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Wyoming

$45+ Cheap flights from Illinois to Wyoming

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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — JAC
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from Illinois to Wyoming

Keep the following information in mind while searching for Illinois to Wyoming flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$89
(Cheapflightsfares)

One-way from

$45
(Frontier)

Popular in

February

Cheapest in

April

Average price

$520

Good round-trip deal

$429 or less

Good one-way deal

$284 or less
Provider with most accurate pricing for Chicago (CHI)-Jackson Hole flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Jackson Hole flights.
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From Illinois to Wyoming
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One-way flight from Illinois to Wyoming
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Highest demand for flights based on searches. 3% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Illinois to Wyoming.
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Price to beat on a one-way flight from Illinois to Wyoming.
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Find flight deals from Illinois to Wyoming

Cheapest flights from Illinois to Wyoming
Explore the most affordable flight options available from Illinois to Wyoming. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 31, 2025.

This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/285:24 pmORD - DEN
Nonstop2h 57mFrontier
Mon 5/58:11 pmDEN - ORD
Nonstop2h 30mFrontier
Deal found 3/31$90
This Frontier deal was found by Cheapflights users on 3/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/88:03 pmMDW - DEN
Nonstop2h 53mFrontier
Mon 5/123:42 pmDEN - MDW
Nonstop2h 26mFrontier
Deal found 3/30$90
This Booking.com deal was found by Cheapflights users on 3/30. 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.
Fri 5/23:08 pmPIA - DEN
Nonstop2h 19mAllegiant Air
Mon 5/55:17 pmDEN - PIA
Nonstop2h 00mAllegiant Air
Deal found 3/30$92
This Cheapflightsfares deal was found by Cheapflights users on 3/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/38:15 pmSTL - DEN
Nonstop2h 33mFrontier
Sat 5/106:50 amDEN - STL
Nonstop2h 09mFrontier
Deal found 3/30$115
This Frontier deal was found by Cheapflights users on 3/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/115:07 pmORD - SLC
Nonstop3h 43mFrontier
Mon 4/148:50 pmSLC - ORD
Nonstop3h 09mFrontier
Deal found 3/30$136
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1012:34 pmORD - DEN
Nonstop2h 45mAmerican Airlines
Sat 5/171:45 pmDEN - ORD
Nonstop2h 46mAmerican Airlines
Deal found 3/31$159
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.
Wed 4/306:45 pmMDW - DEN
Nonstop2h 45mSouthwest
Wed 5/72:15 pmDEN - MDW
Nonstop2h 20mSouthwest
Deal found 3/31$159
This eDestinos deal was found by Cheapflights users on 3/30. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/247:15 pmORD - DEN
1 stop13h 02mMultiple Airlines
Mon 4/288:16 pmDEN - ORD
Nonstop2h 22mMultiple Airlines
Deal found 3/30$167
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/81:00 pmORD - DEN
Nonstop2h 55mUnited Airlines
Mon 5/128:57 pmDEN - ORD
Nonstop2h 32mUnited Airlines
Deal found 3/31$169
This Mytrip deal was found by Cheapflights users on 3/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/79:02 pmORD - SLC
1 stop23h 17mSpirit Airlines
Wed 5/148:14 pmSLC - ORD
1 stop8h 11mSpirit Airlines
Deal found 3/30$171
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.
Thu 6/57:30 amORD - DEN
2 stops9h 55mSouthwest
Tue 6/107:30 pmDEN - ORD
Nonstop2h 35mSouthwest
Deal found 3/31$175
This Southwest deal was found by Cheapflights users on 3/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/294:45 pmSTL - DEN
Nonstop2h 25mSouthwest
Tue 5/61:15 pmDEN - STL
Nonstop2h 00mSouthwest
Deal found 3/30$197

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Wyoming 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 March 31, 2025.
Use the filters below to find and compare flights from Illinois to Wyoming that are best for you.

Fly from

Illinois

Fly to

Wyoming

Route

Depart

Return

Price

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Mon 4/28

5:24 pm-7:21 pm

Nonstop2h 57m

Denver Intl

Mon 5/5

8:11 pm-11:41 pm

Nonstop2h 30m

$90

ChicagoDenver

MDW - DEN

MDWDEN

Chicago Midway

Thu 5/8

8:03 pm-9:56 pm

Nonstop2h 53m

Denver Intl

Mon 5/12

3:42 pm-7:08 pm

Nonstop2h 26m

$90

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Fri 5/2

3:08 pm-4:27 pm

Nonstop2h 19m

Denver Intl

Mon 5/5

5:17 pm-8:17 pm

Nonstop2h 00m

$92

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Wed 4/30

6:58 pm-8:29 pm

Nonstop2h 31m

Denver Intl

Wed 5/7

6:50 am-9:59 am

Nonstop2h 09m

$98

ChicagoSalt Lake City

ORD - SLC

ORDSLC

Chicago O'Hare Intl

Fri 4/11

5:07 pm-7:50 pm

Nonstop3h 43m

Salt Lake City

Mon 4/14

8:50 pm-12:59 am

Nonstop3h 09m

$136

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Sat 5/10

12:34 pm-2:19 pm

Nonstop2h 45m

Denver Intl

Wed 5/14

7:00 am-10:32 am

Nonstop2h 32m

$159

ChicagoDenver

MDW - DEN

MDWDEN

Chicago Midway

Wed 4/30

6:45 pm-8:30 pm

Nonstop2h 45m

Denver Intl

Wed 5/7

2:15 pm-5:35 pm

Nonstop2h 20m

$159

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Thu 4/24

7:15 pm-7:17 am

1 stop13h 02m

Denver Intl

Mon 4/28

8:16 pm-11:38 pm

Nonstop2h 22m

$167

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

Thu 5/8

1:00 pm-2:55 pm

Nonstop2h 55m

Denver Intl

Mon 5/12

8:57 pm-12:29 am

Nonstop2h 32m

$169

ChicagoSalt Lake City

ORD - SLC

ORDSLC

Chicago O'Hare Intl

Wed 5/7

9:02 pm-7:19 pm

1 stop23h 17m

Salt Lake City

Wed 5/14

8:14 pm-5:25 am

1 stop8h 11m

$171

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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

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

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

Currently, November is the cheapest month in which you can book a flight from Illinois to Wyoming (average of $467). Flying from Illinois to Wyoming in June is currently the most expensive (average of $675). 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 IL to WY?

Find hourly flight availability from Illinois to Wyoming. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 31, 2025.

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

Rainfall in Wyoming by month

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

In terms of precipitation, rainfall in Wyoming ranges from 0.9 - 1.8 inches per month. May is typically the wettest month, when rainfall can reach 1.8 in. July is typically the driest time to visit Wyoming when rainfall is around 0.9 in.

Temperature in Wyoming by month

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

If weather is an important factor for your trip to Wyoming, 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 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

Reviews of airlines servicing Wyoming

Get insights into the airlines that provide service to Wyoming. 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 Wyoming. Reviews last updated March 31, 2025.
Read through reviews of airlines operating flights from Illinois to Wyoming, such as Alaska Airlines, Southwest and Delta. 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
9,818 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

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
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

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
4,276 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

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
9,818 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

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
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

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
Allegiant Air
7.3
Good
731 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Entertainment

7.1

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

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 Illinois to Wyoming. 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 Illinois to Wyoming one-way?

    $45 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and United Airlines, with prices starting from $76 and $80, respectively.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Illinois to Wyoming (average of $467). Flying from Illinois to Wyoming in June is currently the most expensive (average of $675). 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 Illinois to Wyoming

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Illinois to Wyoming

Discover the top 3 airlines that operate flights from Illinois to Wyoming. 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$206Average$485FlexibilityNo cancel feeOn-time69%
DeltaCheapest$348Average$398FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$349Average$620FlexibilityNo cancel feeOn-time71%
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