Cheapest one-way
C$ 223.31
United Airlines · 1 stop · 4 hr 36 min
One-way tickets on DTW–SEA recently started around C$ 223.31.
Flights from Detroit to Seattle
BookingTrolley tracks the Detroit to Seattle route (DTW–SEA), where tickets recently opened at C$ 223.31. See how prices shift by airline, stops and season below.
Detroit to Seattle flights overview
Covering around 3,093 km between DTW and SEA, the quickest nonstop flight takes about 1 hr 59 min. BookingTrolley found 4 airlines currently compete on the DTW–SEA corridor, with United Airlines posting one of the lowest fares at C$ 446.62. 3 of them offer nonstop options, which save layover time but can cost more than connecting itineraries.
The lowest fare BookingTrolley recently tracked from Detroit to Seattle was C$ 223.31. Based on this route's seasonal pattern, fares average roughly C$ 460.32 over the year. Nov tends to be the cheapest month to fly (around C$ 383.60), while Jun is usually the most expensive at about C$ 571.29 — a swing of roughly 49%.
Frequently asked questions about flying from Detroit to Seattle
According to BookingTrolley fare data on the Detroit to Seattle route (DTW–SEA), round-trip tickets started at C$ 446.62. Prices are shown in USD for comparison; Canada travellers should confirm the final checkout currency on BookingTrolley.
A nonstop flight from Detroit to Seattle takes about 1 hr 59 min in the air on the fastest outbound leg, based on BookingTrolley itinerary data from recent searches. Connecting flights add layover time and can extend total travel to a full day or more.
Recent BookingTrolley comparisons list United Airlines (from C$ 446.62), Alaska Airlines (from C$ 468.54), American Airlines (from C$ 479.50) among the lowest fares on Detroit to Seattle. Carrier availability changes with season and sales.
Mid-week departures and shoulder seasons usually cost less. According to BookingTrolley fare data on the Detroit to Seattle route (DTW–SEA), round-trip tickets started at C$ 446.62. BookingTrolley helps Canada travellers spot dips before peak travel.
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