Direct (nonstop) flights from Helena to Denver
1 airline flys nonstop from Helena Rgnl (HLN) to Denver International (DEN). It's 594 miles (956 km), about 2h 8m in the air. Operated by United Airlines.
United Airlines
Route data last updated: May 28, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from Helena to Denver with one stop · direct emits 110 kg CO₂ per passenger
Looking for the return flight?
DEN → HLN: Flights from Denver to HelenaOther direct flights from Helena
Direct flights from Denver (DEN)
Frequently Asked Questions
How long is the direct flight from Helena to Denver?
A nonstop flight from Helena (HLN) to Denver (DEN) takes approximately 2 hours and 8 minutes. The distance is 594 miles (956 km).
Which airlines fly nonstop from Helena to Denver?
Just United Airlines.
Is there a nonstop flight from Helena to Denver?
Yes. 1 airline: United Airlines.
How far is Helena from Denver?
The flight distance from Helena to Denver 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 Helena to Denver?
At 2h 8m, 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 Helena to Denver?
Roughly 110 kg CO2 per passenger one-way. That's about the same as driving 550 km.
Is the return flight from Denver to Helena 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 Helena to Denver?
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 Helena Rgnl for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.