Denver (DEN) to Idaho Falls (IDA)
Flight time
≈ 1h 43m
Bearing
306° NW
Denver (DEN) to Idaho Falls (IDA) is 457 miles (736 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
Look up a route, or build a trip
Change the airports, or add stops for a multi-leg trip.
What actually flies DEN–IDA
Filed traffic dataIn July 2026, SkyWest Airlines operated the most departures, one of 3 carriers flying nonstop DEN–IDA; the Bombardier CRJ-550 was the most common aircraft at 39% of departures; flights ran 88% full.
Departures
305
July 2026
Seats
25,183
both directions
Passengers
22,115
both directions
Load factor
87.8%
seat-miles filled
Who flies DEN–IDA?
SkyWest Airlines operated the most nonstop DEN–IDA departures in July 2026 (244), one of 3 carriers on the route.
- OO
244 departures · 14,998 seats
Share of departures80.0%88.4%
Load
- UA
60 departures · 9,996 seats
Share of departures19.7%87.5%
Load
- DL
1 departures · 189 seats
Share of departures0.3%60.9%
Load
What plane flies DEN–IDA?
In July 2026, the Bombardier CRJ-550 flew 39% of DEN–IDA departures — more than any other aircraft type.
- Bombardier CRJ-550
120 departures · 86.6% load
39.3% - Embraer E175
74 departures · 88.4% load
24.3% - Boeing 737-800
55 departures · 88.8% load
18.0% - Embraer E170
50 departures · 91.4% load
16.4% - Boeing 737-900ER
2 departures · 91.1% load
0.7% - Boeing 737 MAX 9
2 departures · 85.2% load
0.7% - Airbus A320
1 departures · 8.0% load
0.3% - Airbus A321
1 departures · 60.9% load
0.3%
How has DEN–IDA traffic changed?
Nonstop DEN–IDA departures fell from 371 in August 2025 to 305 in July 2026.
Monthly nonstop DEN–IDA traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
371 departures · 20,670 passengers
84.7%
Load
September 2025
328 departures · 18,053 passengers
90.1%
Load
October 2025
297 departures · 16,430 passengers
87.5%
Load
November 2025
285 departures · 16,350 passengers
83.5%
Load
December 2025
275 departures · 17,600 passengers
86.8%
Load
January 2026
260 departures · 17,507 passengers
83.2%
Load
February 2026
222 departures · 15,498 passengers
85.8%
Load
March 2026
242 departures · 16,416 passengers
87.4%
Load
April 2026
238 departures · 15,074 passengers
87.7%
Load
May 2026
267 departures · 19,058 passengers
83.7%
Load
June 2026
300 departures · 20,508 passengers
83.2%
Load
July 2026
305 departures · 22,115 passengers
87.8%
Load
By direction
Each direction is filed separately — they rarely match.
DEN → IDA
86.4% full
154 departures · 11,113 passengers
IDA → DEN
89.3% full
151 departures · 11,002 passengers
Nonstop DEN–IDA traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work). Load factor is RPM ÷ ASM (revenue passenger-miles ÷ available seat-miles).
The airports
Frequently asked
How far is Denver (DEN) from Idaho Falls (IDA)?
DEN to IDA is 457 miles (736 km / 397 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from DEN to IDA?
A nonstop covers the 457-mile great-circle distance in roughly 1h 43m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies DEN–IDA?
In July 2026, the Bombardier CRJ-550 flew the largest share of departures (39.3%), followed by the Embraer E175 (24.3%).
What mileage do I earn flying DEN–IDA?
Distance-based programs credit off the 457-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
Keep exploring
Every route below is its own page.
Popular long-haul routes