What is the cheapest airline that flies from Illinois to Wyoming?

Frontier, Southwest, and United Airlines are the most popular carriers operating from Illinois to Wyoming

How long is the flight from Illinois to Wyoming?

On average, it takes 5h 37m to fly from Illinois to Wyoming if you fly out of Chicago (the most popular airport in Illinois) and into Jackson (the most popular airport in Wyoming). If you’re flying out of Peoria and into Jackson, then the flight time is around 7h 34m.

What airlines fly to Wyoming?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Wyoming from Illinois according to our data. American Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Wyoming. Keep in mind that there are 3 different airlines that fly to Wyoming on a routine basis, so you have a few additional options to choose from.

How many flights depart from Illinois to Wyoming on average per day?

As of September 2025, there are 113 flights per day flying from Illinois to Wyoming. The most common time of day flights depart is 4:00PM, with 61% of flights taking off in the afternoon.

How many flights depart from Illinois to Wyoming on average per week?

As of September 2025, 797 flights take off from Illinois and land in Wyoming each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.

When did momondo last update prices for flights from Illinois to Wyoming?

Prices for flights from Illinois to Wyoming were last updated today.

How many operators does momondo search for flights from Illinois to Wyoming?

As of September 2025, there are 7 operators available to choose from for flights from Illinois to Wyoming.

How old do you have to be to fly from Illinois to Wyoming?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Wyoming.

What documentation or ID do you need to fly to Wyoming?

The travel and health documents you'll need for your trip to Wyoming may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Wyoming. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$47 Cheap Flights from Illinois to Wyoming in 2025/26

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Find the cheapest flights from Illinois to Wyoming

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

7:52 pm - 9:20 pmSTL-DEN

2h 28mnonstop

6:00 am - 9:07 amDEN-STL

2h 07mnonstop

$81Frontier

Find Deal

Sat, Oct 11 - Mon, Oct 13

7:52 pm - 9:20 pmSTL-DEN

2h 28mnonstop

6:00 am - 9:07 amDEN-STL

2h 07mnonstop

$82Frontier

Find Deal

Fri, Oct 24 - Mon, Oct 27

3:35 pm - 5:00 pmPIA-DEN

2h 25mnonstop

2:24 pm - 5:21 pmDEN-PIA

1h 57mnonstop

$129Allegiant Air

Find Deal

Fri, Nov 7 - Mon, Nov 10

3:18 pm - 4:34 pmPIA-DEN

2h 16mnonstop

6:41 pm - 9:32 pmDEN-PIA

1h 51mnonstop

$135Allegiant Air

Find Deal

Mon, Sep 29 - Fri, Oct 3

4:29 pm - 11:09 pmMLI-DEN

7h 40m1 stop

5:32 pm - 11:50 pmDEN-MLI

5h 18m1 stop

$199American Airlines

Find Deal

Sat, Oct 11 - Wed, Oct 15

6:36 am - 12:34 pmPIA-DEN

6h 58m1 stop

4:00 pm - 12:22 amDEN-PIA

7h 22m1 stop

$204American Airlines

Find Deal

Wed, Oct 22 - Mon, Oct 27

8:52 am - 10:34 amMLI-DEN

2h 42mnonstop

5:47 pm - 9:01 pmDEN-MLI

2h 14mnonstop

$209United Airlines

Find Deal

Fri, Nov 14 - Tue, Nov 18

1:20 pm - 8:04 pmPIA-DEN

7h 44m1 stop

5:45 pm - 8:56 pmDEN-PIA

2h 11mnonstop

$219United Airlines

Find Deal

Tue, Oct 28 - Tue, Nov 4

4:59 pm - 11:59 pmMLI-DEN

8h 00m1 stop

2:57 pm - 10:20 pmDEN-MLI

6h 23m1 stop

$249Delta

Find Deal

Fri, Oct 3 - Tue, Oct 7

7:50 am - 2:47 pmORD-JAC

7h 57m1 stop

7:20 am - 4:52 pmJAC-ORD

8h 32m2 stops

$274Delta

Find Deal

Sat, Nov 8 - Sat, Nov 15

Frontier flights from Illinois to Wyoming

Our best Frontier deals on Illinois to Wyoming flight tickets

Frontier

Oct 11

STL7:52 pmLambert-St Louis

2h 28m

DEN9:20 pmDenver Intl

Oct 13

DEN6:00 amDenver Intl

2h 07m

STL9:07 amLambert-St Louis

$81

Find similar

Frontier

Oct 24

STL7:52 pmLambert-St Louis

2h 28m

DEN9:20 pmDenver Intl

Oct 27

DEN6:00 amDenver Intl

2h 07m

STL9:07 amLambert-St Louis

$82

Find similar

Frontier

Oct 7

STL7:52 pmLambert-St Louis

2h 28m

DEN9:20 pmDenver Intl

Oct 8

DEN6:00 amDenver Intl

2h 07m

STL9:07 amLambert-St Louis

$83

Find similar

United Airlines flights from Illinois to Wyoming

Our best United Airlines deals on Illinois to Wyoming flight tickets

United Airlines

Nov 14

MLI8:52 amMoline Quad-City

2h 42m

DEN10:34 amDenver Intl

Nov 18

DEN5:47 pmDenver Intl

2h 14m

MLI9:01 pmMoline Quad-City

$209

Find similar

United Airlines

Oct 28

PIA1:20 pmGreater Peoria

7h 44m

1 stop

DEN8:04 pmDenver Intl

Nov 4

DEN5:45 pmDenver Intl

2h 11m

PIA8:56 pmGreater Peoria

$219

Find similar

United Airlines

Oct 2

MLI6:45 pmMoline Quad-City

5h 45m

1 stop

DEN11:30 pmDenver Intl

Oct 7

DEN5:40 pmDenver Intl

2h 14m

MLI8:54 pmMoline Quad-City

$229

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Sat 10/11

7:52 pm-9:20 pm

Nonstop2h 28m

Denver Intl

Mon 10/13

6:00 am-9:07 am

Nonstop2h 07m

$81

St. LouisDenver

STL - DEN

STLDEN

Lambert-St Louis

Fri 10/24

7:52 pm-9:20 pm

Nonstop2h 28m

Denver Intl

Mon 10/27

6:00 am-9:07 am

Nonstop2h 07m

$82

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Fri 11/7

3:35 pm-5:00 pm

Nonstop2h 25m

Denver Intl

Mon 11/10

2:24 pm-5:21 pm

Nonstop1h 57m

$129

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Mon 9/29

3:18 pm-4:34 pm

Nonstop2h 16m

Denver Intl

Fri 10/3

6:41 pm-9:32 pm

Nonstop1h 51m

$135

MolineDenver

MLI - DEN

MLIDEN

Moline Quad-City

Sat 10/11

4:29 pm-11:09 pm

1 stop7h 40m

Denver Intl

Wed 10/15

5:32 pm-11:50 pm

1 stop5h 18m

$199

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Wed 10/22

6:36 am-12:34 pm

1 stop6h 58m

Denver Intl

Mon 10/27

4:00 pm-12:22 am

1 stop7h 22m

$204

MolineDenver

MLI - DEN

MLIDEN

Moline Quad-City

Fri 11/14

8:52 am-10:34 am

Nonstop2h 42m

Denver Intl

Tue 11/18

5:47 pm-9:01 pm

Nonstop2h 14m

$209

PeoriaDenver

PIA - DEN

PIADEN

Greater Peoria

Tue 10/28

1:20 pm-8:04 pm

1 stop7h 44m

Denver Intl

Tue 11/4

5:45 pm-8:56 pm

Nonstop2h 11m

$219

MolineDenver

MLI - DEN

MLIDEN

Moline Quad-City

Fri 10/3

4:59 pm-11:59 pm

1 stop8h 00m

Denver Intl

Tue 10/7

2:57 pm-10:20 pm

1 stop6h 23m

$249

ChicagoJackson

ORD - JAC

ORDJAC

Chicago O'Hare Intl

Sat 11/8

7:50 am-2:47 pm

1 stop7h 57m

Jackson Hole

Sat 11/15

7:20 am-4:52 pm

2 stops8h 32m

$274

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Wyoming

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Wyoming?

The cheapest month to fly to Wyoming from Illinois is in April. Flight prices, which tend to average around $392, are often lower during this time because this is during the off-season. If you aren’t able to travel to Wyoming during the month of April, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $416.

What is the cheapest day to depart on your flight to Wyoming?

The cheapest day to depart from Illinois to Wyoming is on a Friday. Travelers who choose to depart for Wyoming on a Friday will often find tickets for as low as $476. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Wyoming for around $569.

What is the cheapest time of day to depart on your flight to Wyoming?

Our most recent data shows that the best time of day to fly to Wyoming is at noon. Flights from Illinois to Wyoming during this time can be as low as $470. In the morning is when there is more demand to fly to Wyoming, so prices are often more expensive at around $527 per ticket.

What is the cheapest Illinois to Wyoming flight route?

Fly from Chicago O'Hare Intl to Jackson Hole for the best Illinois - Wyoming flight prices

How far in advance should I book a flight to Wyoming?

You are more likely to see cheaper flights to Wyoming from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Wyoming for around $496 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Wyoming from Illinois for as low as $407 on momondo.

What cabin class options are available on Illinois to Wyoming flights?

There are 4 cabin classes available to choose from on Illinois to Wyoming flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Wyoming flights?

You could potentially save up to 41% on your flight if you consider stops on a Illinois to Wyoming flight.

Cheap Illinois to Wyoming flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Wyoming

Best Price Found	$250
Fastest flight time	2h 15m
Direct flights	Every day
Airports in Wyoming	1 airport

The best one-way flight to Wyoming from Illinois in the past 72 hours is $250. The best round-trip flight deal from Illinois to Wyoming found on momondo in the last 72 hours is $372.

The fastest flight from Illinois to Wyoming takes 2h 15m

Direct flights go from Illinois to Wyoming every day.

There is 1 airport near Wyoming: Denver Intl (DEN)

Search flight deals

When did momondo last update prices for flights from Illinois to Wyoming?
Prices for flights from Illinois to Wyoming were last updated today.
How many operators does momondo search for flights from Illinois to Wyoming?
As of September 2025, there are 7 operators available to choose from for flights from Illinois to Wyoming.
How old do you have to be to fly from Illinois to Wyoming?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Wyoming.
What documentation or ID do you need to fly to Wyoming?
The travel and health documents you'll need for your trip to Wyoming may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Wyoming. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Illinois to Wyoming?
Based on momondo bookings for flights between Illinois and Wyoming, the leading plane model is Boeing 737-700, making up 53.79% of the total bookings. Other popular models include Airbus A319 with 41.32%, Boeing 737-800 with 1.71%, and Boeing 737 MAX 8 with 0.49%.

Best airlines flying from Illinois to Wyoming

Compare and see reviews for airlines that fly from Illinois to Wyoming with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $211	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
American Airlines	PriceFrom $289	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $293	Free Cancellation	Rating 7.9 7,964 reviews	Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Wyoming?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Wyoming. momondo saves you time and could save you money on your trip.

Can I find flights from Illinois to Wyoming with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Wyoming flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Wyoming?

momondo helps you find the best flight between Illinois and Wyoming by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Illinois to Wyoming right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Wyoming from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Wyoming trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Wyoming

Popular cities in Wyoming

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Cheap flights from Illinois to Wyoming from $47

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Wyoming departing on 11/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Find the cheapest flights from Illinois to Wyoming

Cheap round-trip flights

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Cheap last minute flights

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Frontier flights from Illinois to Wyoming

Our best Frontier deals on Illinois to Wyoming flight tickets

United Airlines flights from Illinois to Wyoming

Our best United Airlines deals on Illinois to Wyoming flight tickets

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Use the filters below to find and compare flights from Illinois to Wyoming that are best for you.

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How to get the cheapest flight ticket from Illinois to Wyoming

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Wyoming?

What is the cheapest day to depart on your flight to Wyoming?

What is the cheapest time of day to depart on your flight to Wyoming?

Our most recent data shows that the best time of day to fly to Wyoming is at noon. Flights from Illinois to Wyoming during this time can be as low as $470. In the morning is when there is more demand to fly to Wyoming, so prices are often more expensive at around $527 per ticket.

What is the cheapest Illinois to Wyoming flight route?

Fly from Chicago O'Hare Intl to Jackson Hole for the best Illinois - Wyoming flight prices

How far in advance should I book a flight to Wyoming?

What cabin class options are available on Illinois to Wyoming flights?

There are 4 cabin classes available to choose from on Illinois to Wyoming flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to Wyoming flights?

You could potentially save up to 41% on your flight if you consider stops on a Illinois to Wyoming flight.

What is the cheapest airline that flies from Illinois to Wyoming?

Frontier, Southwest, and United Airlines are the most popular carriers operating from Illinois to Wyoming

What airlines fly to Wyoming?

How many flights depart from Illinois to Wyoming on average per day?

As of September 2025, there are 113 flights per day flying from Illinois to Wyoming. The most common time of day flights depart is 4:00PM, with 61% of flights taking off in the afternoon.

How many flights depart from Illinois to Wyoming on average per week?

As of September 2025, 797 flights take off from Illinois and land in Wyoming each week. The most common flight departure day for this route is Wed, with 16% of weekly flights taking off on this day.

How long is the flight from Illinois to Wyoming?

On average, it takes 5h 37m to fly from Illinois to Wyoming if you fly out of Chicago (the most popular airport in Illinois) and into Jackson (the most popular airport in Wyoming). If you’re flying out of Peoria and into Jackson, then the flight time is around 7h 34m.

Cheap Illinois to Wyoming flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Wyoming

Best Price Found

Fastest flight time

Direct flights

Airports in Wyoming

When did momondo last update prices for flights from Illinois to Wyoming?

How many operators does momondo search for flights from Illinois to Wyoming?

How old do you have to be to fly from Illinois to Wyoming?

What documentation or ID do you need to fly to Wyoming?

What is the most popular plane model from Illinois to Wyoming?

Best airlines flying from Illinois to Wyoming

Compare and see reviews for airlines that fly from Illinois to Wyoming with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Wyoming?

Can I find flights from Illinois to Wyoming with flexible booking policies on momondo?

How can momondo help me find flights from Illinois to Wyoming?

I’m not ready to book a flight from Illinois to Wyoming right now. Can momondo alert me if prices change?

An easier way to manage your Wyoming trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Wyoming

Popular cities in Wyoming

Popular flights according to clicks in the last 7 days on momondo