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

Southwest, Frontier, and Delta 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 62% 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.

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

The number of flights available between Seattle and Detroit is 8 per day as of January 2026. The most frequent departure time is 9:00AM, with 65% of daily flights leaving at noon.

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.

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

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

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

As of January 2026, there are 62 flights per week flying from Seattle to Detroit. The most common day of the week flights depart is Tue, with 21% of flights taking off on this day.

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.

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 January 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.

$59 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.

1:16 pm - 11:04 am

SEA

DTW

18h 48m

1 stop

2:35 pm - 10:55 am

DTW

SEA

23h 20m

2 stops

$202Multiple Airlines

Thu, Feb 19 - Thu, Feb 26

6:00 am - 1:09 pm

SEA

DTW

4h 09mnonstop

8:30 am - 2:27 pm

DTW

SEA

8h 57m

1 stop

$207Delta

Tue, Mar 17 - Wed, Apr 1

9:12 am - 4:26 pm

SEA

DTW

4h 14mnonstop

5:22 pm - 7:35 pm

DTW

SEA

5h 13mnonstop

$208Alaska Airlines

Fri, Mar 6 - Tue, Mar 10

1:32 pm - 11:59 pm

SEA

DTW

7h 27m

1 stop

8:30 am - 2:27 pm

DTW

SEA

8h 57m

1 stop

$217Delta

Wed, Mar 18 - Wed, Apr 1

6:00 am - 5:41 pm

SEA

DTW

8h 41m

1 stop

5:23 pm - 12:24 am

DTW

SEA

10h 01m

1 stop

$219American Airlines

Sat, Feb 28 - Sat, Mar 7

9:02 am - 4:19 pm

SEA

DTW

4h 17mnonstop

6:00 am - 12:01 pm

DTW

SEA

9h 01m

1 stop

$224Multiple Airlines

Mon, Feb 9 - Thu, Feb 26

7:59 pm - 6:54 am

SEA

DTW

7h 55m

1 stop

8:15 pm - 10:15 pm

DTW

SEA

5h 00mnonstop

$227Delta

Fri, Mar 13 - Mon, Mar 16

6:05 am - 1:21 pm

SEA

DTW

4h 16mnonstop

12:19 pm - 2:20 pm

DTW

SEA

5h 01mnonstop

$228Delta

Wed, Feb 11 - Sun, Feb 15

9:36 pm - 4:35 am

SEA

DTW

27h 59m

1 stop

10:27 pm - 11:19 am

DTW

SEA

15h 52m

1 stop

$229Multiple Airlines

Mon, Mar 23 - Sun, Mar 29

7:59 pm - 6:54 am

SEA

DTW

7h 55m

1 stop

4:29 pm - 6:26 pm

DTW

SEA

4h 57mnonstop

$237Delta

Fri, Mar 13 - Sun, Mar 15

Delta flights from Seattle to Detroit

Our best Delta deals on Seattle to Detroit flight tickets

Delta

Mar 17

SEA6:00 amSeattle/Tacoma Intl

4h 09m

DTW1:09 pmDetroit Metropolitan Wayne County

Apr 1

DTW8:30 amDetroit Metropolitan Wayne County

8h 57m

1 stop

SEA2:27 pmSeattle/Tacoma Intl

$207

Delta

Mar 18

SEA1:32 pmSeattle/Tacoma Intl

7h 27m

1 stop

DTW11:59 pmDetroit Metropolitan Wayne County

Apr 1

DTW8:30 amDetroit Metropolitan Wayne County

8h 57m

1 stop

SEA2:27 pmSeattle/Tacoma Intl

$217

Delta

Mar 13

SEA7:59 pmSeattle/Tacoma Intl

7h 55m

1 stop

DTW6:54 amDetroit Metropolitan Wayne County

Mar 16

DTW8:15 pmDetroit Metropolitan Wayne County

5h 00m

SEA10:15 pmSeattle/Tacoma Intl

$227

Frontier flights from Seattle to Detroit

Our best Frontier deals on Seattle to Detroit flight tickets

Frontier

Feb 20

SEA12:00 pmSeattle/Tacoma Intl

8h 55m

1 stop

DTW11:55 pmDetroit Metropolitan Wayne County

Feb 24

DTW8:30 amDetroit Metropolitan Wayne County

11h 45m

2 stops

SEA5:15 pmSeattle/Tacoma Intl

$243

Frontier

Apr 2

SEA12:42 pmSeattle/Tacoma Intl

19h 16m

1 stop

DTW10:58 amDetroit Metropolitan Wayne County

Apr 7

DTW7:45 amDetroit Metropolitan Wayne County

11h 44m

1 stop

SEA4:29 pmSeattle/Tacoma Intl

$251

Frontier

Feb 9

SEA1:11 pmSeattle/Tacoma Intl

43h 06m

2 stops

DTW11:17 amDetroit Metropolitan Wayne County

Feb 25

DTW8:30 amDetroit Metropolitan Wayne County

30h 31m

1 stop

SEA12:01 pmSeattle/Tacoma Intl

$254

Fly from

Fly to

Route

Depart

Return

Price

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 2/19

1:16 pm-11:04 am

1 stop18h 48m

Detroit Metropolitan Wayne County

Thu 2/26

2:35 pm-10:55 am

2 stops23h 20m

$202

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Tue 3/17

6:00 am-1:09 pm

Nonstop4h 09m

Detroit Metropolitan Wayne County

Wed 4/1

8:30 am-2:27 pm

1 stop8h 57m

$207

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Fri 3/6

9:12 am-4:26 pm

Nonstop4h 14m

Detroit Metropolitan Wayne County

Tue 3/10

5:22 pm-7:35 pm

Nonstop5h 13m

$208

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 3/18

1:32 pm-11:59 pm

1 stop7h 27m

Detroit Metropolitan Wayne County

Wed 4/1

8:30 am-2:27 pm

1 stop8h 57m

$217

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Sat 2/28

6:00 am-5:41 pm

1 stop8h 41m

Detroit Metropolitan Wayne County

Sat 3/7

5:23 pm-12:24 am

1 stop10h 01m

$219

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Mon 2/9

9:02 am-4:19 pm

Nonstop4h 17m

Detroit Metropolitan Wayne County

Thu 2/26

6:00 am-12:01 pm

1 stop9h 01m

$224

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Fri 3/13

7:59 pm-6:54 am

1 stop7h 55m

Detroit Metropolitan Wayne County

Mon 3/16

8:15 pm-10:15 pm

Nonstop5h 00m

$227

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 2/11

6:05 am-1:21 pm

Nonstop4h 16m

Detroit Metropolitan Wayne County

Sun 2/15

12:19 pm-2:20 pm

Nonstop5h 01m

$228

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Mon 3/23

9:36 pm-4:35 am

1 stop27h 59m

Detroit Metropolitan Wayne County

Sun 3/29

10:27 pm-11:19 am

1 stop15h 52m

$229

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Fri 3/13

7:59 pm-6:54 am

1 stop7h 55m

Detroit Metropolitan Wayne County

Sun 3/15

4:29 pm-6:26 pm

Nonstop4h 57m

$237

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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 March. Flight prices, which tend to average around $327, are often lower during this time because this is during the off-season. If you’re not able to fly to Detroit in March, then April is your next best option. Flight prices from Seattle to Detroit during April average around $327.

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 $419. 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 $534.

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 $393. 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 $532 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 $324 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.

Can stopping save me money on Seattle to Detroit flights?

You could potentially save up to 4% on your flight if you consider stops on a Seattle to Detroit flight.

How have Seattle to Detroit flight prices changed over time?

As of January 2026, prices for Seattle to Detroit flights are approximately 7% cheaper 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	$218
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 $218. The best round-trip flight deal from Seattle to Detroit found on momondo in the last 72 hours is $254.

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 January 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 26.35% of the total bookings. Other popular models include Boeing 737 with 21.92%, Airbus A321neo with 19.14%, and Boeing 737-900 Passenger/BBJ3 (winglets) with 7.06%.
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 32%, 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
Hawaiian Airlines	PriceFrom $138	Free Cancellation	Rating 7.8 2,829 reviews	Search Hawaiian Airlines flights
Frontier	PriceFrom $152	Free Cancellation	Rating 5.7 3,057 reviews	Search Frontier flights
United Airlines	PriceFrom $183	Free Cancellation	Rating 7.4 9,191 reviews	Search United Airlines flights
American Airlines	PriceFrom $185	Free Cancellation	Rating 7.2 11,174 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $200	Free Cancellation	Rating 8.0 11,775 reviews	Search Alaska Airlines flights
Delta	PriceFrom $208	Free Cancellation	Rating 7.9 8,089 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 1 flight/week on average for this route. A good Alaska Airlines flight deal for Seattle to Detroit starts from $200 round-trip, up to an average price of $446. Our users have rated Alaska Airlines at 8.0/10.
Delta Flights From Seattle to Detroit
$208 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 $402, however, with flight time and availability significantly affecting the price. Delta (7.9/10 from 8,089 user reviews) flies into Detroit from Seattle 17 times in an average week so prices can vary.

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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.

An easier way to manage your Detroit trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Seattle to Detroit from $59

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 2/17. 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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Delta flights from Seattle to Detroit

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How to get the cheapest flight ticket from Seattle to Detroit

What is the cheapest month to fly to Detroit?

What is the cheapest day to depart on your flight to Detroit?

What is the cheapest time of day to depart on your flight to Detroit?

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?

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.

Can stopping save me money on Seattle to Detroit flights?

You could potentially save up to 4% on your flight if you consider stops on a Seattle to Detroit flight.

How have Seattle to Detroit flight prices changed over time?

As of January 2026, prices for Seattle to Detroit flights are approximately 7% cheaper when compared to flights at the same time last year.

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

Southwest, Frontier, and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Detroit

What airlines fly to Detroit?

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 travel time from Seattle to Detroit?

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

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.

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

The number of flights available between Seattle and Detroit is 8 per day as of January 2026. The most frequent departure time is 9:00AM, with 65% of daily flights leaving at noon.

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

As of January 2026, there are 62 flights per week flying from Seattle to Detroit. The most common day of the week flights depart is Tue, 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

Best Price Found

Fastest flight time

Direct flights

Airports in Detroit

How far is Seattle/Tacoma Intl to Detroit by plane?

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Detroit?

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Detroit?

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Detroit?

What documentation or ID do you need to fly to Detroit?

What is the most popular plane model from Seattle to Detroit?

What is the most popular airline from Seattle to Detroit?

Best airlines flying from Seattle to Detroit

Compare and see reviews for airlines that fly from Seattle to Detroit with momondo

Alaska Airlines Flights From Seattle to Detroit

Delta Flights From Seattle to Detroit

Traveling to a place near Detroit?

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Detroit?

Can I find flights from Seattle to Detroit with flexible booking policies on momondo?

How can momondo help me find flights from Seattle to Detroit?

I’m not ready to book a flight from Seattle to Detroit right now. Can momondo alert me if prices change?

An easier way to manage your Detroit trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Michigan