Cheap flights from Detroit Metropolitan Wayne County Airport to Seattle from $236

In general, January is the cheapest month to fly from Detroit Metropolitan Wayne County Airport to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $288. If you don’t want to visit Seattle in January, then you should wait until February to fly from Detroit Metropolitan Wayne County Airport, when ticket prices are also cheap, with an average price of $292.

On average, the least expensive day to fly to Seattle from Detroit Metropolitan Wayne County Airport is on a Friday. momondo users have found tickets for Friday departures for as low as $482. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Detroit Metropolitan Wayne County Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $594.

Flying to Seattle from Detroit Metropolitan Wayne County Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $404 when looking at flights departing in the evening. Flights to Seattle are more costly at noon, with an average ticket price of $668. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Detroit Metropolitan Wayne County to Seattle/Tacoma Intl for the best Detroit Metropolitan Wayne County - Seattle/Tacoma Intl flight prices

You are more likely to see cheaper flights to Seattle from Detroit Metropolitan Wayne County Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $402 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Detroit Metropolitan Wayne County Airport for as low as $393 on momondo.

There are 4 cabin classes available to choose from on Detroit Metropolitan Wayne County Airport to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Detroit Metropolitan Wayne County Airport to Seattle.

As of September 2026, prices for Detroit Metropolitan Wayne County Airport to Seattle flights are approximately 13% more expensive when compared to flights at the same time last year.

United Airlines, Southwest, and Frontier are the most popular carriers operating from Detroit Metropolitan Wayne County to Seattle/Tacoma Intl

Delta, Alaska Airlines and Frontier are the top three most popular airlines that fly to Seattle from Detroit Metropolitan Wayne County Airport according to our data. Delta is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 5 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

Chicago (ORD) was the most common stop: 83% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $298.

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 7h 30m.

Chicago (ORD) has the shortest average layover time for this route: 1h 15m.

The number of flights available between Detroit Metropolitan Wayne County Airport and Seattle is 17 per day as of September 2026. The most frequent departure time is 8:00AM, with 47% of daily flights leaving at noon.

The number of flights available between Detroit Metropolitan Wayne County Airport and Seattle is 124 per week as of September 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.