Las Vegas (LAS) to Seattle (SEA)
Flight time
≈ 2h 32m
Bearing
337° NW
Las Vegas (LAS) to Seattle (SEA) is 867 miles (1,395 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies LAS–SEA
Filed traffic dataIn May 2026, Alaska Airlines operated the most departures, one of 4 carriers flying nonstop LAS–SEA; the Boeing 737-800 was the most common aircraft at 35% of departures; flights ran 86% full.
Departures
984
May 2026
Seats
169,231
both directions
Passengers
144,843
both directions
Load factor
85.6%
RPM ÷ ASM
Who flies LAS–SEA?
Alaska Airlines operated the most nonstop LAS–SEA departures in May 2026 (464), one of 4 carriers on the route.
- AS
464 departures · 80,749 seats
Share of departures47.2%83.8%
Load
- DL
295 departures · 48,749 seats
Share of departures30.0%89.5%
Load
- WN
185 departures · 30,551 seats
Share of departures18.8%84.7%
Load
- F9
40 departures · 9,182 seats
Share of departures4.1%83.5%
Load
What plane flies LAS–SEA?
In May 2026, the Boeing 737-800 flew 35% of LAS–SEA departures — more than any other aircraft type.
- Boeing 737-800
348 departures · 87.7% load
35.4% - Boeing 737-900ER
260 departures · 82.7% load
26.4% - Boeing 737 MAX 9
168 departures · 86.9% load
17.1% - Boeing 737 MAX 8
116 departures · 84.9% load
11.8% - Boeing 737-700
48 departures · 86.7% load
4.9% - Airbus A321neo
34 departures · 83.6% load
3.5% - Airbus A320
5 departures · 90.0% load
0.5% - Airbus A321
4 departures · 79.1% load
0.4% - Airbus A320neo
1 departures · 75.3% load
0.1%
How has LAS–SEA traffic changed?
Nonstop LAS–SEA departures fell from 1,047 in June 2025 to 984 in May 2026.
Monthly nonstop LAS–SEA traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
1,047 departures · 148,849 passengers
83.1%
Load
July 2025
1,034 departures · 156,635 passengers
86.8%
Load
August 2025
985 departures · 147,979 passengers
86.4%
Load
September 2025
888 departures · 128,359 passengers
83.4%
Load
October 2025
949 departures · 136,228 passengers
83.3%
Load
November 2025
877 departures · 123,226 passengers
81.3%
Load
December 2025
934 departures · 132,618 passengers
84.2%
Load
January 2026
915 departures · 123,846 passengers
79.3%
Load
February 2026
827 departures · 115,390 passengers
81.6%
Load
March 2026
934 departures · 134,173 passengers
83.6%
Load
April 2026
948 departures · 136,124 passengers
83.7%
Load
May 2026
984 departures · 144,843 passengers
85.6%
Load
By direction
Each direction is filed separately — they rarely match.
LAS → SEA
87.8% full
492 departures · 74,382 passengers
SEA → LAS
83.4% full
492 departures · 70,461 passengers
Nonstop LAS–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
Frequently asked
How far is Las Vegas (LAS) from Seattle (SEA)?
LAS to SEA is 867 miles (1,395 km / 753 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from LAS to SEA?
A nonstop covers the 867-mile great-circle distance in roughly 2h 32m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies LAS–SEA?
In May 2026, the Boeing 737-800 flew the largest share of departures (35.4%), followed by the Boeing 737-900ER (26.4%).
What mileage do I earn flying LAS–SEA?
Distance-based programs credit off the 867-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
Trip reports on YouTube
Fliers post trip reports from this route to YouTube. These three were matched automatically from public YouTube listings — The Frequent Flier does not host, review, or endorse them.
AK Aviation
Alaska Airlines 737 MAX 9 Economy Class - Las Vegas to Seattle - TRIP REPORT
16:09 · Jan 2026
The Flip Flop Traveller
Affordable or Cheap? · ALASKA AIRLINES 737 Max First Class 🇺🇸 Seattle to Las Vegas《 The US Series 》
12:26 · Apr 2025
The Trip Reporter
TRIP REPORT | Alaska Airlines (First Class) | Las Vegas to Seattle | Boeing 737-900ER
22:22 · Sep 2023
Source: YouTube. Titles, thumbnails, and channel names come from YouTube. Playing a video loads the YouTube player, and using it means you agree to the YouTube Terms of Service; the Google Privacy Policy applies.
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