$86+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ORD
May 22 — May 291
Round-trip
1 adult, Economy
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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 April 22, 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 April 22, 2026.
This Expedia deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:23 am
SLC
- STL
1 stop10h 00m
Frontier
Mon 5/119:18 pm
STL
- SLC
1 stop13h 12m
Frontier
Deal found 4/20![Frontier logo]()
$180
This Expedia deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2210:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Sun 5/244:19 pm
STL
- SLC
1 stop30h 40m
Frontier
Deal found 4/20![Frontier logo]()
$185
This Trip.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/168:23 am
SLC
- STL
1 stop10h 00m
Frontier
Sat 5/234:19 pm
STL
- SLC
1 stop30h 40m
Frontier
Deal found 4/21![Frontier logo]()
$186
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/210:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Thu 6/43:30 pm
STL
- SLC
1 stop6h 21m
Frontier
Deal found 4/20![Frontier logo]()
$192
This Expedia deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:29 pm
SLC
- STL
1 stop24h 50m
Frontier
Mon 5/48:17 pm
STL
- SLC
1 stop24h 12m
Frontier
Deal found 4/17![Frontier logo]()
$200
This Expedia deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:29 pm
SLC
- STL
1 stop25h 54m
Frontier
Mon 5/189:18 pm
STL
- SLC
1 stop13h 12m
Frontier
Deal found 4/21![Frontier logo]()
$201
This Travelocity deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/191:32 pm
SLC
- STL
1 stop27h 34m
Frontier
Thu 5/219:06 pm
STL
- SLC
1 stop13h 24m
Frontier
Deal found 4/20![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/24:29 pm
SLC
- STL
1 stop25h 54m
Frontier
Wed 6/108:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 4/22![Frontier logo]()
$212
This Expedia deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:50 pm
SLC
- STL
1 stop27h 18m
Frontier
Sat 8/298:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 4/18![Frontier logo]()
$214
This Trip.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:29 pm
SLC
- STL
2 stops24h 37m
Frontier
Sat 5/306:30 pm
STL
- SLC
1 stop16h 00m
Frontier
Deal found 4/17![Frontier logo]()
$218
This Frontier deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:49 am
SLC
- STL
1 stop6h 32m
Frontier
Sun 5/39:55 pm
STL
- SLC
1 stop12h 39m
Frontier
Deal found 4/19![Frontier logo]()
$221
This American Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:56 pm
SLC
- MLI
1 stop5h 59m
American Airlines
Wed 5/274:46 pm
MLI
- SLC
1 stop8h 50m
American Airlines
Deal found 4/19![American Airlines logo]()
$261
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 April 22, 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 April 22, 2026.
This American Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:54 am
SLC
- PIA
1 stop6h 56m
American Airlines
Sat 5/306:00 am
PIA
- SLC
1 stop7h 37m
American Airlines
Deal found 4/18![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:00 am
SLC
- MLI
1 stop6h 09m
United Airlines
Tue 9/13:44 pm
MLI
- SLC
1 stop8h 05m
United Airlines
Deal found 4/17![United Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:10 pm
SLC
- MDW
1 stop7h 55m
Southwest
Tue 5/196:10 am
MDW
- SLC
1 stop5h 55m
Southwest
Deal found 4/20![Southwest logo]()
$373
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 8/278:25 am
SLC
- MLI
1 stop6h 57m
Delta
Sun 8/305:00 pm
MLI
- SLC
1 stop8h 28m
Delta
Deal found 4/21![Delta logo]()
$382
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/118:16 am
SLC
- PIA
1 stop10h 40m
Multiple Airlines
Sun 6/1411:07 am
PIA
- SLC
1 stop6h 30m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 8/275:00 pm
SLC
- MLI
1 stop5h 23m
American Airlines
Mon 8/316:34 pm
MLI
- SLC
1 stop6h 06m
American Airlines
Deal found 4/21![American Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2311:59 pm
SLC
- MLI
2 stops11h 38m
United Airlines
Wed 5/275:39 pm
MLI
- SLC
1 stop6h 09m
United Airlines
Deal found 4/19![United Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/245:45 pm
SLC
- ORD
Nonstop3h 12m
Delta
Tue 6/307:45 am
ORD
- SLC
Nonstop3h 30m
Delta
Deal found 4/18![Delta logo]()
$395
This American Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:02 am
SLC
- BMI
1 stop7h 14m
American Airlines
Mon 5/112:46 pm
BMI
- SLC
1 stop8h 38m
American Airlines
Deal found 4/20![American Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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 7/1110:00 am
SLC
- MDW
2 stops8h 20m
Southwest
Tue 7/149:05 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 4/19![Southwest logo]()
$410
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/108:33 pm
SLC
- DEC
2 stops11h 25m
United Airlines
Sun 5/249:37 am
DEC
- SLC
2 stops8h 38m
United Airlines
Deal found 4/19![United Airlines logo]()
$385
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:40 pm
SLC
- ORD
Nonstop3h 05m
Delta
Sat 5/95:00 pm
ORD
- SLC
Nonstop3h 28m
Delta
Deal found 4/20![Delta logo]()
$398
This American Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:02 am
SLC
- PIA
1 stop5h 50m
American Airlines
Sun 5/105:02 am
PIA
- SLC
1 stop7h 47m
American Airlines
Deal found 4/20![American Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 5/269:29 pm
SLC
- EVV
2 stops17h 20m
Multiple Airlines
Fri 5/298:44 pm
EVV
- SLC
1 stop26h 15m
Multiple Airlines
Deal found 4/20![Multiple Airlines logo]()
$472
This United Airlines deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 8/274:12 pm
SLC
- MLI
1 stop7h 02m
United Airlines
Mon 8/312:29 pm
MLI
- SLC
2 stops7h 30m
United Airlines
Deal found 4/21![United Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” 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 7/185:10 pm
SLC
- ORD
Nonstop3h 10m
Delta
Tue 7/218:27 am
ORD
- SLC
1 stop6h 52m
Delta
Deal found 4/21![Delta logo]()
$405
This Southwest deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:35 am
SLC
- MDW
2 stops7h 45m
Southwest
Tue 6/239:05 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 4/22![Southwest logo]()
$451
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” 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 7/1112:34 pm
SLC
- ORD
Nonstop3h 25m
United Airlines
Tue 7/1412:45 pm
ORD
- SLC
Nonstop3h 37m
United Airlines
Deal found 4/19![United Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/242:36 pm
SLC
- ORD
Nonstop3h 23m
Delta
Mon 6/297:45 am
ORD
- SLC
Nonstop3h 30m
Delta
Deal found 4/20![Delta logo]()
$410
This Southwest deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/231:10 pm
SLC
- MDW
1 stop8h 35m
Southwest
Mon 5/256:25 pm
MDW
- SLC
1 stop7h 00m
Southwest
Deal found 4/21![Southwest logo]()
$454
This American Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2712:21 pm
SLC
- EVV
1 stop8h 09m
American Airlines
Sat 5/305:20 am
EVV
- SLC
1 stop8h 51m
American Airlines
Deal found 4/22![American Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/102:33 pm
SLC
- PIA
1 stop5h 46m
United Airlines
Sun 5/2410:45 am
PIA
- SLC
2 stops8h 25m
United Airlines
Deal found 4/19![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/49:45 am
SLC
- MDW
1 stop7h 40m
Delta
Wed 8/59:49 am
MDW
- SLC
1 stop5h 31m
Delta
Deal found 4/19![Delta logo]()
$415
This Southwest deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1111:35 am
SLC
- MDW
2 stops7h 45m
Southwest
Mon 6/1510:00 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 4/19![Southwest logo]()
$466
This KAYAK deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:35 pm
SLC
- BRL
2 stops21h 00m
Multiple Airlines
Sat 9/59:10 am
BRL
- SLC
2 stops12h 49m
Multiple Airlines
Deal found 4/22![Multiple Airlines logo]()
$567
This United Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/178:27 pm
SLC
- DEC
2 stops11h 31m
United Airlines
Sun 5/249:37 am
DEC
- SLC
1 stop6h 40m
United Airlines
Deal found 4/19![United Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:17 pm
SLC
- MLI
2 stops10h 37m
American Airlines
Mon 5/113:48 pm
MLI
- SLC
1 stop7h 17m
American Airlines
Deal found 4/20![American Airlines logo]()
$458
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 5/306:00 am
SLC
- ORD
1 stop5h 56m
Delta
Sun 6/77:45 am
ORD
- SLC
Nonstop3h 30m
Delta
Deal found 4/20![Delta logo]()
$420
This Southwest deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1211:05 am
SLC
- STL
2 stops8h 55m
Southwest
Wed 6/178:30 am
STL
- SLC
2 stops8h 50m
Southwest
Deal found 4/22![Southwest logo]()
$469
This United Airlines deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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 8/297:00 am
SLC
- CMI
2 stops9h 28m
United Airlines
Tue 9/19:49 am
CMI
- SLC
1 stop6h 20m
United Airlines
Deal found 4/18![United Airlines logo]()
$416
Last-minute flights from Salt Lake City to IllinoisDiscover last-minute flight deals from Salt Lake City to Illinois. Data last updated April 22, 2026 and is based on user searches.
Discover last-minute flight deals from Salt Lake City to Illinois. Data last updated April 22, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3011:49 am
SLC
- STL
1 stop6h 32m
Frontier
Sun 5/39:55 pm
STL
- SLC
1 stop12h 39m
Frontier
Deal found 4/19![Frontier logo]()
$221
This Expedia deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:29 pm
SLC
- STL
1 stop24h 50m
Frontier
Sun 5/39:55 pm
STL
- SLC
1 stop12h 39m
Frontier
Deal found 4/17![Frontier logo]()
$200
This Expedia deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:23 am
SLC
- STL
1 stop10h 00m
Frontier
Mon 5/119:18 pm
STL
- SLC
1 stop13h 12m
Frontier
Deal found 4/20![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/88:30 pm
SLC
- STL
1 stop21h 53m
Frontier
Mon 5/119:18 pm
STL
- SLC
2 stops11h 20m
Frontier
Deal found 4/19![Frontier logo]()
$222
This Expedia deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/144:29 pm
SLC
- STL
1 stop25h 54m
Frontier
Mon 5/189:18 pm
STL
- SLC
1 stop13h 12m
Frontier
Deal found 4/21![Frontier logo]()
$201
This Trip.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/168:23 am
SLC
- STL
1 stop10h 00m
Frontier
Sat 5/234:19 pm
STL
- SLC
1 stop30h 40m
Frontier
Deal found 4/21![Frontier logo]()
$186
This Expedia deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/174:29 pm
SLC
- STL
1 stop25h 54m
Frontier
Sun 5/249:06 pm
STL
- SLC
1 stop13h 24m
Frontier
Deal found 4/19![Frontier logo]()
$225
This Travelocity deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/191:32 pm
SLC
- STL
1 stop27h 34m
Frontier
Thu 5/219:06 pm
STL
- SLC
1 stop13h 24m
Frontier
Deal found 4/20![Frontier logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2110:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Wed 5/278:08 pm
STL
- SLC
1 stop12h 30m
Frontier
Deal found 4/20![Frontier logo]()
$223
This Expedia deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2210:54 pm
SLC
- STL
1 stop19h 29m
Frontier
Sun 5/244:19 pm
STL
- SLC
1 stop30h 40m
Frontier
Deal found 4/20![Frontier logo]()
$185
This American Airlines deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/234:56 pm
SLC
- MLI
1 stop5h 59m
American Airlines
Wed 5/274:46 pm
MLI
- SLC
1 stop8h 50m
American Airlines
Deal found 4/19![American Airlines logo]()
$261
This Trip.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/264:29 pm
SLC
- STL
2 stops24h 37m
Frontier
Sat 5/306:30 pm
STL
- SLC
1 stop16h 00m
Frontier
Deal found 4/17![Frontier logo]()
$218
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 April 22, 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 April 22, 2026.
This Expedia deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/191:32 pm
SLC
- STL
1 stop27h 34m
Frontier
Deal found 4/20![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/168:30 pm
SLC
- STL
1 stop21h 53m
Frontier
Deal found 4/18![Frontier logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/148:30 pm
SLC
- STL
1 stop21h 53m
Frontier
Deal found 4/21![Frontier logo]()
$98
This Super.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” 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.
Sat 6/611:05 am
SLC
- STL
1 stop7h 26m
Frontier
Deal found 4/18![Frontier logo]()
$99
This Frontier deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:00 am
SLC
- STL
1 stop10h 32m
Frontier
Deal found 4/18![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/2310:54 pm
SLC
- STL
2 stops33h 01m
Frontier
Deal found 4/21![Frontier logo]()
$111
This Frontier deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/188:16 am
SLC
- STL
1 stop10h 07m
Frontier
Deal found 4/20![Frontier logo]()
$115
This Super.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” 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 4/3011:49 am
SLC
- STL
1 stop6h 32m
Frontier
Deal found 4/20![Frontier logo]()
$120
This Delta deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/287:45 am
SLC
- ORD
Nonstop3h 07m
Delta
Deal found 4/22![Delta logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/189:29 pm
SLC
- ORD
2 stops22h 03m
Frontier
Deal found 4/20![Frontier logo]()
$168
This eDestinos deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/289:29 pm
SLC
- ORD
2 stops17h 37m
Frontier
Deal found 4/20![Frontier logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/299:29 pm
SLC
- MDW
2 stops23h 33m
Frontier
Deal found 4/22![Frontier logo]()
$169
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 April 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $180 (Expedia) |
One-way from | $86 (Expedia) |
Popular in | January |
Cheapest in | September |
Average price | $415 |
Good round-trip deal | $436 or less |
Good one-way deal | $262 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 April 22, 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 CityPeoria
SLC - PIA
SLCPIA
Salt Lake City
Thu 5/28
7:54 am-3:50 pm
1 stop6h 56m
Greater Peoria
Sat 5/30
6:00 am-12:37 pm
1 stop7h 37m
$339
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Thu 8/27
5:00 pm-11:23 pm
1 stop5h 23m
Moline Quad-City
Mon 8/31
6:34 pm-11:40 pm
1 stop6h 06m
$339
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Sat 8/29
8:00 am-3:09 pm
1 stop6h 09m
Moline Quad-City
Tue 9/1
3:44 pm-10:49 pm
1 stop8h 05m
$351
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Sat 5/23
11:59 pm-12:37 pm
2 stops11h 38m
Moline Quad-City
Wed 5/27
5:39 pm-10:48 pm
1 stop6h 09m
$356
Salt Lake CityBloomington
SLC - BMI
SLCBMI
Salt Lake City
Wed 5/6
6:02 am-2:16 pm
1 stop7h 14m
Bloomington-Normal
Mon 5/11
2:46 pm-10:24 pm
1 stop8h 38m
$369
Salt Lake CityPeoria
SLC - PIA
SLCPIA
Salt Lake City
Wed 5/6
6:02 am-12:52 pm
1 stop5h 50m
Greater Peoria
Sun 5/10
5:02 am-11:49 am
1 stop7h 47m
$369
Salt Lake CityChicago
SLC - MDW
SLCMDW
Salt Lake City
Wed 5/13
2:10 pm-11:05 pm
1 stop7h 55m
Chicago Midway
Tue 5/19
6:10 am-11:05 am
1 stop5h 55m
$373
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Thu 8/27
8:25 am-4:22 pm
1 stop6h 57m
Moline Quad-City
Sun 8/30
5:00 pm-12:28 am
1 stop8h 28m
$382
Salt Lake CityDecatur
SLC - DEC
SLCDEC
Salt Lake City
Sun 5/10
8:33 pm-8:58 am
2 stops11h 25m
Decatur Arpt
Sun 5/24
9:37 am-5:15 pm
2 stops8h 38m
$385
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Thu 8/27
4:12 pm-12:14 am
1 stop7h 02m
Moline Quad-City
Mon 8/31
2:29 pm-8:59 pm
2 stops7h 30m
$393
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-STL
SLC-MLI
SLC-PIA
SLC-MDW
SLC-ORD
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Salt Lake City to Illinois
SLC-USIL
SLC-STL
SLC-MLI
SLC-PIA
SLC-MDW
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 $40). Flying from Salt Lake City to Illinois in January is currently the most expensive (average of $168). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from 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 April 22, 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.
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 April 18, 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.
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 April 22, 2026.
The most flights from SLC to USIL are scheduled on a Monday (34 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (26 on average).
How much does it cost to fly round-trip from Salt Lake City to Illinois?
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated April 22, 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.
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from 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.
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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.
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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 April 22, 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 6 airlines flying from Salt Lake City to Illinois
Discover the top 6 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 April 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$141 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$127 | Average$250 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$168 | Average$434 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$199 | Average$447 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$227 | Average$494 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$282 | Average$454 | FlexibilityNo cancel fee | On-time63% |