HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Casper

$300+ Cheap flights from Chicago (CHI) to Casper (CPR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CPR
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Casper with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Chicago to Casper

Cheapest flights from Chicago to Casper
Explore the most affordable flight options available from Chicago to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:00 pmORD - CPR
1 stop4h 51mUnited Airlines
Fri 12/193:19 pmCPR - ORD
1 stop6h 41mUnited Airlines
Deal found 12/3$353
This United Airlines deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:10 amORD - CPR
1 stop8h 30mUnited Airlines
Sun 1/41:22 pmCPR - ORD
1 stop9h 37mUnited Airlines
Deal found 12/3$633
This United Airlines deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/261:55 pmORD - CPR
1 stop9h 30mUnited Airlines
Thu 1/11:22 pmCPR - ORD
1 stop8h 38mUnited Airlines
Deal found 12/2$704
This United Airlines deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:45 pmORD - CPR
1 stop8h 56mUnited Airlines
Fri 1/21:22 pmCPR - ORD
1 stop9h 37mUnited Airlines
Deal found 12/2$836
This United Airlines deal was found by Cheapflights users on 12/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/263:47 pmORD - CPR
2 stops19h 24mUnited Airlines
Sat 1/36:10 pmCPR - ORD
1 stop16h 15mUnited Airlines
Deal found 12/2$861
This United Airlines deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:10 amORD - CPR
1 stop6h 21mUnited Airlines
Tue 12/911:21 amCPR - ORD
1 stop4h 37mUnited Airlines
Deal found 12/4$968

Find flight deals from Chicago to Casper

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Casper (CPR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$318
(United Airlines)

One-way from

$300
(United Airlines)
Provider with most accurate pricing for Chicago (CHI)-Casper Natrona County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Casper Natrona County flights.
Search Deals
From Chicago (CHI) to Casper Natrona County
Search Deals
One-way flight from Chicago (CHI) to Casper Natrona County
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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, Cheapflights users made 2,558,603 searches. Data last updated December 4, 2025.
Use the filters below to find and compare flights from Chicago to Casper that are best for you.

Fly from

Chicago

Fly to

Casper

Route

Depart

Return

Price

ChicagoCasper

ORD - CPR

ORDCPR

Chicago O'Hare Intl

Tue 2/3

7:00 am-12:35 pm

1 stop6h 35m

Casper Natrona County

Sat 2/7

3:17 pm-11:59 pm

1 stop7h 42m

$318

ChicagoCasper

ORD - CPR

ORDCPR

Chicago O'Hare Intl

Mon 12/29

7:10 am-2:40 pm

1 stop8h 30m

Casper Natrona County

Sun 1/4

1:22 pm-11:59 pm

1 stop9h 37m

$633

ChicagoCasper

ORD - CPR

ORDCPR

Chicago O'Hare Intl

Fri 12/26

1:55 pm-10:25 pm

1 stop9h 30m

Casper Natrona County

Thu 1/1

1:22 pm-11:00 pm

1 stop8h 38m

$704

ChicagoCasper

ORD - CPR

ORDCPR

Chicago O'Hare Intl

Sat 12/27

7:10 am-2:40 pm

1 stop8h 30m

Casper Natrona County

Thu 1/1

1:22 pm-11:00 pm

1 stop8h 38m

$704

ChicagoCasper

ORD - CPR

ORDCPR

Chicago O'Hare Intl

Fri 12/26

12:45 pm-8:41 pm

1 stop8h 56m

Casper Natrona County

Fri 1/2

1:22 pm-11:59 pm

1 stop9h 37m

$836

ChicagoCasper

ORD - CPR

ORDCPR

Chicago O'Hare Intl

Sat 12/27

2:31 pm-10:25 pm

1 stop8h 54m

Casper Natrona County

Fri 1/2

1:22 pm-11:14 pm

1 stop8h 52m

$836

ChicagoCasper

ORD - CPR

ORDCPR

Chicago O'Hare Intl

Fri 12/26

3:47 pm-10:11 am

2 stops19h 24m

Casper Natrona County

Sat 1/3

6:10 pm-11:25 am

1 stop16h 15m

$861

ChicagoCasper

ORD - CPR

ORDCPR

Chicago O'Hare Intl

Wed 12/24

12:45 pm-7:01 pm

1 stop7h 16m

$300

ChicagoCasper

ORD - CPR

ORDCPR

Chicago O'Hare Intl

Tue 12/23

1:55 pm-7:01 pm

1 stop6h 06m

$300

ChicagoCasper

ORD - CPR

ORDCPR

Chicago O'Hare Intl

Mon 12/22

1:55 pm-8:41 pm

1 stop7h 46m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 11 results
1
2

Compare providers for flights from Chicago to Casper

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Casper in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Casper flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Casper flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago-Casper flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Casper flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Casper flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Casper

Have a flexible travel schedule? Discover the best time to fly to Casper from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Casper
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Casper

Get insights into the airlines that provide service to Casper. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Casper. Reviews last updated December 4, 2025.
Get a feel of what it's like to fly with United Airlines from Chicago to Casper by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,066 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,066 reviews
United Airlines
7.4
Good
9,066 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Casper. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Casper from Chicago?

    For a flight from Chicago to Casper, you will be flying into Natrona County. Casper Natrona County (CPR) is just 8.1 mi from the center of the city. Natrona County is the only Casper airport and it handles 0 inbound flights from Chicago per day. 1 airline has flights to Casper Natrona County from Chicago on a regular basis.

  • How long is the flight from Chicago to Casper?

    For as low as $318, United Airlines can have you in Casper from Chicago in 6h 35m. The distance between Chicago and Casper is about 946 mi.

  • What is the cheapest airline to fly from Chicago to Casper round-trip?

    Flying on United Airlines is currently your cheapest option to Casper, with prices starting at $248.

  • Can I find deals for flights from Chicago to Casper that include hotel bookings?

    Yes. In addition to deals on Chicago to Casper flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Casper?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Casper.

  • Can I find deals for business class flights from Chicago to Casper?

    Yes. Cheapflights offers flight deals from Chicago to Casper by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chicago to Casper

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Denver flights
O'Hare Intl to Salt Lake City flights
Midway to Denver flights
St. Louis to Denver flights
Midway to Salt Lake City flights
O'Hare Intl to Jackson flights
St. Louis to Salt Lake City flights
Peoria to Denver flights
Moline to Denver flights
Midway to Jackson flights
St. Louis to Jackson flights
Moline to Salt Lake City flights
Bloomington to Denver flights
Evansville to Denver flights
Peoria to Salt Lake City flights
Springfield to Denver flights
Evansville to Salt Lake City flights
O'Hare Intl to Casper flights
Bloomington to Salt Lake City flights
St. Louis to Cody flights
Evansville to Jackson flights
O'Hare Intl to West Yellowstone flights
Peoria to Jackson flights
O'Hare Intl to Cody flights
Decatur to Denver flights
St. Louis to Casper flights
Bloomington to Jackson flights
O'Hare Intl to Laramie flights
Moline to Jackson flights
Champaign to Salt Lake City flights
Dubuque to Denver flights
Champaign to Denver flights
Moline to Cody flights
Marion to Denver flights
Midway to West Yellowstone flights
Springfield to Salt Lake City flights
Paducah to Denver flights
Midway to Casper flights
Midway to Cody flights
Springfield to Jackson flights
Dubuque to Salt Lake City flights
St. Louis to West Yellowstone flights

Top airline flying from Chicago to Casper

Discover the top airline that operate flights from Chicago to Casper. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$418FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.