$159 Cheap Flights from Denver (DEN) to Casper (CPR)

View $159 flight on Sun, Jul 5, 2026Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Casper, WY (CPR-Natrona County Intl.)

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Cheap Flights from Denver to Casper (DEN-CPR)

Prices were available within the past 7 days and start at $159 for one-way flights and $229 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Jul 10 - Tue, Jul 14
DEN
Denver
CPR
Casper
$229 Roundtrip, found 1 hour ago
$229
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Jul 10 from Denver to Casper, returning Tue, Jul 14, priced at $229 found 1 hour ago
United
Fri, Jul 10 - Tue, Jul 14
DEN
Denver
CPR
Casper
$235 Roundtrip, found 1 hour ago
$235
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Jul 10 from Denver to Casper, returning Tue, Jul 14, priced at $235 found 1 hour ago
United
Thu, Sep 17 - Sun, Sep 20
DEN
Denver
CPR
Casper
$236 Roundtrip, found 2 days ago
$236
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 17 from Denver to Casper, returning Sun, Sep 20, priced at $236 found 2 days ago
United
Fri, Jul 10 - Tue, Jul 14
DEN
Denver
CPR
Casper
$241 Roundtrip, found 1 hour ago
$241
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Jul 10 from Denver to Casper, returning Tue, Jul 14, priced at $241 found 1 hour ago
United
Tue, Jul 7 - Tue, Jul 14
DEN
Denver
CPR
Casper
$242 Roundtrip, found 1 day ago
$242
Roundtrip
found 1 day ago
Select United flight, departing Tue, Jul 7 from Denver to Casper, returning Tue, Jul 14, priced at $242 found 1 day ago
United
Sat, Jun 13 - Sat, Jun 20
DEN
Denver
CPR
Casper
$244 Roundtrip, found 11 hours ago
$244
Roundtrip
found 11 hours ago
Select United flight, departing Sat, Jun 13 from Denver to Casper, returning Sat, Jun 20, priced at $244 found 11 hours ago
United
Fri, Jul 10 - Tue, Jul 14
DEN
Denver
CPR
Casper
$247 Roundtrip, found 1 hour ago
$247
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Jul 10 from Denver to Casper, returning Tue, Jul 14, priced at $247 found 1 hour ago
United
Thu, Sep 17 - Sun, Sep 20
DEN
Denver
CPR
Casper
$248 Roundtrip, found 2 days ago
$248
Roundtrip
found 2 days ago
Select United flight, departing Thu, Sep 17 from Denver to Casper, returning Sun, Sep 20, priced at $248 found 2 days ago
United
Fri, Jun 12 - Fri, Jun 19
DEN
Denver
CPR
Casper
$250 Roundtrip, found 1 day ago
$250
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jun 12 from Denver to Casper, returning Fri, Jun 19, priced at $250 found 1 day ago
United
Wed, Jun 24 - Sun, Jun 28
DEN
Denver
CPR
Casper
$252 Roundtrip, found 3 days ago
$252
Roundtrip
found 3 days ago
Select United flight, departing Wed, Jun 24 from Denver to Casper, returning Sun, Jun 28, priced at $252 found 3 days ago

Alternative airports near Casper

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Natrona County Intl. CPR. Cheapest and Closest option available. Average driving time to city center is 12 minutes. Flights from $324
CPR
Natrona County Intl.
CheapestClosest
Average driving time to city center12 min
Flights from $324

What you need to know for your flight from Denver Intl. to Natrona County Intl.

Denver (DEN) to Casper (CPR) at a glance

Travel comfortably on a full-service airline from Denver International Airport (DEN) to Natrona County International Airport (CPR) on this short domestic route to Casper. Discover the itinerary that suits your travel plans while enjoying the sights and neighborhoods Casper has to offer. Check out essential details for flights on this route, including daily fares and options for the distance between Denver and Casper.

  • Fastest flight duration: around 1h 15m non-stop
  • Route distance: roughly 250 miles (400 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $85–$425, depending on seasonality and how far ahead you book

Flights from Denver International Airport (DEN) to Natrona County International Airport (CPR)

According to recent traveler bookings, here are the top airlines favored for non-stop flights from Denver to Casper. These options allow you to mix and match price, total travel time, and cabin class, helping you find the most suitable itinerary for your journey.

  • United: This major airline provides comprehensive service on this route, primarily with non-stop flights. One-way ticket prices generally fall between $85 and $425, and the total travel time is approximately 1 hour and 15 minutes.

Alternative route from Denver (DEN) to Casper (CPR)

  • Denver to Casper (APA-CPR): Centennial Airport (APA) is located approximately 21 miles from Denver International Airport (DEN).

How to find the best prices for flights from Denver (DEN) to Casper (CPR)

Getting some of the best deals on flights from Denver to Casper is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically available when booking 2-8 weeks in advance, although most travelers tend to book within 2 weeks. Departures in the afternoon, from 12 PM to 6 PM, usually offer lower prices and are also the most popular flight times. Additionally, flying on Thursday provides both more affordable rates and is the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Casper hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Natrona County International Airport from Denver International Airport

Casper welcomes travelers from Denver with a range of transport options based on price, convenience, and proximity. Here's how to reach Casper efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Casper, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Natrona County International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Natrona County International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Natrona County International Airport, Casper Seaport, a seaport, is located about 0.4 miles away by car.

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.) cost?
You can find cheap one-way flights from $159 and cheap return flights from $229 Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.) with Expedia. One-way flights typically cost between $128 and $419, and return flights often range between $169 and $500. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.)?
March is the cheapest month to fly from Denver, CO (DEN) to Casper, WY (CPR), with average round-trip fares around $174. This fare is about 26% lower than the average price throughout the year, as March typically sees a lull in travel demand. Other budget-friendly months to consider are April and June.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.)?
You can fly direct from DEN to CPR on United, with around 53 flights per week.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The best airline to fly with from Denver, CO (DEN) to Casper, WY (CPR) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. United offers the most daily flights from DEN to CPR, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.)?
For flights from Denver (DEN) to Casper (CPR), March and April are the best months to consider, with average return flight prices around $174. These months offer a great combination of affordability and pleasant travel conditions, making them ideal for your journey.*Prices based on flights available on Expedia in the last year.
How many flights per day from Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.)?
On average, there are around 8 nonstop flights per day from Denver Intl. (DEN) to Natrona County Intl. (CPR). For more options, look at flights that include layovers.
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The earliest flight from Denver Intl. (DEN) to Natrona County Intl. (CPR) typically leaves at about 8:30 AM, operated by United. This seasonal service can help you get to Casper early in the day. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The most popular departure times for flights from Denver, CO (DEN) to Casper, WY (CPR) are in the late afternoon, from 3pm to 6pm. This accounts for around 28% of total traffic. United Airlines offers flights during this window. Many travelers prefer this time because it fits well with their schedules, allowing for a productive day before flying.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.)?
Flying nonstop from DEN to CPR takes around 1 hour 20 minutes, with the route covering approximately 230 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.)?
First class seats are offered on the DEN to CPR route with United Airlines.
How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Casper from Denver Intl. (DEN)?
From Denver Intl. (DEN), you can fly typically into Natrona County Intl. (CPR) to reach Casper. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.)?
If you booked your Denver, CO (DEN-Denver Intl.) to Casper, WY (CPR-Natrona County Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
Natrona County Intl.
Roundtrip price
$228
Distance
230 mi
Average flight time
1 hour 14 mins

Book with confidence

Denver to Casper Flights

The cheapest times to fly from Denver to Casper

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Casper are during the month of July. You can find some of the cheapest flights from Denver to Casper with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Casper

Sunday is one of the best days to book for cheap flights from Denver to Casper: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Casper

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Casper in 2026. You can also book with separate airlines for your outbound and return journeys, from $159 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Casper flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Casper airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Denver to Casper Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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