Flights operate between Houston (IAH) and SeaTac (SEA).
1 airline operates this route with 3-5 flights daily flights.
Average flight time is 4h 40m - 5h 07m.
Route distance is 1883 miles (3030 km).
Route Distance
1883 miles (3030 km)
Average Duration
4h 40m - 5h 07m
Airlines Operating This Route
Alaska Airlines
Flight Frequency
Daily Flights
3-5 flights
Weekly Flights
35
Typical Departure Time Ranges
Earliest Departure
07:06
Latest Departure
18:58
Route Intelligence Dashboard
Overall Connectivity Score
60
GoodRoute Diversity
1
Direct Routes
Alaska Airlines serves 1 destination from IAH
Weekly Frequency
14
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| IAH → SeaTac (SEA) (SEA) | 14/week | 4h 40m - 5h 07m | 1,883 km | Moderate |
Flight Schedule & Filters
Alaska Airlines flights from Houston (IAH) to SeaTac (SEA)
Alaska Airlines operates scheduled nonstop flights between Houston (IAH) and SeaTac (SEA). Alaska Airlines operates 3-5 flights daily flights on this route.• Flight Duration: 4h 40m - 5h 07m (average flight time)• Distance: 1883 miles (3030 km) (air miles between airports)• Daily Flights: 3-5 flights (scheduled departures per day)
Houston (IAH)
US
SeaTac (SEA)
US
FLIGHT TIME
4h 40m - 5h 07m
FLIGHT DISTANCE
1883 miles (3030 km)
4h 59m - 4h 59m
07:06
18:58
1883 miles (3030 km)
March
1 (Show)
35
Alaska Airlines Terminal Information & Contact
Departure Terminal - Houston (IAH)
Terminal: A
Phone: 1-800-252-7522
Location: A, Houston, US
Arrival Terminal - SeaTac (SEA)
Terminal: 1
Phone: 1-800-252-7522
Location: 1, Seattle, US
Alaska Airlines Flight Schedule from Houston (IAH) to SeaTac (SEA)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
AS453 |  Alaska Airlines | 07:06 | 10:05:00 | Boeing 737-800 (winglets) Passenger/BBJ2 |
AS439 | Alaska Airlines | 18:58 | 21:57:00 | Boeing 737-900 (winglets) Passenger/BBJ3 |
Alaska Airlines Monthly Flight Calendar
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Alaska Airlines Terminal Information
Departure Terminal at Houston (IAH):
Terminal A:
• Alaska Airlines Terminal Phone: 1-800-252-7522
Arrival Terminal at SeaTac (SEA):
• Terminal : Alaska Airlines operates from this terminal
Terminal 1:
• Alaska Airlines Terminal Phone: 1-800-252-7522
Alaska Airlines Contact Information and Customer Services
Alaska Airlines Address
P.O. Box 68900
Seattle, WA 98168, USA
Customer Service Phone
+1 800 654 5669Official Website
alaskaair.com/Frequently Asked Questions
How many Alaska Airlines flights operate from Houston (IAH) to Seattle (SEA)?
Alaska Airlines operates 2 flights from Houston (IAH) to Seattle (SEA).
What city does Seattle (SEA) airport serve?
Seattle (SEA) airport serves SeaTac, US.
How long is the Alaska Airlines flight from Houston (IAH) to Seattle (SEA)?
The flight duration is approximately 4h 40m - 5h 07m.
What is the distance from Houston (IAH) to Seattle (SEA)?
The distance is 1883 miles (3030 km).
What aircraft does Alaska Airlines use on this route?
Alaska Airlines uses Boeing 737-800 (winglets) Passenger/BBJ2, Boeing 737-900 (winglets) Passenger/BBJ3 on this route.
Which other airlines operate on this route?
1 other airline operates on this route: United Airlines.
What are the earliest and latest Alaska Airlines flight departure times?
The earliest Alaska Airlines flight departs at 07:06 and the latest departs at 18:58.
View all Alaska Airlines flights to Houston (IAH) →
Popular Alaska Airlines routes from Houston include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.