Direct (nonstop) flights from Idaho Falls to Denver

1 airline flys nonstop from Idaho Falls Rgnl (IDA) to Denver International (DEN). It's 458 miles (737 km), about 1h 51m in the air. Operated by United Airlines.

IDA
Idaho Falls Rgnl
🇺🇸 Idaho Falls, USA
DEN
Denver International
🇺🇸 Denver, USA
Flight Time
1h 51m
Distance
458 mi
737 km
CO₂/pax
85 kg
−47 kg vs. layover
Airlines
1
United Airlines
Time Diff
Same timezone
Operated by United Airlines United Airlines

Route data last updated: May 30, 2026

Airlines with non-stop flights

United Airlines UA United Airlines
Route
IDA → DEN
Flight Time
1h 51m
Distance
458 mi

Alternative Routes

Other ways to fly from Idaho Falls to Denver with one stop · direct emits 85 kg CO₂ per passenger

IDA SLC (Salt Lake City) DEN
Leg 1: 1h 10m (188 mi) Leg 2: 1h 34m (391 mi) Total: ~2h 44m 🍃 132 kg CO₂ (+55% vs. direct)
Leg 1
IDA → SLC
1h 10m · 188 mi
View IDA to SLC flights →
Leg 2
SLC → DEN
1h 34m · 391 mi
View SLC to DEN flights →
IDA LAS (Las Vegas) DEN
Leg 1: 1h 44m (538 mi) Leg 2: 1h 59m (628 mi) Total: ~3h 43m 🍃 241 kg CO₂ (+184% vs. direct)
Leg 1
IDA → LAS
1h 44m · 538 mi
View IDA to LAS flights →
Leg 2
LAS → DEN
1h 59m · 628 mi
View LAS to DEN flights →
IDA PHX (Phoenix) DEN
Leg 1: 2h 21m (695 mi) Leg 2: 1h 50m (600 mi) Total: ~4h 11m 🍃 265 kg CO₂ (+212% vs. direct)
Leg 1
IDA → PHX
2h 21m · 695 mi
View IDA to PHX flights →
Leg 2
PHX → DEN
1h 50m · 600 mi
View PHX to DEN flights →
IDA PDX (Portland) DEN
Leg 1: 1h 41m (538 mi) Leg 2: 2h 38m (991 mi) Total: ~4h 19m 🍃 292 kg CO₂ (+244% vs. direct)
Leg 1
IDA → PDX
1h 41m · 538 mi
View IDA to PDX flights →
Leg 2
PDX → DEN
2h 38m · 991 mi
View PDX to DEN flights →
IDA SNA (Santa Ana) DEN
Leg 1: 2h 12m (746 mi) Leg 2: 2h 20m (844 mi) Total: ~4h 32m 🍃 319 kg CO₂ (+275% vs. direct)
Leg 1
IDA → SNA
2h 12m · 746 mi
View IDA to SNA flights →
Leg 2
SNA → DEN
2h 20m · 844 mi
View SNA to DEN flights →

Frequently Asked Questions

How long is the direct flight from Idaho Falls to Denver?

A nonstop flight from Idaho Falls (IDA) to Denver (DEN) takes approximately 1 hours and 51 minutes. The distance is 458 miles (737 km).

Which airlines fly nonstop from Idaho Falls to Denver?

Just United Airlines.

Is there a nonstop flight from Idaho Falls to Denver?

Yes. 1 airline: United Airlines.

How far is Idaho Falls from Denver?

The flight distance from Idaho Falls to Denver 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 Idaho Falls to Denver?

At 1h 51m, this route typically uses narrow-body aircraft — Boeing 737 or Airbus A320. Varies by airline.

What is the carbon footprint of a flight from Idaho Falls to Denver?

Roughly 85 kg CO2 per passenger one-way. That's about the same as driving 425 km.

Is the return flight from Denver to Idaho Falls 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 Idaho Falls 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 Idaho Falls Rgnl for this flight?

1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.