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Illinois

$48+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
JAC — ORD
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$106
(Cheapflightsfares)

One-way from

$48
(Cheapflightsfares)

Popular in

July

Cheapest in

December

Average price

$489

Good round-trip deal

$538 or less

Good one-way deal

$281 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 ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($13 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 17, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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.
Wed 5/216:50 amDEN - STL
Nonstop2h 09mFrontier
Wed 5/287:55 pmSTL - DEN
Nonstop2h 32mFrontier
Deal found 4/16$106
This CheapOair deal was found by Cheapflights users on 4/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/38:21 pmDEN - ORD
Nonstop2h 38mFrontier
Sat 7/57:00 amORD - DEN
Nonstop2h 49mFrontier
Deal found 4/16$113
This Kiwi.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/25:17 pmDEN - PIA
Nonstop2h 00mAllegiant Air
Mon 5/53:08 pmPIA - DEN
Nonstop2h 19mAllegiant Air
Deal found 4/17$124
This Southwest deal was found by Cheapflights users on 4/15. 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.
Wed 5/71:15 pmDEN - ORD
Nonstop2h 30mSouthwest
Sat 5/107:00 amORD - DEN
Nonstop2h 40mSouthwest
Deal found 4/15$151
This Southwest deal was found by Cheapflights users on 4/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/38:45 pmDEN - MDW
Nonstop2h 25mSouthwest
Sat 7/54:05 pmMDW - DEN
Nonstop2h 45mSouthwest
Deal found 4/16$151
This Cheapflightsfares deal was found by Cheapflights users on 4/16. 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.
Fri 4/188:50 pmSLC - ORD
Nonstop3h 09mFrontier
Mon 4/215:07 pmORD - SLC
Nonstop3h 43mFrontier
Deal found 4/16$157
This CheapOair deal was found by Cheapflights users on 4/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/295:26 pmDEN - MDW
Nonstop2h 27mFrontier
Tue 6/32:44 pmMDW - DEN
Nonstop2h 52mFrontier
Deal found 4/16$159
This United Airlines deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/88:57 pmDEN - ORD
Nonstop2h 32mUnited Airlines
Sun 5/115:05 amORD - DEN
Nonstop2h 49mUnited Airlines
Deal found 4/17$160
This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/178:14 pmSLC - ORD
1 stop13h 41mSpirit Airlines
Tue 5/209:02 pmORD - SLC
1 stop23h 17mSpirit Airlines
Deal found 4/16$173
This American Airlines deal was found by Cheapflights users on 4/17. 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 5/147:00 amDEN - ORD
Nonstop2h 32mAmerican Airlines
Wed 5/219:45 pmORD - DEN
Nonstop2h 48mAmerican Airlines
Deal found 4/17$176
This Frontier deal was found by Cheapflights users on 4/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/159:19 pmSLC - STL
1 stop10h 47mFrontier
Wed 4/236:58 pmSTL - SLC
1 stop6h 37mFrontier
Deal found 4/15$178
This Frontier deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2410:09 amSLC - MDW
1 stop9h 30mFrontier
Sat 4/2612:19 pmMDW - SLC
1 stop7h 36mFrontier
Deal found 4/17$188

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 17, 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

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Wed 5/21

6:50 am-9:59 am

Nonstop2h 09m

Lambert-St Louis

Wed 5/28

7:55 pm-9:27 pm

Nonstop2h 32m

$106

DenverChicago

DEN - ORD

DENORD

Denver Intl

Fri 6/6

8:22 pm-11:59 pm

Nonstop2h 37m

Chicago O'Hare Intl

Sat 6/14

7:00 am-8:49 am

Nonstop2h 49m

$117

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Fri 5/2

5:17 pm-8:17 pm

Nonstop2h 00m

Greater Peoria

Mon 5/5

3:08 pm-4:27 pm

Nonstop2h 19m

$124

DenverChicago

DEN - ORD

DENORD

Denver Intl

Sat 5/10

7:00 am-10:32 am

Nonstop2h 32m

Chicago O'Hare Intl

Tue 5/13

3:24 pm-5:07 pm

Nonstop2h 43m

$151

DenverChicago

DEN - MDW

DENMDW

Denver Intl

Thu 7/3

8:45 pm-12:10 am

Nonstop2h 25m

Chicago Midway

Sat 7/5

4:05 pm-5:50 pm

Nonstop2h 45m

$151

DenverChicago

DEN - MDW

DENMDW

Denver Intl

Thu 5/29

5:26 pm-8:53 pm

Nonstop2h 27m

Chicago Midway

Tue 6/3

2:44 pm-4:36 pm

Nonstop2h 52m

$159

DenverChicago

DEN - ORD

DENORD

Denver Intl

Thu 5/8

8:57 pm-12:29 am

Nonstop2h 32m

Chicago O'Hare Intl

Sun 5/11

5:05 am-6:54 am

Nonstop2h 49m

$160

DenverChicago

DEN - ORD

DENORD

Denver Intl

Sat 5/10

11:25 am-3:00 pm

Nonstop2h 35m

Chicago O'Hare Intl

Tue 5/13

4:00 pm-11:05 pm

1 stop8h 05m

$161

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Sat 5/17

8:14 pm-10:55 am

1 stop13h 41m

Chicago O'Hare Intl

Tue 5/20

9:02 pm-7:19 pm

1 stop23h 17m

$173

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

$178

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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 $321). 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.

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 17, 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
9,887 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,887 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,916 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,385 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,887 reviews

Food

7.1

Comfort

7.9

Entertainment

7.1

Boarding

8.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 $48. Users have also found prices from $69 and $76 on Allegiant Air and United Airlines, 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 $321). 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$275Average$475FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$359Average$421FlexibilityNo cancel feeOn-time71%

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