Alaska Airlines flights from IAH to SEA
Find comprehensive Alaska Airlines flight information, schedules, and booking details for direct flights from IAH to 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)
IAH
SEA
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 Flight Schedule from IAH to 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
December 2025
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 4h 40m - 5h 07m.
Pricing patterns: March typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 7:00, 18:00, offering more flight options and potentially better connections.
IAH - SEA flight price statistics
$475
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$476
Jan$638
Feb$331
Mar$338
Apr$1036
May$637
Jun$538
Jul$358
Aug$338
Sep$338
Oct$338
Nov$338
DecAlaska Airlines Terminal Information
Terminal information for Alaska Airlines on this route is currently being updated. Please check back soon or contact the airports directly for terminal details.
Frequently Asked Questions about Alaska Airlines Flights
How many Alaska Airlines flights operate from IAH to SEA?
Alaska Airlines operates 2 flights from IAH to SEA.
What city does SEA airport serve?
SEA airport serves SeaTac.
How long is the Alaska Airlines flight from IAH to SEA?
The flight duration is approximately 4h 40m - 5h 07m.
What is the distance from IAH to 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.
What is the cheapest month to fly Alaska Airlines from IAH to SEA?
March is typically the cheapest month to fly Alaska Airlines on this route.
What is the average price for a Alaska Airlines flight from IAH to SEA?
The average price for a round-trip Alaska Airlines flight on this route is approximately $475. Prices can vary based on booking time and demand.
How many Alaska Airlines flights operate per week on this route?
Alaska Airlines operates approximately 35 flights per week from IAH to SEA.