$54+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ORD
mar 11 — mar 181
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 februari 9, 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 februari 9, 2026.
This CheapOair deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 2/248:01 pm
SLC
- STL
1 stop18h 52m
Frontier
lör 2/282:51 pm
STL
- SLC
1 stop18h 53m
Frontier
Deal found 2/7![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons 3/48:00 am
SLC
- STL
1 stop6h 53m
Frontier
lör 3/78:12 pm
STL
- SLC
1 stop11h 43m
Frontier
Deal found 2/6![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 2/5. 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.
fre 3/69:14 pm
SLC
- STL
1 stop11h 35m
Frontier
mån 3/168:12 pm
STL
- SLC
1 stop12h 43m
Frontier
Deal found 2/5![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 5/57:02 pm
SLC
- ORD
1 stop9h 29m
Multiple Airlines
lör 5/94:55 pm
ORD
- SLC
2 stops16h 06m
Multiple Airlines
Deal found 2/6![Multiple Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre 3/209:14 pm
SLC
- ORD
1 stop26h 24m
Frontier
ons 3/2512:35 pm
ORD
- SLC
1 stop7h 54m
Frontier
Deal found 2/6![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 3/34:40 pm
SLC
- ORD
1 stop23h 23m
Frontier
mån 3/98:55 pm
ORD
- SLC
1 stop13h 05m
Frontier
Deal found 2/6![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 2/5. 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.
ons 3/48:00 am
SLC
- STL
1 stop6h 53m
Frontier
tis 3/171:00 pm
STL
- SLC
1 stop7h 29m
Frontier
Deal found 2/5![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 3/108:30 pm
SLC
- ORD
1 stop8h 38m
Frontier
ons 3/119:28 am
ORD
- SLC
2 stops23h 27m
Frontier
Deal found 2/6![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
sön 3/159:14 pm
SLC
- STL
1 stop11h 35m
Frontier
ons 3/188:12 pm
STL
- SLC
1 stop12h 43m
Frontier
Deal found 2/8![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
tors 4/2310:33 pm
SLC
- ORD
1 stop7h 14m
Frontier
mån 5/47:43 am
ORD
- SLC
1 stop12h 34m
Frontier
Deal found 2/8![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 2/5. 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.
fre 3/69:14 pm
SLC
- STL
1 stop11h 35m
Frontier
ons 3/1111:32 am
STL
- SLC
2 stops21h 23m
Frontier
Deal found 2/5![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre 3/611:49 am
SLC
- ORD
1 stop12h 08m
Frontier
mån 3/97:00 am
ORD
- SLC
1 stop27h 22m
Frontier
Deal found 2/6![Frontier logo]()
$176
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 februari 9, 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 februari 9, 2026.
This Frontier deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
fre 4/2410:33 pm
SLC
- ORD
1 stop7h 14m
Frontier
tors 5/79:18 pm
ORD
- SLC
1 stop12h 34m
Frontier
Deal found 2/8![Frontier logo]()
$190
This United Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 3/511:20 am
SGU
- ORD
1 stop8h 03m
United Airlines
sön 3/87:00 am
ORD
- SGU
1 stop10h 06m
United Airlines
Deal found 2/7![United Airlines logo]()
$258
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
ons 4/88:30 pm
SLC
- MLI
1 stop13h 59m
Multiple Airlines
sön 4/1212:19 pm
MLI
- SLC
1 stop23h 15m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$265
This American Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 5/125:06 pm
SLC
- MLI
1 stop5h 48m
American Airlines
tis 5/196:40 pm
MLI
- SLC
1 stop7h 17m
American Airlines
Deal found 2/6![American Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
lör 4/257:51 am
SLC
- ORD
1 stop15h 07m
Delta
lör 5/22:09 pm
ORD
- SLC
Nonstop3h 31m
Delta
Deal found 2/8![Delta logo]()
$274
This Alaska Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
lör 4/253:37 pm
SLC
- ORD
1 stop7h 22m
Alaska Airlines
mån 5/43:52 pm
ORD
- SLC
1 stop8h 16m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$315
This Southwest deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre 4/247:15 am
SLC
- MDW
Nonstop3h 00m
Southwest
tis 4/2810:00 am
MDW
- SLC
Nonstop3h 30m
Southwest
Deal found 2/7![Southwest logo]()
$347
This CheapOair deal was found by Cheapflights users on 2/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 2/248:01 pm
SLC
- STL
1 stop18h 52m
Frontier
tors 2/2610:11 pm
STL
- SLC
1 stop11h 19m
Frontier
Deal found 2/6![Frontier logo]()
$191
This CheapOair deal was found by Cheapflights users on 2/6. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mån 3/2310:10 am
SLC
- STL
1 stop24h 09m
Frontier
mån 4/138:16 pm
STL
- SLC
1 stop15h 58m
Frontier
Deal found 2/6![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
lör 3/144:07 pm
SLC
- STL
1 stop28h 55m
Frontier
ons 3/188:12 pm
STL
- SLC
1 stop12h 43m
Frontier
Deal found 2/8![Frontier logo]()
$221
This United Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 5/1212:55 pm
SLC
- MLI
1 stop7h 01m
United Airlines
tis 5/193:47 pm
MLI
- SLC
1 stop7h 58m
United Airlines
Deal found 2/6![United Airlines logo]()
$271
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
lör 4/185:10 pm
SLC
- ORD
Nonstop3h 08m
Delta
ons 4/297:20 am
ORD
- SLC
Nonstop3h 42m
Delta
Deal found 2/8![Delta logo]()
$283
This American Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
tors 2/265:26 am
SLC
- BMI
1 stop8h 00m
American Airlines
lör 2/283:45 pm
BMI
- SLC
1 stop6h 19m
American Airlines
Deal found 2/8![American Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
lör 4/255:10 pm
SLC
- ORD
Nonstop3h 08m
Delta
ons 5/67:12 pm
ORD
- SLC
Nonstop3h 33m
Delta
Deal found 2/8![Delta logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
sön 3/1510:33 pm
SLC
- STL
2 stops10h 16m
Frontier
ons 3/188:12 pm
STL
- SLC
1 stop15h 42m
Frontier
Deal found 2/8![Frontier logo]()
$241
This United Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre 4/104:18 pm
SLC
- MLI
1 stop6h 39m
United Airlines
mån 4/133:20 pm
MLI
- SLC
1 stop8h 45m
United Airlines
Deal found 2/6![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
lör 5/27:45 am
SLC
- ORD
Nonstop3h 06m
Delta
tis 5/127:45 am
ORD
- SLC
Nonstop3h 27m
Delta
Deal found 2/8![Delta logo]()
$283
This Southwest deal was found by Cheapflights users on 2/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lör 4/42:50 pm
SLC
- MDW
1 stop8h 20m
Southwest
ons 4/89:00 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 2/6![Southwest logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
fre 3/1312:42 pm
SLC
- STL
2 stops24h 09m
Alaska Airlines
mån 3/234:20 pm
STL
- SLC
1 stop8h 39m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
fre 4/104:18 pm
SLC
- MLI
1 stop6h 39m
United Airlines
ons 4/153:20 pm
MLI
- SLC
1 stop8h 45m
United Airlines
Deal found 2/8![United Airlines logo]()
$299
This American Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sön 3/155:14 pm
SLC
- MLI
1 stop5h 23m
American Airlines
sön 3/223:31 pm
MLI
- SLC
1 stop6h 23m
American Airlines
Deal found 2/6![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
lör 4/257:45 am
SLC
- ORD
Nonstop3h 06m
Delta
tis 5/52:09 pm
ORD
- SLC
Nonstop3h 31m
Delta
Deal found 2/8![Delta logo]()
$283
This Frontier deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
mån 2/232:12 pm
SLC
- STL
1 stop6h 01m
Frontier
fre 2/271:59 pm
STL
- SLC
1 stop11h 15m
Frontier
Deal found 2/8![Frontier logo]()
$261
This Southwest deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
ons 3/186:20 am
SLC
- MDW
1 stop6h 05m
Southwest
fre 3/209:25 pm
MDW
- SLC
Nonstop3h 30m
Southwest
Deal found 2/8![Southwest logo]()
$357
This Delta deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
lör 5/25:10 pm
SLC
- ORD
Nonstop3h 08m
Delta
ons 5/132:11 pm
ORD
- SLC
Nonstop3h 29m
Delta
Deal found 2/8![Delta logo]()
$283
This United Airlines deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lör 2/215:13 am
SGU
- ORD
1 stop5h 06m
United Airlines
ons 2/259:00 am
ORD
- SGU
1 stop8h 06m
United Airlines
Deal found 2/6![United Airlines logo]()
$318
This CheapOair deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sön 2/228:52 pm
SLC
- STL
1 stop23h 21m
Frontier
tors 2/2610:11 pm
STL
- SLC
1 stop11h 19m
Frontier
Deal found 2/7![Frontier logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sön 3/1510:33 pm
SLC
- PIA
1 stop12h 21m
Multiple Airlines
sön 3/2212:17 pm
PIA
- SLC
1 stop21h 55m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$452
This American Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons 2/256:37 am
SLC
- BMI
1 stop7h 38m
American Airlines
sön 3/12:56 pm
BMI
- SLC
1 stop6h 01m
American Airlines
Deal found 2/7![American Airlines logo]()
$374
This Southwest deal was found by Cheapflights users on 2/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mån 3/94:20 pm
SLC
- MDW
1 stop5h 30m
Southwest
ons 3/118:40 pm
MDW
- SLC
Nonstop3h 30m
Southwest
Deal found 2/6![Southwest logo]()
$387
Last-minute flights from Utah to IllinoisDiscover last-minute flight deals from Utah to Illinois. Data last updated februari 9, 2026 and is based on user searches.
Discover last-minute flight deals from Utah to Illinois. Data last updated februari 9, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 2/248:01 pm
SLC
- STL
1 stop18h 52m
Frontier
lör 2/282:51 pm
STL
- SLC
1 stop18h 53m
Frontier
Deal found 2/7![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 3/34:40 pm
SLC
- ORD
1 stop23h 23m
Frontier
mån 3/98:55 pm
ORD
- SLC
1 stop13h 05m
Frontier
Deal found 2/6![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ons 3/48:00 am
SLC
- STL
1 stop6h 53m
Frontier
lör 3/78:12 pm
STL
- SLC
1 stop11h 43m
Frontier
Deal found 2/6![Frontier logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 2/5. 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.
ons 3/48:00 am
SLC
- STL
1 stop6h 53m
Frontier
tis 3/171:00 pm
STL
- SLC
1 stop7h 29m
Frontier
Deal found 2/5![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 2/5. 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.
ons 3/48:00 am
SLC
- STL
1 stop6h 53m
Frontier
ons 3/1111:32 am
STL
- SLC
2 stops21h 23m
Frontier
Deal found 2/5![Frontier logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 2/5. 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.
fre 3/69:14 pm
SLC
- STL
1 stop11h 35m
Frontier
mån 3/168:12 pm
STL
- SLC
1 stop12h 43m
Frontier
Deal found 2/5![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 2/5. 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.
fre 3/69:14 pm
SLC
- STL
1 stop11h 35m
Frontier
ons 3/1111:32 am
STL
- SLC
2 stops21h 23m
Frontier
Deal found 2/5![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre 3/611:49 am
SLC
- ORD
1 stop12h 08m
Frontier
mån 3/97:00 am
ORD
- SLC
1 stop27h 22m
Frontier
Deal found 2/6![Frontier logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 3/108:30 pm
SLC
- ORD
1 stop8h 38m
Frontier
ons 3/119:28 am
ORD
- SLC
2 stops23h 27m
Frontier
Deal found 2/6![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
sön 3/159:14 pm
SLC
- STL
1 stop11h 35m
Frontier
ons 3/188:12 pm
STL
- SLC
1 stop12h 43m
Frontier
Deal found 2/8![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre 3/209:14 pm
SLC
- ORD
1 stop26h 24m
Frontier
ons 3/2512:35 pm
ORD
- SLC
1 stop7h 54m
Frontier
Deal found 2/6![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mån 3/239:57 am
SLC
- ORD
1 stop13h 02m
Frontier
sön 3/298:55 pm
ORD
- SLC
1 stop13h 20m
Frontier
Deal found 2/7![Frontier logo]()
$177
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 februari 9, 2026.
Search for one-way flight options from Utah to Illinois. Find affordable one-way fares based on user searches. Data last updated februari 9, 2026.
This Trip.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
tis 3/109:14 pm
SLC
- STL
1 stop11h 35m
Frontier
Deal found 2/8![Frontier logo]()
$54
This Trip.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
lör 5/28:00 am
SLC
- STL
1 stop10h 12m
Frontier
Deal found 2/8![Frontier logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lör 4/188:00 am
SLC
- STL
1 stop10h 12m
Frontier
Deal found 2/6![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
fre 4/179:59 pm
SLC
- STL
1 stop20h 13m
Frontier
Deal found 2/8![Frontier logo]()
$66
This Trip.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
tis 3/319:14 pm
SLC
- STL
1 stop11h 34m
Frontier
Deal found 2/8![Frontier logo]()
$70
This Trip.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 3/249:14 pm
SLC
- STL
1 stop11h 35m
Frontier
Deal found 2/7![Frontier logo]()
$71
This Mytrip deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mån 3/26:24 am
SLC
- STL
1 stop5h 45m
Frontier
Deal found 2/8![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
fre 3/69:14 pm
SLC
- STL
1 stop11h 35m
Frontier
Deal found 2/6![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
tis 3/179:14 pm
SLC
- STL
1 stop11h 35m
Frontier
Deal found 2/8![Frontier logo]()
$77
This American Airlines deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 4/74:38 pm
SGU
- ORD
1 stop6h 54m
American Airlines
Deal found 2/7![American Airlines logo]()
$103
This American Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
lör 3/145:14 pm
SLC
- ORD
Nonstop3h 24m
American Airlines
Deal found 2/8![American Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” 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.
lör 5/93:19 pm
SLC
- MDW
2 stops22h 30m
Frontier
Deal found 2/8![Frontier logo]()
$130
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 februari 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $165 (CheapOair) |
One-way from | $54 (Trip.com) |
Popular in | January |
Cheapest in | September |
Average price | $462 |
Good round-trip deal | $415 or less |
Good one-way deal | $236 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 februari 9, 2026.
Use the filters below to find and compare flights from Utah to Illinois that are best for you.
Fly from
Utah
Fly to
Illinois
Route
Depart
Return
Price
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
fre 4/24
10:33 pm-6:47 am
1 stop7h 14m
Chicago O'Hare Intl
tors 5/7
9:18 pm-8:52 am
1 stop12h 34m
$190
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
tis 2/24
8:01 pm-3:53 pm
1 stop18h 52m
Lambert-St Louis
tors 2/26
10:11 pm-8:30 am
1 stop11h 19m
$191
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
mån 3/23
10:10 am-11:19 am
1 stop24h 09m
Lambert-St Louis
mån 4/13
8:16 pm-11:14 am
1 stop15h 58m
$210
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
lör 3/14
4:07 pm-10:02 pm
1 stop28h 55m
Lambert-St Louis
ons 3/18
8:12 pm-7:55 am
1 stop12h 43m
$221
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
sön 3/15
10:33 pm-9:49 am
2 stops10h 16m
Lambert-St Louis
ons 3/18
8:12 pm-10:54 am
1 stop15h 42m
$241
Saint GeorgeChicago
SGU - ORD
SGUORD
Saint George
tors 3/5
11:20 am-8:23 pm
1 stop8h 03m
Chicago O'Hare Intl
sön 3/8
7:00 am-4:06 pm
1 stop10h 06m
$258
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
mån 2/23
2:12 pm-9:13 pm
1 stop6h 01m
Lambert-St Louis
fre 2/27
1:59 pm-12:14 am
1 stop11h 15m
$261
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
ons 4/8
8:30 pm-11:29 am
1 stop13h 59m
Moline Quad-City
sön 4/12
12:19 pm-10:34 am
1 stop23h 15m
$265
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
tis 5/12
5:06 pm-11:54 pm
1 stop5h 48m
Moline Quad-City
tis 5/19
6:40 pm-12:57 am
1 stop7h 17m
$271
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
tis 5/12
12:55 pm-8:56 pm
1 stop7h 01m
Moline Quad-City
tis 5/19
3:47 pm-10:45 pm
1 stop7h 58m
$271
Showing 1-10 of 60 results
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
SGU-ORD
SLC-MDW
SLC-MLI
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Utah to Illinois
USUT-USIL
SLC-STL
SLC-ORD
SGU-ORD
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 $79). 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 februari 9, 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 56% 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 February 7, 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 februari 9, 2026.
The most flights from USUT to USIL are scheduled on a Sunday (29 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).
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 februari 9, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United 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
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Food
7.0
Boarding
8.1
Entertainment
7.5
Overall
8.0
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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 februari 9, 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 februari 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$65 | Average$221 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$75 | Average$200 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$90 | Average$180 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$168 | Average$428 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$204 | Average$436 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$227 | Average$487 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$290 | Average$471 | FlexibilityNo cancel fee | On-time63% |