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Cheap flights from Illinois to Casper from $318

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Casper

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 8:59 amORD  Chicago O'Hare Intl-CPR Casper Natrona County
4h 59m1 stop Denver Intl
United Airlines Logo
3:11 pm - 9:18 pmCPR  Casper Natrona County-ORD Chicago O'Hare Intl
5h 07m1 stop Denver Intl
$318United Airlines
Fri, Oct 9 - Sat, Oct 10
United Airlines Logo
5:00 am - 8:59 amORD  Chicago O'Hare Intl-CPR Casper Natrona County
4h 59m1 stop Denver Intl
United Airlines Logo
1:20 pm - 8:20 pmCPR  Casper Natrona County-ORD Chicago O'Hare Intl
6h 00m1 stop Denver Intl
$318United Airlines
Thu, Oct 15 - Sat, Oct 17
United Airlines Logo
5:00 am - 8:59 amORD  Chicago O'Hare Intl-CPR Casper Natrona County
4h 59m1 stop Denver Intl
United Airlines Logo
3:11 pm - 9:18 pmCPR  Casper Natrona County-ORD Chicago O'Hare Intl
5h 07m1 stop Denver Intl
$318United Airlines
Thu, Sep 24 - Mon, Sep 28
United Airlines Logo
5:00 am - 10:48 amORD  Chicago O'Hare Intl-CPR Casper Natrona County
6h 48m1 stop Denver Intl
United Airlines Logo
6:00 pm - 11:59 pmCPR  Casper Natrona County-ORD Chicago O'Hare Intl
4h 59m1 stop Denver Intl
$318United Airlines
Thu, Sep 24 - Mon, Sep 28
United Airlines Logo
5:00 am - 10:48 amORD  Chicago O'Hare Intl-CPR Casper Natrona County
6h 48m1 stop Denver Intl
United Airlines Logo
6:00 pm - 11:59 pmCPR  Casper Natrona County-ORD Chicago O'Hare Intl
4h 59m1 stop Denver Intl
$347United Airlines
Sun, Sep 27 - Sun, Oct 4
United Airlines Logo
5:51 pm - 9:59 pmORD  Chicago O'Hare Intl-CPR Casper Natrona County
5h 08m1 stop Denver Intl
United Airlines Logo
6:00 pm - 11:59 pmCPR  Casper Natrona County-ORD Chicago O'Hare Intl
4h 59m1 stop Denver Intl
$368United Airlines
Sat, Sep 12 - Wed, Sep 16
United Airlines Logo
5:10 am - 8:59 amSTL  Lambert-St Louis-CPR Casper Natrona County
4h 49m1 stop Denver Intl
United Airlines Logo
6:00 pm - 11:44 pmCPR  Casper Natrona County-STL Lambert-St Louis
4h 44m1 stop Denver Intl
$374United Airlines
Sun, Sep 27 - Sun, Oct 4
United Airlines Logo
3:00 pm - 6:37 pmSTL  Lambert-St Louis-CPR Casper Natrona County
4h 37m1 stop Denver Intl
United Airlines Logo
3:15 pm - 8:59 pmCPR  Casper Natrona County-STL Lambert-St Louis
4h 44m1 stop Denver Intl
$388United Airlines
Sat, Feb 6 - Wed, Feb 10
United Airlines Logo
9:13 am - 2:40 pmSTL  Lambert-St Louis-CPR Casper Natrona County
6h 27m1 stop Denver Intl
United Airlines Logo
10:30 am - 8:59 pmCPR  Casper Natrona County-STL Lambert-St Louis
9h 29m1 stop Denver Intl
$388United Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
4:30 pm - 8:17 pmSTL  Lambert-St Louis-CPR Casper Natrona County
4h 47m1 stop Denver Intl
United Airlines Logo
3:15 pm - 8:59 pmCPR  Casper Natrona County-STL Lambert-St Louis
4h 44m1 stop Denver Intl
$388United Airlines
Sat, Jan 23 - Wed, Jan 27

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United Airlines flights from Illinois to Casper

Our best United Airlines deals on Illinois to Casper flight tickets
United Airlines
Sep 24
ORD5:00 amChicago O'Hare Intl
4h 59m
1 stop
CPR8:59 amCasper Natrona County
Sep 28
CPR3:11 pmCasper Natrona County
5h 07m
1 stop
ORD9:18 pmChicago O'Hare Intl
$318
United Airlines
Sep 27
ORD5:00 amChicago O'Hare Intl
6h 48m
1 stop
CPR10:48 amCasper Natrona County
Oct 4
CPR6:00 pmCasper Natrona County
4h 59m
1 stop
ORD11:59 pmChicago O'Hare Intl
$347
United Airlines
Sep 12
ORD5:51 pmChicago O'Hare Intl
5h 08m
1 stop
CPR9:59 pmCasper Natrona County
Sep 16
CPR6:00 pmCasper Natrona County
4h 59m
1 stop
ORD11:59 pmChicago O'Hare Intl
$368

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCasper

ORD Chicago O'Hare Intl - CPR Casper Natrona County

ORDCPR

Chicago O'Hare Intl

Fri 10/9

5:00 am-8:59 am

1 stop4h 59m

Casper Natrona County

Sat 10/10

3:11 pm-9:18 pm

1 stop5h 07m

$318

ChicagoCasper

ORD Chicago O'Hare Intl - CPR Casper Natrona County

ORDCPR

Chicago O'Hare Intl

Thu 10/15

5:00 am-8:59 am

1 stop4h 59m

Casper Natrona County

Sat 10/17

1:20 pm-8:20 pm

1 stop6h 00m

$318

ChicagoCasper

ORD Chicago O'Hare Intl - CPR Casper Natrona County

ORDCPR

Chicago O'Hare Intl

Thu 9/24

5:00 am-8:59 am

1 stop4h 59m

Casper Natrona County

Mon 9/28

3:11 pm-9:18 pm

1 stop5h 07m

$318

ChicagoCasper

ORD Chicago O'Hare Intl - CPR Casper Natrona County

ORDCPR

Chicago O'Hare Intl

Thu 9/24

5:00 am-10:48 am

1 stop6h 48m

Casper Natrona County

Mon 9/28

6:00 pm-11:59 pm

1 stop4h 59m

$318

ChicagoCasper

ORD Chicago O'Hare Intl - CPR Casper Natrona County

ORDCPR

Chicago O'Hare Intl

Sun 9/27

5:00 am-10:48 am

1 stop6h 48m

Casper Natrona County

Sun 10/4

6:00 pm-11:59 pm

1 stop4h 59m

$347

ChicagoCasper

ORD Chicago O'Hare Intl - CPR Casper Natrona County

ORDCPR

Chicago O'Hare Intl

Sat 9/12

5:51 pm-9:59 pm

1 stop5h 08m

Casper Natrona County

Wed 9/16

6:00 pm-11:59 pm

1 stop4h 59m

$368

St. LouisCasper

STL Lambert-St Louis - CPR Casper Natrona County

STLCPR

Lambert-St Louis

Sun 9/27

5:10 am-8:59 am

1 stop4h 49m

Casper Natrona County

Sun 10/4

6:00 pm-11:44 pm

1 stop4h 44m

$374
Quickest round-trip

St. LouisCasper

STL Lambert-St Louis - CPR Casper Natrona County

STLCPR

Lambert-St Louis

Sat 2/6

3:00 pm-6:37 pm

1 stop4h 37m

Casper Natrona County

Wed 2/10

3:15 pm-8:59 pm

1 stop4h 44m

$388

St. LouisCasper

STL Lambert-St Louis - CPR Casper Natrona County

STLCPR

Lambert-St Louis

Sat 1/23

9:13 am-2:40 pm

1 stop6h 27m

Casper Natrona County

Wed 1/27

10:30 am-8:59 pm

1 stop9h 29m

$388

St. LouisCasper

STL Lambert-St Louis - CPR Casper Natrona County

STLCPR

Lambert-St Louis

Sat 1/23

4:30 pm-8:17 pm

1 stop4h 47m

Casper Natrona County

Wed 1/27

3:15 pm-8:59 pm

1 stop4h 44m

$388

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Illinois to Casper flight deals and tips

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

Best Price Found

$318

Fastest flight time

4h 37m

Direct flights

None
The best flight deal from Illinois to Casper found on momondo in the last 72 hours is $318
The fastest flight from Illinois to Casper takes 4h 37m
There are no direct flights from Illinois to Casper. There are no popular flight routes from Illinois to Casper.
Search flight deals

Frequently asked questions about flying from Illinois to Casper

  • When did momondo last update prices for flights from Illinois to Casper Natrona County Airport?

    Prices for flights from Illinois to Casper Natrona County Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Illinois to Casper Natrona County Airport?

  • How old do you have to be to fly from Illinois to Casper Natrona County Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Casper Natrona County Airport.

  • What documentation or ID do you need to fly to Casper Natrona County Airport?

    The travel and health documents you'll need for your trip to Casper Natrona County Airport 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 Casper Natrona County Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Illinois to Casper

Compare and see reviews for airlines that fly from Illinois to Casper with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $366Free CancellationRating
7.4
10,146 reviews
Search United Airlines flights

Frequently asked questions about flying from Illinois to Casper

  • How do I get Price Alerts for flights from Illinois to Casper?

    Price Alerts will notify you by email when the price for flights to Casper from Illinois decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Illinois to Casper with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Casper?

Book flights to Casper if you plan to visit one of these locations
Rawlins
Douglas
Evansville

Why use momondo?

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

It is quick and easy to find Illinois to Casper flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Casper that suits you.

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

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

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

Once you have performed a search for Illinois to Casper flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Illinois to Casper now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Casper and let you know when they change.

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