HoustonSeattle

Flights from Houston to Seattle

Nonstop flights from Houston (IAH) to Seattle (SEA) take about 4h 16m (3,013 km). Alaska Airlines and United Airlines fly it. Lowest fare seen: $344 one-way, nonstop (22 Oct 2026).

All flights from Houston →All flights to Seattle →

Photo of Seattle: Stephen Leonardi on Pexels.

When you land in Seattle

The airport transfer and the few things worth sorting before you fly.

Alaska Airlines plane soaring through a bright sky with fluffy clouds in Seattle. — arriving in Seattle

Airport transfer

SEA → Seattle, booked before you fly

A private driver meets you in arrivals at a price agreed when you book. Book with Welcome Pickups.

See transfer prices

Stunning aerial view of Houston's illuminated skyline featuring skyscrapers and highways at night. — lounges at Houston George Bush Intercontinental Airport

Houston George Bush Intercontinental Airport · 2 lounges

Before you flyAirport lounges at Houston George Bush Intercontinental →

Trains, buses and taxi faresSEA to Seattle: getting into town →Early arrival or late flightLuggage storage in Seattle →10 drop-off points, from $4.90

Things to book in Seattle

All 22 things to do in Seattle →

from €3.57

Seattle Center Monorail 4.5 · 1,891 Tiqets reviews

from €44.59

Seattle Aquarium 4.3 · 353 Tiqets reviews

from €20.49

Woodland Park Zoo 4.6 · 143 Tiqets reviews

from €43.10

Seattle Sightseeing Cruises 4.6 · 61 Tiqets reviews

Find hotels in Seattle

Hotels, hostels & more · Expedia

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Airlines flying Houston to Seattle

Carriers on IAH–SEA according to our route data and nonstop fares seen as of 22 Oct 2026. Not a complete list.

✈ Alaska Airlinesnonstop fare seen✈ United Airlinesnonstop fare seen

More for this trip

Frequently asked questions — Houston to Seattle flights

How long is the flight from Houston to Seattle?

A nonstop flight from Houston (IAH) to Seattle (SEA) takes about 4h 16m, covering 3,013 km. That is an estimate from the distance — actual time varies with the airline, aircraft and winds, and connecting itineraries take longer.

How far is Houston from Seattle by air?

The great-circle distance between George Bush Intercontinental Airport and Seattle–Tacoma International Airport is 3,013 km (1,872 miles), a medium-haul route.

Which airlines fly from Houston to Seattle?

Airlines with flights or nonstop fares on the IAH–SEA route include Alaska Airlines and United Airlines. This is not a complete list — schedules change by season, so check the current options before booking.

How much does a flight from Houston to Seattle cost?

The lowest one-way fare seen recently on IAH–SEA was $344 USD with Alaska Airlines (nonstop), departing 31 Dec 2026, found in fare searches as of 22 Oct 2026. Fares change constantly and depend on the date, so check the current price before booking.

Is it cheaper to fly nonstop or with a stop from Houston to Seattle?

In the fares we saw (22 Oct 2026), connecting was cheaper: from $225 with one stop against $344 nonstop, a saving of $119. Nonstop saves the connection time.

Do I need a visa to travel from Houston to Seattle?

It depends on your passport. Some nationalities can enter Seattle visa-free or get a visa on arrival; others must apply in advance. Use AirConnect's Visa Checker to see the rules for your passport.

Sources: fares from Travelpayouts flight-search data, seen 22 Oct 2026; airlines from each carrier's published network and nonstop fares on sale; distance from OurAirports coordinates; flight time estimated from distance. Fares change daily.

Ready to book IAH–SEA?

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