$199 Cheap Flights from Denver (DEN) to Casper (CPR)

View $199 flight on Thu, Aug 7, 2025Opens 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 $199 for one-way flights and $169 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jul 30 - Fri, Dec 12
DEN
Denver
CPR
Casper
$169 Roundtrip, found 3 hours ago
$169
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Jul 30 from Denver to Casper, returning Fri, Dec 12, priced at $169 found 3 hours ago
United
Fri, Aug 8 - Fri, Aug 15
DEN
Denver
CPR
Casper
$184 Roundtrip, found 3 hours ago
$184
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Aug 8 from Denver to Casper, returning Fri, Aug 15, priced at $184 found 3 hours ago
United
Sat, Jul 12 - Sat, Jul 19
DEN
Denver
CPR
Casper
$189 Roundtrip, found 1 day ago
$189
Roundtrip
found 1 day ago
Select United flight, departing Sat, Jul 12 from Denver to Casper, returning Sat, Jul 19, priced at $189 found 1 day ago
United
Thu, Jul 31 - Mon, Aug 4
DEN
Denver
CPR
Casper
$199 Roundtrip, found 8 hours ago
$199
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Jul 31 from Denver to Casper, returning Mon, Aug 4, priced at $199 found 8 hours ago
United
Wed, Jul 30 - Fri, Dec 12
DEN
Denver
CPR
Casper
$214 Roundtrip, found 3 hours ago
$214
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Jul 30 from Denver to Casper, returning Fri, Dec 12, priced at $214 found 3 hours ago
United
Fri, Jul 18 - Fri, Jul 25
DEN
Denver
CPR
Casper
$219 Roundtrip, found 6 days ago
$219
Roundtrip
found 6 days ago
Select United flight, departing Fri, Jul 18 from Denver to Casper, returning Fri, Jul 25, priced at $219 found 6 days ago
United
Wed, Jul 30 - Fri, Dec 12
DEN
Denver
CPR
Casper
$229 Roundtrip, found 3 hours ago
$229
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Jul 30 from Denver to Casper, returning Fri, Dec 12, priced at $229 found 3 hours ago
United
Wed, Jul 30 - Fri, Dec 12
DEN
Denver
CPR
Casper
$234 Roundtrip, found 3 hours ago
$234
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Jul 30 from Denver to Casper, returning Fri, Dec 12, priced at $234 found 3 hours ago
United
Thu, Jul 31 - Mon, Aug 4
DEN
Denver
CPR
Casper
$237 Roundtrip, found 8 hours ago
$237
Roundtrip
found 8 hours ago
Select United flight, departing Thu, Jul 31 from Denver to Casper, returning Mon, Aug 4, priced at $237 found 8 hours ago
United
Wed, Jul 30 - Fri, Dec 12
DEN
Denver
CPR
Casper
$238 Roundtrip, found 3 hours ago
$238
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Jul 30 from Denver to Casper, returning Fri, Dec 12, priced at $238 found 3 hours ago

Find the cheapest month to fly from Denver (DEN) to Casper (CPR)

August is typically the cheapest month to fly

From $149 - $454 per traveler.

Graph displaying average flight prices per month

Flights from Denver (DEN) to Casper (CPR)
Origin airport
Denver Intl.
Destination airport
Natrona County Intl.
Airlines serving
United
Roundtrip price
$169
Distance
230 mi
Average flight time
1 hour 13 mins

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 2025. You can also book with separate airlines for your outbound and return journeys, from $199 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.

 

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Natrona County Intl. Airport (CPR) cost?
Cheap round-trip fares from Denver Intl. Airport (DEN) to Natrona County Intl. Airport (CPR) start from $169. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving DEN on August 1 2025 and touching down at CPR. The price was last updated on July 5 2025 and has not changed since.
What is the cheapest month to fly from DEN to CPR?
Fly nonstop from DEN to CPR in September to take advantage of cheaper fares. You can find a one-way United flight for $199 leaving on September 10 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on July 5 2025 and remains unchanged.
Which airlines fly direct from Denver Intl. Airport (DEN) to Natrona County Intl. Airport (CPR)?
Hop on a nonstop flight with United Airlines and fly straight from Denver Intl. Airport (DEN) to Natrona County Intl. Airport (CPR).
What is the cheapest airline that flies from DEN to CPR?
Currently, the cheapest airline operating one-way flights from DEN to CPR is United. You can jet off on this route from $199. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on September 10 2025. Prices were last updated on July 5 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to Natrona County Intl. Airport (CPR)?
With an average of 6 nonstop flights that operate from Denver Intl. Airport (DEN) to Natrona County Intl. Airport (CPR) every day, you'll be off on your next adventure in no time.
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Natrona County Intl. Airport (CPR)?
Flights between DEN and CPR are their busiest at 9 AM. If you want a more relaxed trip and potentially cheaper fares, choose a departure that's outside typical rush times.
What day of the week has the most flights from DEN to CPR?
Monday has the most flights from Denver Intl. Airport (DEN) to Natrona County Intl. Airport (CPR). Consider jetting off on this day and you'll have the best chance of finding a departure that fits your schedule.
What is the earliest flight from Denver Intl. Airport (DEN) to Natrona County Intl. Airport (CPR)?
Denver Intl. Airport (DEN)'s earliest flight to Natrona County Intl. Airport (CPR) departs at approximately 9:40AM UTC-7. With a total journey time of 1h 12m, you'll land at around 10:52AM UTC-7.
How long does it take to fly from Denver Intl. Airport (DEN) to Natrona County Intl. Airport (CPR)?
The average flight duration from DEN to CPR is 1 hour and 13 minutes, covering a total distance of 230 mi.
What is the best time to fly from Denver Intl. Airport (DEN) to Natrona County Intl. Airport (CPR)?
To avoid potential delays on the Denver Intl. Airport (DEN) to Natrona County Intl. Airport (CPR) route, travel before 3 PM. Later departures have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Casper from Denver Intl. Airport (DEN)?
Check out your flight options from Denver Intl. Airport (DEN) to Natrona County Intl. Airport (CPR). This is the only airport in Casper you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Natrona County Intl. Airport (CPR) last-minute?
Holding off until right before your break to book a flight from DEN to CPR often results in higher prices. Although you may find some last-minute offers, they aren't always guaranteed. Allow some flexibility in your schedule for a better chance of landing a bargain.
Is it cheaper to book a DEN to CPR flight and hotel package?
You'll typically save money by securing a DEN to CPR flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After choosing your preferred accommodations and flights, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Natrona County Intl. Airport (CPR)?
In most instances, you can modify or cancel your DEN to CPR flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more information, head to our Customer Service portal.

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*Available to One Key members.