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Cheap flights from Chicago O'Hare Intl Airport to Casper from $338

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Casper departing on 1/29. 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
0 bags

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Find the cheapest flights from Chicago O'Hare Intl Airport to Casper

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 10:53 am
ORD
-
CPR
4h 53m1 stop
United Airlines Logo
5:30 am - 1:22 pm
CPR
-
ORD
6h 52m1 stop
$338United Airlines
Thu, Jan 29 - Sat, Jan 31
United Airlines Logo
8:50 am - 7:06 pm
ORD
-
CPR
11h 16m2 stops
United Airlines Logo
9:00 am - 5:04 pm
CPR
-
ORD
7h 04m1 stop
$449United Airlines
Thu, Jan 29 - Sat, Jan 31
United Airlines Logo
2:31 pm - 10:25 pm
ORD
-
CPR
8h 54m1 stop
United Airlines Logo
6:10 pm - 11:25 am
CPR
-
ORD
16h 15m1 stop
$691United Airlines
Mon, Dec 29 - Sun, Jan 4
United Airlines Logo
7:58 pm - 4:59 pm
ORD
-
CPR
22h 01m2 stops
United Airlines Logo
1:22 pm - 11:00 pm
CPR
-
ORD
8h 38m1 stop
$737United Airlines
Sun, Dec 28 - Thu, Jan 1
United Airlines Logo
9:40 pm - 10:51 am
ORD
-
CPR
14h 11m1 stop
United Airlines Logo
11:26 am - 11:00 pm
CPR
-
ORD
10h 34m1 stop
$770United Airlines
Sun, Dec 28 - Thu, Jan 1

United Airlines flights from Chicago O'Hare Intl Airport to Casper

Our best United Airlines deals on Chicago O'Hare Intl Airport to Casper flight tickets
United Airlines
Jan 29
ORD7:00 amChicago O'Hare Intl
4h 53m
1 stop
CPR10:53 amCasper Natrona County
Jan 31
CPR5:30 amCasper Natrona County
6h 52m
1 stop
ORD1:22 pmChicago O'Hare Intl
$338
Find similar
United Airlines
Jan 29
ORD8:50 amChicago O'Hare Intl
11h 16m
2 stops
CPR7:06 pmCasper Natrona County
Jan 31
CPR9:00 amCasper Natrona County
7h 04m
1 stop
ORD5:04 pmChicago O'Hare Intl
$449
Find similar
United Airlines
Dec 26
ORD7:10 amChicago O'Hare Intl
10h 49m
1 stop
CPR4:59 pmCasper Natrona County
Jan 1
CPR1:22 pmCasper Natrona County
8h 38m
1 stop
ORD11:00 pmChicago O'Hare Intl
$624
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Casper 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 December 15, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Casper that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCasper

ORD - CPR

ORDCPR

Chicago O'Hare Intl

Thu 1/29

7:00 am-10:53 am

1 stop4h 53m

Casper Natrona County

Sat 1/31

5:30 am-1:22 pm

1 stop6h 52m

$338

ChicagoCasper

ORD - CPR

ORDCPR

Chicago O'Hare Intl

Thu 1/29

8:50 am-7:06 pm

2 stops11h 16m

Casper Natrona County

Sat 1/31

9:00 am-5:04 pm

1 stop7h 04m

$449

ChicagoCasper

ORD - CPR

ORDCPR

Chicago O'Hare Intl

Mon 12/29

2:31 pm-10:25 pm

1 stop8h 54m

Casper Natrona County

Sun 1/4

6:10 pm-11:25 am

1 stop16h 15m

$691

ChicagoCasper

ORD - CPR

ORDCPR

Chicago O'Hare Intl

Sun 12/28

7:58 pm-4:59 pm

2 stops22h 01m

Casper Natrona County

Thu 1/1

1:22 pm-11:00 pm

1 stop8h 38m

$737

ChicagoCasper

ORD - CPR

ORDCPR

Chicago O'Hare Intl

Sun 12/28

9:40 pm-10:51 am

1 stop14h 11m

Casper Natrona County

Thu 1/1

11:26 am-11:00 pm

1 stop10h 34m

$770

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Casper from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Casper

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 Casper?

The cheapest day to depart from Chicago O'Hare Intl Airport to Casper is on a Friday when prices can be found for as low as $391. The most expensive day to fly to Casper is Sunday, with ticket prices averaging around $702.

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

The cheapest time of day to fly to Casper is in the afternoon when flights can be purchased for as low as $390. Flights to Casper are more costly at noon, with an average ticket price of $563. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Chicago O'Hare Intl Airport to Casper

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Casper according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Casper (ORD to CPR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Casper

Fastest flight time

4h 53m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Casper takes 4h 53m
There are no direct flights from Chicago O'Hare Intl Airport to Casper. There are no popular flight routes from Chicago O'Hare Intl Airport to Casper.
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  • How far is Chicago O'Hare Intl to Casper Natrona County by plane?

    The distance between Chicago O'Hare Intl and Casper Natrona County is about 939.1 mi. By plane, this route typically takes 4h 53m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Casper Natrona County Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Casper Natrona County Airport are updated daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Casper Natrona County Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Casper Natrona County Airport?

    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 Chicago O'Hare Intl Airport 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.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Casper?

Best airlines flying from Chicago O'Hare Intl Airport to Casper

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Casper with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $248Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights

Traveling to a place near Casper?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Casper for you.

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

Yes. All flights to Casper from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Casper.

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

Price alerts on flights to Casper from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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