Alaska Airlines flights from DTW to SEA
Find comprehensive Alaska Airlines flight information, schedules, and booking details for direct flights from DTW to SEA. Alaska Airlines operates 4-7 flights daily flights on this route.• Flight Duration: 4h 55m - 5h 21m (average flight time)• Distance: 1932 miles (3109 km) (air miles between airports)• Daily Flights: 4-7 flights (scheduled departures per day)
DTW
SEA
FLIGHT TIME
4h 55m - 5h 21m
FLIGHT DISTANCE
1932 miles (3109 km)
5h 6m - 5h 7m
07:13
16:53
1932 miles (3109 km)
January
1 (Show)
56
Alaska Airlines Flight Schedule from DTW to SEA
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
AS138 |  Alaska Airlines | 07:13 | 09:20:00 | Boeing 737MAX 9 Passenger |
AS313 | Alaska Airlines | 16:53 | 18:59:00 | Boeing 737MAX 9 Passenger |
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 55m - 5h 21m.
Pricing patterns: January typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 7:00, 16:00, offering more flight options and potentially better connections.
DTW - SEA flight price statistics
$500
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.
$276
Jan$618
Feb$342
Mar$354
Apr$1058
May$618
Jun$618
Jul$488
Aug$358
Sep$358
Oct$358
Nov$548
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 DTW to SEA?
Alaska Airlines operates 2 flights from DTW to SEA.
What city does SEA airport serve?
SEA airport serves SeaTac.
How long is the Alaska Airlines flight from DTW to SEA?
The flight duration is approximately 4h 55m - 5h 21m.
What is the distance from DTW to SEA?
The distance is 1932 miles (3109 km).
What aircraft does Alaska Airlines use on this route?
Alaska Airlines uses Boeing 737MAX 9 Passenger on this route.
Which other airlines operate on this route?
1 other airline operates on this route: Delta Air Lines.
What are the earliest and latest Alaska Airlines flight departure times?
The earliest Alaska Airlines flight departs at 07:13 and the latest departs at 16:53.
What is the cheapest month to fly Alaska Airlines from DTW to SEA?
January is typically the cheapest month to fly Alaska Airlines on this route.
What is the average price for a Alaska Airlines flight from DTW to SEA?
The average price for a round-trip Alaska Airlines flight on this route is approximately $500. Prices can vary based on booking time and demand.
How many Alaska Airlines flights operate per week on this route?
Alaska Airlines operates approximately 56 flights per week from DTW to SEA.