$65+ 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 6/16. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ORD
May 18 — May 251
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 18, 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 18, 2026.
This Expedia deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:48 pm
SLC
- STL
1 stop18h 18m
Frontier
Thu 5/78:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 4/13![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 6/311:05 am
SLC
- STL
1 stop26h 26m
Frontier
Sat 6/68:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 4/16![Frontier logo]()
$167
This CheapOair deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 5/98:23 am
SLC
- STL
1 stop10h 00m
Frontier
Mon 5/119:18 pm
STL
- SLC
1 stop13h 12m
Frontier
Deal found 4/14![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/168:23 am
SLC
- STL
1 stop10h 00m
Frontier
Tue 5/196:51 pm
STL
- SLC
2 stops13h 47m
Frontier
Deal found 4/13![Frontier logo]()
$177
This Expedia deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/12:49 pm
SLC
- STL
1 stop27h 43m
Frontier
Mon 5/48:17 pm
STL
- SLC
1 stop12h 21m
Frontier
Deal found 4/13![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 5/138:30 pm
SLC
- STL
1 stop21h 53m
Frontier
Mon 5/185:27 pm
STL
- SLC
2 stops41h 03m
Frontier
Deal found 4/17![Frontier logo]()
$181
This Travelocity deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:14 am
SLC
- STL
1 stop22h 43m
Frontier
Sun 5/319:06 pm
STL
- SLC
1 stop13h 24m
Frontier
Deal found 4/13![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:30 pm
SLC
- STL
1 stop21h 53m
Frontier
Mon 5/185:27 pm
STL
- SLC
2 stops41h 03m
Frontier
Deal found 4/17![Frontier logo]()
$195
This Trip.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
Mon 5/410:48 pm
SLC
- STL
1 stop18h 18m
Frontier
Tue 5/126:51 pm
STL
- SLC
1 stop15h 39m
Frontier
Deal found 4/17![Frontier logo]()
$199
This Frontier deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 4/3010:48 pm
SLC
- STL
1 stop11h 34m
Frontier
Sun 5/39:55 pm
STL
- SLC
1 stop12h 39m
Frontier
Deal found 4/14![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 6/101:50 pm
SLC
- ORD
1 stop14h 42m
Frontier
Sun 6/145:35 pm
ORD
- SLC
2 stops41h 00m
Frontier
Deal found 4/13![Frontier logo]()
$292
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 7/156:42 am
SLC
- MLI
1 stop8h 40m
Delta
Wed 7/225:07 pm
MLI
- SLC
1 stop8h 19m
Delta
Deal found 4/16![Delta logo]()
$300
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 18, 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 18, 2026.
This Delta deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/126:42 am
SLC
- MLI
1 stop8h 43m
Delta
Wed 7/225:07 pm
MLI
- SLC
1 stop8h 19m
Delta
Deal found 4/12![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
Sun 5/245:05 am
SGU
- ORD
1 stop5h 39m
United Airlines
Sun 6/215:00 am
ORD
- SGU
1 stop6h 19m
United Airlines
Deal found 4/17![United Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 5/282:01 pm
SLC
- PIA
1 stop8h 37m
American Airlines
Sat 5/305:06 am
PIA
- SLC
1 stop7h 22m
American Airlines
Deal found 4/16![American Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 9/248:05 am
SLC
- MDW
Nonstop3h 00m
Southwest
Tue 9/299:25 am
MDW
- SLC
1 stop7h 25m
Southwest
Deal found 4/15![Southwest logo]()
$380
This Alaska Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 9/182:19 pm
SLC
- ORD
1 stop8h 38m
Alaska Airlines
Sun 9/207:00 am
ORD
- SLC
1 stop7h 42m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$405
This Expedia deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 8/137:39 pm
SLC
- BRL
2 stops16h 41m
Multiple Airlines
Wed 8/199:10 am
BRL
- SLC
2 stops12h 38m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$676
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/154:25 pm
SLC
- PIA
1 stop5h 35m
United Airlines
Tue 7/215:33 pm
PIA
- SLC
1 stop6h 15m
United Airlines
Deal found 4/13![United Airlines logo]()
$339
This American Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 5/26:20 am
SLC
- PIA
1 stop5h 32m
American Airlines
Sun 5/105:02 am
PIA
- SLC
1 stop7h 47m
American Airlines
Deal found 4/15![American Airlines logo]()
$354
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 8/298:00 am
SLC
- MLI
1 stop7h 56m
United Airlines
Tue 9/13:44 pm
MLI
- SLC
1 stop8h 05m
United Airlines
Deal found 4/15![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 9/181:45 pm
SLC
- ORD
Nonstop3h 16m
Delta
Sun 9/206:00 am
ORD
- SLC
1 stop5h 15m
Delta
Deal found 4/15![Delta logo]()
$395
This Southwest deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 6/43:15 pm
SLC
- MDW
1 stop8h 20m
Southwest
Tue 6/99:05 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 4/15![Southwest logo]()
$404
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 5/212:49 pm
SLC
- PIA
1 stop10h 03m
American Airlines
Wed 5/65:02 am
PIA
- SLC
1 stop7h 47m
American Airlines
Deal found 4/17![American Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/242:36 pm
SLC
- ORD
Nonstop3h 23m
Delta
Tue 6/307:37 pm
ORD
- SLC
Nonstop3h 38m
Delta
Deal found 4/13![Delta logo]()
$397
This American Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 4/308:30 am
SLC
- MLI
1 stop5h 48m
American Airlines
Mon 5/43:48 pm
MLI
- SLC
1 stop7h 11m
American Airlines
Deal found 4/15![American Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 8/127:00 am
SLC
- MDW
1 stop5h 35m
Southwest
Sun 8/167:10 am
MDW
- SLC
1 stop7h 35m
Southwest
Deal found 4/15![Southwest logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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.
Thu 9/108:44 am
SLC
- STL
1 stop7h 19m
Alaska Airlines
Thu 9/107:34 pm
STL
- SLC
1 stop17h 50m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 6/912:36 pm
SLC
- ORD
Nonstop3h 24m
United Airlines
Wed 6/178:05 pm
ORD
- SLC
Nonstop3h 38m
United Airlines
Deal found 4/17![United Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/177:50 am
SLC
- ORD
Nonstop3h 10m
Delta
Mon 6/227:37 pm
ORD
- SLC
Nonstop3h 38m
Delta
Deal found 4/15![Delta logo]()
$410
This American Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:15 pm
SGU
- ORD
1 stop6h 59m
American Airlines
Sat 5/25:00 am
ORD
- SGU
1 stop7h 29m
American Airlines
Deal found 4/13![American Airlines logo]()
$393
This Southwest deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3011:35 pm
SLC
- MDW
1 stop8h 05m
Southwest
Fri 7/36:25 pm
MDW
- SLC
2 stops7h 55m
Southwest
Deal found 4/17![Southwest logo]()
$435
This United Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/67:15 am
SLC
- ORD
Nonstop3h 17m
United Airlines
Tue 5/128:09 pm
ORD
- SLC
Nonstop3h 41m
United Airlines
Deal found 4/13![United Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 8/19:45 am
SLC
- MDW
1 stop7h 17m
Delta
Sat 8/89:49 am
MDW
- SLC
1 stop5h 31m
Delta
Deal found 4/16![Delta logo]()
$415
This American Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 5/131:29 pm
SLC
- STL
1 stop7h 50m
American Airlines
Sat 5/166:11 pm
STL
- SLC
1 stop7h 16m
American Airlines
Deal found 4/17![American Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 5/158:30 pm
SLC
- MDW
1 stop7h 30m
Southwest
Sun 5/175:10 am
MDW
- SLC
1 stop6h 20m
Southwest
Deal found 4/15![Southwest logo]()
$450
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 7/294:25 pm
SLC
- ORD
Nonstop3h 22m
United Airlines
Mon 8/38:10 pm
ORD
- SLC
Nonstop3h 38m
United Airlines
Deal found 4/17![United Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 7/98:10 am
SLC
- MLI
1 stop7h 15m
Delta
Mon 7/2011:08 am
MLI
- SLC
1 stop7h 10m
Delta
Deal found 4/16![Delta logo]()
$419
This American Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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.
Sun 5/36:20 am
SLC
- PIA
1 stop5h 32m
American Airlines
Sun 5/105:02 am
PIA
- SLC
1 stop7h 47m
American Airlines
Deal found 4/16![American Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/241:55 pm
SLC
- ORD
1 stop7h 00m
Delta
Mon 6/297:45 am
ORD
- SLC
Nonstop3h 30m
Delta
Deal found 4/16![Delta logo]()
$420
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:35 am
SLC
- MDW
1 stop7h 50m
Southwest
Sun 5/248:35 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 4/13![Southwest logo]()
$468
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 9/212:36 pm
SLC
- PIA
1 stop5h 49m
United Airlines
Sat 9/58:25 am
PIA
- SLC
1 stop7h 44m
United Airlines
Deal found 4/17![United Airlines logo]()
$429
Last-minute flights from Utah to IllinoisDiscover last-minute flight deals from Utah to Illinois. Data last updated April 18, 2026 and is based on user searches.
Discover last-minute flight deals from Utah to Illinois. Data last updated April 18, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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.
Wed 4/225:51 pm
SLC
- ORD
1 stop11h 17m
Frontier
Sun 4/266:00 am
ORD
- SLC
1 stop15h 34m
Frontier
Deal found 4/13![Frontier logo]()
$306
This CheapOair deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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.
Fri 4/248:56 am
SLC
- ORD
1 stop19h 54m
Frontier
Sun 4/266:00 am
ORD
- SLC
1 stop15h 34m
Frontier
Deal found 4/13![Frontier logo]()
$317
This Frontier deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 4/3010:48 pm
SLC
- STL
1 stop11h 34m
Frontier
Sun 5/39:55 pm
STL
- SLC
1 stop12h 39m
Frontier
Deal found 4/14![Frontier logo]()
$200
This Frontier deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 4/3011:49 am
SLC
- STL
1 stop6h 32m
Frontier
Mon 5/49:55 pm
STL
- SLC
1 stop12h 35m
Frontier
Deal found 4/13![Frontier logo]()
$201
This Expedia deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/12:49 pm
SLC
- STL
1 stop27h 43m
Frontier
Mon 5/48:17 pm
STL
- SLC
1 stop12h 21m
Frontier
Deal found 4/13![Frontier logo]()
$180
This Expedia deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:48 pm
SLC
- STL
1 stop18h 18m
Frontier
Thu 5/78:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 4/13![Frontier logo]()
$160
This Trip.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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.
Mon 5/410:48 pm
SLC
- STL
1 stop18h 18m
Frontier
Tue 5/126:51 pm
STL
- SLC
1 stop15h 39m
Frontier
Deal found 4/17![Frontier logo]()
$199
This CheapOair deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 5/98:23 am
SLC
- STL
1 stop10h 00m
Frontier
Mon 5/119:18 pm
STL
- SLC
1 stop13h 12m
Frontier
Deal found 4/14![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” 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 5/138:30 pm
SLC
- STL
1 stop21h 53m
Frontier
Mon 5/185:27 pm
STL
- SLC
2 stops41h 03m
Frontier
Deal found 4/17![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:30 pm
SLC
- STL
1 stop21h 53m
Frontier
Mon 5/185:27 pm
STL
- SLC
2 stops41h 03m
Frontier
Deal found 4/17![Frontier logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/168:23 am
SLC
- STL
1 stop10h 00m
Frontier
Tue 5/196:51 pm
STL
- SLC
2 stops13h 47m
Frontier
Deal found 4/13![Frontier logo]()
$177
This Travelocity deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2312:14 am
SLC
- STL
1 stop22h 43m
Frontier
Sun 5/319:06 pm
STL
- SLC
1 stop13h 24m
Frontier
Deal found 4/13![Frontier logo]()
$185
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 18, 2026.
Search for one-way flight options from Utah to Illinois. Find affordable one-way fares based on user searches. Data last updated April 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 6/1610:41 pm
SLC
- STL
1 stop19h 42m
Frontier
Deal found 4/14![Frontier logo]()
$65
This Trip.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/98:23 am
SLC
- STL
1 stop10h 00m
Frontier
Deal found 4/14![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:30 pm
SLC
- STL
1 stop21h 53m
Frontier
Deal found 4/15![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:30 pm
SLC
- STL
1 stop21h 53m
Frontier
Deal found 4/15![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” 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 5/138:30 pm
SLC
- STL
1 stop21h 53m
Frontier
Deal found 4/16![Frontier logo]()
$72
This Travelocity deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/161:32 pm
SLC
- STL
1 stop21h 09m
Frontier
Deal found 4/16![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/148:30 pm
SLC
- STL
1 stop21h 53m
Frontier
Deal found 4/14![Frontier logo]()
$93
This Kissandfly.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:32 pm
SLC
- STL
1 stop27h 34m
Frontier
Deal found 4/14![Frontier logo]()
$97
This Priceline deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” 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 6/41:32 pm
SLC
- STL
1 stop5h 39m
Frontier
Deal found 4/15![Frontier logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 6/173:41 pm
SLC
- PIA
1 stop27h 15m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” 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 6/188:16 am
SLC
- PIA
1 stop10h 40m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” 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 5/119:36 pm
SLC
- MDW
1 stop15h 36m
Frontier
Deal found 4/13![Frontier logo]()
$163
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 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Expedia) |
One-way from | $65 (Kiwi.com) |
Popular in | January |
Cheapest in | September |
Average price | $399 |
Good round-trip deal | $422 or less |
Good one-way deal | $262 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 18, 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
Sun 7/12
6:42 am-4:25 pm
1 stop8h 43m
Moline Quad-City
Wed 7/22
5:07 pm-12:26 am
1 stop8h 19m
$310
Saint GeorgeChicago
SGU - ORD
SGUORD
Saint George
Sun 5/24
5:05 am-11:44 am
1 stop5h 39m
Chicago O'Hare Intl
Sun 6/21
5:00 am-10:19 am
1 stop6h 19m
$318
Salt Lake CityPeoria
SLC - PIA
SLCPIA
Salt Lake City
Thu 5/28
2:01 pm-11:38 pm
1 stop8h 37m
Greater Peoria
Sat 5/30
5:06 am-11:28 am
1 stop7h 22m
$339
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 8/29
8:00 am-4:56 pm
1 stop7h 56m
Moline Quad-City
Tue 9/1
3:44 pm-10:49 pm
1 stop8h 05m
$351
Salt Lake CityPeoria
SLC - PIA
SLCPIA
Salt Lake City
Sat 5/2
6:20 am-12:52 pm
1 stop5h 32m
Greater Peoria
Sun 5/10
5:02 am-11:49 am
1 stop7h 47m
$354
Salt Lake CityPeoria
SLC - PIA
SLCPIA
Salt Lake City
Sat 5/2
12:49 pm-11:52 pm
1 stop10h 03m
Greater Peoria
Wed 5/6
5:02 am-11:49 am
1 stop7h 47m
$369
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Thu 4/30
8:30 am-3:18 pm
1 stop5h 48m
Moline Quad-City
Mon 5/4
3:48 pm-9:59 pm
1 stop7h 11m
$369
Salt Lake CityChicago
SLC - MDW
SLCMDW
Salt Lake City
Thu 9/24
8:05 am-12:05 pm
Nonstop3h 00m
Chicago Midway
Tue 9/29
9:25 am-3:50 pm
1 stop7h 25m
$380
Saint GeorgeChicago
SGU - ORD
SGUORD
Saint George
Tue 4/28
12:15 pm-8:14 pm
1 stop6h 59m
Chicago O'Hare Intl
Sat 5/2
5:00 am-11:29 am
1 stop7h 29m
$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-STL
SLC-MLI
SLC-MDW
SLC-ORD
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-MLI
SLC-MDW
SLC-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 $40). Flying from Utah to Illinois in January is currently the most expensive (average of $168). 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 18, 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 morning could potentially save you up to 22% 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 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.
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 18, 2026.
The most flights from USUT to USIL are scheduled on a Wednesday (34 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (25 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 18, 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
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Crew
8.6
Overall
8.0
Comfort
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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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 18, 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 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$141 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$144 | Average$254 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$168 | Average$434 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$199 | Average$447 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$227 | Average$462 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$282 | Average$454 | FlexibilityNo cancel fee | On-time63% |