$81+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ORD
Aug 16 — Aug 231
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 July 17, 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 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:16 am
SLC
- STL
1 stop10h 07m
Frontier
Mon 8/247:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Deal found 7/15![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:41 pm
SLC
- STL
1 stop26h 42m
Frontier
Mon 8/178:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/15![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:16 am
SLC
- STL
1 stop10h 07m
Frontier
Sat 8/158:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/12![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:05 am
SLC
- STL
1 stop12h 18m
Frontier
Wed 8/128:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/12![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:31 pm
SLC
- STL
2 stops19h 09m
Frontier
Mon 9/218:10 pm
STL
- SLC
1 stop17h 26m
Frontier
Deal found 7/16![Frontier logo]()
$188
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:05 am
SLC
- STL
1 stop12h 18m
Frontier
Sat 8/88:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/12![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Sun 10/2510:35 am
STL
- SLC
2 stops34h 58m
Frontier
Deal found 7/12![Frontier logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/38:16 am
SLC
- STL
1 stop9h 57m
Frontier
Mon 9/77:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Deal found 7/12![Frontier logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:52 pm
SLC
- STL
2 stops28h 31m
Frontier
Mon 8/178:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/12![Frontier logo]()
$209
This American Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:54 pm
SLC
- MLI
1 stop6h 11m
American Airlines
Wed 9/164:57 pm
MLI
- SLC
1 stop6h 02m
American Airlines
Deal found 7/17![American Airlines logo]()
$261
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/910:40 am
SLC
- MLI
2 stops9h 20m
United Airlines
Wed 9/165:00 pm
MLI
- SLC
1 stop6h 59m
United Airlines
Deal found 7/14![United Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:05 am
SLC
- ORD
2 stops12h 48m
Frontier
Thu 8/69:57 pm
ORD
- SLC
1 stop10h 34m
Frontier
Deal found 7/14![Frontier logo]()
$277
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 17, 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 17, 2026.
This American Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:54 pm
SLC
- MLI
1 stop6h 11m
American Airlines
Wed 9/164:57 pm
MLI
- SLC
1 stop6h 02m
American Airlines
Deal found 7/17![American Airlines logo]()
$261
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:10 am
SLC
- ORD
Nonstop3h 18m
United Airlines
Wed 8/263:56 pm
ORD
- SLC
1 stop6h 06m
United Airlines
Deal found 7/14![United Airlines logo]()
$281
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:00 am
SLC
- MDW
1 stop5h 35m
Southwest
Sat 9/2610:05 am
MDW
- SLC
Nonstop3h 20m
Southwest
Deal found 7/15![Southwest logo]()
$285
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:50 am
SLC
- ORD
Nonstop3h 09m
Delta
Wed 9/92:05 pm
ORD
- SLC
Nonstop3h 35m
Delta
Deal found 7/16![Delta logo]()
$306
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:02 pm
SLC
- PIA
2 stops17h 53m
Multiple Airlines
Sun 8/165:23 pm
PIA
- SLC
1 stop15h 08m
Multiple Airlines
Deal found 7/16![Multiple Airlines logo]()
$353
This Alaska Airlines deal was found by Cheapflights users on 7/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/27:06 am
SLC
- ORD
1 stop11h 15m
Alaska Airlines
Wed 9/97:20 am
ORD
- SLC
2 stops14h 28m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/144:15 pm
SLC
- ORD
Nonstop3h 23m
United Airlines
Tue 8/185:00 am
ORD
- SLC
1 stop5h 34m
United Airlines
Deal found 7/14![United Airlines logo]()
$285
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/243:35 pm
SLC
- MDW
1 stop7h 10m
Southwest
Mon 9/285:40 am
MDW
- SLC
1 stop7h 00m
Southwest
Deal found 7/13![Southwest logo]()
$295
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:42 pm
SLC
- ORD
Nonstop3h 18m
United Airlines
Wed 10/71:30 pm
ORD
- SLC
1 stop5h 41m
United Airlines
Deal found 7/14![United Airlines logo]()
$285
This Southwest deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:10 am
SLC
- MDW
1 stop7h 00m
Southwest
Wed 9/96:00 am
MDW
- SLC
1 stop7h 20m
Southwest
Deal found 7/16![Southwest logo]()
$295
This Delta deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/52:05 pm
SLC
- ORD
Nonstop3h 14m
Delta
Wed 8/122:00 pm
ORD
- SLC
Nonstop3h 35m
Delta
Deal found 7/14![Delta logo]()
$337
This American Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:27 pm
SLC
- PIA
1 stop5h 43m
American Airlines
Wed 12/25:30 pm
PIA
- SLC
1 stop7h 29m
American Airlines
Deal found 7/12![American Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:00 am
SLC
- MDW
2 stops7h 35m
Southwest
Wed 8/193:50 pm
MDW
- SLC
1 stop7h 40m
Southwest
Deal found 7/16![Southwest logo]()
$300
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/34:15 pm
SLC
- ORD
Nonstop3h 23m
United Airlines
Fri 9/412:40 pm
ORD
- SLC
Nonstop3h 30m
United Airlines
Deal found 7/15![United Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/251:45 pm
SLC
- ORD
Nonstop3h 16m
Delta
Mon 9/287:07 am
ORD
- SLC
1 stop9h 55m
Delta
Deal found 7/13![Delta logo]()
$344
This American Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 7/15![American Airlines logo]()
$370
This Southwest deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:00 pm
SLC
- MDW
Nonstop3h 00m
Southwest
Wed 9/210:05 am
MDW
- SLC
Nonstop3h 20m
Southwest
Deal found 7/12![Southwest logo]()
$306
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:45 pm
SLC
- ORD
Nonstop3h 07m
Delta
Mon 9/288:25 am
ORD
- SLC
1 stop6h 53m
Delta
Deal found 7/13![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/104:10 pm
SLC
- PIA
1 stop5h 48m
United Airlines
Sat 10/176:15 am
PIA
- SLC
1 stop6h 20m
United Airlines
Deal found 7/16![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:20 pm
SLC
- MDW
Nonstop3h 00m
Southwest
Tue 9/298:45 pm
MDW
- SLC
Nonstop3h 25m
Southwest
Deal found 7/16![Southwest logo]()
$306
This American Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2111:39 am
SLC
- MLI
2 stops11h 29m
American Airlines
Mon 8/2411:43 am
MLI
- SLC
2 stops11h 32m
American Airlines
Deal found 7/16![American Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/22:05 pm
SLC
- ORD
Nonstop3h 14m
Delta
Tue 9/85:10 pm
ORD
- SLC
1 stop5h 59m
Delta
Deal found 7/15![Delta logo]()
$354
This American Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/294:56 pm
SLC
- MLI
1 stop6h 45m
American Airlines
Sun 8/24:45 pm
MLI
- SLC
1 stop8h 51m
American Airlines
Deal found 7/13![American Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 7/13![United Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:05 pm
SLC
- MDW
2 stops6h 40m
Southwest
Wed 8/2611:10 am
MDW
- SLC
2 stops7h 30m
Southwest
Deal found 7/14![Southwest logo]()
$336
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/211:45 pm
SLC
- ORD
Nonstop3h 16m
Delta
Sun 9/277:45 am
ORD
- SLC
Nonstop3h 30m
Delta
Deal found 7/13![Delta logo]()
$370
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:17 pm
SLC
- MLI
1 stop5h 44m
United Airlines
Wed 11/410:35 am
MLI
- SLC
2 stops9h 34m
United Airlines
Deal found 7/15![United Airlines logo]()
$356
This Gotogate deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:34 pm
SLC
- BRL
2 stops21h 11m
Multiple Airlines
Mon 9/213:35 pm
BRL
- SLC
2 stops24h 03m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$579
This Southwest deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/136:00 am
SLC
- MDW
2 stops7h 35m
Southwest
Mon 8/175:00 pm
MDW
- SLC
2 stops6h 30m
Southwest
Deal found 7/12![Southwest logo]()
$336
This United Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:03 am
SLC
- ORD
Nonstop3h 18m
United Airlines
Sat 9/268:10 pm
ORD
- SLC
Nonstop3h 38m
United Airlines
Deal found 7/16![United Airlines logo]()
$365
Last-minute flights from Salt Lake City to IllinoisDiscover last-minute flight deals from Salt Lake City to Illinois. Data last updated July 17, 2026 and is based on user searches.
Discover last-minute flight deals from Salt Lake City to Illinois. Data last updated July 17, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:05 am
SLC
- ORD
2 stops12h 48m
Frontier
Thu 8/69:57 pm
ORD
- SLC
1 stop10h 34m
Frontier
Deal found 7/14![Frontier logo]()
$277
This Frontier deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:16 am
SLC
- ORD
1 stop11h 36m
Frontier
Tue 8/119:57 pm
ORD
- SLC
1 stop10h 34m
Frontier
Deal found 7/15![Frontier logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:05 am
SLC
- STL
1 stop12h 18m
Frontier
Sat 8/88:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/12![Frontier logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:52 pm
SLC
- ORD
1 stop14h 45m
Frontier
Fri 8/212:41 pm
ORD
- SLC
1 stop10h 18m
Frontier
Deal found 7/14![Frontier logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:16 am
SLC
- STL
1 stop10h 07m
Frontier
Sat 8/158:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/12![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:05 am
SLC
- STL
1 stop12h 18m
Frontier
Mon 8/178:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/12![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:05 am
SLC
- STL
2 stops10h 32m
Frontier
Wed 8/128:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/12![Frontier logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/128:16 am
SLC
- STL
1 stop10h 07m
Frontier
Fri 8/147:10 pm
STL
- SLC
1 stop15h 16m
Frontier
Deal found 7/14![Frontier logo]()
$223
This CheapOair deal was found by Cheapflights users on 7/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:52 pm
SLC
- ORD
1 stop14h 45m
Frontier
Tue 8/182:41 pm
ORD
- SLC
1 stop17h 50m
Frontier
Deal found 7/17![Frontier logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:41 pm
SLC
- STL
1 stop26h 42m
Frontier
Mon 8/178:08 pm
STL
- SLC
1 stop12h 23m
Frontier
Deal found 7/15![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:16 am
SLC
- STL
1 stop10h 07m
Frontier
Mon 8/247:58 pm
STL
- SLC
1 stop12h 33m
Frontier
Deal found 7/15![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:16 am
SLC
- STL
1 stop9h 57m
Frontier
Wed 9/910:35 am
STL
- SLC
2 stops22h 28m
Frontier
Deal found 7/15![Frontier logo]()
$212
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 17, 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 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/209:28 pm
SLC
- STL
1 stop20h 47m
Frontier
Deal found 7/14![Frontier logo]()
$81
This Trip.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.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
Deal found 7/15![Frontier logo]()
$82
This Trip.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/287:25 am
SLC
- STL
1 stop10h 50m
Frontier
Deal found 7/14![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:05 am
SLC
- STL
1 stop12h 08m
Frontier
Deal found 7/14![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:28 pm
SLC
- STL
1 stop20h 47m
Frontier
Deal found 7/12![Frontier logo]()
$85
This Trip.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:05 am
SLC
- STL
1 stop12h 08m
Frontier
Deal found 7/16![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:52 pm
SLC
- STL
1 stop23h 23m
Frontier
Deal found 7/13![Frontier logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Deal found 7/12![Frontier logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:41 pm
SLC
- STL
1 stop26h 42m
Frontier
Deal found 7/12![Frontier logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:28 pm
SLC
- STL
1 stop20h 47m
Frontier
Deal found 7/15![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:28 pm
SLC
- STL
1 stop20h 47m
Frontier
Deal found 7/13![Frontier logo]()
$91
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/31:31 pm
SLC
- ORD
1 stop7h 04m
Frontier
Deal found 7/13![Frontier logo]()
$92
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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $160 (Kiwi.com) |
One-way from | $81 (Kiwi.com) |
Popular in | June |
Cheapest in | August |
Average price | $441 |
Good round-trip deal | $406 or less |
Good one-way deal | $270 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 17, 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 CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Wed 9/9
4:54 pm-12:05 am
1 stop6h 11m
Moline Quad-City
Wed 9/16
4:57 pm-9:59 pm
1 stop6h 02m
$261
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Mon 8/24
8:10 am-12:28 pm
Nonstop3h 18m
Chicago O'Hare Intl
Wed 8/26
3:56 pm-9:02 pm
1 stop6h 06m
$281
Salt Lake CityChicago
SLC - MDW
SLCMDW
Salt Lake City
Sat 9/19
11:00 am-5:35 pm
1 stop5h 35m
Chicago Midway
Sat 9/26
10:05 am-12:25 pm
Nonstop3h 20m
$285
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Fri 8/14
4:15 pm-8:38 pm
Nonstop3h 23m
Chicago O'Hare Intl
Tue 8/18
5:00 am-9:34 am
1 stop5h 34m
$285
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Sat 10/3
12:42 pm-5:00 pm
Nonstop3h 18m
Chicago O'Hare Intl
Wed 10/7
1:30 pm-6:11 pm
1 stop5h 41m
$285
Salt Lake CityChicago
SLC - MDW
SLCMDW
Salt Lake City
Thu 9/24
3:35 pm-11:45 pm
1 stop7h 10m
Chicago Midway
Mon 9/28
5:40 am-11:40 am
1 stop7h 00m
$295
Salt Lake CityChicago
SLC - MDW
SLCMDW
Salt Lake City
Sat 9/5
6:10 am-2:10 pm
1 stop7h 00m
Chicago Midway
Wed 9/9
6:00 am-12:20 pm
1 stop7h 20m
$295
Salt Lake CityChicago
SLC - MDW
SLCMDW
Salt Lake City
Mon 8/17
6:00 am-2:35 pm
2 stops7h 35m
Chicago Midway
Wed 8/19
3:50 pm-10:30 pm
1 stop7h 40m
$300
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Thu 9/3
4:15 pm-8:38 pm
Nonstop3h 23m
Chicago O'Hare Intl
Fri 9/4
12:40 pm-3:10 pm
Nonstop3h 30m
$303
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Sun 9/6
7:50 am-11:59 am
Nonstop3h 09m
Chicago O'Hare Intl
Wed 9/9
2:05 pm-4:40 pm
Nonstop3h 35m
$306
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-PIA
SLC-MDW
SLC-MLI
SLC-EVV
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-PIA
SLC-MDW
SLC-MLI
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 June is currently the most expensive (average of $197). 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 17, 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 17, 2026.
The most flights from SLC to USIL are scheduled on a Wednesday (37 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).
How much does it cost to fly round-trip from Salt Lake City to Illinois?
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 54 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 11, 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 17, 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
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Comfort
8.0
Food
7.0
Overall
8.0
Entertainment
7.5
Crew
8.6
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.
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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.
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 17, 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$144 | Average$275 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$188 | Average$429 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$220 | Average$459 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$254 | Average$439 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$307 | Average$464 | FlexibilityNo cancel fee | On-time63% |