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Illinois

$77+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
JAC — ORD
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
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 August 1, 2025.

Round-trip from

$109
(Mytrip)

One-way from

$77
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$532

Good round-trip deal

$458 or less

Good one-way deal

$312 or less
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. 7% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 1, 2025.

This Mytrip deal was found by Cheapflights users on 7/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:31 pmDEN - PIA
Nonstop2h 00mAllegiant Air
Mon 8/184:16 pmPIA - DEN
Nonstop2h 25mAllegiant Air
Deal found 7/31$109
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:00 amDEN - STL
Nonstop2h 11mFrontier
Fri 8/227:54 pmSTL - DEN
Nonstop2h 29mFrontier
Deal found 7/31$123
This FlightHub deal was found by Cheapflights users on 7/30. 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.
Wed 8/275:50 pmDEN - ORD
Nonstop2h 52mFrontier
Sat 8/307:00 amORD - DEN
Nonstop2h 53mFrontier
Deal found 7/30$130
This FlightHub deal was found by Cheapflights users on 7/30. 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 8/299:00 pmDEN - MDW
Nonstop2h 24mFrontier
Fri 9/54:48 pmMDW - DEN
Nonstop2h 38mFrontier
Deal found 7/30$132
This Southwest deal was found by Cheapflights users on 7/31. 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 9/305:50 amDEN - MDW
Nonstop2h 20mSouthwest
Wed 10/88:40 pmMDW - DEN
Nonstop2h 40mSouthwest
Deal found 7/31$157
This American Airlines deal was found by Cheapflights users on 7/30. 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 8/305:32 pmDEN - ORD
Nonstop2h 46mAmerican Airlines
Sun 8/3111:50 amORD - DEN
Nonstop2h 35mAmerican Airlines
Deal found 7/30$168
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:22 pmDEN - ORD
Nonstop2h 31mMultiple Airlines
Fri 10/106:39 pmORD - DEN
1 stop14h 45mMultiple Airlines
Deal found 7/31$173
This Southwest deal was found by Cheapflights users on 7/31. 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.
Sat 9/61:15 pmDEN - ORD
Nonstop2h 30mSouthwest
Tue 9/97:30 amORD - DEN
1 stop5h 35mSouthwest
Deal found 7/31$179
This CheapOair deal was found by Cheapflights users on 7/29. 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 8/273:02 pmSLC - ORD
1 stop12h 48mMultiple Airlines
Wed 9/37:20 amORD - SLC
1 stop5h 32mMultiple Airlines
Deal found 7/29$186
This American Airlines deal was found by Cheapflights users on 7/30. 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 9/135:06 pmDEN - STL
1 stop4h 44mAmerican Airlines
Sat 9/205:18 amSTL - DEN
1 stop5h 23mAmerican Airlines
Deal found 7/30$186
This Booking.com deal was found by Cheapflights users on 7/30. 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 8/133:02 pmSLC - ORD
1 stop12h 48mSpirit Airlines
Sat 8/166:00 amORD - SLC
1 stop8h 57mSpirit Airlines
Deal found 7/30$188
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:59 amDEN - STL
1 stop6h 45mDelta
Tue 10/71:30 pmSTL - DEN
1 stop7h 45mDelta
Deal found 7/31$197

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 August 1, 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 8/15

6:31 pm-9:31 pm

Nonstop2h 00m

Greater Peoria

Mon 8/18

4:16 pm-5:41 pm

Nonstop2h 25m

$109

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Fri 8/15

6:00 am-9:11 am

Nonstop2h 11m

Lambert-St Louis

Fri 8/22

7:54 pm-9:23 pm

Nonstop2h 29m

$123

DenverChicago

DEN - ORD

DENORD

Denver Intl

Wed 8/27

5:50 pm-9:42 pm

Nonstop2h 52m

Chicago O'Hare Intl

Sat 8/30

7:00 am-8:53 am

Nonstop2h 53m

$130

DenverChicago

DEN - MDW

DENMDW

Denver Intl

Fri 8/29

9:00 pm-12:24 am

Nonstop2h 24m

Chicago Midway

Fri 9/5

4:48 pm-6:26 pm

Nonstop2h 38m

$132

DenverChicago

DEN - MDW

DENMDW

Denver Intl

Tue 9/30

5:50 am-9:10 am

Nonstop2h 20m

Chicago Midway

Wed 10/8

8:40 pm-10:20 pm

Nonstop2h 40m

$157

DenverChicago

DEN - ORD

DENORD

Denver Intl

Sat 8/30

5:32 pm-9:18 pm

Nonstop2h 46m

Chicago O'Hare Intl

Sun 8/31

11:50 am-1:25 pm

Nonstop2h 35m

$168

DenverChicago

DEN - ORD

DENORD

Denver Intl

Wed 10/8

8:22 pm-11:53 pm

Nonstop2h 31m

Chicago O'Hare Intl

Fri 10/10

6:39 pm-8:24 am

1 stop14h 45m

$173

DenverChicago

DEN - ORD

DENORD

Denver Intl

Sat 9/6

1:15 pm-4:45 pm

Nonstop2h 30m

Chicago O'Hare Intl

Tue 9/9

7:30 am-12:05 pm

1 stop5h 35m

$179

Salt Lake CityChicago

SLC - ORD

SLCORD

Salt Lake City

Wed 8/27

3:02 pm-4:50 am

1 stop12h 48m

Chicago O'Hare Intl

Wed 9/3

7:20 am-11:52 am

1 stop5h 32m

$186

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

Sat 9/13

5:06 pm-10:50 pm

1 stop4h 44m

Lambert-St Louis

Sat 9/20

5:18 am-9:41 am

1 stop5h 23m

$186

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

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 $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 August 1, 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 August 1, 2025.

The most flights from USWY to USIL are scheduled on a Thursday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

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 August 1, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Wyoming to Illinois. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 $77. Users have also found prices from $79 and $79 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 $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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$289Average$404FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$296Average$402FlexibilityNo cancel feeOn-time69%

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