Boise (BOI) to Portland (PDX)
Flight time
≈ 1h 29m
Bearing
296° NW
Boise (BOI) to Portland (PDX) is 343 miles (553 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOI–PDX
Filed traffic dataIn July 2026, Horizon Air operated the most departures, one of 3 carriers flying nonstop BOI–PDX; the Embraer E175 was the most common aircraft at 61% of departures; flights ran 77% full.
Departures
301
July 2026
Seats
33,718
both directions
Passengers
26,028
both directions
Load factor
77.2%
RPM ÷ ASM
Who flies BOI–PDX?
Horizon Air operated the most nonstop BOI–PDX departures in July 2026 (183), one of 3 carriers on the route.
- QX
183 departures · 13,908 seats
Share of departures60.8%88.1%
Load
- AS
116 departures · 19,658 seats
Share of departures38.5%69.8%
Load
- OO
2 departures · 152 seats
Share of departures0.7%34.2%
Load
What plane flies BOI–PDX?
In July 2026, the Embraer E175 flew 61% of BOI–PDX departures — more than any other aircraft type.
- Embraer E175
185 departures · 87.5% load
61.5% - Boeing 737-800
52 departures · 68.4% load
17.3% - Boeing 737-900ER
35 departures · 69.9% load
11.6% - Boeing 737 MAX 9
23 departures · 71.5% load
7.6% - Boeing 737 MAX 8
6 departures · 74.7% load
2.0%
How has BOI–PDX traffic changed?
Nonstop BOI–PDX departures fell from 302 in August 2025 to 301 in July 2026.
Monthly nonstop BOI–PDX traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
302 departures · 24,438 passengers
79.0%
Load
September 2025
290 departures · 24,592 passengers
72.8%
Load
October 2025
302 departures · 26,461 passengers
77.8%
Load
November 2025
274 departures · 22,528 passengers
70.5%
Load
December 2025
305 departures · 26,494 passengers
77.5%
Load
January 2026
280 departures · 24,666 passengers
62.8%
Load
February 2026
255 departures · 23,086 passengers
71.7%
Load
March 2026
300 departures · 23,874 passengers
77.2%
Load
April 2026
293 departures · 21,770 passengers
75.5%
Load
May 2026
294 departures · 26,567 passengers
80.2%
Load
June 2026
290 departures · 25,441 passengers
78.1%
Load
July 2026
301 departures · 26,028 passengers
77.2%
Load
By direction
Each direction is filed separately — they rarely match.
BOI → PDX
77.6% full
151 departures · 13,169 passengers
PDX → BOI
76.8% full
150 departures · 12,859 passengers
Nonstop BOI–PDX 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).
The airports
Frequently asked
How far is Boise (BOI) from Portland (PDX)?
BOI to PDX is 343 miles (553 km / 298 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOI to PDX?
A nonstop covers the 343-mile great-circle distance in roughly 1h 29m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOI–PDX?
In July 2026, the Embraer E175 flew the largest share of departures (61.5%), followed by the Boeing 737-800 (17.3%).
What mileage do I earn flying BOI–PDX?
Distance-based programs credit off the 343-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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