$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 7 — May 141
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 7, 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 7, 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 4/6. 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
Wed 6/38:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 4/6![Frontier logo]()
$141
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 Expedia deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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.
Fri 5/19:29 pm
SLC
- STL
1 stop24h 50m
Frontier
Sun 5/39:55 pm
STL
- SLC
1 stop12h 39m
Frontier
Deal found 4/3![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 4/6. 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.
Sat 5/98:23 am
SLC
- STL
1 stop10h 00m
Frontier
Wed 5/135:27 pm
STL
- SLC
2 stops47h 21m
Frontier
Deal found 4/6![Frontier logo]()
$178
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:29 pm
SLC
- STL
1 stop24h 50m
Frontier
Mon 6/19:21 pm
STL
- SLC
1 stop13h 09m
Frontier
Deal found 4/5![Frontier logo]()
$180
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 7, 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 7, 2026.
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 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
Tue 5/53:47 pm
MLI
- SLC
1 stop8h 03m
United Airlines
Deal found 4/2![United Airlines logo]()
$351
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 Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/12:40 pm
SLC
- MDW
1 stop6h 15m
Southwest
Mon 6/810:00 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 4/7![Southwest logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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 9/186:26 pm
SLC
- ORD
1 stop17h 56m
Alaska Airlines
Sun 9/202:18 pm
ORD
- SLC
1 stop7h 41m
Alaska Airlines
Deal found 4/3![Alaska Airlines logo]()
$491
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 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 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 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 4/291:55 pm
SLC
- ORD
Nonstop3h 09m
Delta
Sat 5/22:09 pm
ORD
- SLC
Nonstop3h 31m
Delta
Deal found 4/5![Delta logo]()
$407
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 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 5/191:10 pm
SLC
- MDW
Nonstop3h 00m
Southwest
Sat 5/2310:15 am
MDW
- SLC
Nonstop3h 30m
Southwest
Deal found 4/4![Southwest logo]()
$437
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
1 stop5h 59m
American Airlines
Deal found 4/2![American Airlines logo]()
$369
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
Tue 5/52:09 pm
ORD
- SLC
Nonstop3h 31m
Delta
Deal found 4/5![Delta logo]()
$407
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 4/4. 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.
Sat 5/25:45 am
SLC
- MDW
2 stops7h 50m
Southwest
Sat 5/95:00 am
MDW
- SLC
1 stop6h 30m
Southwest
Deal found 4/4![Southwest logo]()
$438
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 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.
Thu 5/144:38 pm
SGU
- ORD
1 stop6h 54m
American Airlines
Tue 5/197:06 pm
ORD
- SGU
1 stop5h 53m
American Airlines
Deal found 4/6![American Airlines logo]()
$383
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 Delta deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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 5/112:40 pm
SLC
- ORD
Nonstop3h 10m
Delta
Mon 5/187:45 am
ORD
- SLC
Nonstop3h 27m
Delta
Deal found 4/3![Delta logo]()
$417
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 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.
Fri 5/227:15 am
SLC
- MDW
Nonstop3h 00m
Southwest
Tue 5/269:00 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 4/2![Southwest logo]()
$465
This United Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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 8/145:30 pm
SGU
- ORD
1 stop5h 29m
United Airlines
Sun 8/167:00 am
ORD
- SGU
1 stop10h 04m
United Airlines
Deal found 4/3![United Airlines logo]()
$408
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 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 4/2. 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.
Sat 5/211:05 am
SLC
- ORD
2 stops10h 15m
Southwest
Sat 5/92:05 pm
ORD
- SLC
2 stops8h 40m
Southwest
Deal found 4/2![Southwest logo]()
$473
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.
Fri 7/244:25 pm
SLC
- PIA
1 stop7h 10m
United Airlines
Mon 7/275:33 pm
PIA
- SLC
1 stop6h 15m
United Airlines
Deal found 4/2![United Airlines logo]()
$417
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 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.
Thu 6/411:35 am
SLC
- MDW
2 stops7h 45m
Southwest
Sat 6/610:15 am
MDW
- SLC
2 stops9h 15m
Southwest
Deal found 4/4![Southwest logo]()
$477
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 5/212:39 pm
SLC
- PIA
1 stop5h 20m
United Airlines
Tue 5/56:30 am
PIA
- SLC
1 stop6h 06m
United Airlines
Deal found 4/2![United Airlines logo]()
$429
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 5/75:45 am
SLC
- MDW
2 stops8h 10m
Southwest
Wed 5/1312:20 pm
MDW
- SLC
2 stops6h 40m
Southwest
Deal found 4/5![Southwest logo]()
$477
Last-minute flights from Utah to IllinoisDiscover last-minute flight deals from Utah to Illinois. Data last updated April 7, 2026 and is based on user searches.
Discover last-minute flight deals from Utah to Illinois. Data last updated April 7, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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.
Fri 5/19:29 pm
SLC
- STL
1 stop24h 50m
Frontier
Sun 5/39:55 pm
STL
- SLC
1 stop12h 39m
Frontier
Deal found 4/3![Frontier logo]()
$160
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:29 pm
SLC
- STL
1 stop24h 50m
Frontier
Mon 6/19:21 pm
STL
- SLC
1 stop13h 09m
Frontier
Deal found 4/5![Frontier logo]()
$180
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.
Sat 5/98:23 am
SLC
- STL
1 stop10h 00m
Frontier
Wed 5/135:27 pm
STL
- SLC
2 stops47h 21m
Frontier
Deal found 4/6![Frontier logo]()
$178
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 5/2710:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Wed 6/38:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 4/6![Frontier logo]()
$141
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 7, 2026.
Search for one-way flight options from Utah to Illinois. Find affordable one-way fares based on user searches. Data last updated April 7, 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 Kiwi.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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 4/3![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 4/3. Clicking the “Pick Dates” 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 4/3![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 Frontier deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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 4/309:57 am
SLC
- STL
1 stop10h 03m
Frontier
Deal found 4/3![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 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 Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:13 pm
SLC
- STL
1 stop20h 19m
Frontier
Deal found 4/4![Frontier logo]()
$101
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:36 pm
SLC
- STL
2 stops34h 19m
Frontier
Deal found 4/4![Frontier logo]()
$102
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3010:41 pm
SLC
- STL
1 stop19h 42m
Frontier
Deal found 4/4![Frontier logo]()
$104
This CheapOair deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” 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 4/205:34 pm
SLC
- ORD
1 stop6h 25m
Frontier
Deal found 4/3![Frontier logo]()
$155
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 7, 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 7, 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
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 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
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
7:15 am-3:12 pm
1 stop6h 57m
Moline Quad-City
Tue 5/5
3:47 pm-10:50 pm
1 stop8h 03m
$351
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 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-4:15 pm
1 stop5h 59m
$369
Saint GeorgeChicago
SGU - ORD
SGUORD
Saint George
Thu 5/14
4:38 pm-12:32 am
1 stop6h 54m
Chicago O'Hare Intl
Tue 5/19
7:06 pm-11:59 pm
1 stop5h 53m
$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
Saint GeorgeChicago
SGU - ORD
SGUORD
Saint George
Mon 5/4
4:38 pm-12:32 am
1 stop6h 54m
Chicago O'Hare Intl
Mon 5/11
5:00 am-10:37 am
1 stop6h 37m
$383
Quickest round-trip
Saint GeorgeChicago
SGU - ORD
SGUORD
Saint George
Sat 6/6
1:46 pm-5:05 pm
Nonstop2h 19m
Chicago O'Hare Intl
Sat 6/13
9:10 am-10:38 am
Nonstop2h 28m
$389
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-MDW
SGU-ORD
SLC-MLI
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-MDW
SGU-ORD
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 7, 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 7, 2026.
The most flights from USUT to USIL are scheduled on a Tuesday (30 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 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 7, 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
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Comfort
8.0
Overall
8.0
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 7, 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 7, 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% |