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Cheap flights from Wyoming to Illinois from $40

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Wyoming to Illinois departing on 4/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Wyoming to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
4:20 pm - 7:32 pm
DEN
-
STL
2h 12mnonstop
Frontier Logo
9:55 pm - 3:59 am
STL
-
DEN
7h 04m
1 stop
$105Frontier
za, apr. 18 - do, apr. 23
Frontier Logo
6:40 am - 9:48 am
DEN
-
STL
2h 08mnonstop
Frontier Logo
8:06 pm - 9:39 pm
STL
-
DEN
2h 33mnonstop
$107Frontier
za, apr. 11 - vr, apr. 17
Allegiant Air Logo
4:27 pm - 7:30 pm
DEN
-
PIA
2h 03mnonstop
Allegiant Air Logo
11:09 am - 12:32 pm
PIA
-
DEN
2h 23mnonstop
$153Allegiant Air
zo, mei. 24 - zo, mei. 31
Multiple Airlines Logo
2:37 pm - 11:29 am
DEN
-
MLI
19h 52m
1 stop
Multiple Airlines Logo
9:55 pm - 2:00 pm
MLI
-
DEN
17h 05m
1 stop
$215Multiple Airlines
wo, apr. 29 - ma, mei. 4
Multiple Airlines Logo
2:37 pm - 11:29 am
DEN
-
MLI
19h 52m
1 stop
Multiple Airlines Logo
9:55 pm - 6:07 pm
MLI
-
DEN
21h 12m
2 stops
$228Multiple Airlines
wo, apr. 29 - ma, mei. 4
Allegiant Air Logo
4:24 pm - 7:34 pm
DEN
-
PIA
2h 10mnonstop
Allegiant Air Logo
10:52 am - 12:15 pm
PIA
-
DEN
2h 23mnonstop
$240Allegiant Air
zo, jul. 12 - do, jul. 16
United Airlines Logo
6:10 pm - 9:32 pm
DEN
-
MLI
2h 22mnonstop
United Airlines Logo
8:55 am - 10:33 am
MLI
-
DEN
2h 38mnonstop
$269United Airlines
wo, apr. 22 - wo, mei. 6
United Airlines Logo
5:55 pm - 9:19 pm
DEN
-
PIA
2h 24mnonstop
United Airlines Logo
5:35 pm - 11:59 pm
PIA
-
DEN
7h 24m
1 stop
$279United Airlines
vr, apr. 24 - ma, apr. 27
American Airlines Logo
5:14 pm - 11:13 pm
DEN
-
PIA
4h 59m
1 stop
American Airlines Logo
7:05 pm - 11:59 pm
PIA
-
DEN
5h 54m
1 stop
$289American Airlines
vr, mei. 1 - zo, mei. 3
American Airlines Logo
3:39 pm - 8:10 pm
JAC
-
ORD
3h 31mnonstop
American Airlines Logo
1:20 pm - 3:34 pm
ORD
-
JAC
3h 14mnonstop
$319American Airlines
wo, jul. 29 - ma, aug. 3

Frontier flights from Wyoming to Illinois

Our best Frontier deals on Wyoming to Illinois flight tickets
Frontier
Apr 18
DEN4:20 pmDenver Intl
2h 12m
STL7:32 pmLambert-St Louis
Apr 23
STL9:55 pmLambert-St Louis
7h 04m
1 stop
DEN3:59 amDenver Intl
$105
Frontier
Apr 11
DEN6:40 amDenver Intl
2h 08m
STL9:48 amLambert-St Louis
Apr 17
STL8:06 pmLambert-St Louis
2h 33m
DEN9:39 pmDenver Intl
$107
Frontier
May 4
DEN4:20 pmDenver Intl
2h 12m
STL7:32 pmLambert-St Louis
May 8
STL8:08 pmLambert-St Louis
2h 33m
DEN9:41 pmDenver Intl
$108

Delta flights from Wyoming to Illinois

Our best Delta deals on Wyoming to Illinois flight tickets
Delta
May 15
DEN12:55 amDenver Intl
6h 48m
1 stop
MDW8:43 amChicago Midway
May 16
MDW1:59 pmChicago Midway
7h 16m
1 stop
DEN8:15 pmDenver Intl
$237
Delta
Apr 23
DEN6:10 amDenver Intl
5h 33m
1 stop
MDW12:43 pmChicago Midway
Apr 25
MDW9:27 amChicago Midway
5h 30m
1 stop
DEN1:57 pmDenver Intl
$241
Delta
Apr 15
DEN6:10 amDenver Intl
5h 33m
1 stop
MDW12:43 pmChicago Midway
Apr 22
MDW1:24 pmChicago Midway
4h 57m
1 stop
DEN5:21 pmDenver Intl
$279

momondo 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, momondo users made 832,500 searches. Data last updated april 2, 2026.
Use the filters below to find and compare flights from Wyoming to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

za 4/18

4:20 pm-7:32 pm

Nonstop2h 12m

Lambert-St Louis

do 4/23

9:55 pm-3:59 am

1 stop7h 04m

$105

DenverSt. Louis

DEN - STL

DENSTL

Denver Intl

za 4/11

6:40 am-9:48 am

Nonstop2h 08m

Lambert-St Louis

vr 4/17

8:06 pm-9:39 pm

Nonstop2h 33m

$107
Quickest round-trip

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

zo 5/24

4:27 pm-7:30 pm

Nonstop2h 03m

Greater Peoria

zo 5/31

11:09 am-12:32 pm

Nonstop2h 23m

$153

DenverMoline

DEN - MLI

DENMLI

Denver Intl

wo 4/29

2:37 pm-11:29 am

1 stop19h 52m

Moline Quad-City

ma 5/4

9:55 pm-2:00 pm

1 stop17h 05m

$215

DenverMoline

DEN - MLI

DENMLI

Denver Intl

wo 4/29

2:37 pm-11:29 am

1 stop19h 52m

Moline Quad-City

ma 5/4

9:55 pm-6:07 pm

2 stops21h 12m

$228

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

zo 7/12

4:24 pm-7:34 pm

Nonstop2h 10m

Greater Peoria

do 7/16

10:52 am-12:15 pm

Nonstop2h 23m

$240

DenverMoline

DEN - MLI

DENMLI

Denver Intl

wo 4/22

6:10 pm-9:32 pm

Nonstop2h 22m

Moline Quad-City

wo 5/6

8:55 am-10:33 am

Nonstop2h 38m

$269

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

vr 4/24

5:55 pm-9:19 pm

Nonstop2h 24m

Greater Peoria

ma 4/27

5:35 pm-11:59 pm

1 stop7h 24m

$279

DenverPeoria

DEN - PIA

DENPIA

Denver Intl

vr 5/1

5:14 pm-11:13 pm

1 stop4h 59m

Greater Peoria

zo 5/3

7:05 pm-11:59 pm

1 stop5h 54m

$289

JacksonChicago

JAC - ORD

JACORD

Jackson Hole

wo 7/29

3:39 pm-8:10 pm

Nonstop3h 31m

Chicago O'Hare Intl

ma 8/3

1:20 pm-3:34 pm

Nonstop3h 14m

$319

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Wyoming to Illinois

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 day to depart on your flight to Illinois?

The cheapest day to depart from Wyoming to Illinois is on a Wednesday when prices can be found for as low as $447. Flights from Wyoming to Illinois on a Sunday will generally be more expensive and average around $734. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is at noon. Flights from Wyoming to Illinois during this time can be as low as $462. Flights in the morning are often more expensive with an average ticket price of $536.

What is the cheapest Wyoming to Illinois flight route?

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

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

There are 4 cabin classes available to choose from on Wyoming to Illinois 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 Wyoming to Illinois flights?

You could potentially save up to 37% on your flight if you consider stops on a Wyoming to Illinois flight.

Cheap Wyoming to Illinois flight deals and tips

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

Best Price Found

$282

Fastest flight time

1h 58m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Wyoming in the past 72 hours is $282. The best round-trip flight deal from Wyoming to Illinois found on momondo in the last 72 hours is $413.
The fastest flight from Wyoming to Illinois takes 1h 58m
Direct flights go from Wyoming to Illinois every day.
There are 98 airports in Illinois. From Wyoming there are direct flights to Greater Peoria (PIA), Lambert-St Louis (STL), Moline Quad-City (MLI).
Search flight deals

Frequently asked questions about flying from Wyoming to Illinois

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Wyoming to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Wyoming to Illinois

Compare and see reviews for airlines that fly from Wyoming to Illinois with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $191Free CancellationRating
7.1
11,549 reviews
Search American Airlines flights
United AirlinesPriceFrom $281Free CancellationRating
7.4
9,533 reviews
Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Wyoming to Illinois. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Illinois from Wyoming which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Wyoming.

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

Yes momondo offers price alerts on flights to Illinois from Wyoming. 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.

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za 5/2
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