$154 Cheap Flights from Casper (CPR) to Denver (DEN)

View $154 flight on Fri, Aug 29, 2025Opens in a new window

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

Cheap Flights from Casper to Denver (CPR-DEN)

Prices were available within the past 7 days and start at $154 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, Oct 4 - Sat, Oct 18
CPR
Casper
DEN
Denver
$169 Roundtrip, found 6 hours ago
$169
Roundtrip
found 6 hours ago
Select United flight, departing Sat, Oct 4 from Casper to Denver, returning Sat, Oct 18, priced at $169 found 6 hours ago
United
Thu, Sep 4 - Sun, Sep 7
CPR
Casper
DEN
Denver
$174 Roundtrip, found 1 day ago
$174
Roundtrip
found 1 day ago
Select United flight, departing Thu, Sep 4 from Casper to Denver, returning Sun, Sep 7, priced at $174 found 1 day ago
United
Fri, Aug 29 - Mon, Sep 1
CPR
Casper
DEN
Denver
$179 Roundtrip, found 2 days ago
$179
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 29 from Casper to Denver, returning Mon, Sep 1, priced at $179 found 2 days ago
United
Sat, Aug 30 - Fri, Sep 12
CPR
Casper
DEN
Denver
$184 Roundtrip, found 1 hour ago
$184
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 30 from Casper to Denver, returning Fri, Sep 12, priced at $184 found 1 hour ago
United
Thu, Aug 28 - Sun, Aug 31
CPR
Casper
DEN
Denver
$189 Roundtrip, found 2 hours ago
$189
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Aug 28 from Casper to Denver, returning Sun, Aug 31, priced at $189 found 2 hours ago
United
Thu, Nov 6 - Sat, Nov 22
CPR
Casper
DEN
Denver
$199 Roundtrip, found 15 hours ago
$199
Roundtrip
found 15 hours ago
Select United flight, departing Thu, Nov 6 from Casper to Denver, returning Sat, Nov 22, priced at $199 found 15 hours ago
United
Sat, Oct 4 - Sat, Oct 18
CPR
Casper
DEN
Denver
$214 Roundtrip, found 6 hours ago
$214
Roundtrip
found 6 hours ago
Select United flight, departing Sat, Oct 4 from Casper to Denver, returning Sat, Oct 18, priced at $214 found 6 hours ago
United
Thu, Aug 28 - Sun, Aug 31
CPR
Casper
DEN
Denver
$219 Roundtrip, found 2 hours ago
$219
Roundtrip
found 2 hours ago
Select United flight, departing Thu, Aug 28 from Casper to Denver, returning Sun, Aug 31, priced at $219 found 2 hours ago
United
Sat, Aug 30 - Fri, Sep 12
CPR
Casper
DEN
Denver
$229 Roundtrip, found 1 hour ago
$229
Roundtrip
found 1 hour ago
Select United flight, departing Sat, Aug 30 from Casper to Denver, returning Fri, Sep 12, priced at $229 found 1 hour ago
United
Sun, Oct 5 - Sat, Oct 18
CPR
Casper
DEN
Denver
$234 Roundtrip, found 6 hours ago
$234
Roundtrip
found 6 hours ago
Select United flight, departing Sun, Oct 5 from Casper to Denver, returning Sat, Oct 18, priced at $234 found 6 hours ago

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

November is typically the cheapest month to fly

From $159 - $527 per traveler.

Graph displaying average flight prices per month

Alternative airports near Denver

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

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $234
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $234
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 October. 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 $154 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?
Grab a cheap one-way flight from $154 or cheap return flight from $169 from Natrona County Intl. Airport (CPR) to Denver Intl. Airport (DEN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Natrona County Intl. Airport (CPR) to Denver Intl. Airport (DEN)?
October is the most affordable month to fly from CPR to DEN. Traveling during an off-peak travel window is often the key to better flight prices.
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 Natrona County Intl. Airport (CPR) to Denver Intl. Airport (DEN)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest CPR to DEN flight.
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.

Explore a world of travel with Expedia

*Available to One Key members.