Top Deals on Flights from Seattle (SEA) to Detroit (DTW): Travel Guide
Cheapest flight found
$181
Last updated Mar 13, 2026
Prices by Month
Price History
Tracking the Jun 4, 2026 departure — the cheapest date we found.
Price Behavior: SEA → DTW
Based on 6 months of fare data collected by Trip Manta.
Lowest Fare
$181
Highest Fare
$309
Median Fare
$259
Price Spread
$128
Prices vary significantly — hourly tracking is especially valuable here.
Cheapest month to fly: June 2026 (from $181)
Most expensive month: April 2026 (from $309)
Biggest price drop caught: $92 between consecutive checks
Most frequent cheapest airline: Frontier
What This Means for You
Flights from Seattle to Detroit range from $181 to $309, a $128 spread across the months we track. If your dates are flexible, June 2026 tends to have the lowest fares. Because prices on this route change significantly, setting up hourly price alerts gives you the best chance of catching a short-lived drop before it corrects. We have caught drops as large as $92 between hourly checks on this route.
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From
Seattle (SEA)
To
Detroit (DTW)
Airport Information
Seattle (SEA)
Seattle-Tacoma International Airport (SEA), popularly known as Sea-Tac, serves as the primary international gateway for the Pacific Northwest and acts as a major hub for both Alaska Airlines and Delta Air Lines. The airport features a centralized terminal with several satellite concourses connected by an automated underground train system, offering passengers a wide array of local Pacific Northwest dining options, including famous local seafood and world-class artisanal coffee shops to fuel your cross-country journey.
Detroit (DTW)
Detroit Metropolitan Wayne County Airport (DTW) is a premier international facility located in Romulus, Michigan, serving as a massive global hub for Delta Air Lines. The airport is renowned for its sleek McNamara Terminal, which features a famous multi-colored LED light tunnel and an efficient indoor tram system, while the Evans Terminal (formerly the North Terminal) handles various other domestic and international carriers, providing travelers with modern amenities, automated check-in kiosks, and a variety of Michigan-themed retail experiences.
Frequently Asked Questions
How long is the average flight from SEA to DTW?
A direct flight typically takes approximately 4 hours and 15 minutes to 4 hours and 45 minutes, depending on the direction of the jet stream.
Which airlines offer nonstop service between Seattle and Detroit?
Delta Air Lines and Alaska Airlines are the primary carriers that provide daily nonstop flights between Seattle (SEA) and Detroit (DTW).
What is the time difference between Seattle and Detroit?
Detroit is 3 hours ahead of Seattle. When it is 12:00 PM in Seattle, it is 3:00 PM in Detroit.
What is the best time to book a flight for this route?
Fares are generally lowest when booked at least three to five weeks in advance, with mid-week departures (Tuesdays and Wednesdays) often offering the best rates.
Are there public transit options from Detroit Metropolitan Airport?
Yes, the SMART bus system provides high-frequency service from the airport to downtown Detroit and surrounding areas, though many travelers prefer ride-share apps or car rentals.
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Our Methodology
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