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

View $199 flight on Thu, Jan 8, 2026Opens in a new window

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

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Cheap Flights from Casper to Denver (CPR-DEN)

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
Sat, Aug 2 - Sun, Aug 3
CPR
Casper
DEN
Denver
$169 Roundtrip, just found
$169
Roundtrip
just found
Select United flight, departing Sat, Aug 2 from Casper to Denver, returning Sun, Aug 3, priced at $169 just found
United
Sat, Jul 19 - Sat, Jul 26
CPR
Casper
DEN
Denver
$174 Roundtrip, found 14 hours ago
$174
Roundtrip
found 14 hours ago
Select United flight, departing Sat, Jul 19 from Casper to Denver, returning Sat, Jul 26, priced at $174 found 14 hours ago
United
Sat, Oct 4 - Sat, Oct 18
CPR
Casper
DEN
Denver
$184 Roundtrip, found 10 hours ago
$184
Roundtrip
found 10 hours ago
Select United flight, departing Sat, Oct 4 from Casper to Denver, returning Sat, Oct 18, priced at $184 found 10 hours ago
United
Sat, Jul 19 - Sat, Jul 26
CPR
Casper
DEN
Denver
$189 Roundtrip, found 14 hours ago
$189
Roundtrip
found 14 hours ago
Select United flight, departing Sat, Jul 19 from Casper to Denver, returning Sat, Jul 26, priced at $189 found 14 hours ago
United
Sun, Aug 3 - Thu, Aug 14
CPR
Casper
DEN
Denver
$191 Roundtrip, found 1 day ago
$191
Roundtrip
found 1 day ago
Select United flight, departing Sun, Aug 3 from Casper to Denver, returning Thu, Aug 14, priced at $191 found 1 day ago
United
Tue, Sep 2 - Tue, Sep 30
CPR
Casper
DEN
Denver
$199 Roundtrip, found 3 hours ago
$199
Roundtrip
found 3 hours ago
Select United flight, departing Tue, Sep 2 from Casper to Denver, returning Tue, Sep 30, priced at $199 found 3 hours ago
United
Sat, Sep 20 - Sat, Sep 27
CPR
Casper
DEN
Denver
$214 Roundtrip, found 4 hours ago
$214
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Sep 20 from Casper to Denver, returning Sat, Sep 27, priced at $214 found 4 hours ago
United
Sat, Jul 19 - Sat, Jul 26
CPR
Casper
DEN
Denver
$219 Roundtrip, found 14 hours ago
$219
Roundtrip
found 14 hours ago
Select United flight, departing Sat, Jul 19 from Casper to Denver, returning Sat, Jul 26, priced at $219 found 14 hours ago
United
Sat, Aug 2 - Sun, Aug 3
CPR
Casper
DEN
Denver
$229 Roundtrip, just found
$229
Roundtrip
just found
Select United flight, departing Sat, Aug 2 from Casper to Denver, returning Sun, Aug 3, priced at $229 just found
United
Sat, Aug 2 - Sun, Aug 3
CPR
Casper
DEN
Denver
$234 Roundtrip, just found
$234
Roundtrip
just found
Select United flight, departing Sat, Aug 2 from Casper to Denver, returning Sun, Aug 3, priced at $234 just found

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

August is typically the cheapest month to fly

From $149 - $659 per traveler.

Graph displaying average flight prices per month

Flights from Casper (CPR) to Denver (DEN)
Origin airport
Natrona County Intl.
Destination airport
Denver Intl.
Airlines serving
United
Roundtrip price
$169
Distance
230 mi
Average flight time
1 hour 25 mins

Casper to Denver Flights

The cheapest times to fly from Casper to Denver

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 Casper to Denver are during the month of August. You can find some of the cheapest flights from Casper to Denver with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Casper to Denver

Sunday is one of the best days to book for cheap flights from Casper to Denver: 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 Casper to Denver

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 Casper to Denver 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 Casper to Denver 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 Casper to Denver 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 Natrona County Intl. Airport (CPR) to Denver Intl. Airport (DEN) cost?
Book cheap return flights starting at $169 from Natrona County Intl. Airport (CPR) to Denver Intl. Airport (DEN). 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 CPR on July 30 2025 and touching down at DEN. The price was last updated on July 4 2025 and has not changed since.
What is the cheapest month to fly from CPR to DEN?
The cheapest flights from CPR to DEN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Natrona County Intl. Airport (CPR) to Denver Intl. Airport (DEN)?
Jump on a direct flight with United Airlines and travel straight from Natrona County Intl. Airport (CPR) to Denver Intl. Airport (DEN).
What is the cheapest airline that flies from CPR to DEN?
Jet off from CPR to DEN with United. This carrier currently has the lowest one-way fare for this route, starting from $199. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CPR on September 10 2025. Prices were last updated on July 4 2025 and have not changed since.
How many flights per day from Natrona County Intl. Airport (CPR) to Denver Intl. Airport (DEN)?
When flying out of Natrona County Intl. Airport (CPR), you can take your pick from an average of 6 daily nonstop flights to Denver Intl. Airport (DEN).
What are the most popular departure times for flights from Natrona County Intl. Airport (CPR) to Denver Intl. Airport (DEN)?
More passengers fly between CPR and DEN at 5 AM than at any other time of day. Rather skip the crowds? Try choosing a quieter departure window and you're likely to save on your ticket as well.
What day of the week has the most flights from CPR to DEN?
Depart on a Saturday if you're after the best choice of flights from Natrona County Intl. Airport (CPR) to Denver Intl. Airport (DEN).
What is the earliest flight from Natrona County Intl. Airport (CPR) to Denver Intl. Airport (DEN)?
Hop on the earliest flight at around 5:25AM UTC-7, leaving from Natrona County Intl. Airport (CPR). You'll be traveling for roughly 1h 33m, landing at Denver Intl. Airport (DEN) at approximately 6:58AM UTC-7.
How long does it take to fly from Natrona County Intl. Airport (CPR) to Denver Intl. Airport (DEN)?
Flights from CPR to DEN have an average travel time of 1 hour and 26 minutes. The distance between the two airports is 230 mi.
What is the best time to fly from Natrona County Intl. Airport (CPR) to Denver Intl. Airport (DEN)?
To touch down at Denver Intl. Airport (DEN) on schedule, opt for a flight that leaves Natrona County Intl. Airport (CPR) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Denver from Natrona County Intl. Airport (CPR)?
If you're on a direct flight from Natrona County Intl. Airport (CPR) to Denver, Denver Intl. Airport (DEN) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Natrona County Intl. Airport (CPR) to Denver Intl. Airport (DEN) last-minute?
Last-minute fares from CPR to DEN are usually more expensive. For the cheapest rates, start searching for flights early. That said, if you can play around with your travel dates, it's possible to find a cheap ticket right before your trip.
Is it cheaper to book a CPR to DEN flight and hotel package?
Booking a CPR to DEN flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our impressive 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 Natrona County Intl. Airport (CPR) to Denver Intl. Airport (DEN)?
If you reserved your CPR to DEN flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

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