$79+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ORD
Aug 5 — Aug 121
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from 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 July 6, 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 July 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:05 am
SLC
- STL
1 stop12h 18m
Frontier
Wed 8/58:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/1![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:16 am
SLC
- STL
1 stop10h 07m
Frontier
Wed 7/298:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/1![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:05 am
SLC
- STL
1 stop12h 18m
Frontier
Tue 7/288:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/1![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:16 am
SLC
- STL
1 stop10h 07m
Frontier
Wed 8/128:08 pm
STL
- SLC
1 stop28h 36m
Frontier
Deal found 7/1![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:05 am
SLC
- STL
1 stop12h 18m
Frontier
Sat 8/18:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/1![Frontier logo]()
$200
This Booking.com deal was found by Cheapflights users on 7/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:28 pm
SLC
- STL
1 stop20h 47m
Frontier
Tue 9/2212:46 pm
STL
- SLC
1 stop26h 10m
Frontier
Deal found 7/3![Frontier logo]()
$222
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:16 am
SLC
- STL
1 stop10h 07m
Frontier
Sat 7/258:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/1![Frontier logo]()
$223
This Orbitz deal was found by Cheapflights users on 7/3. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:58 pm
SLC
- STL
1 stop26h 19m
Frontier
Sat 10/175:14 pm
STL
- SLC
1 stop28h 49m
Frontier
Deal found 7/3![Frontier logo]()
$234
This Gotogate deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:28 pm
SLC
- STL
1 stop20h 47m
Frontier
Sat 10/312:46 pm
STL
- SLC
1 stop21h 47m
Frontier
Deal found 7/2![Frontier logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:16 am
SLC
- STL
1 stop10h 07m
Frontier
Sat 8/88:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/1![Frontier logo]()
$238
This Orbitz deal was found by Cheapflights users on 7/5. 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.
Thu 10/810:28 am
SLC
- STL
1 stop13h 49m
Frontier
Tue 10/138:10 pm
STL
- SLC
1 stop25h 23m
Frontier
Deal found 7/5![Frontier logo]()
$239
This American Airlines deal was found by Cheapflights users on 7/5. 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 8/268:03 am
SLC
- MLI
1 stop6h 59m
American Airlines
Tue 9/14:32 pm
MLI
- SLC
1 stop8h 09m
American Airlines
Deal found 7/5![American Airlines logo]()
$261
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 July 6, 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 July 6, 2026.
This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:03 am
SLC
- MLI
1 stop6h 59m
American Airlines
Tue 9/14:32 pm
MLI
- SLC
1 stop8h 09m
American Airlines
Deal found 7/3![American Airlines logo]()
$261
This United Airlines deal was found by Cheapflights users on 7/5. 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.
Thu 8/135:24 pm
SGU
- ORD
1 stop5h 35m
United Airlines
Thu 8/2010:27 am
ORD
- SGU
1 stop6h 48m
United Airlines
Deal found 7/5![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/265:45 pm
SLC
- ORD
Nonstop3h 07m
Delta
Tue 9/297:45 am
ORD
- SLC
Nonstop3h 30m
Delta
Deal found 7/1![Delta logo]()
$361
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:45 am
SLC
- MDW
Nonstop3h 00m
Southwest
Thu 9/108:35 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 7/1![Southwest logo]()
$377
This American Airlines deal was found by Cheapflights users on 7/5. 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 8/65:05 pm
SLC
- MLI
1 stop6h 03m
American Airlines
Sun 8/94:32 pm
MLI
- SLC
1 stop8h 09m
American Airlines
Deal found 7/5![American Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 7/5. 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.
Fri 8/141:50 pm
SGU
- ORD
1 stop6h 39m
United Airlines
Tue 8/186:00 am
ORD
- SGU
1 stop5h 20m
United Airlines
Deal found 7/5![United Airlines logo]()
$318
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:36 pm
SGU
- ORD
Nonstop3h 43m
United Airlines
Sat 8/229:00 am
ORD
- SGU
Nonstop3h 55m
United Airlines
Deal found 7/5![United Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 7/3. 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 9/145:45 pm
SLC
- ORD
Nonstop3h 07m
Delta
Thu 9/172:05 pm
ORD
- SLC
Nonstop3h 35m
Delta
Deal found 7/3![Delta logo]()
$393
This Southwest deal was found by Cheapflights users on 7/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/171:20 pm
SLC
- MDW
Nonstop3h 00m
Southwest
Mon 8/244:00 pm
MDW
- SLC
1 stop5h 55m
Southwest
Deal found 7/3![Southwest logo]()
$399
This KAYAK deal was found by Cheapflights users on 7/3. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:46 pm
SLC
- BRL
2 stops21h 24m
Multiple Airlines
Sat 7/119:10 am
BRL
- SLC
2 stops12h 31m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$859
This Delta deal was found by Cheapflights users on 7/3. 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.
Wed 9/237:45 am
SLC
- ORD
Nonstop3h 10m
Delta
Tue 9/297:45 am
ORD
- SLC
Nonstop3h 30m
Delta
Deal found 7/3![Delta logo]()
$393
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/811:00 am
SLC
- MDW
2 stops8h 45m
Southwest
Mon 8/105:40 am
MDW
- SLC
1 stop7h 00m
Southwest
Deal found 7/1![Southwest logo]()
$402
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:25 pm
SLC
- ORD
Nonstop3h 23m
United Airlines
Wed 9/237:00 am
ORD
- SLC
1 stop7h 18m
United Airlines
Deal found 7/2![United Airlines logo]()
$371
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/912:17 pm
SLC
- PIA
2 stops11h 05m
American Airlines
Fri 7/179:50 am
PIA
- SLC
1 stop7h 13m
American Airlines
Deal found 7/2![American Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 7/3. 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 8/172:05 pm
SLC
- ORD
Nonstop3h 14m
Delta
Mon 8/247:29 am
ORD
- SLC
1 stop9h 31m
Delta
Deal found 7/3![Delta logo]()
$403
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:10 pm
SLC
- ORD
Nonstop3h 25m
United Airlines
Tue 9/295:00 am
ORD
- SLC
1 stop5h 34m
United Airlines
Deal found 7/1![United Airlines logo]()
$371
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:00 am
SLC
- STL
2 stops9h 55m
Southwest
Fri 8/215:15 am
STL
- SLC
2 stops9h 45m
Southwest
Deal found 7/1![Southwest logo]()
$421
This American Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/45:05 pm
SLC
- PIA
1 stop5h 54m
American Airlines
Tue 9/86:00 am
PIA
- SLC
2 stops10h 41m
American Airlines
Deal found 7/4![American Airlines logo]()
$430
This Delta deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:50 am
SLC
- ORD
Nonstop3h 09m
Delta
Sat 8/84:45 pm
ORD
- SLC
Nonstop3h 35m
Delta
Deal found 7/5![Delta logo]()
$415
This Southwest deal was found by Cheapflights users on 7/5. 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.
Wed 9/27:00 am
SLC
- MDW
1 stop5h 35m
Southwest
Tue 9/88:45 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 7/5![Southwest logo]()
$421
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Thu 10/158:03 am
SLC
- ORD
Nonstop3h 18m
United Airlines
Sat 10/249:00 am
ORD
- SLC
Nonstop3h 35m
United Airlines
Deal found 7/3![United Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:29 pm
SLC
- ORD
1 stop7h 28m
Delta
Sun 10/187:35 am
ORD
- SLC
Nonstop3h 40m
Delta
Deal found 7/1![Delta logo]()
$423
This Southwest deal was found by Cheapflights users on 7/5. 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.
Sat 8/82:10 pm
SLC
- MDW
1 stop7h 05m
Southwest
Tue 8/188:45 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 7/5![Southwest logo]()
$425
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:50 pm
SGU
- ORD
1 stop7h 10m
United Airlines
Sat 8/159:00 am
ORD
- SGU
Nonstop3h 55m
United Airlines
Deal found 7/1![United Airlines logo]()
$398
This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/187:00 am
SLC
- CMI
1 stop6h 16m
American Airlines
Wed 7/2211:37 am
CMI
- SLC
1 stop5h 26m
American Airlines
Deal found 7/3![American Airlines logo]()
$492
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:20 am
SLC
- STL
2 stops9h 20m
Southwest
Fri 8/142:20 pm
STL
- SLC
2 stops8h 05m
Southwest
Deal found 7/1![Southwest logo]()
$438
This Delta deal was found by Cheapflights users on 7/6. 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.
Thu 8/68:50 pm
SLC
- STL
Nonstop2h 51m
Delta
Sun 8/97:45 pm
STL
- SLC
Nonstop3h 10m
Delta
Deal found 7/6![Delta logo]()
$439
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:48 pm
SGU
- ORD
1 stop8h 31m
United Airlines
Thu 8/205:55 am
ORD
- SGU
1 stop5h 25m
United Airlines
Deal found 7/1![United Airlines logo]()
$408
This American Airlines deal was found by Cheapflights users on 7/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:00 am
SLC
- EVV
1 stop8h 31m
American Airlines
Sun 8/165:01 pm
EVV
- SLC
1 stop7h 40m
American Airlines
Deal found 7/3![American Airlines logo]()
$519
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/97:00 am
SLC
- MDW
2 stops9h 10m
Southwest
Sun 9/133:10 pm
MDW
- SLC
1 stop7h 20m
Southwest
Deal found 7/1![Southwest logo]()
$438
Last-minute flights from Utah to IllinoisDiscover last-minute flight deals from Utah to Illinois. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from Utah to Illinois. Data last updated July 6, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/138:16 am
SLC
- ORD
1 stop11h 36m
Frontier
Mon 7/279:57 pm
ORD
- SLC
1 stop10h 34m
Frontier
Deal found 7/2![Frontier logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/218:16 am
SLC
- STL
1 stop10h 07m
Frontier
Sat 7/258:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/1![Frontier logo]()
$223
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:16 am
SLC
- STL
1 stop10h 07m
Frontier
Wed 7/298:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/1![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:05 am
SLC
- STL
1 stop12h 18m
Frontier
Tue 7/288:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/1![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:05 am
SLC
- STL
1 stop12h 18m
Frontier
Sat 8/18:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/1![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:16 am
SLC
- STL
1 stop10h 07m
Frontier
Wed 7/298:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/1![Frontier logo]()
$183
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:05 am
SLC
- STL
2 stops10h 32m
Frontier
Sat 8/18:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/1![Frontier logo]()
$242
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:05 am
SLC
- STL
1 stop12h 18m
Frontier
Wed 8/58:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/1![Frontier logo]()
$180
This American Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:56 pm
SLC
- MLI
1 stop6h 45m
American Airlines
Mon 8/104:32 pm
MLI
- SLC
1 stop8h 08m
American Airlines
Deal found 7/5![American Airlines logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/68:16 am
SLC
- STL
1 stop10h 07m
Frontier
Sat 8/88:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/1![Frontier logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:16 am
SLC
- STL
1 stop10h 07m
Frontier
Wed 8/128:08 pm
STL
- SLC
1 stop28h 36m
Frontier
Deal found 7/1![Frontier logo]()
$195
This American Airlines deal was found by Cheapflights users on 7/5. 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 8/268:03 am
SLC
- MLI
1 stop6h 59m
American Airlines
Tue 9/14:32 pm
MLI
- SLC
1 stop8h 09m
American Airlines
Deal found 7/5![American Airlines logo]()
$261
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 July 6, 2026.
Search for one-way flight options from Utah to Illinois. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:51 pm
SLC
- STL
1 stop9h 26m
Frontier
Deal found 7/1![Frontier logo]()
$79
This Trip.com deal was found by Cheapflights users on 7/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 7/3![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 7/2![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:05 am
SLC
- STL
1 stop12h 18m
Frontier
Deal found 7/2![Frontier logo]()
$91
This Trip.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 7/2![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Sat 10/247:25 am
SLC
- STL
1 stop10h 50m
Frontier
Deal found 7/3![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/169:28 pm
SLC
- STL
1 stop20h 47m
Frontier
Deal found 7/5![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:28 pm
SLC
- STL
1 stop20h 47m
Frontier
Deal found 7/2![Frontier logo]()
$97
This Super.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:51 pm
SLC
- STL
1 stop6h 48m
Frontier
Deal found 7/1![Frontier logo]()
$103
This Expedia deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:51 pm
SLC
- STL
1 stop6h 48m
Frontier
Deal found 7/2![Frontier logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Sat 10/107:25 am
SLC
- STL
1 stop10h 50m
Frontier
Deal found 7/3![Frontier logo]()
$106
This Trip.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 7/2![Frontier logo]()
$107
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 July 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $180 (Kiwi.com) |
One-way from | $79 (Kiwi.com) |
Popular in | January |
Cheapest in | August |
Average price | $420 |
Good round-trip deal | $284 or less |
Good one-way deal | $251 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 July 6, 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 8/26
8:03 am-4:02 pm
1 stop6h 59m
Moline Quad-City
Tue 9/1
4:32 pm-11:41 pm
1 stop8h 09m
$261
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Thu 8/6
5:05 pm-12:08 am
1 stop6h 03m
Moline Quad-City
Sun 8/9
4:32 pm-11:41 pm
1 stop8h 09m
$317
Saint GeorgeChicago
SGU - ORD
SGUORD
Saint George
Thu 8/13
5:24 pm-11:59 pm
1 stop5h 35m
Chicago O'Hare Intl
Thu 8/20
10:27 am-4:15 pm
1 stop6h 48m
$318
Saint GeorgeChicago
SGU - ORD
SGUORD
Saint George
Fri 8/14
1:50 pm-9:29 pm
1 stop6h 39m
Chicago O'Hare Intl
Tue 8/18
6:00 am-10:20 am
1 stop5h 20m
$318
Saint GeorgeChicago
SGU - ORD
SGUORD
Saint George
Sat 8/15
12:36 pm-5:19 pm
Nonstop3h 43m
Chicago O'Hare Intl
Sat 8/22
9:00 am-11:55 am
Nonstop3h 55m
$335
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Sat 9/26
5:45 pm-9:52 pm
Nonstop3h 07m
Chicago O'Hare Intl
Tue 9/29
7:45 am-10:15 am
Nonstop3h 30m
$361
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Tue 9/15
4:25 pm-8:48 pm
Nonstop3h 23m
Chicago O'Hare Intl
Wed 9/23
7:00 am-1:18 pm
1 stop7h 18m
$371
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Sat 9/26
4:10 pm-8:35 pm
Nonstop3h 25m
Chicago O'Hare Intl
Tue 9/29
5:00 am-9:34 am
1 stop5h 34m
$371
Salt Lake CityChicago
SLC - MDW
SLCMDW
Salt Lake City
Tue 9/8
7:45 am-11:45 am
Nonstop3h 00m
Chicago Midway
Thu 9/10
8:35 pm-11:00 pm
Nonstop3h 25m
$377
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Mon 9/14
5:45 pm-9:52 pm
Nonstop3h 07m
Chicago O'Hare Intl
Thu 9/17
2:05 pm-4:40 pm
Nonstop3h 35m
$393
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-STL
SGU-ORD
SLC-PIA
SLC-MDW
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-STL
SGU-ORD
SLC-PIA
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 $40). Flying from Utah to Illinois in June is currently the most expensive (average of $197). 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 July 6, 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 evening tend to be the most expensive. A flight in the morning could potentially save you up to 34% on airfare.
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 July 6, 2026.
The most flights from USUT to USIL are scheduled on a Friday (35 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (21 on average).
How much does it cost to fly round-trip from Utah to Illinois?
How far ahead should I book a flight from Utah to Illinois?
The price you pay for your flight from Utah to Illinois may vary depending on when you book. For the best chance of a lower fare, look to book 54 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 11, 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.
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 July 6, 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.
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
7.9
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
7.9
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
7.9
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
7.9
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
7.9
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
7.9
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
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.
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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 July 6, 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 5 airlines flying from Utah to Illinois
Discover the top 5 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 July 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$127 | Average$271 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$181 | Average$429 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$220 | Average$458 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$257 | Average$439 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$307 | Average$464 | FlexibilityNo cancel fee | On-time63% |