Seattle (SEA) to Houston (HOU) flights
One airline flies nonstop from Seattle (SEA) to Houston (HOU): 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 SEA to HOU
- Southwest AirlinesNot in an allianceWho books it
SEA to HOU with one stop
46 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Salt Lake City (SLC)Alaska Airlines and Delta Air Lines, then Southwest Airlines
- 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)Alaska Airlines, then Southwest Airlines
- Via Albuquerque (ABQ)Alaska Airlines and Delta Air Lines, then Southwest Airlines
- Via San Antonio (SAT)Alaska Airlines, then Southwest Airlines
- Via Tulsa (TUL)Alaska Airlines, then Southwest Airlines
- Via El Paso (ELP)Alaska Airlines, then Southwest 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)Alaska Airlines and Delta Air Lines, then Southwest Airlines
- Via Omaha (OMA)Alaska Airlines, then Southwest Airlines
SEA to HOU: common questions
Which airlines fly nonstop from SEA to HOU?
Southwest Airlines flies nonstop from Seattle (SEA) to Houston (HOU).
How far is Seattle from Houston by plane?
Seattle (SEA) and Houston (HOU) 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 SEA to HOU cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SEA to HOU with taxes and fees.
Where can I connect between Seattle and Houston?
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.