How many flights depart from Seattle to Detroit on average per day?

The number of flights available between Seattle and Detroit is 11 per day as of March 2026. The most frequent departure time is 9:00AM, with 75% of daily flights leaving at noon.

Which airport is the most popular layover for flights between Seattle and Detroit?

Chicago (ORD) was the most common stop: 56% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Seattle to Detroit?

Flights via Chicago (ORD) offer the lowest average round-trip price of $312.

Which layover airport has the shortest connection time from Seattle to Detroit?

Chicago (ORD) has the shortest average layover time for this route: 0h 48m.

Which layover airport has the shortest travel time from Seattle to Detroit?

Flights connecting via Minneapolis (MSP) have the shortest average one-way travel time: 6h 06m.

How many flights depart from Seattle to Detroit on average per week?

As of March 2026, there are 80 flights per week flying from Seattle to Detroit. The most common day of the week flights depart is Sun, with 19% of flights taking off on this day.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Detroit?

Southwest, United Airlines, and Alaska Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Detroit

What airlines fly to Detroit?

Delta, Alaska Airlines and Hawaiian 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 61% of people opting to fly with this airline when traveling to Detroit. Keep in mind that there are 6 different airlines that fly to Detroit on a routine basis, so you have a few additional options to choose from.

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 6 operators available for flights from Seattle/Tacoma Intl Airport to Detroit as of March 2026.

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.

$82 Cheap Flights from Seattle to Detroit in 2026

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Find the cheapest flights from Seattle to Detroit

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:45 pm - 10:10 am

SEA

DTW

7h 25m

1 stop

7:40 pm - 12:10 am

DTW

SEA

7h 30m

1 stop

$209Southwest

Wed, May 6 - Wed, May 13

7:12 pm - 10:58 am

SEA

DTW

12h 46m

1 stop

10:27 pm - 9:27 am

DTW

SEA

14h 00m

1 stop

$210Frontier

Sat, Apr 25 - Sun, Apr 26

11:45 pm - 10:10 am

SEA

DTW

7h 25m

1 stop

4:10 pm - 12:10 am

DTW

SEA

11h 00m

2 stops

$214Southwest

Wed, May 6 - Wed, May 13

7:12 pm - 10:58 am

SEA

DTW

12h 46m

1 stop

10:27 pm - 9:49 am

DTW

SEA

14h 22m

1 stop

$221Frontier

Thu, Apr 30 - Mon, May 4

4:20 pm - 10:58 am

SEA

DTW

15h 38m

1 stop

1:42 pm - 9:27 am

DTW

SEA

22h 45m

2 stops

$226Frontier

Thu, Apr 16 - Mon, Apr 20

4:20 pm - 10:58 am

SEA

DTW

15h 38m

1 stop

1:42 pm - 9:27 am

DTW

SEA

22h 45m

2 stops

$227Frontier

Thu, Apr 16 - Mon, Apr 20

12:42 pm - 10:58 am

SEA

DTW

19h 16m

1 stop

11:54 am - 9:27 am

DTW

SEA

24h 33m

1 stop

$231Frontier

Thu, Apr 9 - Mon, Apr 13

7:12 pm - 9:42 pm

SEA

DTW

23h 30m

1 stop

10:27 pm - 9:27 am

DTW

SEA

14h 00m

1 stop

$232Frontier

Wed, Apr 22 - Mon, Apr 27

4:20 pm - 9:10 am

SEA

DTW

13h 50m

2 stops

10:27 pm - 3:05 pm

DTW

SEA

19h 38m

1 stop

$237Frontier

Thu, Apr 16 - Sun, Apr 19

7:12 pm - 10:58 am

SEA

DTW

12h 46m

1 stop

10:19 am - 9:27 am

DTW

SEA

26h 08m

2 stops

$238Frontier

Thu, Apr 23 - Mon, Apr 27

Southwest flights from Seattle to Detroit

Our best Southwest deals on Seattle to Detroit flight tickets

Southwest

May 6

SEA11:45 pmSeattle/Tacoma Intl

7h 25m

1 stop

DTW10:10 amDetroit Metropolitan Wayne County

May 13

DTW7:40 pmDetroit Metropolitan Wayne County

7h 30m

1 stop

SEA12:10 amSeattle/Tacoma Intl

$209

Southwest

May 6

SEA11:45 pmSeattle/Tacoma Intl

7h 25m

1 stop

DTW10:10 amDetroit Metropolitan Wayne County

May 13

DTW4:10 pmDetroit Metropolitan Wayne County

11h 00m

2 stops

SEA12:10 amSeattle/Tacoma Intl

$214

Southwest

Apr 29

SEA6:00 amSeattle/Tacoma Intl

6h 35m

1 stop

DTW3:35 pmDetroit Metropolitan Wayne County

May 6

DTW7:40 pmDetroit Metropolitan Wayne County

7h 30m

1 stop

SEA12:10 amSeattle/Tacoma Intl

$277

Frontier flights from Seattle to Detroit

Our best Frontier deals on Seattle to Detroit flight tickets

Frontier

Apr 16

SEA7:12 pmSeattle/Tacoma Intl

12h 46m

1 stop

DTW10:58 amDetroit Metropolitan Wayne County

Apr 19

DTW10:27 pmDetroit Metropolitan Wayne County

19h 38m

1 stop

SEA3:05 pmSeattle/Tacoma Intl

$210

Frontier

Apr 30

SEA7:12 pmSeattle/Tacoma Intl

12h 46m

1 stop

DTW10:58 amDetroit Metropolitan Wayne County

May 4

DTW10:27 pmDetroit Metropolitan Wayne County

14h 22m

1 stop

SEA9:49 amSeattle/Tacoma Intl

$221

Frontier

Apr 16

SEA4:20 pmSeattle/Tacoma Intl

15h 38m

1 stop

DTW10:58 amDetroit Metropolitan Wayne County

Apr 20

DTW1:42 pmDetroit Metropolitan Wayne County

22h 45m

2 stops

SEA9:27 amSeattle/Tacoma Intl

$226

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 5/6

11:45 pm-10:10 am

1 stop7h 25m

Detroit Metropolitan Wayne County

Wed 5/13

7:40 pm-12:10 am

1 stop7h 30m

$209

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Sat 4/25

7:12 pm-10:58 am

1 stop12h 46m

Detroit Metropolitan Wayne County

Sun 4/26

10:27 pm-9:27 am

1 stop14h 00m

$210

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 5/6

11:45 pm-10:10 am

1 stop7h 25m

Detroit Metropolitan Wayne County

Wed 5/13

4:10 pm-12:10 am

2 stops11h 00m

$214

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 4/30

7:12 pm-10:58 am

1 stop12h 46m

Detroit Metropolitan Wayne County

Mon 5/4

10:27 pm-9:49 am

1 stop14h 22m

$221

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 4/16

4:20 pm-10:58 am

1 stop15h 38m

Detroit Metropolitan Wayne County

Mon 4/20

1:42 pm-9:27 am

2 stops22h 45m

$226

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 4/16

4:20 pm-10:58 am

1 stop15h 38m

Detroit Metropolitan Wayne County

Mon 4/20

1:42 pm-9:27 am

2 stops22h 45m

$227

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 4/9

12:42 pm-10:58 am

1 stop19h 16m

Detroit Metropolitan Wayne County

Mon 4/13

11:54 am-9:27 am

1 stop24h 33m

$231

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 4/22

7:12 pm-9:42 pm

1 stop23h 30m

Detroit Metropolitan Wayne County

Mon 4/27

10:27 pm-9:27 am

1 stop14h 00m

$232

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 4/16

4:20 pm-9:10 am

2 stops13h 50m

Detroit Metropolitan Wayne County

Sun 4/19

10:27 pm-3:05 pm

1 stop19h 38m

$237

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 4/23

7:12 pm-10:58 am

1 stop12h 46m

Detroit Metropolitan Wayne County

Mon 4/27

10:19 am-9:27 am

2 stops26h 08m

$238

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

Other information

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 $242, 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 $320.

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 $414. 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 $561.

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 $397. 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 $507 on average. Flights to Detroit from Seattle at noon 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 weeks ahead of your departure date. In general, you can expect to find flights to Detroit for around $388 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 $325 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.

How have Seattle to Detroit flight prices changed over time?

As of March 2026, prices for Seattle to Detroit flights are approximately 35% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Detroit

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Detroit according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

Best Price Found	$194
Fastest flight time	4h 09m
Direct flights	Every day
Airports in Detroit	1 airport

The best one-way flight to Detroit from Seattle in the past 72 hours is $194. The best round-trip flight deal from Seattle to Detroit found on momondo in the last 72 hours is $328.

The fastest flight from Seattle to Detroit takes 4h 09m

Direct flights go from Seattle to Detroit every day.

There is 1 airport in Detroit. From Seattle there are direct flights to Detroit Metropolitan Wayne County (DTW).

Search flight deals

How far is Seattle/Tacoma Intl to Detroit by plane?
The distance between Seattle/Tacoma Intl and Detroit is about 1931.7 mi. 4h 09m 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 6 operators available for flights from Seattle/Tacoma Intl Airport to Detroit as of March 2026.
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, making up 25.22% of the total bookings. Other popular models include Boeing 737 with 20.18%, Airbus A321neo with 11.88%, and Airbus A321-100/200 with 7.00%.
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 57% of the total bookings. Other popular airlines include Alaska Airlines with 33%, Hawaiian Airlines with 4%, and Frontier 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
Frontier	PriceFrom $152	Free Cancellation	Rating 5.7 3,032 reviews	Search Frontier flights
United Airlines	PriceFrom $163	Free Cancellation	Rating 7.4 9,427 reviews	Search United Airlines flights
Hawaiian Airlines	PriceFrom $178	Free Cancellation	Rating 7.8 2,839 reviews	Search Hawaiian Airlines flights
American Airlines	PriceFrom $185	Free Cancellation	Rating 7.1 11,472 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $199	Free Cancellation	Rating 7.9 12,051 reviews	Search Alaska Airlines flights
Delta	PriceFrom $217	Free Cancellation	Rating 7.9 8,293 reviews	Search Delta flights

Alaska Airlines Flights From Seattle to Detroit
Alaska Airlines is one of the most popular airlines flying from Seattle to Detroit, operating 2 flights/week on average for this route. A good Alaska Airlines flight deal for Seattle to Detroit starts from $199 round-trip, up to an average price of $436. Our users have rated Alaska Airlines at 7.9/10.
Delta Flights From Seattle to Detroit
$217 is the best Delta flight deal from Seattle to Detroit found on momondo over the last 72 hours. The average Delta ticket price found was closer to $407, however, with flight time and availability significantly affecting the price. Delta (7.9/10 from 8,293 user reviews) flies into Detroit from Seattle 22 times in an average week so prices can vary.

Roseville

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Why 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.