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Cheap flights from Detroit to Seattle from C$ 102

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 7/3. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Hawaiian Airlines Logo
5:39 p.m. - 7:52 p.m.
DTW
-
SEA
5h 13mdirect
Hawaiian Airlines Logo
8:35 a.m. - 3:56 p.m.
SEA
-
DTW
4h 21mdirect
C$ 276Hawaiian Airlines
Mon, 16 Mar - Sat, 21 Mar
Hawaiian Airlines Logo
5:39 p.m. - 7:52 p.m.
DTW
-
SEA
5h 13mdirect
Hawaiian Airlines Logo
8:35 a.m. - 3:56 p.m.
SEA
-
DTW
4h 21mdirect
C$ 279Hawaiian Airlines
Mon, 16 Mar - Sat, 21 Mar
Hawaiian Airlines Logo
5:39 p.m. - 7:52 p.m.
DTW
-
SEA
5h 13mdirect
Hawaiian Airlines Logo
8:35 a.m. - 3:56 p.m.
SEA
-
DTW
4h 21mdirect
C$ 280Hawaiian Airlines
Mon, 16 Mar - Sat, 21 Mar
Alaska Airlines Logo
5:39 p.m. - 7:52 p.m.
DTW
-
SEA
5h 13mdirect
Alaska Airlines Logo
8:35 a.m. - 3:56 p.m.
SEA
-
DTW
4h 21mdirect
C$ 281Alaska Airlines
Mon, 16 Mar - Sat, 21 Mar
Delta Logo
4:59 p.m. - 7:00 p.m.
DTW
-
SEA
5h 01mdirect
Delta Logo
11:45 a.m. - 10:54 p.m.
SEA
-
DTW
8h 09m
1 stop
C$ 283Delta
Wed, 4 Mar - Tue, 10 Mar
American Airlines Logo
5:23 p.m. - 11:04 p.m.
DTW
-
SEA
8h 41m
1 stop
American Airlines Logo
11:59 p.m. - 10:42 a.m.
SEA
-
DTW
7h 43m
1 stop
C$ 294American Airlines
Tue, 3 Mar - Tue, 10 Mar
Delta Logo
8:05 p.m. - 10:05 p.m.
DTW
-
SEA
5h 00mdirect
Delta Logo
11:15 p.m. - 6:26 a.m.
SEA
-
DTW
4h 11mdirect
C$ 296Delta
Fri, 6 Mar - Mon, 9 Mar
Delta Logo
4:41 p.m. - 11:25 p.m.
DTW
-
SEA
9h 44m
1 stop
Delta Logo
11:15 p.m. - 6:26 a.m.
SEA
-
DTW
4h 11mdirect
C$ 310Delta
Fri, 6 Mar - Fri, 13 Mar
Frontier Logo
7:11 p.m. - 11:01 a.m.
DTW
-
SEA
42h 50m
2 stops
Frontier Logo
10:08 p.m. - 12:29 a.m.
SEA
-
DTW
23h 21m
1 stop
C$ 311Frontier
Tue, 3 Mar - Tue, 10 Mar
American Airlines Logo
7:31 p.m. - 12:55 a.m.
DTW
-
SEA
8h 24m
1 stop
American Airlines Logo
12:07 a.m. - 9:56 a.m.
SEA
-
DTW
6h 49m
1 stop
C$ 321American Airlines
Thu, 26 Feb - Sat, 28 Feb

American Airlines flights from Detroit to Seattle

Our best American Airlines deals on Detroit to Seattle flight tickets
American Airlines
3 Mar
DTW5:23 p.m.Detroit Metropolitan Wayne County
8h 41m
1 stop
SEA11:04 p.m.Seattle/Tacoma Intl
10 Mar
SEA11:59 p.m.Seattle/Tacoma Intl
7h 43m
1 stop
DTW10:42 a.m.Detroit Metropolitan Wayne County
C$ 294
American Airlines
26 Feb
DTW7:31 p.m.Detroit Metropolitan Wayne County
8h 24m
1 stop
SEA12:55 a.m.Seattle/Tacoma Intl
28 Feb
SEA12:07 a.m.Seattle/Tacoma Intl
6h 49m
1 stop
DTW9:56 a.m.Detroit Metropolitan Wayne County
C$ 321
American Airlines
8 May
DTW5:00 a.m.Detroit Metropolitan Wayne County
8h 14m
1 stop
SEA10:14 a.m.Seattle/Tacoma Intl
16 May
SEA6:00 a.m.Seattle/Tacoma Intl
9h 26m
1 stop
DTW6:26 p.m.Detroit Metropolitan Wayne County
C$ 389

Delta flights from Detroit to Seattle

Our best Delta deals on Detroit to Seattle flight tickets
Delta
4 Mar
DTW8:30 a.m.Detroit Metropolitan Wayne County
5h 12m
SEA10:42 a.m.Seattle/Tacoma Intl
7 Mar
SEA1:38 p.m.Seattle/Tacoma Intl
5h 58m
1 stop
DTW10:36 p.m.Detroit Metropolitan Wayne County
C$ 283
Delta
6 Mar
DTW8:05 p.m.Detroit Metropolitan Wayne County
5h 00m
SEA10:05 p.m.Seattle/Tacoma Intl
9 Mar
SEA11:15 p.m.Seattle/Tacoma Intl
4h 11m
DTW6:26 a.m.Detroit Metropolitan Wayne County
C$ 296
Delta
6 Mar
DTW4:59 p.m.Detroit Metropolitan Wayne County
5h 01m
SEA7:00 p.m.Seattle/Tacoma Intl
13 Mar
SEA7:59 p.m.Seattle/Tacoma Intl
7h 55m
1 stop
DTW6:54 a.m.Detroit Metropolitan Wayne County
C$ 310

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 3 February 2026.
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

Mon 16/3

5:39 p.m.-7:52 p.m.

Nonstop5h 13m

Seattle/Tacoma Intl

Sat 21/3

8:35 a.m.-3:56 p.m.

Nonstop4h 21m

C$ 276

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Mon 16/3

5:39 p.m.-7:52 p.m.

Nonstop5h 13m

Seattle/Tacoma Intl

Sat 21/3

8:35 a.m.-3:56 p.m.

Nonstop4h 21m

C$ 279

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Mon 16/3

5:39 p.m.-7:52 p.m.

Nonstop5h 13m

Seattle/Tacoma Intl

Sat 21/3

8:35 a.m.-3:56 p.m.

Nonstop4h 21m

C$ 280

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Mon 16/3

5:39 p.m.-7:52 p.m.

Nonstop5h 13m

Seattle/Tacoma Intl

Sat 21/3

8:35 a.m.-3:56 p.m.

Nonstop4h 21m

C$ 281

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 4/3

4:59 p.m.-7:00 p.m.

Nonstop5h 01m

Seattle/Tacoma Intl

Tue 10/3

11:45 a.m.-10:54 p.m.

1 stop8h 09m

C$ 283

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 3/3

5:23 p.m.-11:04 p.m.

1 stop8h 41m

Seattle/Tacoma Intl

Tue 10/3

11:59 p.m.-10:42 a.m.

1 stop7h 43m

C$ 294

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 6/3

8:05 p.m.-10:05 p.m.

Nonstop5h 00m

Seattle/Tacoma Intl

Mon 9/3

11:15 p.m.-6:26 a.m.

Nonstop4h 11m

C$ 296

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 6/3

4:41 p.m.-11:25 p.m.

1 stop9h 44m

Seattle/Tacoma Intl

Fri 13/3

11:15 p.m.-6:26 a.m.

Nonstop4h 11m

C$ 310

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 3/3

7:11 p.m.-11:01 a.m.

2 stops42h 50m

Seattle/Tacoma Intl

Tue 10/3

10:08 p.m.-12:29 a.m.

1 stop23h 21m

C$ 311

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 26/2

7:31 p.m.-12:55 a.m.

1 stop8h 24m

Seattle/Tacoma Intl

Sat 28/2

12:07 a.m.-9:56 a.m.

1 stop6h 49m

C$ 321

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 January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of C$ 397.

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

Our data shows that Saturday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 548. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 902. 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 in the evening. Flights from Detroit to Seattle during this time can be as low as C$ 433. Flights in the morning are often more expensive with an average ticket price of C$ 742.

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$ 508 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$ 466 on momondo.

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

There are 4 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 February 2026, prices for Detroit to Seattle flights are approximately 28% 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$ 202

Fastest flight time

4h 53m

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$ 202. The best round-trip flight deal from Detroit to Seattle found on momondo in the last 72 hours is C$ 470.
The fastest flight from Detroit to Seattle takes 4h 53m
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. 4h 53m 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$ 174Free CancellationRating
7.9
8,141 reviews
Search Delta flights
Spirit AirlinesPriceFrom C$ 251Free CancellationRating
6.3
8,410 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom C$ 261Free CancellationRating
7.8
2,831 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom C$ 367Free CancellationRating
8.0
11,835 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$ 367. Generally, Alaska Airlines has 4 flights on this route every week with an average price of C$ 557. 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, 8,138 ratings). Delta flies from Detroit to Seattle around 20 times per week, with deals starting from C$ 174 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
Lynnwood
Leavenworth
Marysville
SeaTac
Tacoma
Redmond
Kirkland
Tukwila
Olympia
Ocean Shores
Bainbridge Island
Ellensburg
Gig Harbor
Renton
Mukilteo
Cle Elum
Centralia
Puyallup
Kent
Edmonds

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.

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