Flights from Seattle to Houston

SEAIAH

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

Also known as Houston.

Nonstop
4h 21m
Distance
3,013 km
Frequency
7×/week
One-way from
$127
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

  • UA213507:17→13:404h 23mUnited Airlines
  • AS43810:47→17:144h 27mAlaska Airlines
  • UA175212:00→18:304h 30mUnited Airlines
  • UA166017:05→23:294h 24mUnited Airlines
  • AS24017:35→23:594h 24mAlaska Airlines

Tuesday

  • UA213507:17→13:384h 21mUnited Airlines
  • AS43810:47→17:144h 27mAlaska Airlines
  • UA175212:00→18:304h 30mUnited Airlines
  • UA166017:05→23:294h 24mUnited Airlines
  • AS24017:35→23:594h 24mAlaska Airlines

Wednesday

  • UA213507:17→13:404h 23mUnited Airlines
  • AS43810:47→17:144h 27mAlaska Airlines
  • UA175212:00→18:304h 30mUnited Airlines
  • UA166017:05→23:294h 24mUnited Airlines
  • AS24017:35→23:594h 24mAlaska Airlines

Thursday

  • UA213507:17→13:404h 23mUnited Airlines
  • AS43810:47→17:144h 27mAlaska Airlines
  • UA175212:00→18:304h 30mUnited Airlines
  • UA166017:05→23:294h 24mUnited Airlines
  • AS24017:35→23:594h 24mAlaska Airlines

Friday

  • UA213507:17→13:404h 23mUnited Airlines
  • AS43810:47→17:144h 27mAlaska Airlines
  • UA175212:00→18:304h 30mUnited Airlines
  • UA166017:05→23:294h 24mUnited Airlines
  • AS24017:35→23:594h 24mAlaska Airlines

Saturday

  • UA213507:17→13:404h 23mUnited Airlines
  • AS43810:47→17:144h 27mAlaska Airlines
  • UA175212:00→18:304h 30mUnited Airlines
  • UA166017:05→23:294h 24mUnited Airlines
  • AS24017:35→23:594h 24mAlaska Airlines

Sunday

  • UA213507:17→13:405h 23mUnited Airlines
  • AS43810:47→17:144h 27mAlaska Airlines
  • UA175212:00→18:304h 30mUnited Airlines
  • UA166017:05→23:294h 24mUnited Airlines
  • AS24017:35→23:594h 24mAlaska Airlines

Seattle to Houston — frequently asked

How long is the flight from Seattle to Houston?
SEA–IAH is 4h 21m nonstop, covering 3,013 km (1,872 mi).
Which airlines fly nonstop from Seattle to Houston?
Alaska Airlines, United Airlines operate this route nonstop.
How much is a flight from Seattle to Houston?
One-way fares on SEA–IAH recently started from $127 ($195 nonstop). The lowest recent fare is for travel in December 2026. Fares change daily, so check current prices before booking.
How often do flights run from Seattle to Houston?
The route is served 7 days a week (35 scheduled departures).