$72+ 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ORD
May 2 — May 91
Round-trip
1 adult, Economy
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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 2, 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 2, 2026.
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:59 pm
SLC
- STL
1 stop24h 20m
Frontier
Sun 4/269:55 pm
STL
- SLC
1 stop11h 57m
Frontier
Deal found 3/30![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 4/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:33 pm
SLC
- STL
1 stop15h 48m
Frontier
Sun 5/39:55 pm
STL
- SLC
1 stop12h 39m
Frontier
Deal found 4/1![Frontier logo]()
$161
This CheapOair deal was found by Cheapflights users on 3/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:59 pm
SLC
- STL
1 stop28h 07m
Frontier
Fri 5/88:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 3/30![Frontier logo]()
$171
This Frontier deal was found by Cheapflights users on 3/30. 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.
Sat 4/188:00 am
SLC
- STL
1 stop10h 32m
Frontier
Sun 4/269:55 pm
STL
- SLC
1 stop11h 57m
Frontier
Deal found 3/30![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:51 pm
SLC
- STL
2 stops15h 39m
Frontier
Sat 4/258:17 pm
STL
- SLC
1 stop28h 51m
Frontier
Deal found 3/31![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 3/29. 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.
Thu 4/237:35 am
SLC
- STL
2 stops23h 19m
Frontier
Mon 4/278:17 pm
STL
- SLC
1 stop15h 57m
Frontier
Deal found 3/29![Frontier logo]()
$196
This Trip.com deal was found by Cheapflights users on 4/1. 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 5/68:23 am
SLC
- STL
2 stops26h 18m
Frontier
Fri 5/89:18 pm
STL
- SLC
1 stop13h 12m
Frontier
Deal found 4/1![Frontier logo]()
$198
This Frontier deal was found by Cheapflights users on 3/30. 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.
Sat 4/188:00 am
SLC
- STL
1 stop10h 32m
Frontier
Thu 4/239:55 pm
STL
- SLC
1 stop11h 57m
Frontier
Deal found 3/30![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 4/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:51 am
SLC
- STL
1 stop10h 30m
Frontier
Sun 4/269:55 pm
STL
- SLC
1 stop11h 57m
Frontier
Deal found 4/1![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:30 pm
SLC
- ORD
1 stop23h 07m
Frontier
Thu 5/211:50 pm
ORD
- SLC
2 stops20h 40m
Frontier
Deal found 3/31![Frontier logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Fri 5/158:30 pm
SLC
- MLI
2 stops19h 27m
Multiple Airlines
Mon 5/189:55 pm
MLI
- SLC
1 stop14h 54m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:58 pm
SLC
- ORD
1 stop19h 55m
Frontier
Sun 4/191:12 pm
ORD
- SLC
2 stops19h 49m
Frontier
Deal found 3/31![Frontier logo]()
$260
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 2, 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 2, 2026.
This United Airlines deal was found by Cheapflights users on 4/2. 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.
Sat 5/27:15 am
SLC
- MLI
1 stop6h 57m
United Airlines
Sat 5/98:55 am
MLI
- SLC
1 stop5h 26m
United Airlines
Deal found 4/2![United Airlines logo]()
$261
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/303:45 pm
SLC
- MLI
2 stops28h 20m
Multiple Airlines
Thu 5/712:19 pm
MLI
- SLC
1 stop22h 11m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 4/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/235:30 pm
SGU
- ORD
1 stop6h 05m
American Airlines
Mon 7/275:00 am
ORD
- SGU
1 stop7h 09m
American Airlines
Deal found 4/2![American Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 4/2. 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.
Thu 4/307:45 am
SLC
- ORD
Nonstop3h 06m
Delta
Wed 5/137:45 am
ORD
- SLC
Nonstop3h 27m
Delta
Deal found 4/2![Delta logo]()
$407
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:10 am
SLC
- MDW
2 stops7h 45m
Southwest
Tue 5/126:10 am
MDW
- SLC
1 stop5h 55m
Southwest
Deal found 3/31![Southwest logo]()
$413
This Alaska Airlines deal was found by Cheapflights users on 4/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:17 am
SLC
- ORD
1 stop15h 38m
Alaska Airlines
Sun 6/79:00 am
ORD
- SLC
1 stop11h 07m
Alaska Airlines
Deal found 4/2![Alaska Airlines logo]()
$473
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 4/147:20 am
SLC
- MLI
1 stop5h 49m
United Airlines
Sat 4/188:00 am
MLI
- SLC
1 stop8h 22m
United Airlines
Deal found 3/30![United Airlines logo]()
$347
This American Airlines deal was found by Cheapflights users on 3/28. 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.
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 3/28![American Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:39 pm
SLC
- MLI
1 stop7h 23m
United Airlines
Wed 5/63:47 pm
MLI
- SLC
1 stop8h 03m
United Airlines
Deal found 3/30![United Airlines logo]()
$351
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:44 pm
SLC
- BMI
1 stop7h 43m
American Airlines
Sun 4/1911:16 am
BMI
- SLC
1 stop5h 59m
American Airlines
Deal found 3/31![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 4/2. 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 6/211:00 am
SLC
- MDW
1 stop5h 56m
Delta
Tue 6/99:54 am
MDW
- SLC
1 stop5h 26m
Delta
Deal found 4/2![Delta logo]()
$417
This Southwest deal was found by Cheapflights users on 4/2. 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.
Wed 5/61:20 pm
SLC
- ORD
2 stops9h 35m
Southwest
Wed 5/1311:55 am
ORD
- SLC
2 stops9h 45m
Southwest
Deal found 4/2![Southwest logo]()
$427
This American Airlines deal was found by Cheapflights users on 4/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:20 am
SLC
- BMI
1 stop6h 56m
American Airlines
Tue 4/2111:16 am
BMI
- SLC
2 stops10h 24m
American Airlines
Deal found 4/2![American Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Thu 4/168:52 pm
SLC
- EVV
2 stops21h 14m
Multiple Airlines
Mon 4/207:46 pm
EVV
- SLC
1 stop25h 48m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$462
This Southwest deal was found by Cheapflights users on 4/1. 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.
Thu 4/2311:30 am
SLC
- MDW
1 stop7h 15m
Southwest
Mon 4/279:45 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 4/1![Southwest logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:10 am
SLC
- STL
1 stop11h 49m
Alaska Airlines
Wed 5/67:00 am
STL
- SLC
1 stop8h 41m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 3/29. 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.
Mon 6/16:00 am
SLC
- MDW
1 stop5h 42m
Delta
Wed 6/109:54 am
MDW
- SLC
1 stop7h 22m
Delta
Deal found 3/29![Delta logo]()
$437
This American Airlines deal was found by Cheapflights users on 4/1. 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 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 6/205:00 am
ORD
- SGU
1 stop7h 03m
American Airlines
Deal found 4/1![American Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/61:46 pm
SGU
- ORD
Nonstop2h 19m
United Airlines
Sat 6/135:00 am
ORD
- SGU
1 stop5h 51m
United Airlines
Deal found 3/30![United Airlines logo]()
$428
This Southwest deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/511:10 am
SLC
- MDW
2 stops7h 45m
Southwest
Wed 5/66:10 am
MDW
- SLC
1 stop5h 55m
Southwest
Deal found 3/28![Southwest logo]()
$433
This Delta deal was found by Cheapflights users on 3/30. 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.
Fri 7/108:46 pm
SLC
- STL
Nonstop2h 51m
Delta
Sat 7/188:00 am
STL
- SLC
Nonstop3h 12m
Delta
Deal found 3/30![Delta logo]()
$439
This American Airlines deal was found by Cheapflights users on 4/2. 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 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 4/2![American Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Wed 4/297:20 am
SLC
- PIA
1 stop5h 48m
United Airlines
Sat 5/210:45 am
PIA
- SLC
1 stop5h 39m
United Airlines
Deal found 3/28![United Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:05 am
SLC
- ORD
2 stops10h 45m
Southwest
Mon 4/276:15 am
ORD
- SLC
2 stops10h 25m
Southwest
Deal found 3/31![Southwest logo]()
$437
This Delta deal was found by Cheapflights users on 3/28. 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 6/118:46 pm
SLC
- STL
Nonstop2h 53m
Delta
Sun 6/148:00 am
STL
- SLC
Nonstop3h 12m
Delta
Deal found 3/28![Delta logo]()
$439
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 4/1411:10 am
SGU
- ORD
1 stop9h 03m
American Airlines
Sat 4/183:07 pm
ORD
- SGU
2 stops9h 52m
American Airlines
Deal found 3/30![American Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 3/30. 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.
Wed 5/133:10 pm
SLC
- STL
Nonstop2h 53m
Delta
Sat 5/167:00 am
STL
- SLC
Nonstop3h 11m
Delta
Deal found 3/30![Delta logo]()
$439
This Southwest deal was found by Cheapflights users on 4/1. 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.
Thu 4/236:05 am
SLC
- ORD
2 stops7h 55m
Southwest
Mon 4/276:15 am
ORD
- SLC
2 stops10h 25m
Southwest
Deal found 4/1![Southwest logo]()
$447
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Thu 4/164:33 pm
SLC
- PIA
1 stop6h 24m
United Airlines
Mon 4/205:35 pm
PIA
- SLC
1 stop6h 35m
United Airlines
Deal found 4/1![United Airlines logo]()
$459
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 4/141:44 pm
SLC
- CMI
1 stop6h 23m
American Airlines
Sat 4/187:00 am
CMI
- SLC
1 stop9h 09m
American Airlines
Deal found 3/30![American Airlines logo]()
$388
Last-minute flights from Utah to IllinoisDiscover last-minute flight deals from Utah to Illinois. Data last updated April 2, 2026 and is based on user searches.
Discover last-minute flight deals from Utah to Illinois. Data last updated April 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:58 pm
SLC
- ORD
1 stop19h 55m
Frontier
Sun 4/191:12 pm
ORD
- SLC
2 stops19h 49m
Frontier
Deal found 3/31![Frontier logo]()
$260
This Frontier deal was found by Cheapflights users on 3/30. 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.
Sat 4/188:00 am
SLC
- STL
1 stop10h 32m
Frontier
Sun 4/269:55 pm
STL
- SLC
1 stop11h 57m
Frontier
Deal found 3/30![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 3/30. 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.
Sat 4/188:00 am
SLC
- STL
1 stop10h 32m
Frontier
Thu 4/239:55 pm
STL
- SLC
1 stop11h 57m
Frontier
Deal found 3/30![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 4/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/197:51 am
SLC
- STL
1 stop10h 30m
Frontier
Sun 4/269:55 pm
STL
- SLC
1 stop11h 57m
Frontier
Deal found 4/1![Frontier logo]()
$201
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:59 pm
SLC
- STL
1 stop24h 20m
Frontier
Sun 4/269:55 pm
STL
- SLC
1 stop11h 57m
Frontier
Deal found 3/30![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:51 pm
SLC
- STL
2 stops15h 39m
Frontier
Sat 4/258:17 pm
STL
- SLC
1 stop28h 51m
Frontier
Deal found 3/31![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 3/29. 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.
Thu 4/237:35 am
SLC
- STL
2 stops23h 19m
Frontier
Mon 4/278:17 pm
STL
- SLC
1 stop15h 57m
Frontier
Deal found 3/29![Frontier logo]()
$196
This Frontier deal was found by Cheapflights users on 4/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:33 pm
SLC
- STL
1 stop15h 48m
Frontier
Sun 5/39:55 pm
STL
- SLC
1 stop12h 39m
Frontier
Deal found 4/1![Frontier logo]()
$161
This CheapOair deal was found by Cheapflights users on 3/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/412:59 pm
SLC
- STL
1 stop28h 07m
Frontier
Fri 5/88:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 3/30![Frontier logo]()
$171
This Trip.com deal was found by Cheapflights users on 4/1. 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 5/68:23 am
SLC
- STL
2 stops26h 18m
Frontier
Fri 5/89:18 pm
STL
- SLC
1 stop13h 12m
Frontier
Deal found 4/1![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:30 pm
SLC
- ORD
1 stop23h 07m
Frontier
Thu 5/211:50 pm
ORD
- SLC
2 stops20h 40m
Frontier
Deal found 3/31![Frontier logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 4/1. 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.
Fri 5/158:30 pm
SLC
- MLI
2 stops19h 27m
Multiple Airlines
Mon 5/189:55 pm
MLI
- SLC
1 stop14h 54m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$257
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 2, 2026.
Search for one-way flight options from Utah to Illinois. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Mon 6/110:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Deal found 4/2![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 6/24:29 pm
SLC
- STL
1 stop25h 54m
Frontier
Deal found 4/1![Frontier logo]()
$78
This Booking.com deal was found by Cheapflights users on 3/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:32 pm
SLC
- STL
1 stop5h 51m
Frontier
Deal found 3/28![Frontier logo]()
$80
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:59 pm
SLC
- STL
1 stop24h 20m
Frontier
Deal found 3/30![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 5/12:49 pm
SLC
- STL
1 stop27h 43m
Frontier
Deal found 3/30![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 3/29. 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.
Mon 6/153:41 pm
SLC
- STL
1 stop26h 42m
Frontier
Deal found 3/29![Frontier logo]()
$96
This Trip.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1410:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Deal found 3/31![Frontier logo]()
$99
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/291:32 pm
SLC
- STL
1 stop5h 54m
Frontier
Deal found 3/31![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 3/29. 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.
Mon 4/139:17 pm
SLC
- ORD
2 stops11h 33m
Multiple Airlines
Deal found 3/29![Multiple Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 6/110:54 pm
SLC
- ORD
3 stops23h 21m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$150
This Frontier deal was found by Cheapflights users on 3/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/288:16 am
SLC
- ORD
1 stop11h 37m
Frontier
Deal found 3/29![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/169:59 pm
SLC
- MDW
2 stops20h 32m
Frontier
Deal found 3/28![Frontier logo]()
$151
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 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Expedia) |
One-way from | $72 (Kiwi.com) |
Popular in | January |
Cheapest in | September |
Average price | $382 |
Good round-trip deal | $436 or less |
Good one-way deal | $227 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 2, 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
Sat 5/2
7:15 am-3:12 pm
1 stop6h 57m
Moline Quad-City
Sat 5/9
8:55 am-1:21 pm
1 stop5h 26m
$261
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Thu 4/30
3:45 pm-9:05 pm
2 stops28h 20m
Moline Quad-City
Thu 5/7
12:19 pm-9:30 am
1 stop22h 11m
$289
Saint GeorgeChicago
SGU - ORD
SGUORD
Saint George
Thu 7/23
5:30 pm-12:35 am
1 stop6h 05m
Chicago O'Hare Intl
Mon 7/27
5:00 am-11:09 am
1 stop7h 09m
$318
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Tue 4/14
7:20 am-2:09 pm
1 stop5h 49m
Moline Quad-City
Sat 4/18
8:00 am-3:22 pm
1 stop8h 22m
$347
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
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Sat 5/2
12:39 pm-9:02 pm
1 stop7h 23m
Moline Quad-City
Wed 5/6
3:47 pm-10:50 pm
1 stop8h 03m
$351
Salt Lake CityBloomington
SLC - BMI
SLCBMI
Salt Lake City
Wed 4/15
1:44 pm-10:27 pm
1 stop7h 43m
Bloomington-Normal
Sun 4/19
11:16 am-4:15 pm
1 stop5h 59m
$369
Salt Lake CityBloomington
SLC - BMI
SLCBMI
Salt Lake City
Fri 4/17
6:20 am-2:16 pm
1 stop6h 56m
Bloomington-Normal
Tue 4/21
11:16 am-8:40 pm
2 stops10h 24m
$374
Saint GeorgeChicago
SGU - ORD
SGUORD
Saint George
Sat 6/6
11:33 am-9:25 pm
1 stop8h 52m
Chicago O'Hare Intl
Sat 6/20
5:00 am-11:03 am
1 stop7h 03m
$383
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-ORD
SLC-MLI
SLC-MDW
SLC-STL
SGU-ORD
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-ORD
SLC-MLI
SLC-MDW
SLC-STL
What is the cheapest month to book a flight from Utah to Illinois?
Currently, April is the cheapest month in which you can book a flight from Utah to Illinois (average of $99). 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 2, 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 42% 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 March 28, 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 2, 2026.
The most flights from USUT to USIL are scheduled on a Wednesday (33 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 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 2, 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.
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
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.
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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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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 2, 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 7 airlines flying from Utah to Illinois
Discover the top 7 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 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$200 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$90 | Average$197 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$97 | Average$240 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$168 | Average$433 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$208 | Average$443 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$227 | Average$479 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$282 | Average$456 | FlexibilityNo cancel fee | On-time63% |