Houston (HOU) to Seattle (SEA)
Flight time
≈ 4h 35m
Bearing
318° NW
Houston (HOU) to Seattle (SEA) is 1,892 miles (3,046 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies HOU–SEA
Filed traffic dataIn October 2025, Southwest Airlines was the only carrier flying nonstop HOU–SEA; the Boeing 737-700 was the most common aircraft at 50% of departures; flights ran 57% full.
Departures
2
October 2025
Seats
318
both directions
Passengers
180
both directions
Load factor
56.6%
RPM ÷ ASM
Who flies HOU–SEA?
Southwest Airlines was the only carrier to fly nonstop HOU–SEA in October 2025 (2 departures).
- WN
2 departures · 318 seats
Share of departures100.0%56.6%
Load
What plane flies HOU–SEA?
In October 2025, the Boeing 737-700 flew 50% of HOU–SEA departures — more than any other aircraft type.
- Boeing 737-700
1 departures · 46.2% load
50.0% - Boeing 737-800
1 departures · 65.1% load
50.0%
How has HOU–SEA traffic changed?
Nonstop HOU–SEA departures fell from 52 in June 2025 to 2 in October 2025.
Monthly nonstop HOU–SEA traffic, trailing 12 months through October 2025. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
52 departures · 7,746 passengers
87.0%
Load
July 2025
62 departures · 9,490 passengers
90.4%
Load
August 2025
63 departures · 8,773 passengers
89.9%
Load
September 2025
60 departures · 6,820 passengers
75.3%
Load
October 2025
2 departures · 180 passengers
56.6%
Load
By direction
Each direction is filed separately — they rarely match.
HOU → SEA
65.1% full
1 departures · 114 passengers
SEA → HOU
46.2% full
1 departures · 66 passengers
Nonstop HOU–SEA traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through October 2025; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Houston (HOU) from Seattle (SEA)?
HOU to SEA is 1,892 miles (3,046 km / 1,644 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from HOU to SEA?
A nonstop covers the 1,892-mile great-circle distance in roughly 4h 35m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies HOU–SEA?
In October 2025, the Boeing 737-700 flew the largest share of departures (50.0%), followed by the Boeing 737-800 (50.0%).
What mileage do I earn flying HOU–SEA?
Distance-based programs credit off the 1,892-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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