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.
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What actually flies DEN–IDA
Filed traffic dataIn May 2026, SkyWest Airlines operated the most departures, one of 2 carriers flying nonstop DEN–IDA; the Embraer E175 was the most common aircraft at 31% of departures; flights ran 84% full.
Departures
267
May 2026
Seats
22,776
both directions
Passengers
19,058
both directions
Load factor
83.7%
RPM ÷ ASM
Who flies DEN–IDA?
SkyWest Airlines operated the most nonstop DEN–IDA departures in May 2026 (205), one of 2 carriers on the route.
- OO
205 departures · 13,748 seats
Share of departures76.8%82.3%
Load
- UA
62 departures · 9,028 seats
Share of departures23.2%85.7%
Load
What plane flies DEN–IDA?
In May 2026, the Embraer E175 flew 31% of DEN–IDA departures — more than any other aircraft type.
- Embraer E175
84 departures · 84.0% load
31.5% - Embraer E170
79 departures · 81.9% load
29.6% - Bombardier CRJ-550
38 departures · 79.9% load
14.2% - Airbus A319
26 departures · 90.3% load
9.7% - Boeing 737-800
22 departures · 86.3% load
8.2% - Airbus A320
14 departures · 77.6% load
5.2% - Bombardier CRJ-700
2 departures · 75.0% load
0.8% - Bombardier CRJ-200
2 departures · 58.0% load
0.8%
How has DEN–IDA traffic changed?
Nonstop DEN–IDA departures fell from 326 in June 2025 to 267 in May 2026.
Monthly nonstop DEN–IDA traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
326 departures · 17,984 passengers
84.0%
Load
July 2025
378 departures · 20,786 passengers
83.9%
Load
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
By direction
Each direction is filed separately — they rarely match.
DEN → IDA
86.0% full
134 departures · 9,823 passengers
IDA → DEN
81.4% full
133 departures · 9,235 passengers
Nonstop DEN–IDA traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
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 May 2026, the Embraer E175 flew the largest share of departures (31.5%), followed by the Embraer E170 (29.6%).
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.
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