 6/30. 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 Trip.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 6/30![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/2![Frontier logo]()
$89
This Trip.com deal was found by Cheapflights users on 6/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 6/27![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 7/298:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/1![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 7/288:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 6/30![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 6/29. 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.
Tue 8/48:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 6/29![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 6/30. 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 7/258:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 6/30![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 10/148:10 pm
STL
- SLC
1 stop12h 53m
Frontier
Deal found 6/29![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:07 am
PIA
- SLC
1 stop14h 52m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 9/126:30 am
ORD
- SLC
2 stops13h 24m
Frontier
Deal found 6/29![Frontier logo]()
$198
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 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $180 (Kiwi.com) |
One-way from | $86 (Kiwi.com) |
Popular in | June |
Cheapest in | September |
Average price | $440 |
Good round-trip deal | $220 or less |
Good one-way deal | $207 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 2, 2026.
Use the filters below to find and compare flights from Illinois to Utah that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MolineSalt Lake City
MLI - SLC
MLISLC
Moline Quad-City
Tue 8/4
4:45 pm-12:36 am
1 stop8h 51m
Salt Lake City
Sat 8/15
5:05 pm-12:08 am
1 stop6h 03m
$261
MolineSalt Lake City
MLI - SLC
MLISLC
Moline Quad-City
Wed 9/2
10:30 am-3:10 pm
1 stop5h 40m
Salt Lake City
Sun 9/6
8:10 am-3:54 pm
1 stop6h 44m
$289
MolineSalt Lake City
MLI - SLC
MLISLC
Moline Quad-City
Sat 9/12
4:57 pm-9:59 pm
1 stop6h 02m
Salt Lake City
Sat 9/19
7:00 am-4:27 pm
2 stops8h 27m
$309
PeoriaSalt Lake City
PIA - SLC
PIASLC
Greater Peoria
Wed 9/30
4:05 pm-10:48 pm
1 stop7h 43m
Salt Lake City
Sat 10/3
4:10 pm-10:58 pm
1 stop5h 48m
$319
BloomingtonSalt Lake City
BMI - SLC
BMISLC
Bloomington-Normal
Fri 8/28
5:00 am-9:50 am
1 stop5h 50m
Salt Lake City
Sun 8/30
7:00 am-4:19 pm
1 stop8h 19m
$329
ChicagoSalt Lake City
ORD - SLC
ORDSLC
Chicago O'Hare Intl
Tue 8/4
2:00 pm-4:35 pm
Nonstop3h 35m
Salt Lake City
Sat 8/8
7:50 am-11:59 am
Nonstop3h 09m
$355
Quickest round-trip
ChicagoSalt Lake City
MDW - SLC
MDWSLC
Chicago Midway
Sat 9/12
10:05 am-12:25 pm
Nonstop3h 20m
Salt Lake City
Sat 10/24
7:40 am-11:40 am
Nonstop3h 00m
$355
ChicagoSalt Lake City
ORD - SLC
ORDSLC
Chicago O'Hare Intl
Tue 8/4
7:44 pm-10:15 pm
Nonstop3h 31m
Salt Lake City
Thu 8/20
2:05 pm-6:19 pm
Nonstop3h 14m
$355
ChicagoSalt Lake City
ORD - SLC
ORDSLC
Chicago O'Hare Intl
Tue 8/18
8:21 pm-10:59 pm
Nonstop3h 38m
Salt Lake City
Sat 8/22
5:07 pm-9:30 pm
Nonstop3h 23m
$355
MolineSalt Lake City
MLI - SLC
MLISLC
Moline Quad-City
Tue 10/27
10:35 am-9:07 pm
2 stops11h 32m
Salt Lake City
Sat 10/31
12:40 pm-9:10 pm
1 stop7h 30m
$356
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Utah
Have a flexible travel schedule? Discover the best time to fly to Utah from Illinois with our price prediction graph.
STL-SLC
MLI-SLC
ORD-SLC
MDW-SLC
PIA-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
MLI-SLC
ORD-SLC
MDW-SLC
What is the cheapest month to book a flight from Illinois to Utah?
Currently, October is the cheapest month in which you can book a flight from Illinois to Utah (average of $78). Flying from Illinois to Utah in March is currently the most expensive (average of $208). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IL to UT?
Find hourly flight availability from Illinois to Utah. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 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 31% 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 2, 2026.
The most flights from USIL to USUT are scheduled on a Wednesday (34 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).
How much does it cost to fly round-trip from Illinois to Utah?
How far ahead should I book a flight from Illinois to Utah?
To ensure you get the cheapest price possible for a flight from Illinois to Utah, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Illinois to Utah?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Utah. Price data was last updated on January 24, 2026.
Travelers seeking maximum savings on their Illinois to Utah flight should consider departing on Thursday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Utah
Get insights into the airlines that provide service to Utah. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Utah. Reviews last updated July 2, 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
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
7.9
Entertainment
7.5
Crew
8.6
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 2, 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 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$144 | Average$241 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$178 | Average$412 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$249 | Average$445 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$258 | Average$434 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$307 | Average$487 | FlexibilityNo cancel fee | On-time63% |