Cheapest one-way
$ 163.00
United Airlines · 1 stop · 4 hr 36 min
One-way tickets on DTW–SEA recently started around $ 163.00.
Recent BookingTrolley searches found Detroit to Seattle fares from $ 163.00 — compare live DTW–SEA prices, airlines and durations below.
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 $ 326.00. 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 $ 163.00. Based on this route's seasonal pattern, fares average roughly $ 336.00 over the year. Nov tends to be the cheapest month to fly (around $ 280.00), while Jun is usually the most expensive at about $ 417.00 — a swing of roughly 49%.
Tuesday and Wednesday are typically the cheapest days to fly from Detroit to Seattle. According to BookingTrolley fare data on the Detroit to Seattle route (DTW–SEA), round-trip tickets started at $ 326.00. United States travellers often save by shifting 3–4 days around their preferred date on BookingTrolley.
The cheapest airlines on Detroit to Seattle are United Airlines (from $ 326.00), Alaska Airlines (from $ 342.00), American Airlines (from $ 350.00), according to BookingTrolley's multi-provider comparison priced for the United States market currency when available.
The cheapest flights from Detroit to Seattle started at $ 326.00 round trip with one stop on United Airlines, per BookingTrolley data relevant to United States shoppers. Fares fluctuate with demand.
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.
Shoulder season around peak holidays often pairs softer airfares with lighter crowds. According to BookingTrolley fare data on the Detroit to Seattle route (DTW–SEA), round-trip tickets started at $ 326.00. BookingTrolley suggests booking 4–8 weeks ahead for routes like Detroit to Seattle.
Use BookingTrolley's flexible-date comparison for Detroit (DTW) to Seattle (SEA) to see which days cost least. Avoiding Friday–Sunday peaks is one of the fastest ways for United States travellers to cut the ticket price.
Explore fares from Detroit, into Seattle, and on related corridors with BookingTrolley.
Recent BookingTrolley fares from Detroit to Seattle start at $ 163.00 one-way and $ 326.00 round-trip. Prices and availability change — confirm live before booking.
Last checked 5 hours ago. Prices may differ from live search results.
Cached prices may be outdated. Search live inventory to confirm current fares.
Fastest flight
1 hr 59 min
Shortest outbound time from Detroit to Seattle is about 1 hr 59 min.
Distance
3,093 km
Great-circle distance between DTW and SEA. Typical outbound flight time is about 3.8 hrs.
Starting fares from airlines on this route based on recent searches on BookingTrolley.