Seattle to Detroit (SEA–DTW) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
SEA–DTW is served by 2 airlines with nonstop service. Delta Air Lines and Alaska Airlines lead the route. The flight covers 1,922 miles in approximately 4h 9m. Beyond nonstop, 79 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| DL Delta Air Lines Also: AF, KE, VS | 35 | 32Q, 739, 753 | 4h13-4h35 | SkyTeam | AF, KE, VS | |
| AS Alaska Airlines Also: HA, JL | 21 | 739, 73H, 7M9 | 4h26-4h34 | Oneworld | HA, JL |
Weekly Schedule Pattern
Connection Landscape
Travel Essentials
SEA: PDT · DTW: EDT
When it's 6:00 PM in Seattle, it's 9:00 PM in Detroit.
Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).
Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.
DTW has no rail. Ride-shares and taxis are the practical options. Taxis to downtown cost $45–60. Ride-shares run $30–45. The two terminals (McNamara and North) are connected by the automated people mover (MTC); both share the same baggage claim and ground transport facilities.Car rental desks are in the consolidated facility accessible from McNamara Terminal. SMART bus Route 261 serves the airport with transfers into the bus network. Allow extra time for I-94 congestion during peak hours.
Humid continental climate. Winters are cold and snowy (−8 to 0°C) from December through March. Lake Erie and Lake St. Clair generate significant lake-effect snow that can fall heavily with little warning. Ice storms and blizzards cause the most serious flight disruptions.
Summers are warm and humid (26–32°C) with frequent afternoon thunderstorms. Spring and fall are transitional with frost risk into April and from October. January and February are the highest disruption-risk months.
SEA–DTW Quick Facts
Frequently Asked Questions
Flights from SEA to DTW
Seattle–Tacoma International Airport (SEA) and Detroit Metropolitan Wayne County Airport (DTW) are connected by nonstop service from Alaska Airlines and Delta Air Lines. With 99 weekly departures, this is a heavily served route.
SEA to DTW Flight Duration and Schedule
Nonstop flight time from SEA to DTW ranges from 4 hours 9 minutes to 4 hours 35 minutes. The route covers a distance of 1,922 miles (3,093 km). There are approximately 99 weekly flights outbound and 99 return, totaling 198 flights per week in both directions.
Connecting Options and Alternatives
79 one-stop connections are available, with the fastest taking approximately 6 hours via CPS. Two-stop connections are also available via intermediate hubs.