Seattle (BFI) to Lopez (LPS)
Flight time
≈ 0h 57m
Bearing
336° NW
Seattle (BFI) to Lopez (LPS) is 72 miles (117 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BFI–LPS
US DOT T-100 · filed dataIn February 2026, Kenmore Air Harbor was the only carrier flying nonstop BFI–LPS; the Cessna 208 Caravan was the most common aircraft at 100% of departures; flights ran 34% full.
Departures
5
February 2026
Seats
41
both directions
Passengers
14
both directions
Load factor
34.2%
passengers ÷ seats
Who flies BFI–LPS?
Kenmore Air Harbor was the only carrier to fly nonstop BFI–LPS in February 2026 (5 departures).
- M5
Kenmore Air Harbor
5 departures · 41 seats
Share of departures100.0%34.2%
Load
What plane flies BFI–LPS?
In February 2026, the Cessna 208 Caravan flew 100% of BFI–LPS departures.
- Cessna 208 Caravan
5 departures · 34.2% load
100.0%
How has BFI–LPS traffic changed?
Nonstop BFI–LPS departures rose from 1 in May 2025 to 5 in February 2026.
Monthly nonstop BFI–LPS traffic, trailing 12 months through February 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
1 departures · 0 passengers
0.0%
Load
June 2025
3 departures · 4 passengers
22.2%
Load
July 2025
4 departures · 13 passengers
54.2%
Load
August 2025
0 departures · 0 passengers
—
Load
September 2025
1 departures · 5 passengers
83.3%
Load
October 2025
0 departures · 0 passengers
—
Load
November 2025
12 departures · 62 passengers
63.3%
Load
December 2025
7 departures · 37 passengers
64.9%
Load
January 2026
8 departures · 41 passengers
63.1%
Load
February 2026
5 departures · 14 passengers
34.2%
Load
By direction
The DOT files each direction separately — they rarely match.
LPS → BFI
48.0% full
3 departures · 12 passengers
BFI → LPS
12.5% full
2 departures · 2 passengers
Nonstop BFI–LPS traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through February 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Seattle
US
King County International Airport - Boeing Field
Coordinates
47.53°N, 122.30°W
Hemisphere
N · W
Lopez
US
Lopez Island Airport
Coordinates
48.48°N, 122.94°W
Hemisphere
N · W
Frequently asked
How far is Seattle (BFI) from Lopez (LPS)?
BFI to LPS is 72 miles (117 km / 63 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BFI to LPS?
A nonstop covers the 72-mile great-circle distance in roughly 0h 57m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BFI–LPS?
In February 2026, the Cessna 208 Caravan flew the largest share of departures (100.0%).
What mileage do I earn flying BFI–LPS?
Distance-based programs credit off the 72-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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