Houston (HOU) to Seattle (SEA) flights
One airline flies nonstop from Houston (HOU) to Seattle (SEA): Southwest Airlines. The two airports are 1,892 miles (3,045 km) apart. There are also 46 ways to fly it with one stop, through Salt Lake City, Denver and Dallas and more.
Airlines flying nonstop from HOU to SEA
- Southwest AirlinesNot in an allianceWho books it
HOU to SEA with one stop
46 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Salt Lake City (SLC)Southwest Airlines, then Alaska Airlines and Delta Air Lines
- Via Denver (DEN)Southwest Airlines the whole way+3
- Via Dallas (DFW)American Airlines the whole way
- Via Dallas (DAL)Southwest Airlines the whole way
- Via Austin (AUS)Southwest Airlines the whole way
- Via Oklahoma City (OKC)Southwest Airlines, then Alaska Airlines
- Via Albuquerque (ABQ)Southwest Airlines, then Alaska Airlines and Delta Air Lines
- Via San Antonio (SAT)Southwest Airlines, then Alaska Airlines
- Via Tulsa (TUL)Southwest Airlines, then Alaska Airlines
- Via El Paso (ELP)Southwest Airlines, then Alaska Airlines
- Via Las Vegas (LAS)Southwest Airlines the whole way+2
- Via Phoenix (PHX)Southwest Airlines the whole way+1
- Via Kansas City (MCI)Southwest Airlines the whole way
- Via Tucson (TUS)Southwest Airlines, then Alaska Airlines and Delta Air Lines
- Via Omaha (OMA)Southwest Airlines, then Alaska Airlines
HOU to SEA: common questions
Which airlines fly nonstop from HOU to SEA?
Southwest Airlines flies nonstop from Houston (HOU) to Seattle (SEA).
How far is Houston from Seattle by plane?
Houston (HOU) and Seattle (SEA) are 1,892 miles (3,045 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does HOU to SEA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for HOU to SEA with taxes and fees.
Where can I connect between Houston and Seattle?
The most direct connections are through Salt Lake City (SLC), Denver (DEN), Dallas (DFW), Dallas (DAL) and Austin (AUS). On 18 of them the same airline flies both flights, for example Southwest Airlines through Denver.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.