Idaho Falls (IDA) to Portland (PDX)
Flight time
≈ 1h 52m
Bearing
289° W
Idaho Falls (IDA) to Portland (PDX) is 537 miles (865 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IDA–PDX
US DOT T-100 · filed dataIn January 2026, Allegiant Air was the only carrier flying nonstop IDA–PDX; the Airbus A320 was the most common aircraft at 100% of departures; flights ran 76% full.
Departures
4
January 2026
Seats
720
both directions
Passengers
545
both directions
Load factor
75.7%
passengers ÷ seats
Who flies IDA–PDX?
Allegiant Air was the only carrier to fly nonstop IDA–PDX in January 2026 (4 departures).
- G4
Allegiant Air
4 departures · 720 seats
Share of departures100.0%75.7%
Load
What plane flies IDA–PDX?
In January 2026, the Airbus A320 flew 100% of IDA–PDX departures.
- Airbus A320
4 departures · 75.7% load
100.0%
How has IDA–PDX traffic changed?
Nonstop IDA–PDX departures fell from 18 in May 2025 to 4 in January 2026.
Monthly nonstop IDA–PDX traffic, trailing 12 months through January 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
18 departures · 1,986 passengers
60.7%
Load
June 2025
18 departures · 2,575 passengers
79.5%
Load
July 2025
16 departures · 2,498 passengers
86.9%
Load
August 2025
8 departures · 1,198 passengers
83.5%
Load
September 2025
0 departures · 0 passengers
—
Load
October 2025
0 departures · 0 passengers
—
Load
November 2025
8 departures · 999 passengers
69.4%
Load
December 2025
16 departures · 2,091 passengers
72.8%
Load
January 2026
4 departures · 545 passengers
75.7%
Load
By direction
The DOT files each direction separately — they rarely match.
IDA → PDX
61.7% full
2 departures · 222 passengers
PDX → IDA
89.7% full
2 departures · 323 passengers
Nonstop IDA–PDX traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through January 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Idaho Falls (IDA) from Portland (PDX)?
IDA to PDX is 537 miles (865 km / 467 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IDA to PDX?
A nonstop covers the 537-mile great-circle distance in roughly 1h 52m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IDA–PDX?
In January 2026, the Airbus A320 flew the largest share of departures (100.0%).
What mileage do I earn flying IDA–PDX?
Distance-based programs credit off the 537-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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