$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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ORD
Apr 27 — May 41
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 March 28, 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 March 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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
Mon 5/188:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 3/25![Frontier logo]()
$150
This Expedia deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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.
Sat 4/188:00 am
SLC
- STL
1 stop10h 32m
Frontier
Sun 4/199:55 pm
STL
- SLC
1 stop11h 57m
Frontier
Deal found 3/25![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 5/810:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Mon 5/188:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 3/24![Frontier logo]()
$161
This Frontier deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:59 pm
SLC
- STL
1 stop24h 20m
Frontier
Fri 4/178:39 am
STL
- SLC
1 stop9h 25m
Frontier
Deal found 3/23![Frontier logo]()
$162
This CheapOair deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 5/88:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 3/26![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 5/610:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Mon 5/188:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 3/24![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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
Sat 5/238:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 3/24![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Sat 4/258:17 pm
STL
- SLC
1 stop12h 44m
Frontier
Deal found 3/27![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 5/810:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Sat 5/238:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 3/24![Frontier logo]()
$178
This Frontier deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 3/26![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/218:23 am
SLC
- ORD
1 stop11h 14m
Frontier
Wed 5/279:42 pm
ORD
- SLC
1 stop10h 56m
Frontier
Deal found 3/23![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/79:17 pm
SLC
- ORD
2 stops11h 33m
Multiple Airlines
Sun 4/127:55 am
ORD
- SLC
1 stop25h 44m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$271
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 March 28, 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 March 28, 2026.
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:25 pm
SLC
- PIA
1 stop5h 35m
United Airlines
Tue 7/215:33 pm
PIA
- SLC
1 stop6h 15m
United Airlines
Deal found 3/23![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 7/248:50 am
SGU
- MDW
2 stops8h 28m
Delta
Mon 7/2711:05 am
MDW
- SGU
2 stops11h 51m
Delta
Deal found 3/26![Delta logo]()
$354
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1212:15 pm
SGU
- ORD
1 stop8h 00m
American Airlines
Sat 5/167:06 pm
ORD
- SGU
1 stop5h 53m
American Airlines
Deal found 3/27![American Airlines logo]()
$383
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/1411:10 am
SLC
- STL
2 stops9h 00m
Southwest
Fri 4/177:20 pm
STL
- SLC
1 stop6h 05m
Southwest
Deal found 3/23![Southwest logo]()
$383
This Alaska Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/173:00 pm
SLC
- ORD
1 stop7h 59m
Alaska Airlines
Fri 4/248:48 pm
ORD
- SLC
2 stops18h 10m
Alaska Airlines
Deal found 3/24![Alaska Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:15 am
SLC
- MLI
1 stop6h 57m
United Airlines
Wed 5/68:55 am
MLI
- SLC
1 stop7h 41m
United Airlines
Deal found 3/27![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/201:55 pm
SLC
- ORD
Nonstop3h 09m
Delta
Tue 4/217:35 am
ORD
- SLC
Nonstop3h 37m
Delta
Deal found 3/24![Delta logo]()
$359
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 5/95:45 am
SLC
- MDW
2 stops7h 50m
Southwest
Sat 5/161:00 pm
MDW
- SLC
2 stops9h 40m
Southwest
Deal found 3/25![Southwest logo]()
$427
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 9/112:36 pm
SLC
- MLI
1 stop7h 28m
United Airlines
Sat 9/56:30 am
MLI
- SLC
2 stops13h 48m
United Airlines
Deal found 3/23![United Airlines logo]()
$406
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/211:55 pm
SLC
- ORD
Nonstop3h 09m
Delta
Thu 4/307:35 am
ORD
- SLC
Nonstop3h 37m
Delta
Deal found 3/27![Delta logo]()
$417
This United Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/185:00 am
SLC
- ORD
1 stop7h 12m
United Airlines
Sat 4/185:45 pm
ORD
- SLC
1 stop5h 30m
United Airlines
Deal found 3/24![United Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/12:00 pm
SLC
- MDW
Nonstop3h 00m
Southwest
Mon 5/49:45 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 3/23![Southwest logo]()
$458
This American Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/15:05 pm
SLC
- SPI
1 stop5h 33m
American Airlines
Sun 5/35:45 am
SPI
- SLC
2 stops10h 24m
American Airlines
Deal found 3/23![American Airlines logo]()
$512
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/165:10 pm
SLC
- ORD
Nonstop3h 08m
Delta
Fri 4/172:09 pm
ORD
- SLC
Nonstop3h 31m
Delta
Deal found 3/25![Delta logo]()
$438
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:15 pm
SLC
- STL
2 stops7h 25m
Southwest
Sat 4/2510:35 am
STL
- SLC
2 stops10h 05m
Southwest
Deal found 3/27![Southwest logo]()
$461
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/214:33 pm
SLC
- MLI
1 stop5h 29m
United Airlines
Tue 4/2810:35 am
MLI
- SLC
2 stops11h 31m
United Airlines
Deal found 3/23![United Airlines logo]()
$420
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/117:02 am
SLC
- EVV
2 stops9h 51m
American Airlines
Wed 4/154:03 pm
EVV
- SLC
1 stop6h 56m
American Airlines
Deal found 3/27![American Airlines logo]()
$526
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 5/139:40 am
SLC
- STL
Nonstop2h 52m
Delta
Sat 5/167:00 am
STL
- SLC
Nonstop3h 11m
Delta
Deal found 3/24![Delta logo]()
$439
This Southwest deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 7/207:00 pm
SLC
- STL
1 stop5h 50m
Southwest
Sat 7/251:30 pm
STL
- SLC
Nonstop3h 00m
Southwest
Deal found 3/24![Southwest logo]()
$463
This United Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 5/278:00 am
SLC
- ORD
Nonstop3h 20m
United Airlines
Sun 5/318:50 am
ORD
- SLC
Nonstop3h 48m
United Airlines
Deal found 3/24![United Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 5/288:38 pm
SLC
- STL
Nonstop2h 52m
Delta
Sat 5/305:00 pm
STL
- SLC
Nonstop3h 13m
Delta
Deal found 3/24![Delta logo]()
$439
This American Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/185:30 pm
SGU
- ORD
1 stop6h 00m
American Airlines
Mon 6/225:50 pm
ORD
- SGU
1 stop7h 25m
American Airlines
Deal found 3/27![American Airlines logo]()
$532
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 3/27![United Airlines logo]()
$428
This Southwest deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 6/111:35 pm
SLC
- MDW
1 stop7h 00m
Southwest
Sun 6/285:15 am
MDW
- SLC
1 stop6h 10m
Southwest
Deal found 3/26![Southwest logo]()
$478
This Delta deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/248:40 pm
SLC
- STL
Nonstop2h 45m
Delta
Sun 4/267:00 am
STL
- SLC
Nonstop3h 19m
Delta
Deal found 3/24![Delta logo]()
$439
This United Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 8/2212:36 pm
SLC
- PIA
1 stop5h 49m
United Airlines
Wed 8/268:25 am
PIA
- SLC
1 stop7h 44m
United Airlines
Deal found 3/24![United Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 6/511:35 am
SLC
- MDW
2 stops7h 45m
Southwest
Sat 6/64:50 pm
MDW
- SLC
1 stop7h 55m
Southwest
Deal found 3/25![Southwest logo]()
$483
This American Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/43:24 pm
SLC
- SPI
1 stop7h 08m
American Airlines
Sat 4/115:45 am
SPI
- SLC
1 stop7h 52m
American Airlines
Deal found 3/23![American Airlines logo]()
$597
This Delta deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:46 pm
SLC
- STL
Nonstop2h 51m
Delta
Sun 7/268:48 am
STL
- SLC
1 stop6h 31m
Delta
Deal found 3/27![Delta logo]()
$449
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/217:20 am
SLC
- PIA
1 stop8h 24m
United Airlines
Tue 4/288:05 am
PIA
- SLC
1 stop8h 17m
United Airlines
Deal found 3/23![United Airlines logo]()
$429
Last-minute flights from Utah to IllinoisDiscover last-minute flight deals from Utah to Illinois. Data last updated March 28, 2026 and is based on user searches.
Discover last-minute flight deals from Utah to Illinois. Data last updated March 28, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/79:17 pm
SLC
- ORD
2 stops11h 33m
Multiple Airlines
Sun 4/127:55 am
ORD
- SLC
1 stop25h 44m
Multiple Airlines
Deal found 3/23![Multiple Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 4/84:43 pm
SLC
- ORD
2 stops27h 45m
Frontier
Sun 4/127:55 am
ORD
- SLC
1 stop25h 44m
Frontier
Deal found 3/23![Frontier logo]()
$277
This CheapOair deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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.
Thu 4/97:35 am
SLC
- STL
1 stop25h 13m
Frontier
Sat 4/188:17 pm
STL
- SLC
1 stop12h 44m
Frontier
Deal found 3/23![Frontier logo]()
$191
This Expedia deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 4/99:57 am
SLC
- STL
1 stop24h 30m
Frontier
Mon 4/1312:22 pm
STL
- SLC
1 stop24h 37m
Frontier
Deal found 3/25![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:59 pm
SLC
- STL
1 stop24h 20m
Frontier
Fri 4/178:39 am
STL
- SLC
1 stop9h 25m
Frontier
Deal found 3/23![Frontier logo]()
$162
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Sat 4/258:17 pm
STL
- SLC
1 stop12h 44m
Frontier
Deal found 3/27![Frontier logo]()
$176
This Expedia deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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.
Sat 4/188:00 am
SLC
- STL
1 stop10h 32m
Frontier
Sun 4/199:55 pm
STL
- SLC
1 stop11h 57m
Frontier
Deal found 3/25![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 3/26![Frontier logo]()
$180
This CheapOair deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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.
Tue 4/219:59 pm
SLC
- STL
1 stop24h 20m
Frontier
Tue 4/284:59 pm
STL
- SLC
1 stop28h 35m
Frontier
Deal found 3/25![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/2311:49 am
SLC
- STL
1 stop6h 32m
Frontier
Fri 4/249:58 pm
STL
- SLC
2 stops11h 03m
Frontier
Deal found 3/24![Frontier logo]()
$195
This Frontier deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 4/2411:49 am
SLC
- STL
1 stop6h 32m
Frontier
Sun 4/269:55 pm
STL
- SLC
1 stop11h 57m
Frontier
Deal found 3/26![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:49 pm
SLC
- STL
1 stop27h 43m
Frontier
Fri 5/17:01 pm
STL
- SLC
2 stops14h 00m
Frontier
Deal found 3/27![Frontier logo]()
$203
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 March 28, 2026.
Search for one-way flight options from Utah to Illinois. Find affordable one-way fares based on user searches. Data last updated March 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 5/1510:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Deal found 3/24![Frontier logo]()
$79
This Frontier deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” 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 5/91:32 pm
SLC
- STL
1 stop5h 51m
Frontier
Deal found 3/23![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:23 am
SLC
- STL
1 stop10h 00m
Frontier
Deal found 3/27![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:19 pm
SLC
- STL
1 stop24h 02m
Frontier
Deal found 3/27![Frontier logo]()
$84
This Trip.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/237:35 am
SLC
- STL
1 stop10h 46m
Frontier
Deal found 3/24![Frontier logo]()
$85
This Frontier deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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 5/238:23 am
SLC
- STL
1 stop10h 00m
Frontier
Deal found 3/25![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 3/24![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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
Deal found 3/25![Frontier logo]()
$91
This CheapOair deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” 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.
Sat 5/23:19 pm
SLC
- STL
1 stop27h 02m
Frontier
Deal found 3/25![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” 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 4/242:49 pm
SLC
- STL
1 stop27h 43m
Frontier
Deal found 3/24![Frontier logo]()
$96
This Frontier deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” 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 3/26![Frontier logo]()
$100
This Priceline deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/161:12 pm
SLC
- ORD
1 stop6h 41m
Frontier
Deal found 3/23![Frontier logo]()
$145
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 March 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $150 (Kiwi.com) |
One-way from | $79 (Kiwi.com) |
Popular in | January |
Cheapest in | September |
Average price | $452 |
Good round-trip deal | $420 or less |
Good one-way deal | $219 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 March 28, 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 CityPeoria
SLC - PIA
SLCPIA
Salt Lake City
Wed 7/15
4:25 pm-11:00 pm
1 stop5h 35m
Greater Peoria
Tue 7/21
5:33 pm-10:48 pm
1 stop6h 15m
$339
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Sat 5/2
7:15 am-3:12 pm
1 stop6h 57m
Moline Quad-City
Wed 5/6
8:55 am-3:36 pm
1 stop7h 41m
$351
Saint GeorgeChicago
SGU - MDW
SGUMDW
Saint George
Fri 7/24
8:50 am-6:18 pm
2 stops8h 28m
Chicago Midway
Mon 7/27
11:05 am-9:56 pm
2 stops11h 51m
$354
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Mon 4/20
1:55 pm-6:04 pm
Nonstop3h 09m
Chicago O'Hare Intl
Tue 4/21
7:35 am-10:12 am
Nonstop3h 37m
$359
Saint GeorgeChicago
SGU - ORD
SGUORD
Saint George
Tue 5/12
12:15 pm-9:15 pm
1 stop8h 00m
Chicago O'Hare Intl
Sat 5/16
7:06 pm-11:59 pm
1 stop5h 53m
$383
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Tue 4/14
11:10 am-9:10 pm
2 stops9h 00m
Lambert-St Louis
Fri 4/17
7:20 pm-12:25 am
1 stop6h 05m
$383
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Tue 9/1
12:36 pm-9:04 pm
1 stop7h 28m
Moline Quad-City
Sat 9/5
6:30 am-7:18 pm
2 stops13h 48m
$406
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Sat 4/18
5:00 am-1:12 pm
1 stop7h 12m
Chicago O'Hare Intl
Sat 4/18
5:45 pm-10:15 pm
1 stop5h 30m
$415
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Tue 4/21
1:55 pm-6:04 pm
Nonstop3h 09m
Chicago O'Hare Intl
Thu 4/30
7:35 am-10:12 am
Nonstop3h 37m
$417
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Tue 4/21
4:33 pm-11:02 pm
1 stop5h 29m
Moline Quad-City
Tue 4/28
10:35 am-9:06 pm
2 stops11h 31m
$420
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Utah to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Utah with our price prediction graph.
SLC-STL
SLC-ORD
SLC-MLI
SLC-MDW
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-STL
SLC-ORD
SLC-MLI
SLC-MDW
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 $97). 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 March 28, 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 23, 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 March 28, 2026.
The most flights from USUT to USIL are scheduled on a Friday (33 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 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 March 28, 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
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Comfort
8.0
Overall
8.0
Boarding
8.1
Entertainment
7.5
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 March 28, 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 March 28, 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$239 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$168 | Average$428 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$208 | Average$441 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$227 | Average$479 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$282 | Average$456 | FlexibilityNo cancel fee | On-time63% |