Direct (nonstop) flights from Denver to Casper
1 airline flys nonstop from Denver International (DEN) to Natrona Co International (CPR). It's 231 miles (371 km), about 1h 12m in the air. Operated by United Airlines.
United Airlines
Route data last updated: May 29, 2026
Airlines with non-stop flights
UA
United Airlines
Looking for the return flight?
CPR → DEN: Flights from Casper to DenverOther direct flights from Denver
Frequently Asked Questions
How long is the direct flight from Denver to Casper?
A nonstop flight from Denver (DEN) to Casper (CPR) takes approximately 1 hours and 12 minutes. The distance is 231 miles (371 km).
Which airlines fly nonstop from Denver to Casper?
Just United Airlines.
Is there a nonstop flight from Denver to Casper?
Yes. 1 airline: United Airlines.
How far is Denver from Casper?
The flight distance from Denver to Casper is 231 miles (371 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Paris.
What type of aircraft flies from Denver to Casper?
At 1h 12m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.
What is the carbon footprint of a flight from Denver to Casper?
Roughly 43 kg CO2 per passenger one-way. That's about the same as driving 215 km.
Is the return flight from Casper to Denver also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from Denver to Casper?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.
How early should I arrive at Denver International for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.