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$36+ Cheap flights from Wyoming to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
JAC — ORD
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheap flight deals from Wyoming to Illinois

Keep the following information in mind while searching for Wyoming to Illinois flight deals. Data was last updated April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$85
(Cheapflightsfares)

One-way from

$36
(Cheapflightsfares)

Popular in

September

Cheapest in

December

Average price

$489

Good round-trip deal

$538 or less

Good one-way deal

$284 or less
Provider with most accurate pricing for Jackson Hole-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Jackson Hole-Chicago (CHI) flights.
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From Wyoming to Illinois
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One-way flight from Wyoming to Illinois
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Highest demand for flights based on searches. 6% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Wyoming to Illinois.
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Price to beat on a one-way flight from Wyoming to Illinois.
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Find flight deals from Wyoming to Illinois

Cheapest flights from Wyoming to Illinois
Explore the most affordable flight options available from Wyoming to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This Booking.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/25:17 pmDEN - PIA
Nonstop2h 00mAllegiant Air
Fri 5/93:08 pmPIA - DEN
Nonstop2h 19mAllegiant Air
Deal found 4/1$92
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/38:22 pmDEN - ORD
Nonstop2h 37mFrontier
Tue 6/106:00 amORD - DEN
Nonstop2h 51mFrontier
Deal found 4/1$97
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/23:42 pmDEN - MDW
Nonstop2h 26mFrontier
Mon 5/58:03 pmMDW - DEN
Nonstop2h 53mFrontier
Deal found 4/1$97
This CheapOair deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/146:50 amDEN - STL
Nonstop2h 09mFrontier
Sat 5/178:15 pmSTL - DEN
Nonstop2h 33mFrontier
Deal found 4/1$107
This Cheapflightsfares deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/118:50 pmSLC - ORD
Nonstop3h 09mFrontier
Mon 4/145:07 pmORD - SLC
Nonstop3h 43mFrontier
Deal found 4/1$134
This CheapOair deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/218:14 pmSLC - ORD
1 stop8h 11mSpirit Airlines
Tue 5/2711:50 amORD - SLC
1 stop8h 29mSpirit Airlines
Deal found 4/1$144
This Southwest deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/297:30 pmDEN - ORD
Nonstop2h 35mSouthwest
Wed 4/306:55 pmORD - DEN
Nonstop3h 00mSouthwest
Deal found 4/1$151
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/298:30 amDEN - MDW
Nonstop2h 20mSouthwest
Tue 5/66:45 pmMDW - DEN
Nonstop2h 45mSouthwest
Deal found 3/31$151
This Booking.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/216:50 amDEN - STL
Nonstop2h 09mMultiple Airlines
Sun 5/2510:20 amSTL - DEN
1 stop8h 07mMultiple Airlines
Deal found 4/1$151
This American Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/37:20 amDEN - ORD
Nonstop2h 29mAmerican Airlines
Sat 5/31:36 pmORD - DEN
Nonstop2h 51mAmerican Airlines
Deal found 4/1$154
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/38:57 pmDEN - ORD
Nonstop2h 32mUnited Airlines
Thu 5/85:05 amORD - DEN
Nonstop2h 49mUnited Airlines
Deal found 4/1$164
This FlightHub deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/110:14 amDEN - ORD
1 stop7h 57mMultiple Airlines
Tue 8/55:40 amORD - DEN
Nonstop2h 50mMultiple Airlines
Deal found 4/1$167

Cheapflights Fare Finder

Customize your flight search to find flights from Wyoming to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2025.
Use the filters below to find and compare flights from Wyoming to Illinois that are best for you.

Fly from

Wyoming

Fly to

Illinois

Route

Depart

Return

Price

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Fri 5/2

5:17 pm-8:17 pm

Nonstop2h 00m

Greater Peoria

Fri 5/9

3:08 pm-4:27 pm

Nonstop2h 19m

$92

DenverChicago

DEN - ORD

DENORD

Denver Intl

Fri 5/2

8:11 pm-11:41 pm

Nonstop2h 30m

Chicago O'Hare Intl

Mon 5/5

5:21 pm-7:23 pm

Nonstop3h 02m

$97

DenverChicago

DEN - MDW

DENMDW

Denver Intl

Fri 5/2

3:42 pm-7:08 pm

Nonstop2h 26m

Chicago Midway

Mon 5/5

8:03 pm-9:56 pm

Nonstop2h 53m

$97

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Wed 5/14

6:50 am-9:59 am

Nonstop2h 09m

Lambert-St Louis

Sat 5/17

8:15 pm-9:48 pm

Nonstop2h 33m

$107

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Fri 4/11

8:50 pm-12:59 am

Nonstop3h 09m

Chicago O'Hare Intl

Mon 4/14

5:07 pm-7:50 pm

Nonstop3h 43m

$134

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Wed 5/21

8:14 pm-5:25 am

1 stop8h 11m

Chicago O'Hare Intl

Tue 5/27

11:50 am-7:19 pm

1 stop8h 29m

$144

DenverChicago

DEN - ORD

DENORD

Denver Intl

Tue 4/22

7:20 am-10:49 am

Nonstop2h 29m

Chicago O'Hare Intl

Tue 4/29

1:36 pm-3:27 pm

Nonstop2h 51m

$151

DenverChicago

DEN - MDW

DENMDW

Denver Intl

Tue 4/29

8:30 am-11:50 am

Nonstop2h 20m

Chicago Midway

Tue 5/6

6:45 pm-8:30 pm

Nonstop2h 45m

$151

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Wed 5/21

6:50 am-9:59 am

Nonstop2h 09m

Lambert-St Louis

Sun 5/25

10:20 am-5:27 pm

1 stop8h 07m

$151

DenverChicago

DEN - ORD

DENORD

Denver Intl

Tue 4/29

7:30 pm-11:05 pm

Nonstop2h 35m

Chicago O'Hare Intl

Tue 5/6

6:55 pm-8:55 pm

Nonstop3h 00m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 60 results
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Best time to book a flight from Wyoming to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Wyoming 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 Wyoming to Illinois

What is the cheapest month to book a flight from Wyoming to Illinois?

Currently, August is the cheapest month in which you can book a flight from Wyoming to Illinois (average of $245). Flying from Wyoming to Illinois in March is currently the most expensive (average of $323). 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 WY to IL?

Find hourly flight availability from Wyoming to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Wyoming to Illinois as you normally would.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated April 2, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Wyoming to Illinois by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,823 reviews

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,823 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,345 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Comfort

7.9

Food

7.1

Boarding

8.2

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Wyoming to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $36. Users have also found prices from $76 and $76 on United Airlines and Southwest, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Wyoming to Illinois 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 Wyoming to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Wyoming to Illinois (average of $245). Flying from Wyoming to Illinois in March is currently the most expensive (average of $323). 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 Wyoming to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Wyoming to Illinois

Discover the top 2 airlines that operate flights from Wyoming to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$275Average$471FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$359Average$424FlexibilityNo cancel feeOn-time71%

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