Lewiston (LWS) to Seattle (SEA)
Flight time
≈ 1h 19m
Bearing
288° W
Lewiston (LWS) to Seattle (SEA) is 261 miles (419 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies LWS–SEA
Filed traffic dataIn May 2026, SkyWest Airlines was the only carrier flying nonstop LWS–SEA; the Embraer E175 was the most common aircraft at 100% of departures; flights ran 72% full.
Departures
62
May 2026
Seats
4,430
both directions
Passengers
3,202
both directions
Load factor
72.3%
RPM ÷ ASM
Who flies LWS–SEA?
SkyWest Airlines was the only carrier to fly nonstop LWS–SEA in May 2026 (62 departures).
- OO
62 departures · 4,430 seats
Share of departures100.0%72.3%
Load
What plane flies LWS–SEA?
In May 2026, the Embraer E175 flew 100% of LWS–SEA departures.
- Embraer E175
62 departures · 72.3% load
100.0%
How has LWS–SEA traffic changed?
Nonstop LWS–SEA departures rose from 60 in June 2025 to 62 in May 2026.
Monthly nonstop LWS–SEA traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
60 departures · 3,491 passengers
82.4%
Load
July 2025
62 departures · 3,380 passengers
77.9%
Load
August 2025
60 departures · 3,087 passengers
73.3%
Load
September 2025
61 departures · 3,223 passengers
73.6%
Load
October 2025
62 departures · 3,527 passengers
81.3%
Load
November 2025
60 departures · 3,166 passengers
71.0%
Load
December 2025
61 departures · 3,233 passengers
74.8%
Load
January 2026
60 departures · 2,888 passengers
68.1%
Load
February 2026
56 departures · 2,585 passengers
65.0%
Load
March 2026
60 departures · 2,631 passengers
61.7%
Load
April 2026
60 departures · 2,676 passengers
60.4%
Load
May 2026
62 departures · 3,202 passengers
72.3%
Load
By direction
Each direction is filed separately — they rarely match.
LWS → SEA
70.4% full
31 departures · 1,562 passengers
SEA → LWS
74.1% full
31 departures · 1,640 passengers
Nonstop LWS–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
Lewiston
US
Lewiston Nez Perce County Airport
Coordinates
46.37°N, 117.02°W
Hemisphere
N · W
Frequently asked
How far is Lewiston (LWS) from Seattle (SEA)?
LWS to SEA is 261 miles (419 km / 226 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from LWS to SEA?
A nonstop covers the 261-mile great-circle distance in roughly 1h 19m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies LWS–SEA?
In May 2026, the Embraer E175 flew the largest share of departures (100.0%).
What mileage do I earn flying LWS–SEA?
Distance-based programs credit off the 261-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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