Bellingham (BLI) to Seattle (SEA)
Flight time
≈ 0h 59m
Bearing
173° S
Bellingham (BLI) to Seattle (SEA) is 94 miles (150 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BLI–SEA
Filed traffic dataIn June 2026, SkyWest Airlines operated the most departures, one of 2 carriers flying nonstop BLI–SEA; the Embraer E175 was the most common aircraft at 99% of departures; flights ran 88% full.
Departures
180
June 2026
Seats
13,790
both directions
Passengers
12,191
both directions
Load factor
88.4%
RPM ÷ ASM
Who flies BLI–SEA?
SkyWest Airlines operated the most nonstop BLI–SEA departures in June 2026 (179), one of 2 carriers on the route.
- OO
179 departures · 13,604 seats
Share of departures99.4%89.6%
Load
- SY
1 departures · 186 seats
Share of departures0.6%0.0%
Load
What plane flies BLI–SEA?
In June 2026, the Embraer E175 flew 99% of BLI–SEA departures — more than any other aircraft type.
- Embraer E175
179 departures · 89.6% load
99.4% - Boeing 737-800
1 departures · 0.0% load
0.6%
How has BLI–SEA traffic changed?
Nonstop BLI–SEA departures fell from 247 in July 2025 to 180 in June 2026.
Monthly nonstop BLI–SEA traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
247 departures · 16,207 passengers
85.8%
Load
August 2025
247 departures · 16,158 passengers
85.6%
Load
September 2025
242 departures · 15,343 passengers
82.9%
Load
October 2025
244 departures · 15,467 passengers
83.4%
Load
November 2025
212 departures · 12,513 passengers
77.7%
Load
December 2025
242 departures · 14,555 passengers
79.1%
Load
January 2026
183 departures · 11,653 passengers
83.8%
Load
February 2026
162 departures · 9,931 passengers
80.0%
Load
March 2026
177 departures · 10,529 passengers
77.6%
Load
April 2026
181 departures · 10,791 passengers
77.8%
Load
May 2026
189 departures · 11,745 passengers
79.9%
Load
June 2026
180 departures · 12,191 passengers
88.4%
Load
By direction
Each direction is filed separately — they rarely match.
BLI → SEA
91.1% full
90 departures · 6,231 passengers
SEA → BLI
85.8% full
90 departures · 5,960 passengers
Nonstop BLI–SEA traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through June 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Bellingham (BLI) from Seattle (SEA)?
BLI to SEA is 94 miles (150 km / 81 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BLI to SEA?
A nonstop covers the 94-mile great-circle distance in roughly 0h 59m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BLI–SEA?
In June 2026, the Embraer E175 flew the largest share of departures (99.4%), followed by the Boeing 737-800 (0.6%).
What mileage do I earn flying BLI–SEA?
Distance-based programs credit off the 94-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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