Walla Walla (ALW) to Seattle (SEA)
Flight time
≈ 1h 13m
Bearing
298° NW
Walla Walla (ALW) to Seattle (SEA) is 212 miles (341 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies ALW–SEA
Filed traffic dataIn May 2026, Horizon Air was the only carrier flying nonstop ALW–SEA; the Embraer E175 was the most common aircraft at 100% of departures; flights ran 70% full.
Departures
121
May 2026
Seats
9,196
both directions
Passengers
6,444
both directions
Load factor
70.1%
RPM ÷ ASM
Who flies ALW–SEA?
Horizon Air was the only carrier to fly nonstop ALW–SEA in May 2026 (121 departures).
- QX
121 departures · 9,196 seats
Share of departures100.0%70.1%
Load
What plane flies ALW–SEA?
In May 2026, the Embraer E175 flew 100% of ALW–SEA departures.
- Embraer E175
121 departures · 70.1% load
100.0%
How has ALW–SEA traffic changed?
Nonstop ALW–SEA departures rose from 118 in June 2025 to 121 in May 2026.
Monthly nonstop ALW–SEA traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
118 departures · 6,983 passengers
77.9%
Load
July 2025
120 departures · 6,477 passengers
71.0%
Load
August 2025
122 departures · 6,214 passengers
68.0%
Load
September 2025
120 departures · 6,355 passengers
69.7%
Load
October 2025
122 departures · 6,755 passengers
72.9%
Load
November 2025
112 departures · 5,997 passengers
70.5%
Load
December 2025
114 departures · 6,162 passengers
71.1%
Load
January 2026
118 departures · 5,447 passengers
60.7%
Load
February 2026
111 departures · 5,136 passengers
60.9%
Load
March 2026
121 departures · 6,343 passengers
69.0%
Load
April 2026
120 departures · 6,049 passengers
66.3%
Load
May 2026
121 departures · 6,444 passengers
70.1%
Load
By direction
Each direction is filed separately — they rarely match.
SEA → ALW
68.0% full
61 departures · 3,152 passengers
ALW → SEA
72.2% full
60 departures · 3,292 passengers
Nonstop ALW–SEA 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
Walla Walla
US
Walla Walla Regional Airport
Coordinates
46.09°N, 118.29°W
Hemisphere
N · W
Frequently asked
How far is Walla Walla (ALW) from Seattle (SEA)?
ALW to SEA is 212 miles (341 km / 184 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from ALW to SEA?
A nonstop covers the 212-mile great-circle distance in roughly 1h 13m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies ALW–SEA?
In May 2026, the Embraer E175 flew the largest share of departures (100.0%).
What mileage do I earn flying ALW–SEA?
Distance-based programs credit off the 212-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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