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Wyoming

$58+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — JAC
may. 5 — may. 121
lun. 5/5
lun. 5/12
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 abril 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$96
(Cheapflightsfares)

One-way from

$71
(Cheapflightsfares)

Popular in

February

Cheapest in

April

Average price

$425

Good round-trip deal

$427 or less

Good one-way deal

$282 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 ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($6 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 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 abril 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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.
mié. 5/287:55 pmSTL - DEN
Nonstop2h 32mFrontier
mié. 6/47:00 amDEN - STL
Nonstop2h 08mFrontier
Deal found 4/28$96
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 7/275:40 amORD - DEN
Nonstop2h 50mFrontier
vie. 8/18:21 pmDEN - ORD
Nonstop2h 38mFrontier
Deal found 4/29$117
This Booking.com deal was found by Cheapflights users on 4/28. 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.
lun. 9/223:18 pmPIA - DEN
Nonstop2h 16mAllegiant Air
lun. 9/295:24 pmDEN - PIA
Nonstop2h 00mAllegiant Air
Deal found 4/28$122
This Southwest deal was found by Cheapflights users on 4/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/2812:40 pmORD - DEN
Nonstop2h 45mSouthwest
mié. 6/47:30 pmDEN - ORD
Nonstop2h 35mSouthwest
Deal found 4/29$151
This Southwest deal was found by Cheapflights users on 4/28. 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.
mié. 5/287:55 amMDW - DEN
Nonstop2h 40mSouthwest
mié. 6/47:25 pmDEN - MDW
Nonstop2h 25mSouthwest
Deal found 4/28$151
This Cheapflightsfares deal was found by Cheapflights users on 4/28. 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.
sáb. 5/242:44 pmMDW - DEN
Nonstop2h 49mFrontier
sáb. 5/315:26 pmDEN - MDW
Nonstop2h 27mFrontier
Deal found 4/28$156
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/309:45 pmORD - DEN
Nonstop2h 48mAmerican Airlines
mié. 6/412:19 pmDEN - ORD
Nonstop2h 32mAmerican Airlines
Deal found 4/29$165
This eDestinos deal was found by Cheapflights users on 4/29. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 6/137:30 pmORD - DEN
1 stop14h 01mMultiple Airlines
vie. 6/208:21 pmDEN - ORD
Nonstop2h 38mMultiple Airlines
Deal found 4/29$168
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/239:40 pmORD - DEN
Nonstop2h 50mUnited Airlines
mar. 5/278:50 pmDEN - ORD
Nonstop2h 35mUnited Airlines
Deal found 4/29$173
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/2211:50 amORD - SLC
1 stop8h 29mSpirit Airlines
dom. 5/258:14 pmSLC - ORD
1 stop8h 11mSpirit Airlines
Deal found 4/29$187
This CheapOair deal was found by Cheapflights users on 4/29. 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.
sáb. 5/312:44 pmMDW - SLC
1 stop10h 22mFrontier
mar. 6/37:30 amSLC - MDW
1 stop12h 23mFrontier
Deal found 4/29$201
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/169:05 amMLI - DEN
Nonstop2h 28mUnited Airlines
lun. 8/255:54 pmDEN - MLI
Nonstop2h 14mUnited Airlines
Deal found 4/29$209

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 abril 30, 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

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

mié. 5/28

7:55 pm-9:27 pm

Nonstop2h 32m

Denver Intl

mié. 6/4

7:00 am-10:08 am

Nonstop2h 08m

$96

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

jue. 5/29

6:00 am-8:02 am

Nonstop3h 02m

Denver Intl

lun. 6/2

8:22 pm-11:59 pm

Nonstop2h 37m

$115

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

lun. 9/22

3:18 pm-4:34 pm

Nonstop2h 16m

Denver Intl

lun. 9/29

5:24 pm-8:24 pm

Nonstop2h 00m

$122

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

mié. 5/28

12:40 pm-2:25 pm

Nonstop2h 45m

Denver Intl

mié. 6/4

7:30 pm-11:05 pm

Nonstop2h 35m

$151

ChicagoDenver

MDW - DEN

MDWDEN

Chicago Midway

mié. 5/28

7:55 am-9:35 am

Nonstop2h 40m

Denver Intl

mié. 6/4

7:25 pm-10:50 pm

Nonstop2h 25m

$151

ChicagoDenver

MDW - DEN

MDWDEN

Chicago Midway

sáb. 5/24

2:44 pm-4:33 pm

Nonstop2h 49m

Denver Intl

sáb. 5/31

5:26 pm-8:53 pm

Nonstop2h 27m

$156

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

vie. 6/6

6:25 pm-8:14 pm

Nonstop2h 49m

Denver Intl

mié. 6/11

7:21 am-11:01 am

Nonstop2h 40m

$173

ChicagoDenver

ORD - DEN

ORDDEN

Chicago O'Hare Intl

jue. 6/5

5:02 am-6:45 am

Nonstop2h 43m

Denver Intl

dom. 6/8

8:50 pm-12:25 am

Nonstop2h 35m

$187

ChicagoSalt Lake City

ORD - SLC

ORDSLC

Chicago O'Hare Intl

jue. 5/22

11:50 am-7:19 pm

1 stop8h 29m

Salt Lake City

dom. 5/25

8:14 pm-5:25 am

1 stop8h 11m

$187

ChicagoSalt Lake City

MDW - SLC

MDWSLC

Chicago Midway

sáb. 5/31

2:44 pm-12:06 am

1 stop10h 22m

Salt Lake City

mar. 6/3

7:30 am-8:53 pm

1 stop12h 23m

$201

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

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 $657). 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 abril 30, 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 abril 30, 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
9,961 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,936 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,406 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    $71 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on United Airlines and Southwest, with prices starting from $76 and $76, 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 $657). 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 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 abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$231Average$489FlexibilityNo cancel feeOn-time69%
DeltaCheapest$308Average$413FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$355Average$620FlexibilityNo cancel feeOn-time71%

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