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$34+ 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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
JAC — ORD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$72
(Kiwi.com)

One-way from

$34
(Frontier)

Popular in

July

Cheapest in

December

Average price

$359

Good round-trip deal

$496 or less

Good one-way deal

$288 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. 8% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/19. 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 2/266:00 amDEN - STL
Nonstop2h 16mFrontier
Fri 2/287:09 pmSTL - DEN
Nonstop2h 28mFrontier
Deal found 2/19$67
This Frontier deal was found by Cheapflights users on 2/19. 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 3/249:08 pmDEN - ORD
Nonstop2h 36mFrontier
Sun 3/306:50 amORD - DEN
Nonstop3h 03mFrontier
Deal found 2/19$77
This Frontier deal was found by Cheapflights users on 2/19. 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 3/248:55 pmDEN - MDW
Nonstop2h 22mFrontier
Sun 3/306:40 amMDW - DEN
Nonstop2h 52mFrontier
Deal found 2/19$77
This Mytrip deal was found by Cheapflights users on 2/20. 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.
Fri 4/115:17 pmDEN - PIA
Nonstop2h 00mAllegiant Air
Mon 4/143:08 pmPIA - DEN
Nonstop2h 19mAllegiant Air
Deal found 2/20$86
This Frontier deal was found by Cheapflights users on 2/18. 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 5/18:29 pmSLC - STL
1 stop11h 40mFrontier
Sat 5/36:53 pmSTL - SLC
1 stop6h 41mFrontier
Deal found 2/18$100
This Trip.com deal was found by Cheapflights users on 2/20. 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.
Mon 3/105:19 pmSLC - ORD
Nonstop3h 14mFrontier
Wed 3/126:45 amORD - SLC
1 stop18h 55mFrontier
Deal found 2/20$102
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 4/188:49 pmSLC - ORD
Nonstop3h 14mMultiple Airlines
Tue 4/228:00 amORD - SLC
1 stop6h 29mMultiple Airlines
Deal found 2/18$124
This Frontier deal was found by Cheapflights users on 2/20. 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 3/123:07 pmSLC - MDW
1 stop8h 10mFrontier
Mon 3/178:44 pmMDW - SLC
1 stop12h 46mFrontier
Deal found 2/20$125
This FlightHub deal was found by Cheapflights users on 2/18. 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.
Tue 4/152:36 pmSLC - ORD
1 stop14h 57mSpirit Airlines
Tue 4/228:00 amORD - SLC
1 stop6h 29mSpirit Airlines
Deal found 2/18$138
This American Airlines deal was found by Cheapflights users on 2/20. 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 5/77:00 amDEN - ORD
Nonstop2h 32mAmerican Airlines
Sat 5/103:24 pmORD - DEN
Nonstop2h 43mAmerican Airlines
Deal found 2/20$159
This Southwest deal was found by Cheapflights users on 2/20. 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 5/77:25 pmDEN - MDW
Nonstop2h 25mSouthwest
Sat 5/108:35 pmMDW - DEN
Nonstop2h 45mSouthwest
Deal found 2/20$159
This Southwest deal was found by Cheapflights users on 2/20. 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 4/247:30 pmDEN - ORD
Nonstop2h 35mSouthwest
Sat 4/267:00 amORD - DEN
Nonstop2h 40mSouthwest
Deal found 2/20$164

Find flights from Wyoming to Illinois within your budget

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 February 20, 2025.

Fly from

Wyoming

Fly to

Illinois

Route

Depart

Return

Price

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Sat 5/24

6:00 am-9:12 am

Nonstop2h 12m

Lambert-St Louis

Wed 5/28

6:55 pm-8:26 pm

Nonstop2h 31m

$72

DenverChicago

DEN - ORD

DENORD

Denver Intl

Mon 3/24

9:08 pm-12:44 am

Nonstop2h 36m

Chicago O'Hare Intl

Sun 3/30

6:50 am-8:53 am

Nonstop3h 03m

$77

DenverChicago

DEN - MDW

DENMDW

Denver Intl

Mon 3/24

8:55 pm-12:17 am

Nonstop2h 22m

Chicago Midway

Sun 3/30

6:40 am-8:32 am

Nonstop2h 52m

$77

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

Fri 4/11

5:17 pm-8:17 pm

Nonstop2h 00m

Greater Peoria

Mon 4/14

3:08 pm-4:27 pm

Nonstop2h 19m

$86

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 5/1

8:29 pm-9:09 am

1 stop11h 40m

Lambert-St Louis

Sat 5/3

6:53 pm-12:34 am

1 stop6h 41m

$100

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Mon 3/10

5:19 pm-9:33 pm

Nonstop3h 14m

Chicago O'Hare Intl

Wed 3/12

6:45 am-12:40 am

1 stop18h 55m

$102

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Fri 4/18

8:49 pm-1:03 am

Nonstop3h 14m

Chicago O'Hare Intl

Tue 4/22

8:00 am-1:29 pm

1 stop6h 29m

$124

Salt Lake CityChicago

SLC - MDW

SLCMDW

Salt Lake City

Wed 3/12

3:07 pm-12:17 am

1 stop8h 10m

Chicago Midway

Mon 3/17

8:44 pm-8:30 am

1 stop12h 46m

$125

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Tue 4/15

2:36 pm-6:33 am

1 stop14h 57m

Chicago O'Hare Intl

Tue 4/22

8:00 am-1:29 pm

1 stop6h 29m

$138

DenverChicago

DEN - ORD

DENORD

Denver Intl

Wed 5/7

1:45 pm-5:31 pm

Nonstop2h 46m

Chicago O'Hare Intl

Sat 5/10

9:20 pm-11:08 pm

Nonstop2h 48m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

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.

Travel insights for flights from Wyoming to Illinois

Get recent, data-driven insights about flights from Wyoming to Illinois including ideal travel times, pricing trends, and more.

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.

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 February 20, 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.

Weekly flight availability from Wyoming to Illinois

Explore weekly flight availability from Wyoming to Illinois. 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 February 20, 2025.

The most flights from USWY to USIL are scheduled on a Monday (5 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

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 February 20, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Crew

8.7

Entertainment

7.6

Boarding

8.2

Comfort

8.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 $34. Users have also found prices from $78 and $80 on Spirit 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 $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

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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$275Average$472FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$331Average$421FlexibilityNo cancel feeOn-time71%
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