Seattle to Houston Flight Schedule — Daily Timetable & Departure Times

Schedule for 26 Apr 2026 · International · SEA Airport (SEA) → IAH Airport (IAH)

Seattle to Houston Daily Flight Schedule — Today's Timetable

5
Daily flights
6:30 AM
First departure
11:35 PM
Last departure
3,013 km
Flight distance
Flight Airline Departure Arrival Duration Aircraft Stops
UA-2135 UA 6:30 AM 12:51 PM 6h 21m B737 MAX 9 Direct
AS-438 AS 9:13 AM 3:46 PM 6h 33m 73J Direct
UA-2860 UA 1:58 PM 8:27 PM 6h 29m B737 MAX 9 Direct
AS-398 AS 10:50 PM 5:16 AM 6h 26m B737 MAX 9 Direct
UA-2693 UA 11:35 PM 5:56 AM 6h 21m B737 MAX 8 Direct

Airlines Flying Seattle to Houston

The following airlines operate direct flights on the Seattle (SEA) to Houston (IAH) route:

UAAS

UA operates 3 flights daily on this route using B737 MAX 9, B737 MAX 8 aircraft.

AS operates 2 flights daily on this route using 73J, B737 MAX 9 aircraft.

Seattle to Houston Flight Time & Route Information

The flight distance from Seattle (SEA) to Houston (IAH) is approximately 3,013 km. The typical non-stop flight time on this route is –, depending on the aircraft and airline.

Flights from Seattle to Houston depart from SEA Airport (SEA) and arrive at IAH Airport (IAH). The first flight of the day departs at 6:30 AM and the last flight departs at 11:35 PM.

Looking for cheap Seattle to Houston flight tickets? Compare live fares and book directly on HappyFares at the lowest airfare.

Frequently Asked Questions — Seattle to Houston Flight Schedule

How many flights operate from Seattle to Houston daily?

5 flights operate from Seattle to Houston daily. Airlines on this route include UA, AS.

What is the first flight from Seattle to Houston?

The first flight from Seattle to Houston is UA-2135 operated by UA, departing at 6:30 AM.

What is the last flight from Seattle to Houston?

The last flight from Seattle to Houston is UA-2693 operated by UA, departing at 11:35 PM.

What is the flight time from Seattle to Houston?

The flight distance from Seattle to Houston is 3,013 km. Flight time varies by airline and aircraft type.

Which airlines fly from Seattle to Houston?

UA, AS operate flights on the Seattle to Houston route. Use HappyFares to compare fares across all airlines and book the cheapest ticket.

What is the Seattle to Houston flight schedule today?

Today's Seattle to Houston flight schedule has 5 flights. Departures range from 6:30 AM (UA UA-2135) to 11:35 PM (UA UA-2693).

How to check Seattle to Houston live flight status?

For live Seattle to Houston flight status including delays, gate changes, and real-time tracking, visit our dedicated flight status page.

What is the cheapest Seattle to Houston flight ticket?

To find the cheapest Seattle to Houston flight ticket, compare fares across all airlines on HappyFares. Book 3–6 weeks in advance and fly mid-week for the lowest airfare on this route.

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