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Cheap flights from Detroit to Seattle from C$ 150

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Seattle departing on 17/3. 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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Find the cheapest flights from Detroit to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
8:30 a.m. - 10:42 a.m.
DTW
-
SEA
5h 12mdirect
Delta Logo
11:10 p.m. - 6:30 a.m.
SEA
-
DTW
4h 20mdirect
C$ 274Delta
Fri, 9 Jan - Sun, 11 Jan
Delta Logo
4:16 p.m. - 10:52 p.m.
DTW
-
SEA
9h 36m1 stop
Delta Logo
6:00 a.m. - 1:11 p.m.
SEA
-
DTW
4h 11mdirect
C$ 285Delta
Sat, 31 Jan - Sat, 28 Feb
Delta Logo
12:20 p.m. - 2:21 p.m.
DTW
-
SEA
5h 01mdirect
Delta Logo
7:25 a.m. - 7:15 p.m.
SEA
-
DTW
8h 50m1 stop
C$ 287Delta
Thu, 29 Jan - Wed, 25 Feb
Delta Logo
5:55 p.m. - 11:22 p.m.
DTW
-
SEA
8h 27m1 stop
Delta Logo
11:10 p.m. - 6:30 a.m.
SEA
-
DTW
4h 20mdirect
C$ 288Delta
Fri, 9 Jan - Mon, 19 Jan
Delta Logo
12:30 p.m. - 6:42 p.m.
DTW
-
SEA
9h 12m1 stop
Delta Logo
6:10 a.m. - 3:27 p.m.
SEA
-
DTW
6h 17m1 stop
C$ 299Delta
Sat, 31 Jan - Tue, 24 Feb
Delta Logo
8:25 a.m. - 2:54 p.m.
DTW
-
SEA
9h 29m1 stop
Delta Logo
7:10 a.m. - 6:37 p.m.
SEA
-
DTW
8h 27m1 stop
C$ 300Delta
Thu, 29 Jan - Wed, 25 Feb
Delta Logo
7:00 a.m. - 10:55 a.m.
DTW
-
SEA
6h 55m1 stop
Delta Logo
11:17 a.m. - 10:20 p.m.
SEA
-
DTW
8h 03m1 stop
C$ 302Delta
Thu, 15 Jan - Tue, 20 Jan
Southwest Logo
1:00 p.m. - 5:50 p.m.
DTW
-
SEA
7h 50m1 stop
Southwest Logo
6:35 a.m. - 8:25 p.m.
SEA
-
DTW
10h 50m1 stop
C$ 307Southwest
Tue, 13 Jan - Thu, 15 Jan
Hawaiian Airlines Logo
5:15 p.m. - 7:35 p.m.
DTW
-
SEA
5h 20mdirect
Hawaiian Airlines Logo
9:02 a.m. - 4:19 p.m.
SEA
-
DTW
4h 17mdirect
C$ 325Hawaiian Airlines
Sun, 11 Jan - Sun, 18 Jan
Alaska Airlines Logo
5:15 p.m. - 7:35 p.m.
DTW
-
SEA
5h 20mdirect
Alaska Airlines Logo
9:12 a.m. - 4:26 p.m.
SEA
-
DTW
4h 14mdirect
C$ 327Alaska Airlines
Sun, 1 Feb - Sat, 28 Feb

United Airlines flights from Detroit to Seattle

Our best United Airlines deals on Detroit to Seattle flight tickets
United Airlines
14 Jan
DTW11:05 a.m.Detroit Metropolitan Wayne County
7h 56m
1 stop
SEA4:01 p.m.Seattle/Tacoma Intl
21 Jan
SEA9:25 a.m.Seattle/Tacoma Intl
9h 45m
2 stops
DTW10:10 p.m.Detroit Metropolitan Wayne County
C$ 333
Find similar
United Airlines
13 Jan
DTW4:45 p.m.Detroit Metropolitan Wayne County
7h 30m
1 stop
SEA9:15 p.m.Seattle/Tacoma Intl
16 Jan
SEA2:10 p.m.Seattle/Tacoma Intl
6h 34m
1 stop
DTW11:44 p.m.Detroit Metropolitan Wayne County
C$ 340
Find similar
United Airlines
13 Jan
DTW5:30 a.m.Detroit Metropolitan Wayne County
11h 27m
2 stops
SEA1:57 p.m.Seattle/Tacoma Intl
15 Jan
SEA2:10 p.m.Seattle/Tacoma Intl
6h 34m
1 stop
DTW11:44 p.m.Detroit Metropolitan Wayne County
C$ 347
Find similar

Delta flights from Detroit to Seattle

Our best Delta deals on Detroit to Seattle flight tickets
Delta
9 Jan
DTW8:30 a.m.Detroit Metropolitan Wayne County
5h 12m
SEA10:42 a.m.Seattle/Tacoma Intl
11 Jan
SEA11:10 p.m.Seattle/Tacoma Intl
4h 20m
DTW6:30 a.m.Detroit Metropolitan Wayne County
C$ 274
Find similar
Delta
31 Jan
DTW4:16 p.m.Detroit Metropolitan Wayne County
9h 36m
1 stop
SEA10:52 p.m.Seattle/Tacoma Intl
28 Feb
SEA6:00 a.m.Seattle/Tacoma Intl
4h 11m
DTW1:11 p.m.Detroit Metropolitan Wayne County
C$ 285
Find similar
Delta
29 Jan
DTW12:20 p.m.Detroit Metropolitan Wayne County
5h 01m
SEA2:21 p.m.Seattle/Tacoma Intl
25 Feb
SEA7:25 a.m.Seattle/Tacoma Intl
8h 50m
1 stop
DTW7:15 p.m.Detroit Metropolitan Wayne County
C$ 287
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Detroit to Seattle 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 96,600 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from Detroit to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 9/1

8:30 a.m.-10:42 a.m.

Nonstop5h 12m

Seattle/Tacoma Intl

Sun 11/1

11:10 p.m.-6:30 a.m.

Nonstop4h 20m

C$ 274

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 31/1

4:16 p.m.-10:52 p.m.

1 stop9h 36m

Seattle/Tacoma Intl

Sat 28/2

6:00 a.m.-1:11 p.m.

Nonstop4h 11m

C$ 285

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 29/1

12:20 p.m.-2:21 p.m.

Nonstop5h 01m

Seattle/Tacoma Intl

Wed 25/2

7:25 a.m.-7:15 p.m.

1 stop8h 50m

C$ 287

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 9/1

5:55 p.m.-11:22 p.m.

1 stop8h 27m

Seattle/Tacoma Intl

Mon 19/1

11:10 p.m.-6:30 a.m.

Nonstop4h 20m

C$ 288

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 31/1

12:30 p.m.-6:42 p.m.

1 stop9h 12m

Seattle/Tacoma Intl

Tue 24/2

6:10 a.m.-3:27 p.m.

1 stop6h 17m

C$ 299

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 29/1

8:25 a.m.-2:54 p.m.

1 stop9h 29m

Seattle/Tacoma Intl

Wed 25/2

7:10 a.m.-6:37 p.m.

1 stop8h 27m

C$ 300

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 15/1

7:00 a.m.-10:55 a.m.

1 stop6h 55m

Seattle/Tacoma Intl

Tue 20/1

11:17 a.m.-10:20 p.m.

1 stop8h 03m

C$ 302

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 13/1

1:00 p.m.-5:50 p.m.

1 stop7h 50m

Seattle/Tacoma Intl

Thu 15/1

6:35 a.m.-8:25 p.m.

1 stop10h 50m

C$ 307

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sun 11/1

5:15 p.m.-7:35 p.m.

Nonstop5h 20m

Seattle/Tacoma Intl

Sun 18/1

9:02 a.m.-4:19 p.m.

Nonstop4h 17m

C$ 325

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sun 1/2

5:15 p.m.-7:35 p.m.

Nonstop5h 20m

Seattle/Tacoma Intl

Sat 28/2

9:12 a.m.-4:26 p.m.

Nonstop4h 14m

C$ 327

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 Seattle from

How to get the cheapest flight ticket from Detroit to Seattle

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 Detroit and Seattle?

What is the cheapest month to fly to Seattle?

If you aren’t able to travel to Seattle during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of C$ 427.

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

Our data shows that Thursday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 601. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 955. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

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

Our most recent data shows that the best time of day to fly to Seattle is at noon. Flights from Detroit to Seattle during this time can be as low as C$ 297. Flights in the morning are often more expensive with an average ticket price of C$ 726.

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

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

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 519 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Detroit for as low as C$ 471 on momondo.

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

There are 3 cabin classes available to choose from on Detroit to Seattle/Tacoma Intl 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 Detroit to Seattle flights?

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

How have Detroit to Seattle flight prices changed over time?

As of December 2025, prices for Detroit to Seattle flights are approximately 21% more expensive when compared to flights at the same time last year.

When to book flights from Detroit to Seattle

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

Cheap Detroit to Seattle (DTT to SEA) flight deals and tips

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

Best price found

C$ 346

Fastest flight time

5h 07m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Detroit in the past 72 hours is C$ 346. The best round-trip flight deal from Detroit to Seattle found on momondo in the last 72 hours is C$ 246.
The fastest flight from Detroit to Seattle takes 5h 07m
Direct flights go from Detroit to Seattle every day.
There is 1 airport in Seattle. From Detroit there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

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

    The distance between Detroit and Seattle/Tacoma Intl is about 3108.8 km. 5h 07m is a normal flight duration for this route.

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

    Prices for flights from Detroit to Seattle/Tacoma Intl Airport refresh daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Detroit to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

  • What is the most popular airline from Detroit to Seattle?

Best airlines flying from Detroit to Seattle

Compare and see reviews for airlines that fly from Detroit to Seattle with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom C$ 177Free CancellationRating
7.9
8,005 reviews
Search Delta flights
Spirit AirlinesPriceFrom C$ 253Free CancellationRating
6.3
8,190 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom C$ 263Free CancellationRating
7.8
2,819 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom C$ 370Free CancellationRating
8.0
11,477 reviews
Search Alaska Airlines flights

  • Alaska Airlines Flights From Detroit to Seattle

    The lowest priced Alaska Airlines flight from Detroit to Seattle from the last 72 hours was C$ 370. Generally, Alaska Airlines has 1 flight on this route every week with an average price of C$ 555. Alaska Airlines is rated 8.0/10 by our users.

  • Delta Flights From Detroit to Seattle

    Another popular option for Detroit to Seattle flights is Delta (7.9/10, 8,005 ratings). Delta flies from Detroit to Seattle around 17 times per week, with deals starting from C$ 177 round-trip and rising to an average price of around C$ 474.

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Lynnwood
Marysville
Tacoma
SeaTac
Kirkland
Tukwila
Olympia
Ocean Shores
Redmond
Bainbridge Island
Ellensburg
Gig Harbor
Renton
Mukilteo
Cle Elum
Centralia
Puyallup
Federal Way
Kent

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Detroit to Seattle. momondo saves you time and could save you money on your trip.

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

All flight searches from Detroit to Seattle on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Detroit and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Seattle from Detroit are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Seattle trip

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