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Cheap flights from Detroit to Seattle from C$ 235

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 26/11. 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.
Alaska Airlines Logo
6:40 a.m. - 8:49 a.m.DTW-SEA
5h 09mdirect
Alaska Airlines Logo
8:30 a.m. - 3:56 p.m.SEA-DTW
4h 26mdirect
C$ 302Alaska Airlines
Find Deal
Wed, 24 Dec - Tue, 6 Jan
Delta Logo
4:25 p.m. - 6:28 p.m.DTW-SEA
5h 03mdirect
Delta Logo
9:45 a.m. - 10:59 p.m.SEA-DTW
10h 14m1 stop
C$ 316Delta
Find Deal
Wed, 24 Dec - Wed, 31 Dec
Delta Logo
8:25 a.m. - 10:46 a.m.DTW-SEA
5h 21mdirect
Delta Logo
11:15 p.m. - 6:39 a.m.SEA-DTW
4h 24mdirect
C$ 330Delta
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Sun, 23 Nov - Sun, 7 Dec
United Airlines Logo
9:07 a.m. - 1:54 p.m.DTW-SEA
7h 47m1 stop
United Airlines Logo
12:35 p.m. - 11:35 p.m.SEA-DTW
8h 00m1 stop
C$ 336United Airlines
Find Deal
Thu, 13 Nov - Tue, 18 Nov
United Airlines Logo
4:45 p.m. - 9:15 p.m.DTW-SEA
7h 30m1 stop
United Airlines Logo
9:25 a.m. - 10:30 p.m.SEA-DTW
10h 05m2 stops
C$ 337United Airlines
Find Deal
Wed, 21 Jan - Tue, 27 Jan
United Airlines Logo
7:15 a.m. - 1:54 p.m.DTW-SEA
9h 39m2 stops
United Airlines Logo
7:00 a.m. - 4:45 p.m.SEA-DTW
6h 45m1 stop
C$ 343United Airlines
Find Deal
Thu, 13 Nov - Tue, 18 Nov
Alaska Airlines Logo
6:40 a.m. - 8:49 a.m.DTW-SEA
5h 09mdirect
Alaska Airlines Logo
10:01 p.m. - 5:20 a.m.SEA-DTW
4h 19mdirect
C$ 358Alaska Airlines
Find Deal
Thu, 25 Dec - Fri, 2 Jan
Frontier Logo
5:14 p.m. - 12:13 p.m.DTW-SEA
21h 59m1 stop
Frontier Logo
2:22 p.m. - 4:19 p.m.SEA-DTW
22h 57m1 stop
C$ 396Frontier
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Fri, 14 Nov - Sun, 16 Nov
Hawaiian Airlines Logo
5:41 p.m. - 7:51 p.m.DTW-SEA
5h 10mdirect
Hawaiian Airlines Logo
10:01 p.m. - 5:20 a.m.SEA-DTW
4h 19mdirect
C$ 418Hawaiian Airlines
Find Deal
Wed, 17 Dec - Sat, 3 Jan
Frontier Logo
5:20 p.m. - 11:53 a.m.DTW-SEA
21h 33m1 stop
Frontier Logo
2:54 p.m. - 9:06 p.m.SEA-DTW
27h 12m1 stop
C$ 439Frontier
Find Deal
Fri, 12 Dec - Fri, 19 Dec

Alaska Airlines flights from Detroit to Seattle

Our best Alaska Airlines deals on Detroit to Seattle flight tickets
Alaska Airlines
24 Dec
DTW6:40 a.m.Detroit Metropolitan Wayne County
5h 09m
SEA8:49 a.m.Seattle/Tacoma Intl
6 Jan
SEA8:30 a.m.Seattle/Tacoma Intl
4h 26m
DTW3:56 p.m.Detroit Metropolitan Wayne County
C$ 302
Find similar
Alaska Airlines
25 Dec
DTW6:40 a.m.Detroit Metropolitan Wayne County
5h 09m
SEA8:49 a.m.Seattle/Tacoma Intl
2 Jan
SEA10:01 p.m.Seattle/Tacoma Intl
4h 19m
DTW5:20 a.m.Detroit Metropolitan Wayne County
C$ 358
Find similar
Alaska Airlines
19 Dec
DTW6:40 a.m.Detroit Metropolitan Wayne County
5h 09m
SEA8:49 a.m.Seattle/Tacoma Intl
3 Jan
SEA10:01 p.m.Seattle/Tacoma Intl
4h 19m
DTW5:20 a.m.Detroit Metropolitan Wayne County
C$ 386
Find similar

Delta flights from Detroit to Seattle

Our best Delta deals on Detroit to Seattle flight tickets
Delta
24 Dec
DTW4:25 p.m.Detroit Metropolitan Wayne County
5h 03m
SEA6:28 p.m.Seattle/Tacoma Intl
31 Dec
SEA9:45 a.m.Seattle/Tacoma Intl
10h 14m
1 stop
DTW10:59 p.m.Detroit Metropolitan Wayne County
C$ 316
Find similar
Delta
23 Nov
DTW8:25 a.m.Detroit Metropolitan Wayne County
5h 21m
SEA10:46 a.m.Seattle/Tacoma Intl
7 Dec
SEA11:15 p.m.Seattle/Tacoma Intl
4h 24m
DTW6:39 a.m.Detroit Metropolitan Wayne County
C$ 330
Find similar
Delta
24 Nov
DTW8:12 p.m.Detroit Metropolitan Wayne County
6h 59m
1 stop
SEA12:11 a.m.Seattle/Tacoma Intl
8 Dec
SEA3:15 p.m.Seattle/Tacoma Intl
4h 18m
DTW10:33 p.m.Detroit Metropolitan Wayne County
C$ 344
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 30 October 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

Wed 24/12

6:40 a.m.-8:49 a.m.

Nonstop5h 09m

Seattle/Tacoma Intl

Tue 6/1

8:30 a.m.-3:56 p.m.

Nonstop4h 26m

C$ 302

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 24/12

4:25 p.m.-6:28 p.m.

Nonstop5h 03m

Seattle/Tacoma Intl

Wed 31/12

9:45 a.m.-10:59 p.m.

1 stop10h 14m

C$ 316

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sun 23/11

8:25 a.m.-10:46 a.m.

Nonstop5h 21m

Seattle/Tacoma Intl

Sun 7/12

11:15 p.m.-6:39 a.m.

Nonstop4h 24m

C$ 330

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 13/11

9:07 a.m.-1:54 p.m.

1 stop7h 47m

Seattle/Tacoma Intl

Tue 18/11

12:35 p.m.-11:35 p.m.

1 stop8h 00m

C$ 336

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 21/1

4:45 p.m.-9:15 p.m.

1 stop7h 30m

Seattle/Tacoma Intl

Tue 27/1

9:25 a.m.-10:30 p.m.

2 stops10h 05m

C$ 337

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 13/11

7:15 a.m.-1:54 p.m.

2 stops9h 39m

Seattle/Tacoma Intl

Tue 18/11

7:00 a.m.-4:45 p.m.

1 stop6h 45m

C$ 343

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 25/12

6:40 a.m.-8:49 a.m.

Nonstop5h 09m

Seattle/Tacoma Intl

Fri 2/1

10:01 p.m.-5:20 a.m.

Nonstop4h 19m

C$ 358

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 14/11

5:14 p.m.-12:13 p.m.

1 stop21h 59m

Seattle/Tacoma Intl

Sun 16/11

2:22 p.m.-4:19 p.m.

1 stop22h 57m

C$ 396

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 17/12

5:41 p.m.-7:51 p.m.

Nonstop5h 10m

Seattle/Tacoma Intl

Sat 3/1

10:01 p.m.-5:20 a.m.

Nonstop4h 19m

C$ 418

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 12/12

5:20 p.m.-11:53 a.m.

1 stop21h 33m

Seattle/Tacoma Intl

Fri 19/12

2:54 p.m.-9:06 p.m.

1 stop27h 12m

C$ 439

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$ 421.

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

Our data shows that Wednesday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 621. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 911. 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$ 300. Flights in the morning are often more expensive with an average ticket price of C$ 744.

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$ 526 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$ 481 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 October 2025, prices for Detroit to Seattle flights are approximately 53% 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$ 474

Fastest flight time

5h 00m

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$ 474. The best round-trip flight deal from Detroit to Seattle found on momondo in the last 72 hours is C$ 440.
The fastest flight from Detroit to Seattle takes 5h 00m
Direct flights go from Detroit to Seattle every day.
There is 1 airport near Seattle: 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 03m 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$ 179Free CancellationRating
7.9
7,999 reviews
Search Delta flights
Spirit AirlinesPriceFrom C$ 256Free CancellationRating
6.3
8,115 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom C$ 266Free CancellationRating
7.8
2,798 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom C$ 370Free CancellationRating
8.0
11,220 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 4 flights on this route every week with an average price of C$ 556. 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, 7,996 ratings). Delta flies from Detroit to Seattle around 10 times per week, with deals starting from C$ 179 round-trip and rising to an average price of around C$ 460.

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
Olympia
Ocean Shores
Redmond
Shoreline
Ellensburg
Gig Harbor
Renton
Mukilteo
Cle Elum
Centralia
Federal Way
Puyallup
Shelton
Lakewood

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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