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$28+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
JAC — ORD
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap 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 December 16, 2025.

This Frontier deal was found by Cheapflights users on 12/15. 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.
Wed 12/318:45 pmDEN - ORD
Nonstop2h 27mFrontier
Fri 1/94:30 pmORD - DEN
Nonstop3h 01mFrontier
Deal found 12/15$103
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:45 pmDEN - ORD
Nonstop2h 27mMultiple Airlines
Wed 1/74:38 pmORD - DEN
1 stop9h 45mMultiple Airlines
Deal found 12/15$119
This Frontier deal was found by Cheapflights users on 12/15. 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.
Wed 12/318:45 pmDEN - ORD
Nonstop2h 27mFrontier
Mon 1/57:25 amORD - DEN
1 stop9h 45mFrontier
Deal found 12/15$120
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:45 pmDEN - ORD
Nonstop2h 27mMultiple Airlines
Tue 1/67:57 pmORD - DEN
1 stop16h 29mMultiple Airlines
Deal found 12/15$124
This Kiwi.com deal was found by Cheapflights users on 12/14. 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 12/318:45 pmDEN - ORD
Nonstop2h 27mFrontier
Sun 1/410:49 pmORD - DEN
1 stop30h 09mFrontier
Deal found 12/14$130
This Frontier deal was found by Cheapflights users on 12/15. 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 12/307:00 amDEN - MDW
1 stop5h 59mFrontier
Thu 1/812:41 pmMDW - DEN
1 stop9h 57mFrontier
Deal found 12/15$130
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:45 pmDEN - ORD
Nonstop2h 27mFrontier
Thu 1/88:35 amORD - DEN
2 stops12h 24mFrontier
Deal found 12/15$138
This Frontier deal was found by Cheapflights users on 12/15. 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.
Thu 12/258:45 pmDEN - ORD
Nonstop2h 27mFrontier
Fri 1/21:27 pmORD - DEN
1 stop11h 58mFrontier
Deal found 12/15$145
This Frontier deal was found by Cheapflights users on 12/15. 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 12/307:00 amDEN - MDW
1 stop5h 59mFrontier
Fri 1/93:05 pmMDW - DEN
Nonstop2h 49mFrontier
Deal found 12/15$145
This Frontier deal was found by Cheapflights users on 12/15. 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.
Thu 12/258:45 pmDEN - ORD
Nonstop2h 27mFrontier
Thu 1/17:00 amORD - DEN
Nonstop2h 56mFrontier
Deal found 12/15$153
This Frontier deal was found by Cheapflights users on 12/15. 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 12/307:00 amDEN - MDW
1 stop5h 59mFrontier
Tue 1/62:03 pmMDW - DEN
1 stop8h 32mFrontier
Deal found 12/15$163
This Cheapflightsfares deal was found by Cheapflights users on 12/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:54 pmDEN - PIA
Nonstop1h 57mAllegiant Air
Mon 1/53:38 pmPIA - DEN
Nonstop2h 26mAllegiant Air
Deal found 12/15$187

Find flight deals from Wyoming to Illinois

Keep the following information in mind while searching for Wyoming to Illinois flight deals. Data was last updated December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$89
(Mytrip)

One-way from

$28
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$529

Good round-trip deal

$433 or less

Good one-way deal

$259 or less
Provider with most accurate pricing for Jackson Hole-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Jackson Hole-Chicago (CHI) flights.
Search Deals
From Wyoming to Illinois
Search Deals
One-way flight from Wyoming to Illinois
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 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 Wyoming to Illinois.
Search Deals
Price to beat on a one-way flight from Wyoming to Illinois.
Search Deals

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 December 16, 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

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Tue 1/13

2:18 pm-2:48 pm

1 stop23h 30m

Lambert-St Louis

Mon 1/19

7:36 pm-12:34 am

1 stop5h 58m

$139

DenverChicago

DEN - ORD

DENORD

Denver Intl

Sun 1/18

6:00 am-9:44 am

Nonstop2h 44m

Chicago O'Hare Intl

Wed 2/18

9:15 pm-11:06 pm

Nonstop2h 51m

$157

DenverChicago

DEN - ORD

DENORD

Denver Intl

Thu 1/1

6:00 am-9:44 am

Nonstop2h 44m

Chicago O'Hare Intl

Sun 1/18

6:15 pm-8:13 pm

Nonstop2h 58m

$157

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Thu 1/15

6:12 pm-12:40 pm

1 stop17h 28m

Lambert-St Louis

Sun 1/18

10:09 pm-9:00 am

1 stop11h 51m

$174

Salt Lake CitySt. Louis

SLC - STL

SLCSTL

Salt Lake City

Mon 1/12

11:48 am-6:51 am

2 stops42h 03m

Lambert-St Louis

Mon 1/19

7:36 pm-12:34 am

1 stop5h 58m

$174

DenverChicago

DEN - ORD

DENORD

Denver Intl

Sat 1/17

11:20 am-2:55 pm

Nonstop2h 35m

Chicago O'Hare Intl

Mon 1/19

1:55 pm-3:52 pm

Nonstop2h 57m

$175

DenverChicago

DEN - ORD

DENORD

Denver Intl

Wed 12/31

6:00 am-9:44 am

Nonstop2h 44m

Chicago O'Hare Intl

Tue 1/6

7:10 am-8:55 am

Nonstop2h 45m

$176

DenverChicago

DEN - ORD

DENORD

Denver Intl

Tue 2/10

8:25 pm-11:59 pm

Nonstop2h 34m

Chicago O'Hare Intl

Tue 2/24

4:05 pm-6:03 pm

Nonstop2h 58m

$179

DenverChicago

DEN - MDW

DENMDW

Denver Intl

Thu 2/5

11:05 am-2:25 pm

Nonstop2h 20m

Chicago Midway

Tue 2/10

2:10 pm-3:50 pm

Nonstop2h 40m

$183

DenverChicago

DEN - ORD

DENORD

Denver Intl

Thu 1/8

9:40 am-1:24 pm

Nonstop2h 44m

Chicago O'Hare Intl

Tue 1/13

2:36 pm-4:34 pm

Nonstop2h 58m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

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, September is the cheapest month in which you can book a flight from Wyoming to Illinois (average of $197). Flying from Wyoming to Illinois in July is currently the most expensive (average of $447). 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 December 16, 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.

How much does it cost to fly round-trip from Wyoming to Illinois?

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 December 16, 2025.
Read reviews from past customers who have flown United Airlines and American Airlines from Wyoming to Illinois. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,092 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,092 reviews
United Airlines
7.4
Good
9,092 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,049 reviews
United Airlines
7.4
Good
9,092 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

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.

  • How long is the flight from Wyoming to Illinois?

    There are many flights that can get you from Wyoming to Illinois in 2h 20m. Fly via Frontier, United Airlines, or Southwest to get the fastest option. Wyoming and Illinois are separated by a distance of 893 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $380. Users have also found prices from $387 and $496 on TAP AIR PORTUGAL and Air Canada, 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, September is the cheapest month in which you can book a flight from Wyoming to Illinois (average of $197). Flying from Wyoming to Illinois in July is currently the most expensive (average of $447). 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$191Average$385FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$283Average$421FlexibilityNo cancel feeOn-time69%

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