Cheap flights from Seattle to Detroit from $103
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Detroit departing on 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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American Airlines flights from Seattle to Detroit
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Frontier flights from Seattle to Detroit
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How to get the cheapest flight ticket from Seattle to Detroit
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Seattle and Detroit?
What is the cheapest month to fly to Detroit?
The cheapest month to fly to Detroit from Seattle is in January. Flight prices, which tend to average around $321, 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 April is your next best option. Flight prices from Seattle to Detroit during April average around $339.
What is the cheapest day to depart on your flight to Detroit?
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 $440. 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 $554.
What is the cheapest time of day to depart on your flight to Detroit?
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 $411. 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 in the morning when prices are $482 on average. Flights to Detroit from Seattle in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Seattle/Tacoma Intl to Detroit flight route?
Fly from Seattle/Tacoma Intl to Detroit Metropolitan Wayne County for the best Seattle/Tacoma Intl - Detroit flight prices
How far in advance should I book a flight to Detroit?
You are more likely to see cheaper flights to Detroit from Seattle when booking 16 weeks ahead of your departure date. In general, you can expect to find flights to Detroit for around $399 when searching 16 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 $336 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Detroit flights?
There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Detroit flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Detroit?
American Airlines, Spirit Airlines, and Frontier are the most popular carriers operating from Seattle/Tacoma Intl to Detroit
What airlines fly to Detroit?
Delta, Alaska Airlines and American Airlines 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 64% of people opting to fly with this airline when traveling to Detroit. Keep in mind that there are 7 different airlines that fly to Detroit on a routine basis, so you have a few additional options to choose from.
How many flights depart from Seattle to Detroit on average per day?
The number of flights available between Seattle and Detroit is 13 per day as of June 2025. The most frequent departure time is 9:00PM, with 52% of daily flights leaving at noon.
How many flights depart from Seattle to Detroit on average per week?
As of June 2025, there are 96 flights per week flying from Seattle to Detroit. The most common day of the week flights depart is Thu, with 21% of flights taking off on this day.
When to book flights from Seattle to Detroit
Cheap Seattle to Detroit (SEA to DTT) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Detroit
How far is Seattle/Tacoma Intl to Detroit by plane?
The distance between Seattle/Tacoma Intl and Detroit is about 1931.7 mi. 4h 16m is a normal flight duration for this route.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Detroit?
Prices for flights from Seattle/Tacoma Intl Airport to Detroit are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Detroit?
There are 7 operators available for flights from Seattle/Tacoma Intl Airport to Detroit as of June 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Detroit?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Detroit.
What documentation or ID do you need to fly to Detroit?
The necessary travel and health documents for your Detroit trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Detroit?
Based on momondo bookings for flights between Seattle and Detroit, the leading plane model is Boeing 737-900 Passenger/BBJ3 (winglets), making up 19.94% of the total bookings. Other popular models include Boeing 737 with 17.77%, Boeing 737-900 with 15.68%, and Airbus A321-100/200 with 14.36%.
What is the most popular airline from Seattle to Detroit?
Based on momondo bookings for flights between Seattle and Detroit, the leading airline is Delta, making up 56% of the total bookings. Other popular airlines include Alaska Airlines with 32%, Frontier with 4%, and Spirit Airlines with 3%.
Best airlines flying from Seattle to Detroit
Compare and see reviews for airlines that fly from Seattle to Detroit with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $147 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom $148 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $173 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $178 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom $255 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $268 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $301 | Free Cancellation | Rating 7.4 8,790 reviews |
Delta Flights From Seattle to Detroit
Delta is one of the most popular airlines flying from Seattle to Detroit, operating 38 flights/week on average for this route. A good Delta flight deal for Seattle to Detroit starts from $255 round-trip, up to an average price of $416. Our users have rated Delta at 8.0/10.
Alaska Airlines Flights From Seattle to Detroit
$268 is the best Alaska Airlines flight deal from Seattle to Detroit found on momondo over the last 72 hours. The average Alaska Airlines ticket price found was closer to $457, however, with flight time and availability significantly affecting the price. Alaska Airlines (8.0/10 from 10,000 user reviews) flies into Detroit from Seattle 2 times in an average week so prices can vary.
Traveling to a place near Detroit?
Book flights to Detroit if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Detroit?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Detroit. momondo saves you time and could save you money on your trip.
Can I find flights from Seattle to Detroit with flexible booking policies on momondo?
All flight searches from Seattle to Detroit on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Seattle to Detroit?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Detroit from Seattle.
I’m not ready to book a flight from Seattle to Detroit right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Detroit from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.