$59+ Cheap flights from Illinois to Wyoming
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.
ORD — JAC
abr. 15 — abr. 221
Round-trip
1 adult, Economy
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Cheapest flights from Illinois to WyomingExplore the most affordable flight options available from Illinois to Wyoming. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 16, 2026.
Explore the most affordable flight options available from Illinois to Wyoming. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 16, 2026.
This Super.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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.
mié. 4/88:16 pm
STL
- DEN
Nonstop2h 33m
Frontier
vie. 4/106:40 am
DEN
- STL
Nonstop2h 08m
Frontier
Deal found 3/11![Frontier logo]()
$76
This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/48:16 pm
STL
- DEN
Nonstop2h 33m
Frontier
mié. 4/86:40 am
DEN
- STL
Nonstop2h 08m
Frontier
Deal found 3/13![Frontier logo]()
$77
This Super.com deal was found by Cheapflights users on 3/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/118:16 pm
STL
- DEN
Nonstop2h 33m
Frontier
lun. 4/136:40 am
DEN
- STL
Nonstop2h 08m
Frontier
Deal found 3/13![Frontier logo]()
$79
This Cheapflightsfares deal was found by Cheapflights users on 3/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/28:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
sáb. 5/94:15 pm
DEN
- STL
Nonstop2h 08m
Frontier
Deal found 3/16![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 3/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/138:19 pm
STL
- DEN
Nonstop2h 33m
Frontier
jue. 4/164:09 pm
DEN
- STL
Nonstop2h 12m
Frontier
Deal found 3/13![Frontier logo]()
$85
This Trip.com deal was found by Cheapflights users on 3/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/118:16 pm
STL
- DEN
Nonstop2h 33m
Frontier
sáb. 4/184:20 pm
DEN
- STL
Nonstop2h 12m
Frontier
Deal found 3/13![Frontier logo]()
$87
This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/188:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
sáb. 4/254:20 pm
DEN
- STL
Nonstop2h 12m
Frontier
Deal found 3/13![Frontier logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
lun. 4/278:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
vie. 5/14:09 pm
DEN
- STL
Nonstop2h 12m
Frontier
Deal found 3/12![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
vie. 4/38:16 pm
STL
- DEN
Nonstop2h 33m
Frontier
lun. 4/66:40 am
DEN
- STL
Nonstop2h 08m
Frontier
Deal found 3/15![Frontier logo]()
$99
This Cheapflightsfares deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/83:29 pm
ORD
- DEN
Nonstop3h 08m
Frontier
mié. 4/1511:59 pm
DEN
- ORD
1 stop10h 33m
Frontier
Deal found 3/11![Frontier logo]()
$155
This Cheapflightsfares deal was found by Cheapflights users on 3/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/102:29 pm
ORD
- DEN
Nonstop3h 11m
Frontier
lun. 4/132:08 pm
DEN
- ORD
1 stop15h 12m
Frontier
Deal found 3/12![Frontier logo]()
$156
This Cheapflightsfares deal was found by Cheapflights users on 3/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/89:18 pm
ORD
- DEN
1 stop16h 34m
Frontier
lun. 5/116:15 am
DEN
- ORD
Nonstop2h 35m
Frontier
Deal found 3/12![Frontier logo]()
$157
Best flights from Illinois to WyomingDiscover carefully curated flight deals from Illinois to Wyoming that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated marzo 16, 2026.
Discover carefully curated flight deals from Illinois to Wyoming that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated marzo 16, 2026.
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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.
mar. 4/148:50 pm
MDW
- DEN
Nonstop2h 45m
Southwest
mié. 4/2211:05 am
DEN
- MDW
1 stop4h 30m
Southwest
Deal found 3/11![Southwest logo]()
$191
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/136:05 pm
STL
- DEN
Nonstop2h 34m
United Airlines
mié. 4/151:48 pm
DEN
- STL
Nonstop2h 08m
United Airlines
Deal found 3/12![United Airlines logo]()
$193
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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.
mar. 5/267:13 pm
MDW
- DEN
1 stop5h 28m
Delta
mar. 6/26:00 am
DEN
- MDW
1 stop6h 19m
Delta
Deal found 3/11![Delta logo]()
$205
This Alaska Airlines deal was found by Cheapflights users on 3/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/144:10 pm
ORD
- SLC
1 stop7h 56m
Alaska Airlines
vie. 4/173:00 pm
SLC
- ORD
1 stop7h 59m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$330
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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.
mié. 4/2910:10 am
MDW
- DEN
Nonstop2h 40m
Southwest
jue. 5/76:35 am
DEN
- MDW
Nonstop2h 20m
Southwest
Deal found 3/11![Southwest logo]()
$193
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/206:05 pm
STL
- DEN
Nonstop2h 34m
United Airlines
sáb. 4/255:45 pm
DEN
- STL
Nonstop2h 09m
United Airlines
Deal found 3/12![United Airlines logo]()
$201
This Southwest deal was found by Cheapflights users on 3/12. 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.
mié. 4/1510:30 am
ORD
- DEN
Nonstop2h 45m
Southwest
mié. 4/226:30 am
DEN
- ORD
1 stop6h 25m
Southwest
Deal found 3/12![Southwest logo]()
$195
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/157:13 pm
MDW
- DEN
1 stop5h 28m
Delta
vie. 5/2212:55 am
DEN
- MDW
1 stop6h 48m
Delta
Deal found 3/12![Delta logo]()
$233
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/910:04 pm
ORD
- DEN
Nonstop2h 55m
United Airlines
dom. 4/128:52 pm
DEN
- ORD
Nonstop2h 38m
United Airlines
Deal found 3/12![United Airlines logo]()
$223
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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.
sáb. 4/256:00 am
MDW
- DEN
Nonstop2h 40m
Southwest
sáb. 5/211:40 am
DEN
- MDW
1 stop4h 35m
Southwest
Deal found 3/11![Southwest logo]()
$207
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/296:36 pm
MDW
- DEN
1 stop5h 22m
Delta
lun. 6/16:05 am
DEN
- MDW
1 stop5h 37m
Delta
Deal found 3/12![Delta logo]()
$233
This Kiwi.com deal was found by Cheapflights users on 3/16. 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.
vie. 3/205:46 pm
STL
- SLC
2 stops21h 05m
Frontier
mar. 3/249:14 pm
SLC
- STL
1 stop11h 35m
Frontier
Deal found 3/16![Frontier logo]()
$540
This Southwest deal was found by Cheapflights users on 3/12. 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.
mié. 5/136:35 am
STL
- DEN
Nonstop2h 20m
Southwest
dom. 5/178:35 pm
DEN
- STL
Nonstop2h 10m
Southwest
Deal found 3/12![Southwest logo]()
$211
This Delta deal was found by Cheapflights users on 3/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/49:50 am
ORD
- DEN
1 stop8h 27m
Delta
mar. 4/712:35 am
DEN
- ORD
1 stop7h 35m
Delta
Deal found 3/12![Delta logo]()
$233
This Southwest deal was found by Cheapflights users on 3/13. 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.
mié. 5/136:30 am
MDW
- DEN
Nonstop2h 40m
Southwest
sáb. 5/165:45 pm
DEN
- MDW
Nonstop2h 35m
Southwest
Deal found 3/13![Southwest logo]()
$215
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/165:30 pm
PIA
- DEN
1 stop7h 20m
United Airlines
sáb. 5/233:01 pm
DEN
- PIA
1 stop5h 04m
United Airlines
Deal found 3/12![United Airlines logo]()
$269
This Southwest deal was found by Cheapflights users on 3/12. 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.
mar. 6/95:30 am
MDW
- DEN
Nonstop2h 35m
Southwest
lun. 6/155:55 am
DEN
- MDW
Nonstop2h 25m
Southwest
Deal found 3/12![Southwest logo]()
$215
This Alaska Airlines deal was found by Cheapflights users on 3/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/204:10 pm
ORD
- SLC
1 stop7h 56m
Alaska Airlines
dom. 4/268:11 am
SLC
- ORD
1 stop28h 02m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$350
This Southwest deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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.
mié. 4/296:15 am
ORD
- DEN
1 stop7h 50m
Southwest
jue. 5/71:00 pm
DEN
- ORD
2 stops9h 55m
Southwest
Deal found 3/11![Southwest logo]()
$218
This United Airlines deal was found by Cheapflights users on 3/15. 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.
jue. 4/28:50 am
PIA
- DEN
Nonstop2h 43m
United Airlines
mar. 4/146:00 am
DEN
- PIA
1 stop5h 36m
United Airlines
Deal found 3/15![United Airlines logo]()
$299
This Southwest deal was found by Cheapflights users on 3/13. 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.
lun. 4/65:40 am
MDW
- DEN
Nonstop2h 45m
Southwest
sáb. 4/116:30 am
DEN
- MDW
Nonstop2h 20m
Southwest
Deal found 3/13![Southwest logo]()
$221
This Southwest deal was found by Cheapflights users on 3/12. 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.
lun. 4/209:40 pm
STL
- DEN
Nonstop2h 20m
Southwest
sáb. 4/255:55 pm
DEN
- STL
Nonstop2h 20m
Southwest
Deal found 3/12![Southwest logo]()
$221
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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.
mar. 4/281:20 pm
PIA
- DEN
1 stop7h 20m
United Airlines
sáb. 5/25:55 pm
DEN
- PIA
Nonstop2h 24m
United Airlines
Deal found 3/11![United Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 3/15. 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.
jue. 4/306:00 am
MDW
- DEN
Nonstop2h 40m
Southwest
mar. 5/52:20 pm
DEN
- MDW
1 stop4h 30m
Southwest
Deal found 3/15![Southwest logo]()
$224
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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.
mar. 5/127:45 pm
ORD
- SLC
Nonstop3h 30m
Delta
lun. 5/1811:00 am
SLC
- ORD
1 stop8h 14m
Delta
Deal found 3/11![Delta logo]()
$408
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 4/2810:35 am
MLI
- DEN
1 stop5h 16m
United Airlines
sáb. 5/28:15 am
DEN
- MLI
1 stop7h 36m
United Airlines
Deal found 3/12![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 3/12. 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.
dom. 4/196:00 am
MDW
- DEN
Nonstop2h 40m
Southwest
mié. 4/228:40 am
DEN
- MDW
2 stops5h 15m
Southwest
Deal found 3/12![Southwest logo]()
$226
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/157:20 am
ORD
- JAC
1 stop7h 11m
Alaska Airlines
dom. 7/193:47 pm
JAC
- ORD
2 stops20h 29m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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.
mié. 7/86:34 pm
MLI
- DEN
1 stop6h 04m
United Airlines
dom. 7/126:00 am
DEN
- MLI
1 stop5h 39m
United Airlines
Deal found 3/11![United Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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.
lun. 4/67:10 pm
ORD
- SLC
Nonstop3h 37m
Delta
mar. 4/145:10 pm
SLC
- ORD
Nonstop3h 08m
Delta
Deal found 3/11![Delta logo]()
$418
Last-minute flights from Illinois to WyomingDiscover last-minute flight deals from Illinois to Wyoming. Data last updated marzo 16, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Wyoming. Data last updated marzo 16, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/15. 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.
vie. 4/38:16 pm
STL
- DEN
Nonstop2h 33m
Frontier
lun. 4/66:40 am
DEN
- STL
Nonstop2h 08m
Frontier
Deal found 3/15![Frontier logo]()
$99
This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/48:16 pm
STL
- DEN
Nonstop2h 33m
Frontier
mié. 4/86:40 am
DEN
- STL
Nonstop2h 08m
Frontier
Deal found 3/13![Frontier logo]()
$77
This Super.com deal was found by Cheapflights users on 3/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/45:53 pm
ORD
- DEN
Nonstop3h 08m
Frontier
mié. 4/810:45 am
DEN
- ORD
Nonstop2h 34m
Frontier
Deal found 3/15![Frontier logo]()
$158
This Super.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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.
mié. 4/88:16 pm
STL
- DEN
Nonstop2h 33m
Frontier
vie. 4/106:40 am
DEN
- STL
Nonstop2h 08m
Frontier
Deal found 3/11![Frontier logo]()
$76
This Cheapflightsfares deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/83:29 pm
ORD
- DEN
Nonstop3h 08m
Frontier
mié. 4/1511:59 pm
DEN
- ORD
1 stop10h 33m
Frontier
Deal found 3/11![Frontier logo]()
$155
This Cheapflightsfares deal was found by Cheapflights users on 3/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/102:29 pm
ORD
- DEN
Nonstop3h 11m
Frontier
lun. 4/132:08 pm
DEN
- ORD
1 stop15h 12m
Frontier
Deal found 3/12![Frontier logo]()
$156
This Cheapflightsfares deal was found by Cheapflights users on 3/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/102:29 pm
ORD
- DEN
Nonstop3h 11m
Frontier
sáb. 4/119:00 pm
DEN
- ORD
Nonstop2h 38m
Frontier
Deal found 3/13![Frontier logo]()
$157
This Super.com deal was found by Cheapflights users on 3/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/118:16 pm
STL
- DEN
Nonstop2h 33m
Frontier
lun. 4/136:40 am
DEN
- STL
Nonstop2h 08m
Frontier
Deal found 3/13![Frontier logo]()
$79
This Trip.com deal was found by Cheapflights users on 3/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/118:16 pm
STL
- DEN
Nonstop2h 33m
Frontier
sáb. 4/184:20 pm
DEN
- STL
Nonstop2h 12m
Frontier
Deal found 3/13![Frontier logo]()
$87
This Super.com deal was found by Cheapflights users on 3/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/138:19 pm
STL
- DEN
Nonstop2h 33m
Frontier
jue. 4/164:09 pm
DEN
- STL
Nonstop2h 12m
Frontier
Deal found 3/13![Frontier logo]()
$85
This Cheapflightsfares deal was found by Cheapflights users on 3/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/188:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
sáb. 4/254:20 pm
DEN
- STL
Nonstop2h 12m
Frontier
Deal found 3/12![Frontier logo]()
$80
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
lun. 4/278:17 pm
STL
- DEN
Nonstop2h 33m
Frontier
vie. 5/14:09 pm
DEN
- STL
Nonstop2h 12m
Frontier
Deal found 3/12![Frontier logo]()
$98
One-way flights from Illinois to WyomingSearch for one-way flight options from Illinois to Wyoming. Find affordable one-way fares based on user searches. Data last updated marzo 16, 2026.
Search for one-way flight options from Illinois to Wyoming. Find affordable one-way fares based on user searches. Data last updated marzo 16, 2026.
This Frontier deal was found by Cheapflights users on 3/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/88:08 pm
STL
- DEN
Nonstop2h 33m
Frontier
Deal found 3/12![Frontier logo]()
$59
This Frontier deal was found by Cheapflights users on 3/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/168:06 pm
STL
- DEN
Nonstop2h 33m
Frontier
Deal found 3/14![Frontier logo]()
$64
This Super.com deal was found by Cheapflights users on 3/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 4/68:19 pm
STL
- DEN
Nonstop2h 33m
Frontier
Deal found 3/16![Frontier logo]()
$65
This Super.com deal was found by Cheapflights users on 3/13. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/238:08 pm
STL
- DEN
Nonstop2h 40m
Frontier
Deal found 3/13![Frontier logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 3/12. 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.
mié. 4/88:16 pm
STL
- SLC
1 stop28h 53m
Frontier
Deal found 3/12![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
lun. 4/138:19 pm
STL
- SLC
1 stop15h 55m
Frontier
Deal found 3/13![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 3/11. Clicking the “Pick Dates” 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.
jue. 4/308:06 pm
STL
- DEN
Nonstop2h 33m
Frontier
Deal found 3/11![Frontier logo]()
$78
This Kiwi.com deal was found by Cheapflights users on 3/13. 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.
vie. 4/108:16 pm
STL
- SLC
1 stop12h 49m
Frontier
Deal found 3/13![Frontier logo]()
$79
This Cheapflightsfares deal was found by Cheapflights users on 3/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/78:08 pm
STL
- DEN
Nonstop2h 33m
Frontier
Deal found 3/12![Frontier logo]()
$79
This Super.com deal was found by Cheapflights users on 3/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/218:12 pm
STL
- DEN
Nonstop2h 37m
Frontier
Deal found 3/12![Frontier logo]()
$83
This Frontier deal was found by Cheapflights users on 3/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/258:12 pm
STL
- DEN
Nonstop2h 37m
Frontier
Deal found 3/12![Frontier logo]()
$84
This Priceline deal was found by Cheapflights users on 3/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/88:08 pm
STL
- DEN
Nonstop2h 33m
Frontier
Deal found 3/14![Frontier logo]()
$86
Find flight deals from Illinois to Wyoming
Keep the following information in mind while searching for Illinois to Wyoming flight deals. Data was last updated marzo 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $76 (Super.com) |
One-way from | $59 (Frontier) |
Popular in | November |
Cheapest in | April |
Average price | $403 |
Good round-trip deal | $360 or less |
Good one-way deal | $241 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Wyoming 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 marzo 16, 2026.
Use the filters below to find and compare flights from Illinois to Wyoming that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
mar. 4/14
8:50 pm-10:35 pm
Nonstop2h 45m
Denver Intl
mié. 4/22
11:05 am-4:35 pm
1 stop4h 30m
$191
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
lun. 4/13
6:05 pm-7:39 pm
Nonstop2h 34m
Denver Intl
mié. 4/15
1:48 pm-4:56 pm
Nonstop2h 08m
$193
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
mié. 4/29
10:10 am-11:50 am
Nonstop2h 40m
Denver Intl
jue. 5/7
6:35 am-9:55 am
Nonstop2h 20m
$193
ChicagoDenver
ORD - DEN
ORDDEN
Chicago O'Hare Intl
mié. 4/15
10:30 am-12:15 pm
Nonstop2h 45m
Denver Intl
mié. 4/22
6:30 am-1:55 pm
1 stop6h 25m
$195
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
lun. 4/20
6:05 pm-7:39 pm
Nonstop2h 34m
Denver Intl
sáb. 4/25
5:45 pm-8:54 pm
Nonstop2h 09m
$201
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
mar. 5/26
7:13 pm-11:41 pm
1 stop5h 28m
Denver Intl
mar. 6/2
6:00 am-1:19 pm
1 stop6h 19m
$205
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
sáb. 4/25
6:00 am-7:40 am
Nonstop2h 40m
Denver Intl
sáb. 5/2
11:40 am-5:15 pm
1 stop4h 35m
$207
Quickest round-trip
St. LouisDenver
STL - DEN
STLDEN
Lambert-St Louis
mié. 5/13
6:35 am-7:55 am
Nonstop2h 20m
Denver Intl
dom. 5/17
8:35 pm-11:45 pm
Nonstop2h 10m
$211
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
mié. 5/13
6:30 am-8:10 am
Nonstop2h 40m
Denver Intl
sáb. 5/16
5:45 pm-9:20 pm
Nonstop2h 35m
$215
ChicagoDenver
MDW - DEN
MDWDEN
Chicago Midway
mar. 6/9
5:30 am-7:05 am
Nonstop2h 35m
Denver Intl
lun. 6/15
5:55 am-9:20 am
Nonstop2h 25m
$215
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Wyoming
Have a flexible travel schedule? Discover the best time to fly to Wyoming from Illinois with our price prediction graph.
STL-DEN
STL-SLC
MDW-DEN
ORD-SLC
ORD-DEN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Wyoming
USIL-USWY
STL-DEN
STL-SLC
MDW-DEN
ORD-SLC
What is the cheapest month to book a flight from Illinois to Wyoming?
Currently, October is the cheapest month in which you can book a flight from Illinois to Wyoming (average of $229). Flying from Illinois to Wyoming in November is currently the most expensive (average of $355). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IL to WY?
Find hourly flight availability from Illinois to Wyoming. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 16, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Wyoming as you normally would.
Weekly flight availability from Illinois to Wyoming
Explore weekly flight availability from Illinois to Wyoming. 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 marzo 16, 2026.
The most flights from USIL to USWY are scheduled on a Friday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
Reviews of airlines servicing Wyoming
Get insights into the airlines that provide service to Wyoming. 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 Wyoming. Reviews last updated marzo 16, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Illinois to Wyoming. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Comfort
7.9
Entertainment
7.8
Overall
7.9
Food
7.2
Boarding
8.1
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Illinois to Wyoming. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Illinois to Wyoming
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Wyoming by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Wyoming by cabin class
Find flights from Illinois to Wyoming, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Wyoming flights
Browse other Illinois and Wyoming flight options. Last updated on marzo 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Wyoming
Find the right flight back to Illinois after your stay in Wyoming
Illinois to Wyoming flights
Consider these flights traveling from Illinois to Wyoming.
Top 3 airlines flying from Illinois to Wyoming
Discover the top 3 airlines that operate flights from Illinois to Wyoming. 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 marzo 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$211 | Average$427 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$265 | Average$358 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$289 | Average$478 | FlexibilityNo cancel fee | On-time71% |