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Cheap flights from Seattle to Detroit from $147

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 9/19. 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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0 bags

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Cheap round-trip flights

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 16 - Tue, Sep 23
Frontier Logo
6:12 am - 12:46 amSEA-DTW
15h 34m1 stop
Frontier Logo
6:00 am - 7:33 amDTW-SEA
28h 33m1 stop
$270Frontier
Find Deal
Thu, Oct 2 - Thu, Oct 9
Logo
6:41 am - 5:39 pmSEA-DTW
7h 58m1 stop
Logo
11:15 am - 11:59 pmDTW-SEA
15h 44m2 stops
$271
Find Deal
Wed, Sep 3 - Sat, Sep 6
Logo
6:12 am - 12:46 amSEA-DTW
15h 34m1 stop
Logo
6:30 am - 8:26 amDTW-SEA
4h 56mnonstop
$272
Find Deal
Thu, Sep 18 - Thu, Sep 25
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
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
Delta Logo
3:15 pm - 10:31 pmSEA-DTW
4h 16mnonstop
Delta Logo
8:01 pm - 10:03 pmDTW-SEA
5h 02mnonstop
$297Delta
Find Deal
Wed, Sep 17 - Wed, Oct 8
Sun Country Air Logo
6:16 pm - 9:21 amSEA-DTW
12h 05m1 stop
Sun Country Air Logo
6:51 pm - 5:15 pmDTW-SEA
25h 24m1 stop
$300Sun Country Air
Find Deal
Fri, Oct 31 - Sun, Nov 2
Delta Logo
11:11 pm - 6:29 amSEA-DTW
4h 18mnonstop
Delta Logo
8:01 pm - 10:03 pmDTW-SEA
5h 02mnonstop
$307Delta
Find Deal
Tue, Sep 23 - Mon, Oct 6
Alaska Airlines Logo
9:41 pm - 5:07 amSEA-DTW
4h 26mnonstop
Alaska Airlines Logo
6:30 am - 8:26 amDTW-SEA
4h 56mnonstop
$317Alaska Airlines
Find Deal
Fri, Sep 26 - Sun, Sep 28

Frontier flights from Seattle to Detroit Metropolitan Wayne County Airport

Our best Frontier deals on Seattle to Detroit Metropolitan Wayne County Airport flight tickets
Frontier
Oct 2
SEA6:12 amSeattle/Tacoma Intl
15h 34m
1 stop
DTW12:46 amDetroit Metropolitan Wayne County
Oct 9
DTW6:00 amDetroit Metropolitan Wayne County
28h 33m
1 stop
SEA7:33 amSeattle/Tacoma Intl
$270
Find similar
Frontier
Sep 14
SEA6:12 amSeattle/Tacoma Intl
15h 34m
1 stop
DTW12:46 amDetroit Metropolitan Wayne County
Sep 20
DTW8:00 amDetroit Metropolitan Wayne County
15h 39m
1 stop
SEA8:39 pmSeattle/Tacoma Intl
$273
Find similar
Frontier
Sep 17
SEA7:00 amSeattle/Tacoma Intl
14h 46m
1 stop
DTW12:46 amDetroit Metropolitan Wayne County
Sep 18
DTW8:56 pmDetroit Metropolitan Wayne County
15h 24m
1 stop
SEA9:20 amSeattle/Tacoma Intl
$274
Find similar

American Airlines flights from Seattle to Detroit Metropolitan Wayne County Airport

Our best American Airlines deals on Seattle to Detroit Metropolitan Wayne County Airport flight tickets
American Airlines
Sep 16
SEA6:05 amSeattle/Tacoma Intl
9h 42m
1 stop
DTW6:47 pmDetroit Metropolitan Wayne County
Sep 23
DTW9:36 amDetroit Metropolitan Wayne County
10h 53m
1 stop
SEA5:29 pmSeattle/Tacoma Intl
$269
Find similar
American Airlines
Oct 6
SEA12:34 amSeattle/Tacoma Intl
6h 18m
1 stop
DTW9:52 amDetroit Metropolitan Wayne County
Oct 11
DTW10:22 amDetroit Metropolitan Wayne County
13h 24m
1 stop
SEA8:46 pmSeattle/Tacoma Intl
$306
Find similar
American Airlines
Sep 22
SEA10:11 amSeattle/Tacoma Intl
10h 10m
1 stop
DTW11:21 pmDetroit Metropolitan Wayne County
Sep 24
DTW9:36 amDetroit Metropolitan Wayne County
10h 53m
1 stop
SEA5:29 pmSeattle/Tacoma Intl
$312
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Detroit Metropolitan Wayne County Airport 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 20, 2025.
Use the filters below to find and compare flights from Seattle to Detroit Metropolitan Wayne County Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Tue 9/16

6:05 am-6:47 pm

1 stop9h 42m

Detroit Metropolitan Wayne County

Tue 9/23

9:36 am-5:29 pm

1 stop10h 53m

$269

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 10/2

6:12 am-12:46 am

1 stop15h 34m

Detroit Metropolitan Wayne County

Thu 10/9

6:00 am-7:33 am

1 stop28h 33m

$270

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 9/3

6:41 am-5:39 pm

1 stop7h 58m

Detroit Metropolitan Wayne County

Sat 9/6

11:15 am-11:59 pm

2 stops15h 44m

$271

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 9/18

6:12 am-12:46 am

1 stop15h 34m

Detroit Metropolitan Wayne County

Thu 9/25

6:30 am-8:26 am

Nonstop4h 56m

$272

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 9/24

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

Wed 9/17

3:15 pm-10:31 pm

Nonstop4h 16m

Detroit Metropolitan Wayne County

Wed 10/8

8:01 pm-10:03 pm

Nonstop5h 02m

$297

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Fri 10/31

6:16 pm-9:21 am

1 stop12h 05m

Detroit Metropolitan Wayne County

Sun 11/2

6:51 pm-5:15 pm

1 stop25h 24m

$300

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Tue 9/23

11:11 pm-6:29 am

Nonstop4h 18m

Detroit Metropolitan Wayne County

Mon 10/6

8:01 pm-10:03 pm

Nonstop5h 02m

$307

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Fri 9/26

9:41 pm-5:07 am

Nonstop4h 26m

Detroit Metropolitan Wayne County

Sun 9/28

6:30 am-8:26 am

Nonstop4h 56m

$317

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Detroit from

How to get the cheapest flight ticket from Seattle to Detroit Metropolitan Wayne County Airport

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 cheapest month to fly to Detroit Metropolitan Wayne County Airport?

The cheapest month to fly to Detroit Metropolitan Wayne County Airport from Seattle is in January. Flight prices, which tend to average around $300, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Detroit Metropolitan Wayne County Airport from Seattle during February instead. Flights to Detroit Metropolitan Wayne County Airport in February, while not as cheap as those in January, still average around $322.

What is the cheapest day to depart on your flight to Detroit Metropolitan Wayne County Airport?

The cheapest day to depart from Seattle to Detroit Metropolitan Wayne County Airport is on a Thursday when prices can be found for as low as $435. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Detroit Metropolitan Wayne County Airport on Sunday is $543.

What is the cheapest time of day to depart on your flight to Detroit Metropolitan Wayne County Airport?

Flying to Detroit Metropolitan Wayne County Airport from Seattle in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $412 when looking at flights departing in the afternoon. Flights to Detroit Metropolitan Wayne County Airport are more costly in the morning, with an average ticket price of $478. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Seattle/Tacoma Intl to Detroit Metropolitan Wayne County flight route?

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

How far in advance should I book a flight to Detroit Metropolitan Wayne County Airport?

You are more likely to see cheaper flights to Detroit Metropolitan Wayne County Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Detroit Metropolitan Wayne County Airport 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 Metropolitan Wayne County Airport from Seattle for as low as $347 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Detroit Metropolitan Wayne County flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Detroit Metropolitan Wayne County 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 Metropolitan Wayne County Airport flights?

No. A direct flight is the cheapest option for a flight between Seattle to Detroit Metropolitan Wayne County Airport.

How have Seattle to Detroit Metropolitan Wayne County Airport flight prices changed over time?

As of August 2025, prices for Seattle to Detroit Metropolitan Wayne County Airport flights are approximately 15% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Detroit Metropolitan Wayne County Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Detroit Metropolitan Wayne County Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Detroit Metropolitan Wayne County Airport (SEA to DTW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Detroit Metropolitan Wayne County Airport

Best Price Found

$243

Fastest flight time

4h 13m

Direct flights

Every day
The best one-way flight to Detroit Metropolitan Wayne County Airport from Seattle in the past 72 hours is $243. The best round-trip flight deal from Seattle to Detroit Metropolitan Wayne County Airport found on momondo in the last 72 hours is $345.
The fastest flight from Seattle to Detroit Metropolitan Wayne County Airport takes 4h 13m
Direct flights go from Seattle to Detroit Metropolitan Wayne County Airport every day.
Search flight deals

  • How far is Seattle/Tacoma Intl to Detroit Metropolitan Wayne County by plane?

    The straight-line distance from Seattle/Tacoma Intl to Detroit Metropolitan Wayne County is 1921.1 mi. Typically, this will take 4h 16m by plane in normal conditions.

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

    Prices for flights from Seattle/Tacoma Intl Airport to Detroit Metropolitan Wayne County Airport are updated daily.

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

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

    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 Metropolitan Wayne County Airport.

  • What documentation or ID do you need to fly to Detroit Metropolitan Wayne County Airport?

    The necessary travel and health documents for your Detroit Metropolitan Wayne County Airport 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 Metropolitan Wayne County Airport?

  • What is the most popular airline from Seattle to Detroit Metropolitan Wayne County Airport?

Best airlines flying from Seattle to Detroit Metropolitan Wayne County Airport

Compare and see reviews for airlines that fly from Seattle to Detroit Metropolitan Wayne County Airport 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
2,668 reviews
Search Hawaiian Airlines flights
Spirit AirlinesPriceFrom $212Free CancellationRating
6.3
8,039 reviews
Search Spirit Airlines flights
DeltaPriceFrom $257Free CancellationRating
7.9
7,982 reviews
Search Delta flights
Alaska AirlinesPriceFrom $258Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Seattle to Detroit Metropolitan Wayne County Airport

    Alaska Airlines flies from Seattle to Detroit Metropolitan Wayne County Airport around 3 times per week, with 10,000 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Seattle to Detroit Metropolitan Wayne County Airport in the last 72 hours was $258 (round-trip), much lower than the average airfare cost of $457 for Alaska Airlines flights on this route.

  • Delta Flights From Seattle to Detroit Metropolitan Wayne County Airport

    Across 7,982 Delta reviews on momondo, the average score is 7.9/10. Delta flies from Seattle to Detroit Metropolitan Wayne County Airport about 34 times each week, with ticket deals ranging from $257 to $430. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Detroit?

Book flights to Detroit if you plan to visit one of these locations
Put-in-Bay
Auburn Hills
Warren
Monroe
Southfield
Troy
Dearborn
Novi
Livonia
Romulus
Port Huron
Port Clinton
Sterling Heights
Roseville
Brighton
Pontiac
Ypsilanti
Madison Heights
Belleville
Royal Oak

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Detroit. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Detroit from Seattle with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

If you are simply researching potential flights to Detroit, momondo offers a useful price alert feature which will track prices for flights to Detroit from Seattle and alert you when they change.

An easier way to manage your Detroit Metropolitan Wayne County Airport trip

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