flight_takeoff SEA → IAH

Cheap Flights from Seattle to Houston

Compare fares from Seattle (SEA) to Houston (IAH) across hundreds of airlines. The route covers about 1,872 miles with a typical nonstop time of ~4h 15m.

straighten

Distance

1,872 mi

3,013 km

schedule

Est. flight time

4h 15m

nonstop

flight

Nonstop service

Available

4 carriers

language

Time difference

2 hours ahead

Houston

Flying from Seattle to Houston

The journey from Seattle (SEA) to Houston (IAH) spans roughly 1,872 miles (3,013 km), a nonstop flight of about 4h 15m. On arrival, Houston is 2 hours ahead Seattle. Lets Fly Travel compares live fares across hundreds of airlines so you can find the best deal — and every booking is reviewed by a real travel agent.

Airlines on this route

Carriers that have operated nonstop service between SEA and IAH include:

flightAlaska Airlines flightCopa Airlines flightDelta Air Lines flightUnited Airlines

Airline availability changes over time — search your dates for current operators and fares.

Seattle to Houston — FAQs

How long is the flight from Seattle to Houston? expand_more
A nonstop flight from Seattle (SEA) to Houston (IAH) takes approximately 4h 15m, covering a distance of about 1872 miles (3013 km). Actual flight time varies with aircraft, routing and winds.
Which airlines fly from Seattle to Houston? expand_more
Airlines that have operated nonstop service on the SEA–IAH route include Alaska Airlines, Copa Airlines, Delta Air Lines, United Airlines. Use our search to compare current carriers, schedules and fares.
Is there a nonstop flight from Seattle to Houston? expand_more
Yes. The SEA–IAH route has nonstop service. Nonstop availability can vary by season and day of week, so check live results for your dates.
How far is Houston from Seattle? expand_more
The distance from Seattle (SEA) to Houston (IAH) is about 1872 miles (3013 km) as the crow flies.
What is the time difference between Seattle and Houston? expand_more
Houston is 2 hours ahead Seattle. Factor the time change into your arrival and connection planning.
When is the best time to book flights from Seattle to Houston? expand_more
For domestic routes like Seattle to Houston, booking about 1–3 months ahead and choosing mid-week departures usually finds the best prices. Avoid peak Friday and Sunday travel where possible.