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

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

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

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$318 Cheap Flights from Casper to Chicago O'Hare Intl Airport in 2026

Find the cheapest flights from Casper to Chicago

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:11 pm - 9:18 pmCPR Casper Natrona County-ORD Chicago O'Hare Intl

5h 07m1 stop Denver Intl

5:00 am - 8:59 amORD Chicago O'Hare Intl-CPR Casper Natrona County

4h 59m1 stop Denver Intl

$318United Airlines

Fri, Oct 16 - Sun, Oct 18

6:00 pm - 11:59 pmCPR Casper Natrona County-ORD Chicago O'Hare Intl

4h 59m1 stop Denver Intl

5:00 am - 8:59 amORD Chicago O'Hare Intl-CPR Casper Natrona County

4h 59m1 stop Denver Intl

$338United Airlines

Sun, Oct 4 - Sun, Oct 11

6:00 pm - 11:59 pmCPR Casper Natrona County-ORD Chicago O'Hare Intl

4h 59m1 stop Denver Intl

4:20 pm - 10:04 pmORD Chicago O'Hare Intl-CPR Casper Natrona County

6h 44m1 stop Denver Intl

$363United Airlines

Thu, Sep 24 - Sat, Sep 26

6:00 pm - 11:59 pmCPR Casper Natrona County-ORD Chicago O'Hare Intl

4h 59m1 stop Denver Intl

6:00 am - 10:49 amORD Chicago O'Hare Intl-CPR Casper Natrona County

5h 49m1 stop Denver Intl

$368United Airlines

Fri, Sep 18 - Tue, Sep 22

1:29 pm - 8:30 pmCPR Casper Natrona County-ORD Chicago O'Hare Intl

6h 01m1 stop Denver Intl

8:40 am - 12:48 pmORD Chicago O'Hare Intl-CPR Casper Natrona County

5h 08m1 stop Denver Intl

$398United Airlines

Sat, Oct 31 - Wed, Nov 4

6:00 pm - 11:59 pmCPR Casper Natrona County-ORD Chicago O'Hare Intl

4h 59m1 stop Denver Intl

5:00 am - 8:59 amORD Chicago O'Hare Intl-CPR Casper Natrona County

4h 59m1 stop Denver Intl

$418United Airlines

Mon, Oct 19 - Sat, Oct 24

6:01 pm - 11:57 pmCPR Casper Natrona County-ORD Chicago O'Hare Intl

4h 56m1 stop Denver Intl

2:18 pm - 6:37 pmORD Chicago O'Hare Intl-CPR Casper Natrona County

5h 19m1 stop Denver Intl

$429United Airlines

Fri, Feb 12 - Mon, Feb 15

4:15 pm - 11:59 pmCPR Casper Natrona County-ORD Chicago O'Hare Intl

6h 44m1 stop Denver Intl

5:00 am - 8:50 amORD Chicago O'Hare Intl-CPR Casper Natrona County

4h 50m1 stop Denver Intl

$433United Airlines

Fri, Sep 18 - Sun, Sep 20

11:24 am - 9:30 pmCPR Casper Natrona County-ORD Chicago O'Hare Intl

9h 06m1 stop Denver Intl

6:00 am - 10:48 amORD Chicago O'Hare Intl-CPR Casper Natrona County

5h 48m1 stop Denver Intl

$443United Airlines

Mon, Sep 21 - Sun, Sep 27

3:11 pm - 10:46 pmCPR Casper Natrona County-ORD Chicago O'Hare Intl

6h 35m1 stop Denver Intl

7:00 am - 10:49 amORD Chicago O'Hare Intl-CPR Casper Natrona County

4h 49m1 stop Denver Intl

$444United Airlines

Thu, Oct 22 - Sun, Oct 25

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

Our best United Airlines deals on Casper to Chicago O'Hare Intl Airport flight tickets

United Airlines

Oct 16

CPR3:11 pmCasper Natrona County

5h 07m

1 stop

ORD9:18 pmChicago O'Hare Intl

Oct 18

ORD5:00 amChicago O'Hare Intl

4h 59m

1 stop

CPR8:59 amCasper Natrona County

$318

United Airlines

Oct 4

CPR6:00 pmCasper Natrona County

4h 59m

1 stop

ORD11:59 pmChicago O'Hare Intl

Oct 11

ORD5:00 amChicago O'Hare Intl

4h 59m

1 stop

CPR8:59 amCasper Natrona County

$338

United Airlines

Sep 24

CPR6:00 pmCasper Natrona County

4h 59m

1 stop

ORD11:59 pmChicago O'Hare Intl

Sep 26

ORD4:20 pmChicago O'Hare Intl

6h 44m

1 stop

CPR10:04 pmCasper Natrona County

$363

momondo Fare Finder

Use the filters below to find and compare flights from Casper to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CasperChicago

CPR Casper Natrona County - ORD Chicago O'Hare Intl

CPRORD

Casper Natrona County

Fri 10/16

3:11 pm-9:18 pm

1 stop5h 07m

Chicago O'Hare Intl

Sun 10/18

5:00 am-8:59 am

1 stop4h 59m

$318

Quickest round-trip

CasperChicago

CPR Casper Natrona County - ORD Chicago O'Hare Intl

CPRORD

Casper Natrona County

Sun 10/4

6:00 pm-11:59 pm

1 stop4h 59m

Chicago O'Hare Intl

Sun 10/11

5:00 am-8:59 am

1 stop4h 59m

$338

CasperChicago

CPR Casper Natrona County - ORD Chicago O'Hare Intl

CPRORD

Casper Natrona County

Thu 9/24

6:00 pm-11:59 pm

1 stop4h 59m

Chicago O'Hare Intl

Sat 9/26

4:20 pm-10:04 pm

1 stop6h 44m

$363

CasperChicago

CPR Casper Natrona County - ORD Chicago O'Hare Intl

CPRORD

Casper Natrona County

Fri 9/18

6:00 pm-11:59 pm

1 stop4h 59m

Chicago O'Hare Intl

Tue 9/22

6:00 am-10:49 am

1 stop5h 49m

$368

CasperChicago

CPR Casper Natrona County - ORD Chicago O'Hare Intl

CPRORD

Casper Natrona County

Sat 10/31

1:29 pm-8:30 pm

1 stop6h 01m

Chicago O'Hare Intl

Wed 11/4

8:40 am-12:48 pm

1 stop5h 08m

$398

CasperChicago

CPR Casper Natrona County - ORD Chicago O'Hare Intl

CPRORD

Casper Natrona County

Mon 10/19

6:00 pm-11:59 pm

1 stop4h 59m

Chicago O'Hare Intl

Sat 10/24

5:00 am-8:59 am

1 stop4h 59m

$418

CasperChicago

CPR Casper Natrona County - ORD Chicago O'Hare Intl

CPRORD

Casper Natrona County

Fri 2/12

6:01 pm-11:57 pm

1 stop4h 56m

Chicago O'Hare Intl

Mon 2/15

2:18 pm-6:37 pm

1 stop5h 19m

$429

CasperChicago

CPR Casper Natrona County - ORD Chicago O'Hare Intl

CPRORD

Casper Natrona County

Fri 9/18

4:15 pm-11:59 pm

1 stop6h 44m

Chicago O'Hare Intl

Sun 9/20

5:00 am-8:50 am

1 stop4h 50m

$433

CasperChicago

CPR Casper Natrona County - ORD Chicago O'Hare Intl

CPRORD

Casper Natrona County

Mon 9/21

11:24 am-9:30 pm

1 stop9h 06m

Chicago O'Hare Intl

Sun 9/27

6:00 am-10:48 am

1 stop5h 48m

$443

CasperChicago

CPR Casper Natrona County - ORD Chicago O'Hare Intl

CPRORD

Casper Natrona County

Thu 10/22

3:11 pm-10:46 pm

1 stop6h 35m

Chicago O'Hare Intl

Sun 10/25

7:00 am-10:49 am

1 stop4h 49m

$444

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

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

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 airline that flies from Casper Natrona County to Chicago O'Hare Intl?

United Airlines is the most popular carrier operating from Casper Natrona County to Chicago O'Hare Intl

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

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

Estimated round-trip price

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

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

Best Price Found	$388
Fastest flight time	4h 59m
Direct flights	None

The best one-way flight to Chicago O'Hare Intl Airport from Casper in the past 72 hours is $388. The best round-trip flight deal from Casper to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $318.

The fastest flight from Casper to Chicago O'Hare Intl Airport takes 4h 59m

There are no direct flights from Casper to Chicago O'Hare Intl Airport. There are no popular flight routes from Casper to Chicago O'Hare Intl Airport.

Search flight deals

Frequently asked questions about flying from Casper to Chicago O'Hare Intl Airport

How far is Casper Natrona County to Chicago O'Hare Intl by plane?
The distance between Casper Natrona County and Chicago O'Hare Intl is about 939.1 mi. A reasonable flight in good conditions will take 4h 59m.
When did momondo last update prices for flights from Casper Natrona County Airport to Chicago O'Hare Intl Airport?
Prices for flights from Casper Natrona County Airport to Chicago O'Hare Intl Airport refresh daily.
How old do you have to be to fly from Casper Natrona County Airport to Chicago O'Hare Intl 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 Casper Natrona County Airport to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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