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
US DOT T-100 · filed dataIn April 2026, SkyWest Airlines operated the most departures, one of 2 carriers flying nonstop DEN–IDA; the Bombardier CRJ-550 was the most common aircraft at 47% of departures; flights ran 88% full.
Departures
238
April 2026
Seats
17,182
both directions
Passengers
15,074
both directions
Load factor
87.7%
passengers ÷ seats
Who flies DEN–IDA?
SkyWest Airlines operated the most nonstop DEN–IDA departures in April 2026 (196), one of 2 carriers on the route.
- OO
SkyWest Airlines
196 departures · 11,794 seats
Share of departures82.4%86.5%
Load
- UA
United Airlines
42 departures · 5,388 seats
Share of departures17.6%90.4%
Load
What plane flies DEN–IDA?
In April 2026, the Bombardier CRJ-550 flew 47% of DEN–IDA departures — more than any other aircraft type.
- Bombardier CRJ-550
112 departures · 82.3% load
47.1% - Embraer E175
74 departures · 90.8% load
31.1% - Airbus A319
38 departures · 91.2% load
16.0% - Embraer E170
6 departures · 91.4% load
2.5% - Airbus A320
4 departures · 84.2% load
1.7% - Bombardier CRJ-700
2 departures · 68.6% load
0.8% - Bombardier CRJ-200
2 departures · 90.0% load
0.8%
How has DEN–IDA traffic changed?
Nonstop DEN–IDA departures fell from 307 in May 2025 to 238 in April 2026.
Monthly nonstop DEN–IDA traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
307 departures · 16,170 passengers
85.7%
Load
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
By direction
The DOT files each direction separately — they rarely match.
DEN → IDA
86.6% full
119 departures · 7,434 passengers
IDA → DEN
88.9% full
119 departures · 7,640 passengers
Nonstop DEN–IDA traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
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 April 2026, the Bombardier CRJ-550 flew the largest share of departures (47.1%), followed by the Embraer E175 (31.1%).
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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