Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to Detroit from $146

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 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Seattle to Detroit

Cheap round-trip flights

Logo
11:43 am - 11:49 pmSEA-DTW
9h 06m1 stop
Logo
8:22 pm - 6:32 pmDTW-SEA
25h 10m1 stop
$267
Find Deal
Fri, Oct 31 - Wed, Nov 5
American Airlines Logo
6:05 am - 6:47 pmSEA-DTW
9h 42m1 stop
American Airlines Logo
9:36 am - 5:29 pmDTW-SEA
10h 53m1 stop
$269American Airlines
Find Deal
Tue, Sep 23 - Sat, Sep 27
Frontier Logo
6:12 am - 12:46 amSEA-DTW
15h 34m1 stop
Frontier Logo
8:00 am - 8:39 pmDTW-SEA
15h 39m1 stop
$273Frontier
Find Deal
Sun, Sep 14 - Sat, Sep 20
Frontier Logo
7:00 am - 10:54 amSEA-DTW
24h 54m1 stop
Frontier Logo
6:10 am - 12:30 amDTW-SEA
21h 20m1 stop
$275Frontier
Find Deal
Wed, Sep 17 - Fri, Sep 19
Sun Country Air Logo
3:27 pm - 10:38 amSEA-DTW
16h 11m1 stop
Sun Country Air Logo
12:18 pm - 4:49 pmDTW-SEA
7h 31m1 stop
$290Sun Country Air
Find Deal
Wed, Sep 24 - Thu, Oct 9
JetBlue Logo
11:59 pm - 11:30 amSEA-DTW
8h 31m1 stop
JetBlue Logo
12:16 pm - 10:24 pmDTW-SEA
13h 08m1 stop
$293JetBlue
Find Deal
Fri, Sep 19 - Fri, Sep 26
Delta Logo
11:10 pm - 6:26 amSEA-DTW
4h 16mnonstop
Delta Logo
3:50 pm - 5:39 pmDTW-SEA
4h 49mnonstop
$297Delta
Find Deal
Sat, Sep 20 - Sat, Sep 27
Delta Logo
3:15 pm - 10:31 pmSEA-DTW
4h 16mnonstop
Delta Logo
8:10 pm - 10:06 pmDTW-SEA
4h 56mnonstop
$307Delta
Find Deal
Wed, Sep 17 - Mon, Sep 22
JetBlue Logo
11:40 pm - 11:30 amSEA-DTW
8h 50m1 stop
JetBlue Logo
8:05 am - 11:59 amDTW-SEA
30h 54m1 stop
$308JetBlue
Find Deal
Sat, Oct 11 - Mon, Oct 20
Sun Country Air Logo
6:20 pm - 11:19 amSEA-DTW
13h 59m1 stop
Sun Country Air Logo
12:10 pm - 5:12 pmDTW-SEA
8h 02m1 stop
$325Sun Country Air
Find Deal
Wed, Dec 31 - Sun, Jan 4

Delta flights from Seattle to Detroit

Our best Delta deals on Seattle to Detroit flight tickets
Delta
Sep 20
SEA11:10 pmSeattle/Tacoma Intl
4h 16m
DTW6:26 amDetroit Metropolitan Wayne County
Sep 27
DTW3:50 pmDetroit Metropolitan Wayne County
4h 49m
SEA5:39 pmSeattle/Tacoma Intl
$297
Find similar
Delta
Sep 17
SEA3:15 pmSeattle/Tacoma Intl
4h 16m
DTW10:31 pmDetroit Metropolitan Wayne County
Sep 22
DTW8:10 pmDetroit Metropolitan Wayne County
4h 56m
SEA10:06 pmSeattle/Tacoma Intl
$307
Find similar
Delta
Sep 19
SEA7:15 amSeattle/Tacoma Intl
9h 05m
1 stop
DTW7:20 pmDetroit Metropolitan Wayne County
Sep 23
DTW4:00 pmDetroit Metropolitan Wayne County
4h 54m
SEA5:54 pmSeattle/Tacoma Intl
$317
Find similar

Sun Country Air flights from Seattle to Detroit

Our best Sun Country Air deals on Seattle to Detroit flight tickets
Sun Country Air
Sep 24
SEA3:27 pmSeattle/Tacoma Intl
16h 11m
1 stop
DTW10:38 amDetroit Metropolitan Wayne County
Oct 9
DTW12:18 pmDetroit Metropolitan Wayne County
7h 31m
1 stop
SEA4:49 pmSeattle/Tacoma Intl
$290
Find similar
Sun Country Air
Dec 31
SEA6:20 pmSeattle/Tacoma Intl
13h 59m
1 stop
DTW11:19 amDetroit Metropolitan Wayne County
Jan 4
DTW12:10 pmDetroit Metropolitan Wayne County
8h 02m
1 stop
SEA5:12 pmSeattle/Tacoma Intl
$325
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Detroit that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Seattle to Detroit that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Fri 10/31

11:43 am-11:49 pm

1 stop9h 06m

Detroit Metropolitan Wayne County

Wed 11/5

8:22 pm-6:32 pm

1 stop25h 10m

$267

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Tue 9/23

6:05 am-6:47 pm

1 stop9h 42m

Detroit Metropolitan Wayne County

Sat 9/27

9:36 am-5:29 pm

1 stop10h 53m

$269

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Sun 9/14

6:12 am-12:46 am

1 stop15h 34m

Detroit Metropolitan Wayne County

Sat 9/20

8:00 am-8:39 pm

1 stop15h 39m

$273

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 9/17

7:00 am-10:54 am

1 stop24h 54m

Detroit Metropolitan Wayne County

Fri 9/19

6:10 am-12:30 am

1 stop21h 20m

$275

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 9/24

3:27 pm-10:38 am

1 stop16h 11m

Detroit Metropolitan Wayne County

Thu 10/9

12:18 pm-4:49 pm

1 stop7h 31m

$290

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Fri 9/19

11:59 pm-11:30 am

1 stop8h 31m

Detroit Metropolitan Wayne County

Fri 9/26

12:16 pm-10:24 pm

1 stop13h 08m

$293

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Sat 9/20

11:10 pm-6:26 am

Nonstop4h 16m

Detroit Metropolitan Wayne County

Sat 9/27

3:50 pm-5:39 pm

Nonstop4h 49m

$297

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 9/17

3:15 pm-10:31 pm

Nonstop4h 16m

Detroit Metropolitan Wayne County

Mon 9/22

8:10 pm-10:06 pm

Nonstop4h 56m

$307

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Sat 10/11

11:40 pm-11:30 am

1 stop8h 50m

Detroit Metropolitan Wayne County

Mon 10/20

8:05 am-11:59 am

1 stop30h 54m

$308

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 12/31

6:20 pm-11:19 am

1 stop13h 59m

Detroit Metropolitan Wayne County

Sun 1/4

12:10 pm-5:12 pm

1 stop8h 02m

$325

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Detroit from

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 Thursday. momondo users have found tickets for Thursday departures for as low as $435. 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 $543.

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 $412. 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 $478 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 weeks ahead of your departure date. In general, you can expect to find flights to Detroit for around $408 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 $347 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?

No. A direct flight is the cheapest option for a flight between Seattle to Detroit.

How have Seattle to Detroit flight prices changed over time?

As of August 2025, prices for Seattle to Detroit flights are approximately 16% 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

$243

Fastest flight time

4h 13m

Direct flights

Every day

Airports in Detroit

1 airport
The best one-way flight to Detroit from Seattle in the past 72 hours is $243. The best round-trip flight deal from Seattle to Detroit found on momondo in the last 72 hours is $345.
The fastest flight from Seattle to Detroit takes 4h 13m
Direct flights go from Seattle to Detroit every day.
There is 1 airport near Detroit: 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 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $148Free CancellationRating
5.8
3,207 reviews
Search Frontier flights
American AirlinesPriceFrom $148Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom $183Free CancellationRating
7.8
2,672 reviews
Search Hawaiian Airlines flights
Spirit AirlinesPriceFrom $212Free CancellationRating
6.3
8,035 reviews
Search Spirit Airlines flights
DeltaPriceFrom $257Free CancellationRating
7.9
7,981 reviews
Search Delta flights
Alaska AirlinesPriceFrom $258Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Seattle to Detroit

    Alaska Airlines is one of the most popular airlines flying from Seattle to Detroit, operating 4 flights/week on average for this route. A good Alaska Airlines flight deal for Seattle to Detroit starts from $258 round-trip, up to an average price of $457. Our users have rated Alaska Airlines at 8.0/10.

  • Delta Flights From Seattle to Detroit

    $257 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 $430, however, with flight time and availability significantly affecting the price. Delta (7.9/10 from 7,981 user reviews) flies into Detroit from Seattle 30 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 locations
Port Huron
Roseville

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/26
Tue 9/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States