$68+ Cheap flights from Salt Lake City (SLC) to Illinois
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ORD
Aug 30 — Sep 61
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Salt Lake City to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Salt Lake City to Illinois
Cheapest
Best
Last-minute
One-way
Cheapest flights from Salt Lake City to IllinoisExplore the most affordable flight options available from Salt Lake City to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2026.
Explore the most affordable flight options available from Salt Lake City to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2026.
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 9/2311:40 am
SLC
- STL
1 stop6h 37m
Frontier
Wed 9/308:10 pm
STL
- SLC
1 stop20h 11m
Frontier
Deal found 7/31![Frontier logo]()
$152
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.
Fri 9/2511:40 am
SLC
- STL
1 stop6h 37m
Frontier
Wed 9/308:10 pm
STL
- SLC
1 stop20h 11m
Frontier
Deal found 7/30![Frontier logo]()
$155
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 9/1611:40 am
SLC
- STL
1 stop6h 37m
Frontier
Mon 9/218:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Deal found 7/30![Frontier logo]()
$156
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 9/36:05 am
SLC
- STL
1 stop12h 08m
Frontier
Wed 9/98:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Deal found 7/30![Frontier logo]()
$159
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 9/2611:40 am
SLC
- STL
1 stop6h 37m
Frontier
Wed 9/308:10 pm
STL
- SLC
1 stop20h 11m
Frontier
Deal found 7/30![Frontier logo]()
$160
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.
Tue 9/87:08 pm
SLC
- STL
1 stop23h 09m
Frontier
Fri 9/118:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Deal found 7/29![Frontier logo]()
$167
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 10/14:16 pm
SLC
- STL
1 stop26h 01m
Frontier
Thu 10/88:10 pm
STL
- SLC
1 stop12h 53m
Frontier
Deal found 7/31![Frontier logo]()
$168
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.
Tue 10/137:25 am
SLC
- STL
1 stop10h 50m
Frontier
Sun 10/188:10 pm
STL
- SLC
1 stop12h 53m
Frontier
Deal found 7/30![Frontier logo]()
$170
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.
Fri 9/2511:40 am
SLC
- STL
1 stop6h 37m
Frontier
Mon 9/288:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Deal found 7/30![Frontier logo]()
$171
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 9/2311:40 am
SLC
- STL
1 stop6h 37m
Frontier
Sat 9/268:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Deal found 7/28![Frontier logo]()
$172
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 9/268:00 am
SLC
- STL
1 stop10h 17m
Frontier
Mon 9/288:10 pm
STL
- SLC
1 stop15h 31m
Frontier
Deal found 7/30![Frontier logo]()
$176
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.
Mon 9/1411:40 am
SLC
- STL
1 stop6h 37m
Frontier
Mon 9/218:10 pm
STL
- SLC
1 stop20h 11m
Frontier
Deal found 7/31![Frontier logo]()
$177
Best flights from Salt Lake City to IllinoisDiscover carefully curated flight deals from Salt Lake City to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2026.
Discover carefully curated flight deals from Salt Lake City to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2026.
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:00 pm
SLC
- MDW
Nonstop3h 00m
Southwest
Thu 9/108:35 pm
MDW
- SLC
Nonstop3h 30m
Southwest
Deal found 7/26![Southwest logo]()
$285
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:42 pm
SLC
- ORD
Nonstop3h 18m
United Airlines
Thu 9/105:00 am
ORD
- SLC
1 stop5h 34m
United Airlines
Deal found 7/26![United Airlines logo]()
$295
This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 am
SLC
- MLI
1 stop8h 03m
American Airlines
Fri 9/186:00 am
MLI
- SLC
1 stop5h 56m
American Airlines
Deal found 7/27![American Airlines logo]()
$299
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 9/237:00 am
SLC
- STL
1 stop10h 38m
Alaska Airlines
Sat 9/266:29 am
STL
- SLC
2 stops13h 27m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$310
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 10/245:50 pm
SLC
- ORD
Nonstop3h 10m
Delta
Sat 10/317:35 am
ORD
- SLC
Nonstop3h 40m
Delta
Deal found 7/30![Delta logo]()
$337
This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:05 pm
SLC
- MLI
1 stop6h 03m
American Airlines
Tue 9/84:32 pm
MLI
- SLC
1 stop8h 09m
American Airlines
Deal found 7/27![American Airlines logo]()
$299
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.
Wed 9/234:54 pm
SLC
- MLI
1 stop6h 11m
American Airlines
Sun 9/274:57 pm
MLI
- SLC
1 stop6h 02m
American Airlines
Deal found 7/30![American Airlines logo]()
$299
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.
Sat 8/297:50 am
SLC
- ORD
Nonstop3h 09m
Delta
Mon 8/317:44 pm
ORD
- SLC
Nonstop3h 31m
Delta
Deal found 7/28![Delta logo]()
$337
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.
Thu 8/274:15 pm
SLC
- ORD
Nonstop3h 23m
United Airlines
Sat 8/298:50 am
ORD
- SLC
Nonstop3h 42m
United Airlines
Deal found 7/28![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:20 pm
SLC
- MDW
Nonstop3h 00m
Southwest
Mon 8/248:35 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 7/27![Southwest logo]()
$342
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.
Fri 9/116:26 pm
SLC
- STL
2 stops21h 44m
Alaska Airlines
Mon 9/216:08 pm
STL
- SLC
1 stop20h 49m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$375
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/174:15 pm
SLC
- ORD
Nonstop3h 23m
United Airlines
Thu 8/203:56 pm
ORD
- SLC
1 stop6h 06m
United Airlines
Deal found 7/26![United Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:10 pm
SLC
- MDW
1 stop8h 00m
Southwest
Sat 10/175:50 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 7/26![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 10/173:34 pm
SLC
- ORD
1 stop7h 20m
Delta
Sat 10/244:30 pm
ORD
- SLC
Nonstop3h 42m
Delta
Deal found 7/30![Delta logo]()
$361
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 11/195:23 pm
SLC
- PIA
1 stop5h 44m
American Airlines
Wed 12/25:30 pm
PIA
- SLC
1 stop7h 29m
American Airlines
Deal found 7/30![American Airlines logo]()
$329
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.
Tue 9/227:06 am
SLC
- ORD
1 stop11h 15m
Alaska Airlines
Tue 9/296:00 am
ORD
- SLC
2 stops13h 56m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$378
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.
Wed 9/237:00 am
SLC
- MDW
2 stops9h 10m
Southwest
Mon 9/288:35 pm
MDW
- SLC
Nonstop3h 30m
Southwest
Deal found 7/28![Southwest logo]()
$352
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.
Thu 10/295:30 pm
SLC
- MDW
1 stop6h 40m
Southwest
Mon 11/25:20 am
MDW
- SLC
1 stop5h 50m
Southwest
Deal found 7/30![Southwest logo]()
$352
This United Airlines deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:35 pm
SLC
- MLI
1 stop7h 47m
United Airlines
Wed 11/46:30 am
MLI
- SLC
1 stop6h 07m
United Airlines
Deal found 7/26![United Airlines logo]()
$389
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.
Wed 9/97:06 am
SLC
- ORD
2 stops15h 53m
Alaska Airlines
Sat 9/128:00 am
ORD
- SLC
2 stops11h 56m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$393
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:39 am
SLC
- CMI
1 stop5h 31m
American Airlines
Tue 9/222:41 pm
CMI
- SLC
1 stop8h 17m
American Airlines
Deal found 7/29![American Airlines logo]()
$380
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.
Tue 8/258:10 am
SLC
- MLI
1 stop5h 59m
United Airlines
Sat 8/295:09 pm
MLI
- SLC
1 stop6h 50m
United Airlines
Deal found 7/30![United Airlines logo]()
$390
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.
Sat 8/222:10 pm
SLC
- MDW
1 stop7h 05m
Southwest
Mon 8/244:25 pm
MDW
- SLC
1 stop5h 55m
Southwest
Deal found 7/29![Southwest logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:10 pm
SLC
- ORD
1 stop9h 49m
Alaska Airlines
Wed 9/98:00 am
ORD
- SLC
2 stops11h 56m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:50 pm
SLC
- STL
Nonstop2h 54m
Delta
Thu 10/227:00 pm
STL
- SLC
Nonstop3h 17m
Delta
Deal found 7/27![Delta logo]()
$449
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:00 am
SLC
- CMI
1 stop8h 07m
American Airlines
Sat 10/174:05 pm
CMI
- SLC
1 stop8h 54m
American Airlines
Deal found 7/29![American Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1211:00 am
SLC
- MDW
2 stops8h 50m
Southwest
Wed 9/1611:10 am
MDW
- SLC
2 stops7h 30m
Southwest
Deal found 7/27![Southwest logo]()
$367
This Delta deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:40 pm
SLC
- STL
Nonstop2h 51m
Delta
Wed 9/162:25 pm
STL
- SLC
Nonstop3h 13m
Delta
Deal found 7/26![Delta logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:06 am
SLC
- ORD
1 stop11h 15m
Alaska Airlines
Wed 9/308:00 am
ORD
- SLC
2 stops11h 56m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:10 am
SLC
- PIA
1 stop5h 50m
United Airlines
Sat 8/293:35 pm
PIA
- SLC
1 stop8h 24m
United Airlines
Deal found 7/27![United Airlines logo]()
$419
Last-minute flights from Salt Lake City to IllinoisDiscover last-minute flight deals from Salt Lake City to Illinois. Data last updated July 31, 2026 and is based on user searches.
Discover last-minute flight deals from Salt Lake City to Illinois. Data last updated July 31, 2026 and is based on user searches.
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.
Thu 8/206:05 am
SLC
- STL
1 stop12h 08m
Frontier
Mon 8/247:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Deal found 7/29![Frontier logo]()
$195
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 8/206:05 am
SLC
- STL
1 stop12h 08m
Frontier
Mon 8/317:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Deal found 7/28![Frontier logo]()
$198
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 8/207:08 pm
SLC
- ORD
1 stop17h 28m
Frontier
Mon 8/245:46 pm
ORD
- SLC
2 stops25h 37m
Frontier
Deal found 7/28![Frontier logo]()
$281
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 8/226:05 am
SLC
- ORD
1 stop6h 31m
Frontier
Tue 8/252:41 pm
ORD
- SLC
1 stop10h 18m
Frontier
Deal found 7/30![Frontier logo]()
$279
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.
Sun 8/237:08 pm
SLC
- STL
1 stop23h 05m
Frontier
Thu 8/277:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Deal found 7/28![Frontier logo]()
$190
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.
Sun 8/237:08 pm
SLC
- STL
1 stop23h 05m
Frontier
Sun 8/306:17 pm
STL
- SLC
2 stops38h 14m
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.
Mon 8/246:05 am
SLC
- STL
1 stop12h 08m
Frontier
Thu 8/277:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Deal found 7/28![Frontier logo]()
$194
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 8/248:16 am
SLC
- STL
1 stop9h 57m
Frontier
Sun 8/306:17 pm
STL
- SLC
2 stops38h 14m
Frontier
Deal found 7/28![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:20 am
SLC
- ORD
1 stop18h 39m
Frontier
Mon 8/315:46 pm
ORD
- SLC
2 stops38h 45m
Frontier
Deal found 7/27![Frontier logo]()
$278
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:51 pm
SLC
- ORD
1 stop28h 11m
Frontier
Sun 8/309:20 pm
ORD
- SLC
1 stop16h 46m
Frontier
Deal found 7/30![Frontier logo]()
$283
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 8/295:05 pm
SLC
- MLI
1 stop6h 03m
American Airlines
Sat 9/54:32 pm
MLI
- SLC
1 stop8h 09m
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.
Sun 8/307:08 pm
SLC
- STL
1 stop23h 05m
Frontier
Sun 9/67:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Deal found 7/30![Frontier logo]()
$193
One-way flights from Salt Lake City to IllinoisSearch for one-way flight options from Salt Lake City to Illinois. Find affordable one-way fares based on user searches. Data last updated July 31, 2026.
Search for one-way flight options from Salt Lake City to Illinois. Find affordable one-way fares based on user searches. Data last updated July 31, 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.
Tue 10/136:52 pm
SLC
- STL
1 stop23h 23m
Frontier
Deal found 7/29![Frontier logo]()
$68
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.
Tue 9/154:16 pm
SLC
- STL
1 stop26h 01m
Frontier
Deal found 7/30![Frontier logo]()
$71
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.
Wed 9/2311:40 am
SLC
- STL
1 stop6h 37m
Frontier
Deal found 7/29![Frontier logo]()
$72
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.
Tue 9/87:08 pm
SLC
- STL
1 stop23h 09m
Frontier
Deal found 7/30![Frontier logo]()
$74
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.
Mon 10/199:28 pm
SLC
- STL
1 stop20h 47m
Frontier
Deal found 7/29![Frontier logo]()
$75
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:40 am
SLC
- STL
1 stop6h 37m
Frontier
Deal found 7/30![Frontier logo]()
$76
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 10/217:25 am
SLC
- STL
1 stop10h 50m
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.
Tue 10/207:25 am
SLC
- STL
1 stop10h 50m
Frontier
Deal found 7/28![Frontier logo]()
$79
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:40 am
SLC
- STL
1 stop6h 37m
Frontier
Deal found 7/28![Frontier logo]()
$83
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 11/127:25 am
SLC
- STL
1 stop10h 50m
Frontier
Deal found 7/30![Frontier logo]()
$84
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 10/14:16 pm
SLC
- STL
1 stop26h 01m
Frontier
Deal found 7/31![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:25 am
SLC
- MDW
2 stops35h 43m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$154
Find flight deals from Salt Lake City to Illinois
Keep the following information in mind while searching for Salt Lake City to Illinois flight deals. Data was last updated July 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $152 (Kiwi.com) |
One-way from | $68 (Kiwi.com) |
Popular in | June |
Cheapest in | August |
Average price | $464 |
Good round-trip deal | $391 or less |
Good one-way deal | $269 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Salt Lake City to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2026.
Use the filters below to find and compare flights from Salt Lake City to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Salt Lake CityChicago
SLC - MDW
SLCMDW
Salt Lake City
Wed 9/2
1:00 pm-5:00 pm
Nonstop3h 00m
Chicago Midway
Thu 9/10
8:35 pm-11:05 pm
Nonstop3h 30m
$285
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Wed 9/2
12:42 pm-5:00 pm
Nonstop3h 18m
Chicago O'Hare Intl
Thu 9/10
5:00 am-9:34 am
1 stop5h 34m
$295
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Fri 9/11
7:00 am-4:03 pm
1 stop8h 03m
Moline Quad-City
Fri 9/18
6:00 am-10:56 am
1 stop5h 56m
$299
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Thu 9/3
5:05 pm-12:08 am
1 stop6h 03m
Moline Quad-City
Tue 9/8
4:32 pm-11:41 pm
1 stop8h 09m
$299
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Wed 9/23
4:54 pm-12:05 am
1 stop6h 11m
Moline Quad-City
Sun 9/27
4:57 pm-9:59 pm
1 stop6h 02m
$299
Salt Lake CitySt. Louis
SLC - STL
SLCSTL
Salt Lake City
Wed 9/23
7:00 am-6:38 pm
1 stop10h 38m
Lambert-St Louis
Sat 9/26
6:29 am-6:56 pm
2 stops13h 27m
$310
Salt Lake CityPeoria
SLC - PIA
SLCPIA
Salt Lake City
Thu 11/19
5:23 pm-12:07 am
1 stop5h 44m
Greater Peoria
Wed 12/2
5:30 pm-11:59 pm
1 stop7h 29m
$329
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Sat 10/24
5:50 pm-10:00 pm
Nonstop3h 10m
Chicago O'Hare Intl
Sat 10/31
7:35 am-10:15 am
Nonstop3h 40m
$337
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Sat 8/29
7:50 am-11:59 am
Nonstop3h 09m
Chicago O'Hare Intl
Mon 8/31
7:44 pm-10:15 pm
Nonstop3h 31m
$337
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Thu 8/27
4:15 pm-8:38 pm
Nonstop3h 23m
Chicago O'Hare Intl
Sat 8/29
8:50 am-11:32 am
Nonstop3h 42m
$337
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Salt Lake City to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Salt Lake City with our price prediction graph.
SLC-ORD
SLC-MDW
SLC-STL
SLC-PIA
SLC-SPI
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 Salt Lake City to Illinois
SLC-USIL
SLC-ORD
SLC-MDW
SLC-STL
SLC-PIA
What is the cheapest month to book a flight from Salt Lake City to Illinois?
Currently, August is the cheapest month in which you can book a flight from Salt Lake City to Illinois (average of $344). Flying from Salt Lake City to Illinois in July is currently the most expensive (average of $496). 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 SLC to IL?
Find hourly flight availability from Salt Lake City to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2026.
It’s typically best to fly out from Salt Lake City to Illinois in the morning. Doing so could potentially save you 20% on the flight price compared to flying in the evening, which is usually more expensive.
Weekly flight availability from Salt Lake City to Illinois
Explore weekly flight availability from Salt Lake City to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 31, 2026.
The most flights from SLC to USIL are scheduled on a Thursday (35 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (18 on average).
How much does it cost to fly round-trip from Salt Lake City to Illinois?
Airfare is below average for this route at the moment.
Salt Lake City to Illinois flights typically cost between $339 and $447 in October.The cheapest round-trip price found within the last 5 days was $276 on Frontier (Oct 9-Oct 11).
How far ahead should I book a flight from Salt Lake City to Illinois?
To ensure you get the cheapest price possible for a flight from Salt Lake City to Illinois, you should look to book at least 89 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 Salt Lake City to Illinois?
Use this chart to determine the cheapest time to fly round-trip from Salt Lake City to Illinois. Price data was last updated on July 25, 2026.
Travelers seeking maximum savings on their Salt Lake City to Illinois flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated July 31, 2026.
Read through reviews of airlines operating flights from Salt Lake City to Illinois, such as Southwest,Delta, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Crew
8.6
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from Salt Lake City to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Salt Lake City 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 Salt Lake City to Illinois by cabin class
Find flights from Salt Lake City to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Salt Lake City and Illinois flights
Browse other Salt Lake City and Illinois flight options. Last updated on July 31, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Salt Lake City to Illinois flights
Consider these flights traveling from Salt Lake City to Illinois.
Top 5 airlines flying from Salt Lake City to Illinois
Discover the top 5 airlines that operate flights from Salt Lake City to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$144 | Average$276 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$237 | Average$461 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$254 | Average$433 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$254 | Average$453 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$333 | Average$464 | FlexibilityNo cancel fee | On-time63% |