$68+ Cheap flights from Illinois to Wyoming
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — JAC
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Illinois to Wyoming with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Wyoming
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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 September 11, 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 September 11, 2026.
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Mon 12/147:49 pm -
Nonstop2h 31m
Thu 12/176:10 am -
1 stop7h 47m
Deal found 9/10![Frontier logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/177:42 pm -
Nonstop2h 27m
Tue 10/206:57 pm -
1 stop21h 43m
Deal found 9/9![Frontier logo]()
$127
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Fri 10/231:30 pm -
1 stop7h 20m
Mon 10/264:12 pm -
Nonstop2h 03m
Deal found 9/10![Frontier logo]()
$128
This Cheapflightsfares deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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.
Wed 12/27:49 pm -
Nonstop2h 31m
Mon 12/73:50 pm -
Nonstop2h 04m
Deal found 9/7![Frontier logo]()
$131
This FlightHub deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:30 pm -
1 stop24h 18m
Sat 10/243:54 pm -
Nonstop2h 03m
Deal found 9/8![Frontier logo]()
$132
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/284:18 pm -
Nonstop2h 30m
Sat 10/3110:40 am -
1 stop11h 36m
Deal found 9/9![Frontier logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 9/308:10 pm -
Nonstop2h 29m
Mon 10/56:40 am -
1 stop8h 54m
Deal found 9/10![Frontier logo]()
$135
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Wed 10/214:19 pm -
Nonstop2h 33m
Sat 10/314:09 pm -
Nonstop2h 05m
Deal found 9/10![Frontier logo]()
$136
This Super.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Wed 10/214:19 pm -
Nonstop2h 33m
Wed 10/2812:21 pm -
Nonstop2h 02m
Deal found 9/10![Frontier logo]()
$137
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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.
Fri 10/168:00 pm -
Nonstop2h 39m
Mon 10/194:12 pm -
Nonstop2h 03m
Deal found 9/9![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sat 10/312:17 pm -
1 stop7h 16m
Wed 10/78:50 pm -
Nonstop2h 09m
Deal found 9/11![Frontier logo]()
$139
This Frontier deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/176:30 am -
Nonstop2h 49m
Wed 10/288:55 pm -
Nonstop2h 26m
Deal found 9/8![Frontier logo]()
$160
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 September 11, 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 September 11, 2026.
This Frontier deal was found by Cheapflights users on 9/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:40 am -
Nonstop2h 56m
Thu 12/33:48 pm -
Nonstop2h 34m
Deal found 9/6![Frontier logo]()
$220
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/147:40 am -
Nonstop2h 35m
Wed 10/147:50 pm -
Nonstop2h 25m
Deal found 9/10![Southwest logo]()
$229
This Delta deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 11/95:42 pm -
1 stop6h 52m
Sat 11/1411:11 am -
1 stop4h 30m
Deal found 9/8![Delta logo]()
$249
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:00 am -
1 stop15h 51m
Tue 10/206:42 pm -
1 stop9h 58m
Deal found 9/6![Alaska Airlines logo]()
$283
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 11/236:50 pm -
1 stop4h 54m
Sat 11/286:00 am -
1 stop5h 06m
Deal found 9/8![United Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 9/6. 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 10/285:00 am -
1 stop7h 37m
Sat 10/316:26 am -
1 stop4h 36m
Deal found 9/6![American Airlines logo]()
$325
This Sun Country Air deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:38 pm -
1 stop24h 21m
Sat 11/288:54 am -
1 stop9h 21m
Deal found 9/7![Sun Country Air logo]()
$395
This Cheapflightsfares deal was found by Cheapflights users on 9/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/97:40 am -
1 stop17h 38m
Mon 10/124:10 pm -
1 stop7h 49m
Deal found 9/6![Frontier logo]()
$236
This Southwest deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:30 am -
1 stop4h 05m
Tue 10/137:50 pm -
Nonstop2h 25m
Deal found 9/7![Southwest logo]()
$239
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:50 pm -
Nonstop2h 25m
Thu 10/158:45 pm -
Nonstop2h 05m
Deal found 9/10![Southwest logo]()
$241
This Cheapflightsfares deal was found by Cheapflights users on 9/6. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:17 pm -
1 stop12h 27m
Tue 9/227:30 am -
1 stop27h 02m
Deal found 9/6![Frontier logo]()
$257
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:10 pm -
1 stop4h 35m
Mon 10/2611:35 am -
1 stop5h 10m
Deal found 9/8![Southwest logo]()
$249
This Alaska Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/149:00 am -
1 stop9h 46m
Sat 10/178:23 am -
2 stops20h 17m
Deal found 9/7![Alaska Airlines logo]()
$331
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/135:55 am -
Nonstop2h 50m
Mon 11/162:25 pm -
1 stop4h 15m
Deal found 9/10![Southwest logo]()
$249
This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:20 am -
1 stop8h 37m
Sat 10/1711:36 am -
1 stop6h 21m
Deal found 9/11![Frontier logo]()
$276
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:03 pm -
Nonstop3h 37m
Sat 10/177:45 am -
Nonstop3h 16m
Deal found 9/10![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/103:50 pm -
1 stop6h 21m
Tue 10/134:10 pm -
Nonstop3h 25m
Deal found 9/8![United Airlines logo]()
$343
This KAYAK deal was found by Cheapflights users on 9/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:59 pm -
Nonstop2h 53m
Thu 10/86:46 am -
Nonstop2h 44m
Deal found 9/11![American Airlines logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/239:00 am -
1 stop15h 51m
Tue 10/277:39 pm -
2 stops20h 11m
Deal found 9/7![Alaska Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/79:00 am -
Nonstop3h 35m
Sat 10/102:34 pm -
1 stop7h 12m
Deal found 9/9![United Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/215:50 am -
2 stops6h 10m
Mon 10/265:25 pm -
1 stop4h 25m
Deal found 9/8![Southwest logo]()
$266
This Alaska Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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 10/226:00 am -
2 stops18h 01m
Wed 10/283:02 pm -
1 stop22h 51m
Deal found 9/7![Alaska Airlines logo]()
$331
This Sun Country Air deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/227:38 pm -
1 stop15h 57m
Sun 11/297:24 pm -
1 stop22h 41m
Deal found 9/7![Sun Country Air logo]()
$425
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 10/102:28 pm -
1 stop6h 17m
Mon 10/126:00 am -
1 stop4h 52m
Deal found 9/10![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/181:05 pm -
1 stop9h 57m
Mon 11/236:00 am -
1 stop5h 51m
Deal found 9/10![Delta logo]()
$405
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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.
Sun 10/49:45 pm -
Nonstop2h 25m
Wed 10/78:10 pm -
Nonstop2h 05m
Deal found 9/9![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 11/144:39 pm -
Nonstop2h 31m
Tue 11/171:55 pm -
Nonstop2h 02m
Deal found 9/11![United Airlines logo]()
$357
This KAYAK deal was found by Cheapflights users on 9/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/293:00 pm -
1 stop5h 38m
Thu 10/19:07 am -
Nonstop2h 49m
Deal found 9/11![American Airlines logo]()
$446
This Delta deal was found by Cheapflights users on 9/11. 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.
Tue 10/2712:30 pm -
2 stops7h 56m
Tue 11/31:05 pm -
1 stop8h 00m
Deal found 9/11![Delta logo]()
$414
This Southwest deal was found by Cheapflights users on 9/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:00 am -
1 stop4h 55m
Sat 10/38:55 am -
1 stop6h 00m
Deal found 9/6![Southwest logo]()
$292
Last-minute flights from Illinois to WyomingDiscover last-minute flight deals from Illinois to Wyoming. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Wyoming. Data last updated September 11, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 9/308:10 pm -
Nonstop2h 29m
Mon 10/56:40 am -
1 stop8h 54m
Deal found 9/10![Frontier logo]()
$135
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Fri 10/28:10 pm -
Nonstop2h 29m
Mon 10/56:40 am -
1 stop8h 54m
Deal found 9/10![Frontier logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sat 10/312:17 pm -
1 stop7h 16m
Wed 10/78:50 pm -
Nonstop2h 09m
Deal found 9/11![Frontier logo]()
$139
This Cheapflightsfares deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” 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.
Wed 10/76:30 am -
Nonstop2h 45m
Fri 10/96:16 pm -
1 stop19h 09m
Deal found 9/7![Frontier logo]()
$161
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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.
Fri 10/168:00 pm -
Nonstop2h 39m
Mon 10/194:12 pm -
Nonstop2h 03m
Deal found 9/9![Frontier logo]()
$138
This Kiwi.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/177:42 pm -
Nonstop2h 27m
Tue 10/206:57 pm -
1 stop21h 43m
Deal found 9/9![Frontier logo]()
$127
This Frontier deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” 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 10/176:30 am -
Nonstop2h 49m
Wed 10/288:55 pm -
Nonstop2h 26m
Deal found 9/8![Frontier logo]()
$160
This FlightHub deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:30 pm -
1 stop24h 18m
Sat 10/243:54 pm -
Nonstop2h 03m
Deal found 9/8![Frontier logo]()
$132
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Wed 10/214:19 pm -
Nonstop2h 33m
Sat 10/314:09 pm -
Nonstop2h 05m
Deal found 9/10![Frontier logo]()
$136
This Super.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Wed 10/214:19 pm -
Nonstop2h 33m
Wed 10/2812:21 pm -
Nonstop2h 02m
Deal found 9/10![Frontier logo]()
$137
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Fri 10/231:30 pm -
1 stop7h 20m
Mon 10/264:12 pm -
Nonstop2h 03m
Deal found 9/10![Frontier logo]()
$128
This Frontier deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” 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 10/284:18 pm -
Nonstop2h 30m
Sat 10/3110:40 am -
1 stop11h 36m
Deal found 9/9![Frontier logo]()
$133
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 September 11, 2026.
Search for one-way flight options from Illinois to Wyoming. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Sun 11/15:24 pm -
Nonstop2h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Allegiant Air logo]()
$68
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:30 am -
Nonstop2h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$70
This Priceline deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Mon 11/27:59 pm -
1 stop5h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$78
This Super.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Tue 10/612:17 pm -
1 stop7h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$78
This Cheapflightsfares deal was found by Cheapflights users on 9/11. 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.
Mon 10/52:29 pm -
1 stop7h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/184:18 pm -
1 stop8h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$81
This Super.com deal was found by Cheapflights users on 9/11. 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.
Wed 10/72:29 pm -
1 stop7h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![Frontier logo]()
$81
This Expedia deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:18 pm -
1 stop24h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$83
This Super.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:30 pm -
1 stop24h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$84
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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 11/97:59 pm -
1 stop15h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$85
This Cheapflightsfares deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” 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.
Mon 11/91:28 pm -
1 stop11h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$85
This WAYA deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:59 pm -
1 stop5h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$87
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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $126 (Frontier) |
One-way from | $68 (CheapOair) |
Popular in | November |
Cheapest in | April |
Average price | $539 |
Good round-trip deal | $479 or less |
Good one-way deal | $255 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 7,457,451 searches. Data last updated September 11, 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
St. LouisDenver
STL Lambert-St Louis - DEN Denver Intl
STLDEN
Lambert-St Louis
Mon 10/12
9:50 pm-11:15 pm
Nonstop2h 25m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$89
St. LouisDenver
STL Lambert-St Louis - DEN Denver Intl
STLDEN
Lambert-St Louis
Tue 10/20
6:10 pm-7:30 pm
Nonstop2h 20m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$89
St. LouisDenver
STL Lambert-St Louis - DEN Denver Intl
STLDEN
Lambert-St Louis
Wed 12/9
7:03 am-1:24 pm
1 stop7h 21m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$99
St. LouisDenver
STL Lambert-St Louis - DEN Denver Intl
STLDEN
Lambert-St Louis
Tue 10/13
5:36 pm-11:53 pm
1 stop7h 17m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$99
St. LouisDenver
STL Lambert-St Louis - DEN Denver Intl
STLDEN
Lambert-St Louis
Thu 12/10
6:03 am-10:08 am
1 stop5h 05m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$99
St. LouisDenver
STL Lambert-St Louis - DEN Denver Intl
STLDEN
Lambert-St Louis
Tue 10/27
5:50 am-11:00 am
2 stops6h 10m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$104
St. LouisDenver
STL Lambert-St Louis - DEN Denver Intl
STLDEN
Lambert-St Louis
Fri 10/9
9:50 pm-11:15 pm
Nonstop2h 25m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$106
St. LouisDenver
STL Lambert-St Louis - DEN Denver Intl
STLDEN
Lambert-St Louis
Sun 9/27
5:19 pm-7:37 am
1 stop15h 18m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$115
ChicagoDenver
MDW Chicago Midway - DEN Denver Intl
MDWDEN
Chicago Midway
Mon 11/2
5:55 am-7:45 am
Nonstop2h 50m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$115
ChicagoDenver
MDW Chicago Midway - DEN Denver Intl
MDWDEN
Chicago Midway
Mon 10/5
6:25 pm-8:05 pm
Nonstop2h 40m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$115
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.
ORD-DEN
MDW-DEN
ORD-SLC
STL-DEN
STL-SLC
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
ORD-DEN
MDW-DEN
ORD-SLC
STL-DEN
What is the cheapest month to book a flight from Illinois to Wyoming?
Currently, April is the cheapest month in which you can book a flight from Illinois to Wyoming (average of $362). Flying from Illinois to Wyoming in September is currently the most expensive (average of $543). 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 September 11, 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 September 11, 2026.
The most flights from USIL to USWY are scheduled on a Wednesday (6 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from Illinois to Wyoming?
Airfare is below average for this route at the moment.
Illinois to Wyoming flights typically cost between $485 and $634 in October.The cheapest round-trip price found within the last 5 days was $369 on American Airlines (Oct 12-Oct 23).
How far ahead should I book a flight from Illinois to Wyoming?
Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from Illinois to Wyoming. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 September 11, 2026.
Read reviews from past customers who have flown United Airlines and American 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
7.3
Crew
8.1
Overall
7.4
Entertainment
7.1
Food
6.7
Boarding
7.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Comfort
7.3
Crew
8.1
Overall
7.4
Entertainment
7.1
Food
6.7
Boarding
7.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Comfort
7.3
Crew
8.1
Overall
7.4
Entertainment
7.1
Food
6.7
Boarding
7.7
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
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
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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 September 11, 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 2 airlines flying from Illinois to Wyoming
Discover the top 2 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 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$289 | Average$503 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$311 | Average$533 | FlexibilityNo cancel fee | On-time71% |