Direct (nonstop) flights from Denver to Idaho Falls
1 airline flys nonstop from Denver International (DEN) to Idaho Falls Rgnl (IDA). It's 458 miles (737 km), about 1h 45m in the air. Operated by United Airlines.
United Airlines
Route data last updated: May 22, 2026
Airlines with non-stop flights
UA
United Airlines
Alternative Routes
Other ways to fly from Denver to Idaho Falls with one stop · direct emits 85 kg CO₂ per passenger
Looking for the return flight?
IDA → DEN: Flights from Idaho Falls to DenverOther direct flights from Denver
Direct flights from Idaho Falls (IDA)
Frequently Asked Questions
How long is the direct flight from Denver to Idaho Falls?
A nonstop flight from Denver (DEN) to Idaho Falls (IDA) takes approximately 1 hours and 45 minutes. The distance is 458 miles (737 km).
Which airlines fly nonstop from Denver to Idaho Falls?
Just United Airlines.
Is there a nonstop flight from Denver to Idaho Falls?
Yes. 1 airline: United Airlines.
How far is Denver from Idaho Falls?
The flight distance from Denver to Idaho Falls is 458 miles (737 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as Mumbai to Goa.
What type of aircraft flies from Denver to Idaho Falls?
At 1h 45m, 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 Idaho Falls?
Roughly 85 kg CO2 per passenger one-way. That's about the same as driving 425 km.
Is the return flight from Idaho Falls 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 Idaho Falls?
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.