The cheapest times to fly from DEN to CPR are

  • April 9th to May 13th
  • August 6th to October 21st
  • December 3rd to March 11th (except the weeks of December 10th, December 17th, February 5th, and February 12th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from DEN to CPR is late December. Prices can be as high as $503 for Saturday flights during early August, or as low as $337 for Sunday flights around late December.


When to Fly to Casper

Flying from Denver, CO (DEN) to Casper, WY (CPR) will usually cost between $337 to $365 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late December with an average ticket price of $337. Due to high demand the most expensive time to fly is early August, with an average price of $361. Planning your trip to low-cost times can easily save you $24 on economy flights and even more on first-class flights. Generally, any price below $350 can be considered a good price for a round-trip DEN to CPR flight.

See below for a graph of average weekly prices for the DEN to CPR route. All prices are for round-trip tickets in USD.

DEN to CPR Flight Prices

Compared to other flights, the DEN to CPR flight is much cheaper than the average and costs much less than the average flight leaving from Denver. The average price per mile (for a direct flight) is $0.95, which is above average.


Flight Prices by Day of the Week

Sunday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $9 (3%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Sunday and returning a week later will cost an average of $337. Return trip prices are from the CPR to DEN flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from DEN to CPR can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 24 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from DEN to CPR while comparing.

Destination alternative #1: Laramie Regional Airport (LAR) in Laramie, WY

  • 117 miles (188 km) away from CPR
  • Usually 55.93% less expensive than CPR
  • Nonstop flights available

See DEN to LAR flights

Destination alternative #2: Riverton Regional Airport (RIW) in Riverton/Lander, WY

  • 101 miles (163 km) away from CPR
  • Usually 34.86% less expensive than CPR
  • Nonstop flights available

See DEN to RIW flights

Destination alternative #3: Sheridan County Airport (SHR) in Sheridan, WY

  • 131 miles (211 km) away from CPR
  • Usually 33.43% less expensive than CPR
  • Nonstop flights available

See DEN to SHR flights

Destination alternative #4: Gillette Campbell County Airport (GCC) in Gillette, WY

  • 110 miles (177 km) away from CPR
  • Usually 21.14% less expensive than CPR
  • Nonstop flights available

See DEN to GCC flights


Flight Questions Answered

Still have questions about flying from DEN to CPR? We’ve got answers.

Which airlines fly this route?

You can find 12 major airlines flying this route most often: Air Canada, Alaska, American, British Airways, Caribbean Airlines, Delta, JetBlue, LIAT, Seaborne Airlines, United, WestJet, Winair, and potentially more during busy seasons.

How far away is it from Casper/Natrona County International Airport to Denver International Airport?

The distance between the two airports is roughly 230 miles or 370 kilometers.

How long does it take to fly from DEN to CPR?

The real-world flight time for a nonstop DEN to CPR flight is about 1 hour 24 minutes.

How many flights go between Denver, CO and Casper, WY?

It depends on the day of the week and the date, but a typical day might have around 43 available flights from DEN to CPR.


Airport Location Info


Departing Airport

Origination code DEN
Origination airport name Denver International Airport
City Denver, CO
Country the United States
Latitude 39.9
Longitude -104.7

Return Airport

Destination code CPR
Destination airport name Casper/Natrona County International Airport
City Casper, WY
Country the United States
Latitude 42.9
Longitude -106.5


Late and Early Flight Data

Flights from DEN to CPR tend to depart later than the average flight. According to our recently updated data, 31% of flights departed 5 or more minutes late, and 28% of flights left 5 or more minutes early. On average you can expect to leave CPR heading for DEN about 25 minutes late. This does significantly impact arrival time, as the average landing time in Casper, WY is about 28 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:

  • SkyWest: 25 minutes late
  • Some airlines not reporting


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.