$71+ Cheap flights from Illinois to Salt Lake City (SLC)
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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SLC
Sep 1 — Sep 81
Round-trip
1 adult, Economy
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Cheapest flights from Illinois to Salt Lake CityExplore the most affordable flight options available from Illinois to Salt Lake City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.
Explore the most affordable flight options available from Illinois to Salt Lake City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/168:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Tue 9/224:16 pm
SLC
- STL
1 stop26h 01m
Frontier
Deal found 7/29![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/131:02 pm
STL
- SLC
1 stop22h 39m
Frontier
Wed 9/2311:40 am
SLC
- STL
1 stop6h 37m
Frontier
Deal found 7/31![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 10/88:10 pm
STL
- SLC
1 stop12h 53m
Frontier
Mon 10/129:28 pm
SLC
- STL
1 stop20h 47m
Frontier
Deal found 7/31![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/268:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Wed 9/308:00 am
SLC
- STL
1 stop10h 17m
Frontier
Deal found 7/31![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/98:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Sat 9/124:16 pm
SLC
- STL
1 stop18h 51m
Frontier
Deal found 7/29![Frontier logo]()
$159
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/98:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Mon 9/1411:40 am
SLC
- STL
1 stop6h 37m
Frontier
Deal found 7/29![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:10 pm
STL
- SLC
1 stop20h 11m
Frontier
Wed 9/238:00 am
SLC
- STL
1 stop10h 17m
Frontier
Deal found 8/2![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/218:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Fri 9/2511:40 am
SLC
- STL
1 stop6h 37m
Frontier
Deal found 7/30![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Tue 9/87:08 pm
SLC
- STL
1 stop23h 09m
Frontier
Deal found 7/29![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 10/225:24 pm
PIA
- SLC
1 stop8h 00m
Multiple Airlines
Wed 10/289:28 pm
SLC
- PIA
1 stop14h 51m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$246
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/126:00 am
MLI
- SLC
1 stop5h 56m
American Airlines
Sat 9/194:43 pm
SLC
- MLI
1 stop5h 35m
American Airlines
Deal found 7/30![American Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:41 pm
ORD
- SLC
1 stop17h 50m
Frontier
Sat 8/226:05 am
SLC
- ORD
1 stop6h 31m
Frontier
Deal found 7/30![Frontier logo]()
$275
Best flights from Illinois to Salt Lake CityDiscover carefully curated flight deals from Illinois to Salt Lake City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
Discover carefully curated flight deals from Illinois to Salt Lake City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/117:36 pm
STL
- SLC
1 stop17h 45m
Alaska Airlines
Tue 9/152:34 pm
SLC
- STL
2 stops25h 36m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$303
This United Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:41 am
PIA
- SLC
2 stops9h 49m
United Airlines
Sat 8/291:08 pm
SLC
- PIA
1 stop6h 42m
United Airlines
Deal found 7/31![United Airlines logo]()
$334
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:45 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Sat 9/510:00 am
SLC
- MDW
Nonstop3h 05m
Southwest
Deal found 7/29![Southwest logo]()
$337
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/284:24 pm
BMI
- SLC
1 stop8h 23m
Delta
Sun 8/303:34 pm
SLC
- BMI
1 stop6h 42m
Delta
Deal found 8/1![Delta logo]()
$339
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/284:49 pm
BMI
- SLC
1 stop6h 26m
American Airlines
Sun 8/305:05 pm
SLC
- BMI
1 stop5h 54m
American Airlines
Deal found 7/30![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:21 pm
ORD
- SLC
Nonstop3h 38m
United Airlines
Wed 9/94:17 pm
SLC
- ORD
Nonstop3h 23m
United Airlines
Deal found 7/29![United Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 11/122:32 pm
BMI
- SLC
2 stops11h 02m
American Airlines
Mon 11/165:30 pm
SLC
- BMI
1 stop5h 29m
American Airlines
Deal found 7/30![American Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 10/59:20 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Wed 10/144:45 pm
SLC
- MDW
1 stop5h 25m
Southwest
Deal found 7/29![Southwest logo]()
$347
This Delta deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/296:59 am
ORD
- SLC
1 stop8h 07m
Delta
Wed 9/22:05 pm
SLC
- ORD
Nonstop3h 14m
Delta
Deal found 7/30![Delta logo]()
$361
This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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.
Tue 8/186:02 am
STL
- SLC
1 stop10h 02m
Alaska Airlines
Thu 8/273:31 pm
SLC
- STL
1 stop7h 28m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/23:56 pm
ORD
- SLC
1 stop6h 13m
United Airlines
Wed 9/94:17 pm
SLC
- ORD
Nonstop3h 23m
United Airlines
Deal found 7/29![United Airlines logo]()
$343
This American Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:00 am
MLI
- SLC
1 stop7h 39m
American Airlines
Sun 10/45:00 am
SLC
- MLI
1 stop5h 38m
American Airlines
Deal found 8/1![American Airlines logo]()
$350
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/218:35 pm
MDW
- SLC
Nonstop3h 30m
Southwest
Thu 9/242:35 pm
SLC
- MDW
2 stops8h 15m
Southwest
Deal found 7/30![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 10/1512:50 pm
ORD
- SLC
1 stop9h 14m
Delta
Tue 10/207:45 am
SLC
- ORD
Nonstop3h 10m
Delta
Deal found 7/31![Delta logo]()
$375
This American Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 8/286:00 am
PIA
- SLC
2 stops10h 41m
American Airlines
Fri 9/42:00 pm
SLC
- PIA
1 stop8h 19m
American Airlines
Deal found 7/31![American Airlines logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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.
Wed 9/308:00 am
ORD
- SLC
2 stops11h 56m
Alaska Airlines
Tue 10/62:15 pm
SLC
- ORD
1 stop22h 10m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/65:42 pm
MLI
- SLC
1 stop5h 39m
United Airlines
Sat 1/92:45 pm
SLC
- MLI
1 stop5h 18m
United Airlines
Deal found 8/1![United Airlines logo]()
$361
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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.
Sun 9/66:30 am
STL
- SLC
2 stops8h 05m
Southwest
Sat 9/1211:00 am
SLC
- STL
2 stops8h 40m
Southwest
Deal found 7/28![Southwest logo]()
$381
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 10/225:30 pm
PIA
- SLC
1 stop7h 29m
American Airlines
Wed 10/281:32 pm
SLC
- PIA
2 stops9h 38m
American Airlines
Deal found 7/30![American Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 10/87:15 pm
ORD
- SLC
Nonstop3h 43m
Delta
Sun 10/115:50 pm
SLC
- ORD
Nonstop3h 10m
Delta
Deal found 7/28![Delta logo]()
$411
This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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.
Wed 9/168:00 am
ORD
- SLC
2 stops11h 56m
Alaska Airlines
Sun 9/207:06 am
SLC
- ORD
1 stop11h 15m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/145:40 am
MDW
- SLC
1 stop7h 00m
Southwest
Mon 9/212:35 pm
SLC
- MDW
2 stops8h 15m
Southwest
Deal found 7/31![Southwest logo]()
$390
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 11/36:30 am
MLI
- SLC
2 stops11h 49m
United Airlines
Sat 11/72:36 pm
SLC
- MLI
2 stops7h 23m
United Airlines
Deal found 7/28![United Airlines logo]()
$391
This American Airlines deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:00 am
BMI
- SLC
1 stop6h 58m
American Airlines
Sun 11/14:45 pm
SLC
- BMI
1 stop5h 32m
American Airlines
Deal found 8/1![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:35 am
ORD
- SLC
Nonstop3h 40m
Delta
Tue 10/278:02 am
SLC
- ORD
1 stop5h 34m
Delta
Deal found 8/2![Delta logo]()
$416
This Alaska Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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.
Wed 10/147:00 am
ORD
- SLC
2 stops12h 59m
Alaska Airlines
Mon 10/193:02 pm
SLC
- ORD
1 stop7h 57m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$420
This Southwest deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” 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 9/262:05 pm
STL
- SLC
2 stops8h 05m
Southwest
Fri 10/303:10 pm
SLC
- STL
1 stop7h 45m
Southwest
Deal found 7/31![Southwest logo]()
$393
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:35 pm
PIA
- SLC
1 stop8h 24m
United Airlines
Mon 8/174:15 pm
SLC
- PIA
1 stop5h 28m
United Airlines
Deal found 7/29![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:15 pm
ORD
- SLC
Nonstop3h 43m
Delta
Sun 10/183:34 pm
SLC
- ORD
1 stop7h 00m
Delta
Deal found 8/1![Delta logo]()
$430
This Alaska Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/273:04 pm
STL
- SLC
1 stop8h 36m
Alaska Airlines
Sat 8/298:44 am
SLC
- STL
1 stop7h 26m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$433
Last-minute flights from Illinois to Salt Lake CityDiscover last-minute flight deals from Illinois to Salt Lake City. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Salt Lake City. Data last updated August 2, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Wed 8/267:08 pm
SLC
- STL
1 stop23h 05m
Frontier
Deal found 7/28![Frontier logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Thu 8/276:05 am
SLC
- STL
1 stop12h 08m
Frontier
Deal found 7/28![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:41 pm
ORD
- SLC
1 stop17h 50m
Frontier
Sat 8/226:05 am
SLC
- ORD
1 stop6h 31m
Frontier
Deal found 7/30![Frontier logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:11 pm
ORD
- SLC
1 stop14h 15m
Frontier
Wed 9/26:05 am
SLC
- ORD
1 stop6h 31m
Frontier
Deal found 7/30![Frontier logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/247:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Thu 10/159:28 pm
SLC
- STL
1 stop20h 47m
Frontier
Deal found 7/30![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/247:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Wed 10/149:28 pm
SLC
- STL
1 stop20h 47m
Frontier
Deal found 7/30![Frontier logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/247:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Wed 11/49:28 pm
SLC
- STL
1 stop20h 47m
Frontier
Deal found 7/30![Frontier logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/247:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Tue 11/39:28 pm
SLC
- STL
2 stops35h 12m
Frontier
Deal found 7/30![Frontier logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 8/247:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Thu 8/276:05 am
SLC
- STL
1 stop12h 08m
Frontier
Deal found 7/28![Frontier logo]()
$225
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Thu 9/36:05 am
SLC
- STL
2 stops9h 26m
Frontier
Deal found 7/30![Frontier logo]()
$226
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/297:33 am
MLI
- SLC
1 stop6h 40m
American Airlines
Sat 9/55:05 pm
SLC
- MLI
1 stop6h 03m
American Airlines
Deal found 7/30![American Airlines logo]()
$271
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 8/299:05 am
MLI
- SLC
2 stops9h 02m
United Airlines
Sat 9/58:10 am
SLC
- MLI
1 stop6h 44m
United Airlines
Deal found 7/30![United Airlines logo]()
$276
One-way flights from Illinois to Salt Lake CitySearch for one-way flight options from Illinois to Salt Lake City. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
Search for one-way flight options from Illinois to Salt Lake City. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/238:10 pm
STL
- SLC
1 stop20h 11m
Frontier
Deal found 7/30![Frontier logo]()
$71
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/168:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Deal found 7/30![Frontier logo]()
$72
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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 9/98:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Deal found 7/29![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 10/138:10 pm
STL
- SLC
1 stop12h 53m
Frontier
Deal found 7/28![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/308:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Deal found 7/28![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:10 pm
STL
- SLC
1 stop12h 53m
Frontier
Deal found 7/31![Frontier logo]()
$82
This Trip.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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.
Sun 9/208:10 pm
STL
- SLC
1 stop20h 11m
Frontier
Deal found 7/29![Frontier logo]()
$83
This Trip.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” 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.
Fri 10/238:10 pm
STL
- SLC
1 stop12h 53m
Frontier
Deal found 7/29![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/131:02 pm
STL
- SLC
1 stop27h 19m
Frontier
Deal found 8/1![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” 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 9/268:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Deal found 7/30![Frontier logo]()
$88
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” 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 9/94:57 pm
MLI
- SLC
1 stop6h 02m
American Airlines
Deal found 7/28![American Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:07 am
PIA
- SLC
1 stop22h 24m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$137
Find flight deals from Illinois to Salt Lake City
Keep the following information in mind while searching for Illinois to Salt Lake City flight deals. Data was last updated August 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $140 (Kiwi.com) |
One-way from | $71 (Kiwi.com) |
Popular in | July |
Cheapest in | October |
Average price | $411 |
Good round-trip deal | $354 or less |
Good one-way deal | $202 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Salt Lake City 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 August 2, 2026.
Use the filters below to find and compare flights from Illinois to Salt Lake City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisSalt Lake City
STL - SLC
STLSLC
Lambert-St Louis
Fri 9/11
7:36 pm-12:21 pm
1 stop17h 45m
Salt Lake City
Tue 9/15
2:34 pm-5:10 pm
2 stops25h 36m
$303
PeoriaSalt Lake City
PIA - SLC
PIASLC
Greater Peoria
Wed 8/26
10:41 am-7:30 pm
2 stops9h 49m
Salt Lake City
Sat 8/29
1:08 pm-8:50 pm
1 stop6h 42m
$334
Quickest round-trip
ChicagoSalt Lake City
MDW - SLC
MDWSLC
Chicago Midway
Tue 9/1
8:45 pm-11:10 pm
Nonstop3h 25m
Salt Lake City
Sat 9/5
10:00 am-2:05 pm
Nonstop3h 05m
$337
ChicagoSalt Lake City
ORD - SLC
ORDSLC
Chicago O'Hare Intl
Mon 9/7
8:21 pm-10:59 pm
Nonstop3h 38m
Salt Lake City
Wed 9/9
4:17 pm-8:40 pm
Nonstop3h 23m
$337
BloomingtonSalt Lake City
BMI - SLC
BMISLC
Bloomington-Normal
Fri 8/28
4:24 pm-11:47 pm
1 stop8h 23m
Salt Lake City
Sun 8/30
3:34 pm-11:16 pm
1 stop6h 42m
$339
BloomingtonSalt Lake City
BMI - SLC
BMISLC
Bloomington-Normal
Fri 8/28
4:49 pm-10:15 pm
1 stop6h 26m
Salt Lake City
Sun 8/30
5:05 pm-11:59 pm
1 stop5h 54m
$339
ChicagoSalt Lake City
ORD - SLC
ORDSLC
Chicago O'Hare Intl
Wed 9/2
3:56 pm-9:09 pm
1 stop6h 13m
Salt Lake City
Wed 9/9
4:17 pm-8:40 pm
Nonstop3h 23m
$343
BloomingtonSalt Lake City
BMI - SLC
BMISLC
Bloomington-Normal
Thu 11/12
2:32 pm-12:34 am
2 stops11h 02m
Salt Lake City
Mon 11/16
5:30 pm-11:59 pm
1 stop5h 29m
$344
ChicagoSalt Lake City
MDW - SLC
MDWSLC
Chicago Midway
Mon 10/5
9:20 pm-11:45 pm
Nonstop3h 25m
Salt Lake City
Wed 10/14
4:45 pm-11:10 pm
1 stop5h 25m
$347
MolineSalt Lake City
MLI - SLC
MLISLC
Moline Quad-City
Tue 9/29
6:00 am-12:39 pm
1 stop7h 39m
Salt Lake City
Sun 10/4
5:00 am-11:38 am
1 stop5h 38m
$350
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Salt Lake City
Have a flexible travel schedule? Discover the best time to fly to Salt Lake City from Illinois with our price prediction graph.
STL-SLC
PIA-SLC
MLI-SLC
ORD-SLC
MDW-SLC
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 Illinois to Salt Lake City
USIL-SLC
STL-SLC
PIA-SLC
MLI-SLC
ORD-SLC
What is the cheapest month to book a flight from Illinois to Salt Lake City?
Currently, September is the cheapest month in which you can book a flight from Illinois to Salt Lake City (average of $373). Flying from Illinois to Salt Lake City in March is currently the most expensive (average of $483). 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 IL to SLC?
Find hourly flight availability from Illinois to Salt Lake City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 2, 2026.
Unlike at noon, when flights are generally more expensive, you can save up to 23% on flights from Illinois to Salt Lake City by exploring options for tickets in the evening.
Weekly flight availability from Illinois to Salt Lake City
Explore weekly flight availability from Illinois to Salt Lake City. 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 August 2, 2026.
The most flights from USIL to SLC are scheduled on a Friday (34 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from Illinois to Salt Lake City?
Airfare is below average for this route at the moment.
Illinois to Salt Lake City flights typically cost between $358 and $542 in August.The cheapest round-trip price found within the last 5 days was $275 on Frontier (Aug 20-Aug 22).
How far ahead should I book a flight from Illinois to Salt Lake City?
To ensure you get the cheapest price possible for a flight from Illinois to Salt Lake City, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest day to fly from Illinois to Salt Lake City?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Salt Lake City. Price data was last updated on July 25, 2026.
Travelers seeking maximum savings on their Illinois to Salt Lake City flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Salt Lake City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Salt Lake City?
Book flights to Salt Lake City if you plan to visit one of these locationsLehi
Farmington
West Valley City
Bountiful
Midvale
Draper
South Jordan
Layton
Alta
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Illinois and Salt Lake City flights
Browse other Illinois and Salt Lake City flight options. Last updated on August 2, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Other flights to Salt Lake City
Explore flights to Salt Lake City departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 2, 2026.
Illinois to Salt Lake City flights
Consider these flights traveling from Illinois to Salt Lake City.
Top 5 airlines flying from Illinois to Salt Lake City
Discover the top 5 airlines that operate flights from Illinois to Salt Lake City. 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 August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$143 | Average$249 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$178 | Average$463 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$275 | Average$483 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$288 | Average$448 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$346 | Average$487 | FlexibilityNo cancel fee | On-time63% |