$65+ 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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
SLC — ORD
Apr 5 — Apr 121
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 March 6, 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 March 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 4/97:35 am
SLC
- STL
1 stop25h 13m
Frontier
Sat 4/188:17 pm
STL
- SLC
1 stop15h 36m
Frontier
Deal found 3/3![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 3/129:14 pm
SLC
- STL
1 stop11h 35m
Frontier
Mon 3/168:12 pm
STL
- SLC
1 stop12h 43m
Frontier
Deal found 3/3![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 4/307:35 am
SLC
- STL
1 stop10h 46m
Frontier
Fri 5/88:12 pm
STL
- SLC
1 stop12h 49m
Frontier
Deal found 3/3![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:49 pm
SLC
- STL
1 stop27h 43m
Frontier
Mon 4/278:17 pm
STL
- SLC
1 stop15h 57m
Frontier
Deal found 3/5![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 4/911:49 am
SLC
- STL
1 stop20h 59m
Frontier
Fri 4/178:06 pm
STL
- SLC
1 stop12h 55m
Frontier
Deal found 3/3![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” 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 5/117:35 am
SLC
- STL
1 stop10h 37m
Frontier
Fri 5/158:12 pm
STL
- SLC
1 stop12h 49m
Frontier
Deal found 3/4![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/179:14 pm
SLC
- STL
1 stop11h 35m
Frontier
Thu 3/198:06 pm
STL
- SLC
1 stop14h 09m
Frontier
Deal found 3/2![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 3/129:14 pm
SLC
- STL
1 stop11h 35m
Frontier
Tue 3/178:06 pm
STL
- SLC
1 stop14h 04m
Frontier
Deal found 3/3![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” 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 4/18:30 pm
SLC
- STL
1 stop23h 47m
Frontier
Wed 4/88:16 pm
STL
- SLC
1 stop12h 49m
Frontier
Deal found 3/4![Frontier logo]()
$172
This Frontier deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:00 am
SLC
- STL
1 stop10h 32m
Frontier
Thu 4/239:55 pm
STL
- SLC
1 stop11h 57m
Frontier
Deal found 3/1![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:48 pm
SLC
- ORD
1 stop29h 37m
Multiple Airlines
Thu 4/236:16 pm
ORD
- SLC
2 stops38h 45m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$220
This CheapOair deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:49 am
SLC
- ORD
1 stop21h 01m
Frontier
Mon 4/208:58 pm
ORD
- SLC
1 stop20h 53m
Frontier
Deal found 3/1![Frontier logo]()
$222
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 March 6, 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 March 6, 2026.
This Delta deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” 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 4/201:55 pm
SLC
- ORD
Nonstop3h 09m
Delta
Tue 4/217:10 pm
ORD
- SLC
Nonstop3h 33m
Delta
Deal found 3/4![Delta logo]()
$341
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/182:35 pm
SLC
- MLI
1 stop5h 57m
United Airlines
Tue 4/216:30 am
MLI
- SLC
1 stop6h 13m
United Airlines
Deal found 3/1![United Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/141:20 pm
SLC
- ORD
2 stops9h 35m
Southwest
Fri 4/172:40 pm
ORD
- SLC
2 stops8h 45m
Southwest
Deal found 3/5![Southwest logo]()
$388
This Alaska Airlines deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/94:00 pm
SLC
- STL
1 stop6h 58m
Alaska Airlines
Thu 7/165:33 pm
STL
- SLC
1 stop18h 12m
Alaska Airlines
Deal found 3/5![Alaska Airlines logo]()
$439
This American Airlines deal was found by Cheapflights users on 3/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/84:01 pm
SLC
- EVV
1 stop6h 09m
American Airlines
Sat 4/116:33 am
EVV
- SLC
1 stop7h 04m
American Airlines
Deal found 3/6![American Airlines logo]()
$450
This Travelocity deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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.
Wed 7/158:46 pm
SLC
- BRL
2 stops15h 34m
Multiple Airlines
Sat 7/189:10 am
BRL
- SLC
2 stops13h 47m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$673
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 3/274:00 pm
SLC
- ORD
Nonstop3h 12m
United Airlines
Tue 3/318:55 am
ORD
- SLC
Nonstop3h 48m
United Airlines
Deal found 3/3![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/291:55 pm
SLC
- ORD
Nonstop3h 09m
Delta
Tue 5/52:09 pm
ORD
- SLC
Nonstop3h 31m
Delta
Deal found 3/1![Delta logo]()
$365
This Southwest deal was found by Cheapflights users on 2/28. 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.
Tue 5/511:10 am
SLC
- MDW
2 stops7h 45m
Southwest
Tue 5/124:00 pm
MDW
- SLC
2 stops8h 15m
Southwest
Deal found 2/28![Southwest logo]()
$391
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/217:20 am
SLC
- PIA
1 stop5h 48m
United Airlines
Sat 4/258:50 am
PIA
- SLC
1 stop7h 33m
United Airlines
Deal found 3/2![United Airlines logo]()
$359
This Southwest deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:05 am
SLC
- ORD
2 stops7h 55m
Southwest
Mon 4/201:35 pm
ORD
- SLC
2 stops10h 05m
Southwest
Deal found 3/5![Southwest logo]()
$395
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/118:45 pm
SLC
- STL
Nonstop2h 51m
Delta
Sun 6/147:30 am
STL
- SLC
Nonstop3h 16m
Delta
Deal found 3/1![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/27:20 am
SLC
- ORD
Nonstop3h 16m
United Airlines
Mon 4/68:30 pm
ORD
- SLC
Nonstop3h 40m
United Airlines
Deal found 3/1![United Airlines logo]()
$365
This American Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 4/236:20 am
SLC
- BMI
1 stop6h 56m
American Airlines
Mon 4/2711:16 am
BMI
- SLC
2 stops12h 46m
American Airlines
Deal found 3/3![American Airlines logo]()
$460
This Southwest deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:30 am
SLC
- MDW
2 stops8h 00m
Southwest
Thu 4/234:35 pm
MDW
- SLC
2 stops8h 30m
Southwest
Deal found 3/2![Southwest logo]()
$395
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/169:40 am
SLC
- STL
Nonstop2h 52m
Delta
Tue 5/197:59 pm
STL
- SLC
Nonstop3h 15m
Delta
Deal found 3/2![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 4/144:33 pm
SLC
- PIA
1 stop5h 24m
United Airlines
Sat 4/188:50 am
PIA
- SLC
1 stop7h 33m
United Airlines
Deal found 3/3![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/21:20 pm
SLC
- STL
Nonstop2h 47m
Delta
Sun 4/56:12 pm
STL
- SLC
Nonstop3h 13m
Delta
Deal found 3/1![Delta logo]()
$399
This Southwest deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” 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 4/106:05 am
SLC
- MDW
1 stop6h 05m
Southwest
Mon 4/136:15 am
MDW
- SLC
1 stop8h 10m
Southwest
Deal found 3/4![Southwest logo]()
$402
This American Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 3/186:20 am
SLC
- EVV
1 stop8h 29m
American Airlines
Wed 3/257:06 am
EVV
- SLC
1 stop6h 41m
American Airlines
Deal found 3/3![American Airlines logo]()
$501
This United Airlines deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 4/2212:43 am
SLC
- PIA
2 stops12h 25m
United Airlines
Mon 4/275:35 pm
PIA
- SLC
1 stop6h 35m
United Airlines
Deal found 3/3![United Airlines logo]()
$384
This Southwest deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 4/305:45 am
SLC
- STL
2 stops6h 25m
Southwest
Sat 5/96:10 am
STL
- SLC
2 stops9h 25m
Southwest
Deal found 3/3![Southwest logo]()
$405
This Delta deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” 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 4/119:54 am
SLC
- MDW
1 stop7h 00m
Delta
Tue 4/149:29 am
MDW
- SLC
1 stop8h 11m
Delta
Deal found 3/4![Delta logo]()
$405
This United Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/172:45 pm
SLC
- PIA
1 stop5h 36m
United Airlines
Sat 3/215:25 pm
PIA
- SLC
1 stop6h 16m
United Airlines
Deal found 3/2![United Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 2/28. 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.
Sat 3/145:30 am
SLC
- MDW
2 stops7h 50m
Southwest
Sat 3/219:25 pm
MDW
- SLC
Nonstop3h 30m
Southwest
Deal found 2/28![Southwest logo]()
$408
This Delta deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/99:40 am
SLC
- STL
Nonstop2h 52m
Delta
Mon 5/1111:22 am
STL
- SLC
1 stop6h 03m
Delta
Deal found 3/2![Delta logo]()
$409
This American Airlines deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/185:00 am
SLC
- CMI
1 stop8h 15m
American Airlines
Sat 6/276:09 am
CMI
- SLC
1 stop7h 28m
American Airlines
Deal found 3/2![American Airlines logo]()
$548
This United Airlines deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/14:26 pm
SLC
- PIA
1 stop6h 40m
United Airlines
Sun 5/35:30 pm
PIA
- SLC
1 stop6h 22m
United Airlines
Deal found 3/1![United Airlines logo]()
$404
This KAYAK deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/98:46 pm
SLC
- BRL
2 stops15h 34m
Multiple Airlines
Sat 7/119:10 am
BRL
- SLC
2 stops13h 47m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$736
This Delta deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” 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 6/69:40 am
SLC
- STL
Nonstop2h 52m
Delta
Tue 6/96:59 pm
STL
- SLC
Nonstop3h 14m
Delta
Deal found 3/4![Delta logo]()
$419
Last-minute flights from Salt Lake City to IllinoisDiscover last-minute flight deals from Salt Lake City to Illinois. Data last updated March 6, 2026 and is based on user searches.
Discover last-minute flight deals from Salt Lake City to Illinois. Data last updated March 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 3/129:14 pm
SLC
- STL
1 stop11h 35m
Frontier
Mon 3/168:12 pm
STL
- SLC
1 stop12h 43m
Frontier
Deal found 3/3![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 3/129:14 pm
SLC
- STL
1 stop11h 35m
Frontier
Tue 3/178:06 pm
STL
- SLC
1 stop14h 04m
Frontier
Deal found 3/3![Frontier logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/179:14 pm
SLC
- STL
1 stop11h 35m
Frontier
Thu 3/198:06 pm
STL
- SLC
1 stop14h 09m
Frontier
Deal found 3/2![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” 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 4/18:30 pm
SLC
- STL
1 stop23h 47m
Frontier
Wed 4/88:16 pm
STL
- SLC
1 stop12h 49m
Frontier
Deal found 3/4![Frontier logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 4/97:35 am
SLC
- STL
1 stop25h 13m
Frontier
Sat 4/188:17 pm
STL
- SLC
1 stop15h 36m
Frontier
Deal found 3/3![Frontier logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 4/911:49 am
SLC
- STL
1 stop20h 59m
Frontier
Fri 4/178:06 pm
STL
- SLC
1 stop12h 55m
Frontier
Deal found 3/3![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1610:48 pm
SLC
- ORD
1 stop29h 37m
Multiple Airlines
Thu 4/236:16 pm
ORD
- SLC
2 stops38h 45m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$220
This CheapOair deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1611:49 am
SLC
- ORD
1 stop21h 01m
Frontier
Mon 4/208:58 pm
ORD
- SLC
1 stop20h 53m
Frontier
Deal found 3/1![Frontier logo]()
$222
This Frontier deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/188:00 am
SLC
- STL
1 stop10h 32m
Frontier
Thu 4/239:55 pm
STL
- SLC
1 stop11h 57m
Frontier
Deal found 3/1![Frontier logo]()
$180
This Frontier deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2310:48 pm
SLC
- STL
1 stop21h 25m
Frontier
Mon 4/279:55 pm
STL
- SLC
1 stop19h 56m
Frontier
Deal found 3/2![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 3/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:49 pm
SLC
- STL
1 stop27h 43m
Frontier
Mon 4/278:17 pm
STL
- SLC
1 stop15h 57m
Frontier
Deal found 3/5![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 4/307:35 am
SLC
- STL
1 stop10h 46m
Frontier
Fri 5/88:12 pm
STL
- SLC
1 stop12h 49m
Frontier
Deal found 3/3![Frontier logo]()
$139
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 March 6, 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 March 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 5/89:59 pm
SLC
- STL
1 stop20h 13m
Frontier
Deal found 3/3![Frontier logo]()
$65
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:13 pm
SLC
- STL
1 stop20h 19m
Frontier
Deal found 3/2![Frontier logo]()
$66
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:17 pm
SLC
- STL
1 stop11h 31m
Frontier
Deal found 3/2![Frontier logo]()
$67
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 3/249:14 pm
SLC
- STL
1 stop11h 35m
Frontier
Deal found 3/3![Frontier logo]()
$69
This Kiwi.com deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” 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 3/319:14 pm
SLC
- STL
1 stop11h 34m
Frontier
Deal found 3/4![Frontier logo]()
$70
This Kiwi.com deal was found by Cheapflights users on 3/3. Clicking the “Pick Dates” 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 3/139:14 pm
SLC
- STL
1 stop11h 35m
Frontier
Deal found 3/3![Frontier logo]()
$76
This Trip.com deal was found by Cheapflights users on 3/4. Clicking the “Pick Dates” 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.
Thu 4/167:35 am
SLC
- STL
1 stop10h 46m
Frontier
Deal found 3/4![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/157:35 am
SLC
- STL
1 stop25h 14m
Frontier
Deal found 3/2![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/109:17 pm
SLC
- STL
1 stop11h 31m
Frontier
Deal found 3/2![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/127:35 am
SLC
- STL
1 stop25h 13m
Frontier
Deal found 3/2![Frontier logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 3/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/2310:59 pm
SLC
- ORD
2 stops35h 18m
Multiple Airlines
Deal found 3/2![Multiple Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 3/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2010:48 pm
SLC
- MDW
2 stops37h 12m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$131
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 March 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $131 (Kiwi.com) |
One-way from | $65 (Kiwi.com) |
Popular in | January |
Cheapest in | September |
Average price | $348 |
Good round-trip deal | $406 or less |
Good one-way deal | $245 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 March 6, 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 - ORD
SLCORD
Salt Lake City
Mon 4/20
1:55 pm-6:04 pm
Nonstop3h 09m
Chicago O'Hare Intl
Tue 4/21
7:10 pm-9:43 pm
Nonstop3h 33m
$341
Salt Lake CityMoline
SLC - MLI
SLCMLI
Salt Lake City
Sat 4/18
2:35 pm-9:32 pm
1 stop5h 57m
Moline Quad-City
Tue 4/21
6:30 am-11:43 am
1 stop6h 13m
$351
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Fri 3/27
4:00 pm-8:12 pm
Nonstop3h 12m
Chicago O'Hare Intl
Tue 3/31
8:55 am-11:43 am
Nonstop3h 48m
$358
Salt Lake CityPeoria
SLC - PIA
SLCPIA
Salt Lake City
Tue 4/21
7:20 am-2:08 pm
1 stop5h 48m
Greater Peoria
Sat 4/25
8:50 am-3:23 pm
1 stop7h 33m
$359
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Wed 4/29
1:55 pm-6:04 pm
Nonstop3h 09m
Chicago O'Hare Intl
Tue 5/5
2:09 pm-4:40 pm
Nonstop3h 31m
$365
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Thu 4/2
7:20 am-11:36 am
Nonstop3h 16m
Chicago O'Hare Intl
Mon 4/6
8:30 pm-11:10 pm
Nonstop3h 40m
$365
Salt Lake CityPeoria
SLC - PIA
SLCPIA
Salt Lake City
Tue 4/14
4:33 pm-10:57 pm
1 stop5h 24m
Greater Peoria
Sat 4/18
8:50 am-3:23 pm
1 stop7h 33m
$379
Salt Lake CityPeoria
SLC - PIA
SLCPIA
Salt Lake City
Wed 4/22
12:43 am-2:08 pm
2 stops12h 25m
Greater Peoria
Mon 4/27
5:35 pm-11:10 pm
1 stop6h 35m
$384
Salt Lake CityChicago
SLC - ORD
SLCORD
Salt Lake City
Tue 4/14
1:20 pm-11:55 pm
2 stops9h 35m
Chicago O'Hare Intl
Fri 4/17
2:40 pm-10:25 pm
2 stops8h 45m
$388
Salt Lake CityPeoria
SLC - PIA
SLCPIA
Salt Lake City
Tue 3/17
2:45 pm-9:21 pm
1 stop5h 36m
Greater Peoria
Sat 3/21
5:25 pm-10:41 pm
1 stop6h 16m
$389
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-ORD
SLC-EVV
SLC-MDW
SLC-BMI
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-ORD
SLC-EVV
SLC-MDW
What is the cheapest month to book a flight from Salt Lake City to Illinois?
Currently, April is the cheapest month in which you can book a flight from Salt Lake City to Illinois (average of $88). Flying from Salt Lake City to Illinois in January is currently the most expensive (average of $252). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from 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 March 6, 2026.
It’s typically best to fly out from Salt Lake City to Illinois in the evening. Doing so could potentially save you 64% on the flight price compared to flying in the afternoon, 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 February 21, 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. Sunday afternoons 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 March 6, 2026.
Read through reviews of airlines operating flights from Salt Lake City to Illinois, such as Southwest, Delta, and United 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
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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
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Complete your trip
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Salt Lake City and Illinois flights
Browse other Salt Lake City and Illinois flight options. Last updated on March 6, 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 March 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$75 | Average$200 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$97 | Average$239 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$168 | Average$423 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$203 | Average$437 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$227 | Average$479 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$290 | Average$471 | FlexibilityNo cancel fee | On-time63% |