$64+ Cheap flights from Utah to Illinois
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 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ORD
May 10 — May 171
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Utah to Illinois 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Utah to Illinois
Cheapest
Best
Last-minute
One-way
Cheapest flights from Utah to IllinoisExplore the most affordable flight options available from Utah to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
Explore the most affordable flight options available from Utah to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Fri 5/299:36 pm
SLC
- STL
1 stop20h 55m
Frontier
Wed 6/38:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 4/6![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Thu 4/307:35 am
SLC
- STL
1 stop10h 46m
Frontier
Sat 5/28:17 pm
STL
- SLC
1 stop12h 44m
Frontier
Deal found 4/8![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Fri 5/299:36 pm
SLC
- STL
1 stop20h 55m
Frontier
Tue 6/28:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 4/6![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Wed 5/2710:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Tue 6/28:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 4/6![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Fri 5/299:36 pm
SLC
- STL
1 stop20h 55m
Frontier
Thu 6/48:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 4/6![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Wed 5/2710:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Thu 6/48:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 4/6![Frontier logo]()
$159
This Frontier deal was found by Cheapflights users on 4/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:35 am
SLC
- STL
1 stop10h 46m
Frontier
Thu 4/309:55 pm
STL
- SLC
1 stop12h 34m
Frontier
Deal found 4/7![Frontier logo]()
$160
This CheapOair deal was found by Cheapflights users on 4/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:48 pm
SLC
- STL
1 stop18h 18m
Frontier
Fri 5/89:18 pm
STL
- SLC
1 stop13h 12m
Frontier
Deal found 4/5![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 5/98:23 am
SLC
- STL
1 stop10h 00m
Frontier
Fri 5/159:18 pm
STL
- SLC
2 stops23h 11m
Frontier
Deal found 4/6![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 5/15:45 pm
SLC
- STL
2 stops24h 47m
Frontier
Mon 5/48:17 pm
STL
- SLC
1 stop12h 21m
Frontier
Deal found 4/7![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Mon 5/118:23 am
SLC
- STL
1 stop10h 00m
Frontier
Tue 5/126:51 pm
STL
- SLC
2 stops13h 47m
Frontier
Deal found 4/6![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Wed 5/208:30 pm
SLC
- ORD
2 stops10h 21m
Frontier
Sat 5/239:37 pm
ORD
- SLC
1 stop11h 01m
Frontier
Deal found 4/6![Frontier logo]()
$274
Best flights from Utah to IllinoisDiscover carefully curated flight deals from Utah to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
Discover carefully curated flight deals from Utah to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 10, 2026.
This United Airlines deal was found by Cheapflights users on 4/5. 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.
Wed 7/154:25 pm
SLC
- MLI
1 stop5h 36m
United Airlines
Tue 7/213:52 pm
MLI
- SLC
1 stop7h 56m
United Airlines
Deal found 4/5![United Airlines logo]()
$294
This American Airlines deal was found by Cheapflights users on 4/5. 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.
Wed 7/154:56 pm
SLC
- PIA
1 stop6h 03m
American Airlines
Tue 7/2112:25 pm
PIA
- SLC
2 stops11h 36m
American Airlines
Deal found 4/5![American Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 4/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:40 pm
SLC
- MLI
1 stop7h 50m
Delta
Tue 9/155:00 pm
MLI
- SLC
1 stop8h 28m
Delta
Deal found 4/9![Delta logo]()
$348
This Southwest deal was found by Cheapflights users on 4/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:05 pm
SLC
- MDW
1 stop8h 20m
Southwest
Tue 6/305:35 am
MDW
- SLC
1 stop5h 55m
Southwest
Deal found 4/4![Southwest logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 4/299:59 pm
SLC
- EVV
1 stop16h 24m
Multiple Airlines
Sun 5/34:13 pm
EVV
- SLC
2 stops23h 08m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 4/5. 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.
Wed 7/154:25 pm
SLC
- PIA
1 stop5h 35m
United Airlines
Tue 7/215:33 pm
PIA
- SLC
1 stop6h 15m
United Airlines
Deal found 4/5![United Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 4/6. 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 6/1612:21 pm
SLC
- MLI
1 stop8h 41m
American Airlines
Tue 6/234:45 pm
MLI
- SLC
1 stop8h 51m
American Airlines
Deal found 4/6![American Airlines logo]()
$347
This American Airlines deal was found by Cheapflights users on 4/5. 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.
Thu 5/75:00 am
SLC
- MLI
1 stop5h 34m
American Airlines
Sun 5/105:15 am
MLI
- SLC
1 stop8h 22m
American Airlines
Deal found 4/5![American Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 4/6. 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 6/2710:26 am
SGU
- ORD
1 stop7h 20m
United Airlines
Sat 7/115:00 am
ORD
- SGU
1 stop5h 51m
United Airlines
Deal found 4/6![United Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 4/5. 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.
Wed 4/297:45 am
SLC
- ORD
Nonstop3h 06m
Delta
Mon 5/42:09 pm
ORD
- SLC
Nonstop3h 31m
Delta
Deal found 4/5![Delta logo]()
$407
This Southwest deal was found by Cheapflights users on 4/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/77:15 am
SLC
- MDW
Nonstop3h 00m
Southwest
Wed 5/139:00 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 4/5![Southwest logo]()
$417
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Wed 7/84:25 pm
SLC
- MLI
1 stop5h 36m
United Airlines
Sun 7/123:52 pm
MLI
- SLC
1 stop7h 56m
United Airlines
Deal found 4/9![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 4/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:45 pm
SLC
- ORD
Nonstop3h 05m
Delta
Tue 6/97:45 am
ORD
- SLC
Nonstop3h 30m
Delta
Deal found 4/6![Delta logo]()
$407
This American Airlines deal was found by Cheapflights users on 4/5. 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 6/611:33 am
SGU
- ORD
1 stop8h 52m
American Airlines
Sat 6/135:00 am
ORD
- SGU
1 stop7h 03m
American Airlines
Deal found 4/5![American Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 4/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/161:10 pm
SLC
- MDW
1 stop8h 35m
Southwest
Tue 5/195:35 pm
MDW
- SLC
1 stop6h 15m
Southwest
Deal found 4/8![Southwest logo]()
$427
This Delta deal was found by Cheapflights users on 4/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/67:45 am
SLC
- ORD
Nonstop3h 07m
Delta
Mon 6/87:45 am
ORD
- SLC
Nonstop3h 30m
Delta
Deal found 4/6![Delta logo]()
$417
This United Airlines deal was found by Cheapflights users on 4/8. 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 5/231:05 pm
SLC
- MLI
2 stops8h 24m
United Airlines
Sat 5/306:30 am
MLI
- SLC
2 stops15h 16m
United Airlines
Deal found 4/8![United Airlines logo]()
$381
This American Airlines deal was found by Cheapflights users on 4/6. 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 5/44:38 pm
SGU
- ORD
1 stop6h 54m
American Airlines
Mon 5/115:00 am
ORD
- SGU
1 stop6h 37m
American Airlines
Deal found 4/6![American Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 4/9. 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 4/3011:30 am
SLC
- MDW
1 stop7h 15m
Southwest
Mon 5/49:45 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 4/9![Southwest logo]()
$427
This Delta deal was found by Cheapflights users on 4/5. 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.
Mon 6/17:45 am
SLC
- ORD
Nonstop3h 07m
Delta
Mon 6/87:45 am
ORD
- SLC
Nonstop3h 30m
Delta
Deal found 4/5![Delta logo]()
$417
This Southwest deal was found by Cheapflights users on 4/9. 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.
Mon 5/114:20 pm
SLC
- MDW
1 stop6h 20m
Southwest
Wed 5/1311:45 am
MDW
- SLC
1 stop7h 00m
Southwest
Deal found 4/9![Southwest logo]()
$427
This United Airlines deal was found by Cheapflights users on 4/6. 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 6/61:46 pm
SGU
- ORD
Nonstop2h 19m
United Airlines
Sat 6/139:10 am
ORD
- SGU
Nonstop2h 28m
United Airlines
Deal found 4/6![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 4/5. 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 4/301:55 pm
SLC
- ORD
Nonstop3h 09m
Delta
Mon 5/47:10 pm
ORD
- SLC
Nonstop3h 33m
Delta
Deal found 4/5![Delta logo]()
$417
This United Airlines deal was found by Cheapflights users on 4/6. 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.
Fri 5/298:08 pm
SLC
- MLI
2 stops12h 51m
United Airlines
Fri 6/53:52 pm
MLI
- SLC
1 stop7h 51m
United Airlines
Deal found 4/6![United Airlines logo]()
$392
This Southwest deal was found by Cheapflights users on 4/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:10 pm
SLC
- ORD
2 stops9h 45m
Southwest
Wed 5/1311:55 am
ORD
- SLC
2 stops9h 45m
Southwest
Deal found 4/5![Southwest logo]()
$437
This Delta deal was found by Cheapflights users on 4/5. 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.
Wed 4/293:05 pm
SLC
- MDW
1 stop6h 23m
Delta
Tue 5/59:27 am
MDW
- SLC
1 stop5h 46m
Delta
Deal found 4/5![Delta logo]()
$417
This United Airlines deal was found by Cheapflights users on 4/6. 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 4/2110:55 am
SGU
- ORD
1 stop8h 19m
United Airlines
Sat 4/2512:55 pm
ORD
- SGU
1 stop6h 21m
United Airlines
Deal found 4/6![United Airlines logo]()
$398
This American Airlines deal was found by Cheapflights users on 4/6. 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.
Wed 4/226:02 am
SLC
- CMI
1 stop7h 06m
American Airlines
Sun 4/266:05 am
CMI
- SLC
1 stop7h 32m
American Airlines
Deal found 4/6![American Airlines logo]()
$483
This Southwest deal was found by Cheapflights users on 4/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:15 pm
SLC
- MDW
1 stop10h 10m
Southwest
Sat 6/69:55 am
MDW
- SLC
1 stop5h 25m
Southwest
Deal found 4/8![Southwest logo]()
$442
This Delta deal was found by Cheapflights users on 4/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:45 am
SLC
- ORD
1 stop6h 12m
Delta
Mon 6/87:37 pm
ORD
- SLC
Nonstop3h 38m
Delta
Deal found 4/8![Delta logo]()
$437
Last-minute flights from Utah to IllinoisDiscover last-minute flight deals from Utah to Illinois. Data last updated April 10, 2026 and is based on user searches.
Discover last-minute flight deals from Utah to Illinois. Data last updated April 10, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Thu 4/307:35 am
SLC
- STL
1 stop10h 46m
Frontier
Sat 5/28:17 pm
STL
- SLC
1 stop12h 44m
Frontier
Deal found 4/8![Frontier logo]()
$138
This Frontier deal was found by Cheapflights users on 4/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:35 am
SLC
- STL
1 stop10h 46m
Frontier
Thu 4/309:55 pm
STL
- SLC
1 stop12h 34m
Frontier
Deal found 4/7![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 5/15:45 pm
SLC
- STL
2 stops24h 47m
Frontier
Mon 5/48:17 pm
STL
- SLC
1 stop12h 21m
Frontier
Deal found 4/7![Frontier logo]()
$176
This CheapOair deal was found by Cheapflights users on 4/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:48 pm
SLC
- STL
1 stop18h 18m
Frontier
Fri 5/89:18 pm
STL
- SLC
1 stop13h 12m
Frontier
Deal found 4/5![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 5/98:23 am
SLC
- STL
1 stop10h 00m
Frontier
Fri 5/159:18 pm
STL
- SLC
2 stops23h 11m
Frontier
Deal found 4/6![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Mon 5/118:23 am
SLC
- STL
1 stop10h 00m
Frontier
Tue 5/126:51 pm
STL
- SLC
2 stops13h 47m
Frontier
Deal found 4/6![Frontier logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Wed 5/208:30 pm
SLC
- ORD
2 stops10h 21m
Frontier
Sat 5/239:37 pm
ORD
- SLC
1 stop11h 01m
Frontier
Deal found 4/6![Frontier logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Wed 5/2710:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Tue 6/28:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 4/6![Frontier logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Wed 5/2710:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Thu 6/48:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 4/6![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Fri 5/299:36 pm
SLC
- STL
1 stop20h 55m
Frontier
Wed 6/38:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 4/6![Frontier logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Fri 5/299:36 pm
SLC
- STL
1 stop20h 55m
Frontier
Tue 6/28:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 4/6![Frontier logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Fri 5/299:36 pm
SLC
- STL
1 stop20h 55m
Frontier
Thu 6/48:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 4/6![Frontier logo]()
$155
One-way flights from Utah to IllinoisSearch for one-way flight options from Utah to Illinois. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
Search for one-way flight options from Utah to Illinois. Find affordable one-way fares based on user searches. Data last updated April 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Mon 6/1510:41 pm
SLC
- STL
1 stop19h 42m
Frontier
Deal found 4/6![Frontier logo]()
$64
This Trip.com deal was found by Cheapflights users on 4/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:23 am
SLC
- STL
1 stop10h 00m
Frontier
Deal found 4/9![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Fri 5/84:29 pm
SLC
- STL
1 stop25h 54m
Frontier
Deal found 4/6![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 6/54:29 pm
SLC
- STL
1 stop25h 54m
Frontier
Deal found 4/7![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Tue 6/24:29 pm
SLC
- STL
1 stop25h 54m
Frontier
Deal found 4/6![Frontier logo]()
$78
This Expedia deal was found by Cheapflights users on 4/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:48 pm
SLC
- STL
1 stop18h 18m
Frontier
Deal found 4/7![Frontier logo]()
$86
This Expedia deal was found by Cheapflights users on 4/6. 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.
Mon 4/279:59 pm
SLC
- STL
1 stop24h 20m
Frontier
Deal found 4/6![Frontier logo]()
$87
This CheapOair deal was found by Cheapflights users on 4/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/61:32 pm
SLC
- STL
1 stop21h 09m
Frontier
Deal found 4/7![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Thu 5/78:30 pm
SLC
- STL
1 stop21h 53m
Frontier
Deal found 4/7![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Sun 6/710:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Deal found 4/6![Frontier logo]()
$95
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:11 am
SLC
- ORD
1 stop9h 52m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Sun 5/1710:15 am
SLC
- ORD
2 stops33h 17m
Frontier
Deal found 4/7![Frontier logo]()
$159
Find flight deals from Utah to Illinois
Keep the following information in mind while searching for Utah to Illinois flight deals. Data was last updated April 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $136 (Kiwi.com) |
One-way from | $64 (Kiwi.com) |
Popular in | January |
Cheapest in | September |
Average price | $390 |
Good round-trip deal | $436 or less |
Good one-way deal | $229 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Utah to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 10, 2026.
Use the filters below to find and compare flights from Utah to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Wed 7/15
4:25 pm-11:01 pm
1 stop5h 36m
Moline Quad-City
Tue 7/21
3:52 pm-10:48 pm
1 stop7h 56m
$294
Salt Lake CityPeoria
SLC - PIA
SLCPIA
Salt Lake City
Wed 7/15
4:25 pm-11:00 pm
1 stop5h 35m
Greater Peoria
Tue 7/21
5:33 pm-10:48 pm
1 stop6h 15m
$339
Salt Lake CityPeoria
SLC - PIA
SLCPIA
Salt Lake City
Wed 7/15
4:56 pm-11:59 pm
1 stop6h 03m
Greater Peoria
Tue 7/21
12:25 pm-11:01 pm
2 stops11h 36m
$344
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Tue 6/16
12:21 pm-10:02 pm
1 stop8h 41m
Moline Quad-City
Tue 6/23
4:45 pm-12:36 am
1 stop8h 51m
$347
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Sun 9/6
1:40 pm-10:30 pm
1 stop7h 50m
Moline Quad-City
Tue 9/15
5:00 pm-12:28 am
1 stop8h 28m
$348
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Thu 5/7
5:00 am-11:34 am
1 stop5h 34m
Moline Quad-City
Sun 5/10
5:15 am-12:37 pm
1 stop8h 22m
$348
Saint GeorgeChicago
SGU - ORD
SGUORD
Saint George
Sat 6/27
10:26 am-6:46 pm
1 stop7h 20m
Chicago O'Hare Intl
Sat 7/11
5:00 am-9:51 am
1 stop5h 51m
$363
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Wed 7/8
4:25 pm-11:01 pm
1 stop5h 36m
Moline Quad-City
Sun 7/12
3:52 pm-10:48 pm
1 stop7h 56m
$369
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Sat 5/23
1:05 pm-10:29 pm
2 stops8h 24m
Moline Quad-City
Sat 5/30
6:30 am-8:46 pm
2 stops15h 16m
$381
Saint GeorgeChicago
SGU - ORD
SGUORD
Saint George
Sat 6/6
11:33 am-9:25 pm
1 stop8h 52m
Chicago O'Hare Intl
Sat 6/13
5:00 am-11:03 am
1 stop7h 03m
$383
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Utah to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Utah with our price prediction graph.
SLC-STL
SLC-ORD
SLC-MLI
SLC-MDW
SLC-SPI
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 Utah to Illinois
USUT-USIL
SLC-STL
SLC-ORD
SLC-MLI
SLC-MDW
What is the cheapest month to book a flight from Utah to Illinois?
Currently, August is the cheapest month in which you can book a flight from Utah to Illinois (average of $118). Flying from Utah to Illinois in January is currently the most expensive (average of $252). 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 UT to IL?
Find hourly flight availability from Utah to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 10, 2026.
One of the essential ways to save on airfare from Utah to Illinois is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 37% on airfare.
What is the cheapest day to fly from Utah to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Utah to Illinois. Price data was last updated on April 4, 2026.
Travelers seeking maximum savings on their Utah to Illinois flight should consider departing on Friday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Utah to Illinois
Explore weekly flight availability from Utah to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 10, 2026.
The most flights from USUT to USIL are scheduled on a Friday (33 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (16 on average).
How much does it cost to fly round-trip from Utah to Illinois?
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated April 10, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Utah to Illinois 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
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Utah to Illinois. 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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Alternative routes for Utah to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Utah to Illinois by cabin class
Find flights from Utah to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Utah and Illinois flights
Browse other Utah and Illinois flight options. Last updated on April 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Illinois
Find the right flight back to Utah after your stay in Illinois
Utah to Illinois flights
Consider these flights traveling from Utah to Illinois.
Top 6 airlines flying from Utah to Illinois
Discover the top 6 airlines that operate flights from Utah to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$200 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$127 | Average$240 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$170 | Average$432 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$208 | Average$447 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$227 | Average$479 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$282 | Average$454 | FlexibilityNo cancel fee | On-time63% |