Cheap flights from Seattle to Detroit from $143

The cheapest month to fly to Detroit from Seattle is in January. Flight prices, which tend to average around $246, are often lower during this time because this is during the off-season. If you’re not able to fly to Detroit in January, then March is your next best option. Flight prices from Seattle to Detroit during March average around $344.

On average, the least expensive day to fly to Detroit from Seattle is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $456. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Detroit for around $542.

In the afternoon is the cheapest time of day to fly from Seattle to Detroit when you can find flight prices for as low as $442. Flying to Detroit in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $496 on average. Flights to Detroit from Seattle at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Detroit from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Detroit for around $437 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Detroit from Seattle for as low as $385 on momondo.

There are 4 cabin classes available to choose from on Seattle to Detroit 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 Seattle to Detroit.

As of October 2026, prices for Seattle to Detroit flights are approximately 97% more expensive when compared to flights at the same time last year.

Frontier is the most popular carrier operating from Seattle/Tacoma Intl to Detroit

Delta, Alaska Airlines and Frontier are the top three most popular airlines that fly to Detroit from Seattle according to our data. Delta is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Detroit. Keep in mind that there are 5 different airlines that fly to Detroit on a routine basis, so you have a few additional options to choose from.

The number of flights available between Seattle and Detroit is 9 per day as of October 2026. The most frequent departure time is 6:00AM, with 51% of daily flights leaving at noon.

As of October 2026, there are 64 flights per week flying from Seattle to Detroit. The most common day of the week flights depart is Fri, with 25% of flights taking off on this day.