Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Detroit All airports are usually found in January or March, booked 90 days in advance, depart on a Tuesday or Sunday and return on a Tuesday
Find flight deals from Seattle to Detroit
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Detroit (DTT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 September 2026.
Popular in
July
Cheapest in
January
Average price
C$ 661
Highest demand for flights based on searches. 12% potential increase in price (C$ 115 potential increase over avg. RT price).
Best time to book a flight from Seattle to Detroit
Have a flexible travel schedule? Discover the best time to fly to Detroit from Seattle with our price prediction graph.
SEA-DTT
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Detroit
Prices
Airlines
How far ahead should I book a flight from Seattle to Detroit?
Booking 75 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to Detroit. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Seattle to Detroit?
Currently, January is the cheapest month in which you can book a flight from Seattle to Detroit (average of C$ 344). Flying from Seattle to Detroit in July is currently the most expensive (average of C$ 762). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SEA to DTT?
Find hourly flight availability from Seattle to Detroit. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 September 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 77% on flights from Seattle to Detroit by exploring options for tickets in the evening.
Weekly flight availability from Seattle to Detroit
Explore weekly flight availability from Seattle to Detroit. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 21 September 2026.
The most flights from SEA to DTT are scheduled on a Friday (20 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (14 on average).
Related info for your journey
Find useful and relevant information for your journey from Seattle to Detroit. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What are the most reliable airlines from Seattle to Detroit?
Consider Finnair (100%), Cathay Pacific (97%) or Virgin Atlantic (97%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Detroit.
Can I find deals for flights from Seattle to Detroit that include hotel bookings?
Yes. In addition to deals on Seattle to Detroit flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Seattle to Detroit?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Detroit.
Can I find deals for business class flights from Seattle to Detroit?
Yes. Cheapflights offers flight deals from Seattle to Detroit by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Seattle to Detroit?
Currently, January is the cheapest month in which you can book a flight from Seattle to Detroit (average of C$ 344). Flying from Seattle to Detroit in July is currently the most expensive (average of C$ 762). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Detroit departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 21 September 2026.
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on 21 September 2026.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Seattle to Detroit?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Detroit from Seattle today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Seattle to Detroit?
Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to Detroit for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Seattle to Detroit with no change fees?
Yes! Cheapflights helps users easily find flights from Seattle to Detroit with no change fees.
Can Cheapflights notify me if prices for flights from Seattle to Detroit become cheaper?
Not ready to book yet? You can track prices for flights from Seattle to Detroit on Cheapflights with our Price Alert feature and get notified when better prices are available.
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