Direct (non-stop) flights from Detroit (DTW) to SeaTac (SEA)
Find comprehensive flight information, schedules, and booking details for direct flights from Detroit (DTW) to SeaTac (SEA). This popular route is operated by 2 airlines, offering multiple daily departures.• 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)
Detroit (DTW)
SeaTac (SEA)
FLIGHT TIME
4h 55m - 5h 21m
FLIGHT DISTANCE
1932 miles (3109 km)
5h 2m - 5h 21m
07:13
20:06
1932 miles (3109 km)
January
2 (Show)
56
Flight Schedule
December 2025
Airlines with direct flights from Detroit (DTW) to SeaTac (SEA)
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.
Airline service: This route is primarily served by Alaska Airlines and Delta Air Lines, reflecting hub connections and route network strategies.
Best departure times: Peak departure times are 16:00, 7:00, 8:00, offering more flight options and potentially better connections.
Detroit (DTW) - SeaTac (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
DecRelated Information
Airports: DTW • SEA Airport
Airlines operating this route: Alaska Airlines (AS), Delta Air Lines
Frequently Asked Questions
How many flights operate from DTW to SEA?
There are 6 direct flights operating from DTW to SEA. Approximately 4-7 flights daily.
Which airlines operate flights from DTW to SEA?
2 airlines operate on this route: Alaska Airlines, Delta Air Lines.
How long is the flight from DTW to SEA?
The flight duration from DTW to SEA is approximately 4h 55m - 5h 21m.
What is the distance from DTW to SEA?
The distance from DTW to SEA is 1932 miles (3109 km).
What is the flight time range for this route?
Flight times on this route range from 5h 2m - 5h 21m.
What are the earliest and latest flight departure times?
The earliest flight departs at 07:13 and the latest flight departs at 20:06.
What is the cheapest month to fly from DTW to SEA?
January is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 56 flights operate per week from DTW to SEA.
What types of aircraft operate on this route?
This route is served by Boeing 737MAX 9 Passenger, Airbus A321neo, Boeing 737-900 Passenger.
What is the average flight price from DTW to SEA?
The average flight price for a round-trip ticket from DTW to SEA is approximately $500 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from DTW to SEA for the lowest prices?
January is typically the cheapest month to fly from DTW to SEA. Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from DTW to SEA?
2 airlines offer direct flights from DTW to SEA, providing travelers with multiple options for scheduling and pricing.
How far is SEA from DTW?
The distance from DTW to SEA is 1932 miles (3109 km). This is a long-haul flight route.
How long does it take to fly from DTW to SEA?
The flight time from DTW to SEA is approximately 4h 55m - 5h 21m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.