
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $376 (Kiwi.com) |
One-way from | $208 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $468 |
Good round-trip deal | $477 or less |
Good one-way deal | $281 or less |
Fly from
Fly to
Route
Depart
Return
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Tue 8/25
6:00 am-7:49 am
Nonstop4h 49m
Seattle/Tacoma Intl
Sat 8/29
5:30 am-12:42 pm
Nonstop4h 12m
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Fri 8/28
6:00 am-7:49 am
Nonstop4h 49m
Seattle/Tacoma Intl
Sat 9/5
11:10 pm-6:23 am
Nonstop4h 13m
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Wed 10/21
12:40 pm-2:45 pm
Nonstop5h 05m
Seattle/Tacoma Intl
Tue 10/27
3:00 pm-10:16 pm
Nonstop4h 16m
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Wed 8/26
6:00 am-7:49 am
Nonstop4h 49m
Seattle/Tacoma Intl
Sat 8/29
5:30 am-12:42 pm
Nonstop4h 12m
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Fri 9/18
6:18 pm-11:58 pm
1 stop8h 40m
Seattle/Tacoma Intl
Mon 9/21
6:00 am-1:20 pm
Nonstop4h 20m
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Thu 8/27
8:05 pm-10:05 pm
Nonstop5h 00m
Seattle/Tacoma Intl
Mon 8/31
11:59 pm-11:42 am
1 stop8h 43m
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Mon 8/24
8:30 am-10:31 am
Nonstop5h 01m
Seattle/Tacoma Intl
Mon 8/31
12:36 pm-11:43 pm
1 stop8h 07m
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Wed 9/16
6:00 am-1:20 pm
2 stops10h 20m
Seattle/Tacoma Intl
Sat 9/19
7:40 am-9:00 pm
2 stops10h 20m
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Wed 9/2
3:35 pm-11:05 pm
2 stops10h 30m
Seattle/Tacoma Intl
Fri 9/11
11:05 pm-12:30 pm
2 stops10h 25m
DetroitSeattle
DTW - SEA
DTWSEA
Detroit Metropolitan Wayne County
Fri 9/4
1:15 pm-9:15 pm
2 stops11h 00m
Seattle/Tacoma Intl
Wed 9/9
6:40 am-8:30 pm
2 stops10h 50m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
Currently, April is the cheapest month in which you can book a flight from Detroit to Seattle (average of $111). Flying from Detroit to Seattle in June is currently the most expensive (average of $1,302). 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.
It’s optimal to fly from Detroit to Seattle in the evening. By choosing this option you can save up to 41% on the cost of your flight, compared to a flight at noon.
The most flights from DTT to SEA are scheduled on a Wednesday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).
Denver (DEN) – chosen by Cheapflights users on 75% of 1-stop itineraries from Detroit to Seattle on Cheapflights.
Phoenix (PHX) is the most affordable 1-stop option, with an average round-trip price of $272.
Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 18h 38m.
Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 10h 15m.
The price you pay for your flight from Detroit to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Travelers seeking maximum savings on their Detroit to Seattle flight should consider departing on Saturday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Comfort
Food
Overall
Boarding
Crew
Entertainment
Reviews
Anonymous,Jun 2026
RDU - SEA
Comfort
Food
Overall
Boarding
Crew
Entertainment
Reviews
Anonymous,Jun 2026
RDU - SEA
Comfort
Food
Overall
Boarding
Crew
Entertainment
Reviews
Anonymous,Jun 2026
RDU - SEA
Comfort
Food
Overall
Boarding
Crew
Entertainment
Reviews
Anonymous,Jun 2026
RDU - SEA
Comfort
Food
Overall
Boarding
Crew
Entertainment
Reviews
Anonymous,Jun 2026
RDU - SEA
Comfort
Food
Overall
Boarding
Crew
Entertainment
Reviews
Anonymous,Jun 2026
RDU - SEA
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$112 | Average$310 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$160 | Average$282 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$168 | Average$337 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$196 | Average$509 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$206 | Average$442 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$208 | Average$405 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$222 | Average$427 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$240 | Average$343 | FlexibilityNo cancel fee | On-time69% |