2 airlines fly nonstop from Seattle-Tacoma International Airport to George Bush Intercontinental Airport. Seattle-Tacoma International Airport (Seattle) to George Bush Intercontinental Airport (Houston).
Checking today’s fares with the airlines.
| Airline | From | To |
|---|---|---|
| Alaska Airlines | SEA Seattle-Tacoma International Airport | IAH George Bush Intercontinental Airport |
| United Airlines | SEA Seattle-Tacoma International Airport | IAH George Bush Intercontinental Airport |
Nonstop service as of October 2026. Airlines change schedules seasonally.
23 miles (37 km) from the city centre. 48.4 million passengers in 2024
| How | Route | Cost |
|---|---|---|
| Bus | METRO Route 500 IAH Downtown Direct to the George R. Brown Convention Center | $4.50 one way |
| Bus | METRO Route 102 Bush IAH Express via Greenspoint and I-45 | $1.25 (local fare) |
No passport or visa is needed for domestic travel, but a REAL ID-compliant license or another accepted ID is required to fly within the US.
Houston is 2 hours ahead of Seattle. Houston uses the US dollar (USD).
Read the Houston guide: when to go, weather, airports and tips
Nonstop flight times vary by airline and season; flights with a connection take longer.
As of October 2026, Alaska Airlines and United Airlines fly this route nonstop.
About 1,872 miles (3,013 km) between the airports.
Houston is 2 hours ahead of Seattle.
No passport or visa is needed for domestic travel, but a REAL ID-compliant license or another accepted ID is required to fly within the US.
METRO Route 500 IAH Downtown Direct to the George R. Brown Convention Center, $4.50 one way.
Information checked in October 2026. Schedules, fares and entry rules change, so confirm with the airline or the official source before you travel.