Seattle (BFI) to Portland (PDX)
Flight time
≈ 1h 04m
Bearing
186° S
Seattle (BFI) to Portland (PDX) is 135 miles (217 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BFI–PDX
Filed traffic dataIn May 2026, Air Excursions operated the most departures, one of 2 carriers flying nonstop BFI–PDX; the Pilatus PC-12 was the most common aircraft at 99% of departures; flights ran 30% full.
Departures
203
May 2026
Seats
2,016
both directions
Passengers
605
both directions
Load factor
30.0%
RPM ÷ ASM
Who flies BFI–PDX?
Air Excursions operated the most nonstop BFI–PDX departures in May 2026 (200), one of 2 carriers on the route.
- X4
Air Excursions
200 departures · 1,800 seats
Share of departures98.5%33.6%
Load
- DL
3 departures · 216 seats
Share of departures1.5%0.0%
Load
What plane flies BFI–PDX?
In May 2026, the Pilatus PC-12 flew 99% of BFI–PDX departures — more than any other aircraft type.
- Pilatus PC-12
200 departures · 33.6% load
98.5% - Boeing 757-200
3 departures · 0.0% load
1.5%
How has BFI–PDX traffic changed?
Nonstop BFI–PDX departures fell from 259 in June 2025 to 203 in May 2026.
Monthly nonstop BFI–PDX traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
259 departures · 621 passengers
19.4%
Load
July 2025
316 departures · 415 passengers
14.6%
Load
August 2025
318 departures · 466 passengers
16.3%
Load
September 2025
343 departures · 589 passengers
19.1%
Load
October 2025
355 departures · 588 passengers
17.4%
Load
November 2025
302 departures · 543 passengers
17.6%
Load
December 2025
274 departures · 557 passengers
22.2%
Load
January 2026
287 departures · 541 passengers
20.2%
Load
February 2026
241 departures · 454 passengers
20.3%
Load
March 2026
2 departures · 0 passengers
0.0%
Load
April 2026
2 departures · 0 passengers
0.0%
Load
May 2026
203 departures · 605 passengers
30.0%
Load
By direction
Each direction is filed separately — they rarely match.
BFI → PDX
27.4% full
103 departures · 306 passengers
PDX → BFI
33.2% full
100 departures · 299 passengers
Nonstop BFI–PDX 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
Seattle
US
King County International Airport - Boeing Field
Coordinates
47.53°N, 122.30°W
Hemisphere
N · W
Frequently asked
How far is Seattle (BFI) from Portland (PDX)?
BFI to PDX is 135 miles (217 km / 117 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BFI to PDX?
A nonstop covers the 135-mile great-circle distance in roughly 1h 04m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BFI–PDX?
In May 2026, the Pilatus PC-12 flew the largest share of departures (98.5%), followed by the Boeing 757-200 (1.5%).
What mileage do I earn flying BFI–PDX?
Distance-based programs credit off the 135-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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