Direct (nonstop) flights from Denver to Helena
1 airline flys nonstop from Denver International (DEN) to Helena Rgnl (HLN). It's 594 miles (956 km), about 2h 2m in the air. Operated by United Airlines.
United Airlines
Route data last updated: May 30, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Denver to Helena with one stop · direct emits 110 kg CO₂ per passenger
Looking for the return flight?
HLN → DEN: Flights from Helena to DenverOther direct flights from Denver
Direct flights from Helena (HLN)
Frequently Asked Questions
How long is the direct flight from Denver to Helena?
A nonstop flight from Denver (DEN) to Helena (HLN) takes approximately 2 hours and 2 minutes. The distance is 594 miles (956 km).
Which airlines fly nonstop from Denver to Helena?
Just United Airlines.
Is there a nonstop flight from Denver to Helena?
Yes. 1 airline: United Airlines.
How far is Denver from Helena?
The flight distance from Denver to Helena is 594 miles (956 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as the length of Italy.
What type of aircraft flies from Denver to Helena?
At 2h 2m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Denver to Helena?
Roughly 110 kg CO2 per passenger one-way. That's about the same as driving 550 km.
Is the return flight from Helena 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 Helena?
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.