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Wyoming

$29+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — JAC
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Illinois to Wyoming

Cheapest flights from Illinois to Wyoming
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 December 12, 2025.

This Frontier deal was found by Cheapflights users on 12/10. 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 12/1912:26 pmORD - DEN
1 stop11h 43mFrontier
Thu 12/258:45 pmDEN - ORD
Nonstop2h 27mFrontier
Deal found 12/10$145
This Frontier deal was found by Cheapflights users on 12/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:34 pmORD - DEN
1 stop12h 04mFrontier
Wed 12/318:45 pmDEN - ORD
Nonstop2h 27mFrontier
Deal found 12/11$171
This Super.com deal was found by Cheapflights users on 12/10. 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 12/317:43 pmSTL - DEN
Nonstop2h 32mFrontier
Mon 1/56:50 amDEN - STL
Nonstop2h 12mFrontier
Deal found 12/10$172
This Frontier deal was found by Cheapflights users on 12/9. 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.
Sun 12/2110:49 pmORD - DEN
1 stop11h 15mFrontier
Wed 12/248:45 pmDEN - ORD
Nonstop2h 27mFrontier
Deal found 12/9$175
This Frontier deal was found by Cheapflights users on 12/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1912:26 pmORD - DEN
1 stop11h 43mFrontier
Thu 1/83:02 pmDEN - ORD
Nonstop2h 43mFrontier
Deal found 12/11$177
This Kiwi.com deal was found by Cheapflights users on 12/9. 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 12/132:26 pmORD - DEN
1 stop18h 58mFrontier
Wed 12/248:45 pmDEN - ORD
Nonstop2h 27mFrontier
Deal found 12/9$178
This CheapOair deal was found by Cheapflights users on 12/10. 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.
Wed 12/317:43 pmSTL - DEN
Nonstop2h 32mFrontier
Tue 1/611:59 pmDEN - STL
1 stop21h 34mFrontier
Deal found 12/10$178
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Tue 12/3012:32 pmORD - DEN
1 stop10h 36mFrontier
Wed 12/318:45 pmDEN - ORD
Nonstop2h 27mFrontier
Deal found 12/10$179
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Wed 12/317:00 amORD - DEN
Nonstop2h 56mFrontier
Wed 12/318:45 pmDEN - ORD
Nonstop2h 27mFrontier
Deal found 12/11$180
This Frontier deal was found by Cheapflights users on 12/10. 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.
Wed 12/247:00 amORD - DEN
Nonstop2h 56mFrontier
Thu 12/258:45 pmDEN - ORD
Nonstop2h 27mFrontier
Deal found 12/10$183
This Frontier deal was found by Cheapflights users on 12/10. 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.
Thu 12/187:00 amORD - DEN
Nonstop2h 56mFrontier
Thu 12/258:45 pmDEN - ORD
Nonstop2h 27mFrontier
Deal found 12/10$184
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/248:08 pmORD - DEN
Nonstop2h 58mUnited Airlines
Thu 1/16:00 amDEN - ORD
Nonstop2h 44mUnited Airlines
Deal found 12/10$192

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$70
(Frontier)

One-way from

$29
(Expedia)

Popular in

November

Cheapest in

October

Average price

$632

Good round-trip deal

$350 or less

Good one-way deal

$153 or less
Provider with most accurate pricing for Chicago (CHI)-Jackson Hole flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Jackson Hole flights.
Search Deals
From Illinois to Wyoming
Search Deals
One-way flight from Illinois to Wyoming
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Wyoming.
Search Deals
Price to beat on a one-way flight from Illinois to Wyoming.
Search Deals

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 December 12, 2025.
Use the filters below to find and compare flights from Illinois to Wyoming that are best for you.

Fly from

Illinois

Fly to

Wyoming

Route

Depart

Return

Price

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 1/7

5:11 pm-9:49 pm

2 stops29h 38m

Denver Intl

Sat 1/10

6:50 am-10:02 am

Nonstop2h 12m

$123

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 1/7

7:43 pm-9:15 pm

Nonstop2h 32m

Denver Intl

Wed 1/14

10:40 am-12:40 pm

2 stops25h 00m

$131

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Sat 1/10

3:59 pm-5:57 pm

Nonstop2h 58m

Denver Intl

Sat 1/17

9:40 am-1:22 pm

Nonstop2h 42m

$168

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Thu 1/1

9:40 pm-11:38 pm

Nonstop2h 58m

Denver Intl

Wed 1/7

5:42 pm-9:15 pm

Nonstop2h 33m

$168

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 1/7

7:43 pm-9:15 pm

Nonstop2h 32m

Denver Intl

Wed 1/14

9:20 pm-10:34 pm

3 stops24h 14m

$169

ChicagoDenver

MDW - DEN

MDWDEN

Chicago Midway

Wed 1/7

5:35 pm-7:20 pm

Nonstop2h 45m

Denver Intl

Wed 1/14

9:45 am-1:10 pm

Nonstop2h 25m

$179

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Sat 1/24

12:53 pm-2:51 pm

Nonstop2h 58m

Denver Intl

Tue 1/27

5:42 pm-9:15 pm

Nonstop2h 33m

$179

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Wed 1/7

8:02 pm-9:59 pm

Nonstop2h 57m

Denver Intl

Tue 1/13

5:42 pm-9:15 pm

Nonstop2h 33m

$179

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Sat 1/31

3:59 pm-5:57 pm

Nonstop2h 58m

Denver Intl

Tue 2/3

8:25 pm-11:59 pm

Nonstop2h 34m

$179

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Tue 2/17

12:50 pm-2:48 pm

Nonstop2h 58m

Denver Intl

Sat 2/21

5:54 pm-9:29 pm

Nonstop2h 35m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 60 results
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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.
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

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 February 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 December 12, 2025.

When flying from Illinois to Wyoming, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 26% versus a flight in the morning.

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 December 12, 2025.
Read reviews from past customers who have flown Delta, 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.
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,007 reviews

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • How long is the flight from Illinois to Wyoming?

    There are many flights that can get you from Illinois to Wyoming in 2h 45m. Fly via Frontier, United Airlines, or Southwest to get the fastest option. The distance from Illinois to Wyoming is about 893 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to Wyoming one-way?

    $236 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on American Airlines and Aer Lingus, with prices starting from $247 and $326, respectively.

  • Can I find deals for flights from Illinois to Wyoming that include hotel bookings?

    Yes. In addition to deals on Illinois to Wyoming flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Wyoming?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Wyoming.

  • Can I find deals for business class flights from Illinois to Wyoming?

    Yes. Cheapflights offers flight deals from Illinois to Wyoming by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 February 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.

See more FAQs

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.
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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$211Average$461FlexibilityNo cancel feeOn-time69%
DeltaCheapest$265Average$383FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$289Average$505FlexibilityNo cancel feeOn-time71%

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