Flights from Houston to Seattle

IAHSEA

George Bush Intercontinental Airport (Houston, United States) → Seattle–Tacoma International Airport (Seattle, United States)

Also known as Houston.

Nonstop
4h 51m
Distance
3,013 km
Frequency
7×/week
One-way from
$118
Airlines
Alaska Airlines, United Airlines
Book on Aviasales

Fares by month

One-way, per person

Lowest fares Aviasales travelers found in recent searches; some may include a connection. Prices change often — tap a month to see live fares.

Weekly schedule

Monday

  • AS28007:02→09:534h 51mAlaska Airlines
  • UA106210:20→13:255h 5mUnited Airlines
  • AS43914:27→17:184h 51mAlaska Airlines
  • UA263816:25→19:174h 52mUnited Airlines
  • UA234119:55→22:514h 56mUnited Airlines

Tuesday

  • AS28007:02→09:534h 51mAlaska Airlines
  • UA106210:20→13:255h 5mUnited Airlines
  • AS43914:27→17:184h 51mAlaska Airlines
  • UA263816:25→19:174h 52mUnited Airlines
  • UA234119:55→22:514h 56mUnited Airlines

Wednesday

  • AS28007:02→09:534h 51mAlaska Airlines
  • UA106210:20→13:255h 5mUnited Airlines
  • AS43914:27→17:184h 51mAlaska Airlines
  • UA263816:25→19:174h 52mUnited Airlines
  • UA234119:55→22:514h 56mUnited Airlines

Thursday

  • AS28007:02→09:534h 51mAlaska Airlines
  • UA106210:20→13:255h 5mUnited Airlines
  • AS43914:27→17:184h 51mAlaska Airlines
  • UA263816:25→19:174h 52mUnited Airlines
  • UA234119:55→22:514h 56mUnited Airlines

Friday

  • AS28007:02→09:534h 51mAlaska Airlines
  • UA106210:20→13:255h 5mUnited Airlines
  • AS43914:27→17:184h 51mAlaska Airlines
  • UA263816:25→19:174h 52mUnited Airlines
  • UA234119:55→22:514h 56mUnited Airlines

Saturday

  • AS28007:02→09:534h 51mAlaska Airlines
  • UA106210:20→13:255h 5mUnited Airlines
  • AS43914:27→17:184h 51mAlaska Airlines
  • UA263816:25→19:174h 52mUnited Airlines
  • UA234119:55→22:514h 56mUnited Airlines

Sunday

  • AS28007:02→09:534h 51mAlaska Airlines
  • UA106210:20→13:255h 5mUnited Airlines
  • AS43914:27→17:184h 51mAlaska Airlines
  • UA263816:25→19:174h 52mUnited Airlines
  • UA234119:57→22:534h 56mUnited Airlines

Houston to Seattle — frequently asked

How long is the flight from Houston to Seattle?
IAH–SEA is 4h 51m nonstop, covering 3,013 km (1,872 mi).
Which airlines fly nonstop from Houston to Seattle?
Alaska Airlines, United Airlines operate this route nonstop.
How much is a flight from Houston to Seattle?
One-way fares on IAH–SEA recently started from $118 ($273 nonstop). The lowest recent fare is for travel in January 2027. Fares change daily, so check current prices before booking.
How often do flights run from Houston to Seattle?
The route is served 7 days a week (35 scheduled departures).