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Cheap flights from Detroit Metropolitan Wayne County Airport to Seattle from C$ 139

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — SEA
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Detroit Metropolitan Wayne County to Seattle/Tacoma Intl are usually found in February or April, booked 29 days in advance, depart on a Saturday or Wednesday and return on a Sunday

Cheap flight deals from Detroit to Seattle

Enter your travel dates to find the best prices.

Cheapest flights from Detroit to Seattle
Explore the most affordable flight options available from Detroit to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 January 2026.

Fri 13/35:22 p.m.
DTW
-
SEA
Nonstop5h 13m
Hawaiian Airlines
Wed 18/38:35 a.m.
SEA
-
DTW
Nonstop4h 21m
Hawaiian Airlines
Deal found 27/1C$ 277
Thu 12/35:22 p.m.
DTW
-
SEA
Nonstop5h 13m
Hawaiian Airlines
Wed 18/38:35 a.m.
SEA
-
DTW
Nonstop4h 21m
Hawaiian Airlines
Deal found 27/1C$ 279
Wed 6/57:09 a.m.
DTW
-
SEA
Nonstop4h 59m
Alaska Airlines
Thu 14/510:23 p.m.
SEA
-
DTW
Nonstop4h 26m
Alaska Airlines
Deal found 27/1C$ 283
Mon 16/35:39 p.m.
DTW
-
SEA
Nonstop5h 13m
Alaska Airlines
Sat 21/38:35 a.m.
SEA
-
DTW
Nonstop4h 21m
Alaska Airlines
Deal found 26/1C$ 286
Wed 6/57:00 a.m.
DTW
-
SEA
1 stop10h 42m
Delta
Sat 16/59:30 a.m.
SEA
-
DTW
1 stop10h 34m
Delta
Deal found 27/1C$ 297
Thu 7/58:32 a.m.
DTW
-
SEA
1 stop9h 11m
Delta
Sat 16/512:00 p.m.
SEA
-
DTW
1 stop8h 04m
Delta
Deal found 27/1C$ 310
Sat 7/34:59 p.m.
DTW
-
SEA
Nonstop5h 01m
Delta
Tue 10/311:15 p.m.
SEA
-
DTW
Nonstop4h 11m
Delta
Deal found 26/1C$ 312
Sat 14/35:22 p.m.
DTW
-
SEA
Nonstop5h 13m
Hawaiian Airlines
Wed 18/38:35 a.m.
SEA
-
DTW
Nonstop4h 21m
Hawaiian Airlines
Deal found 27/1C$ 321
Thu 7/56:25 p.m.
DTW
-
SEA
1 stop8h 57m
Delta
Fri 15/57:20 a.m.
SEA
-
DTW
1 stop10h 22m
Delta
Deal found 27/1C$ 324
Sat 9/57:09 a.m.
DTW
-
SEA
Nonstop4h 59m
Alaska Airlines
Wed 13/510:23 p.m.
SEA
-
DTW
Nonstop4h 26m
Alaska Airlines
Deal found 27/1C$ 325
Sat 25/43:29 p.m.
DTW
-
SEA
2 stops10h 58m
United Airlines
Sun 26/411:59 p.m.
SEA
-
DTW
1 stop6h 44m
United Airlines
Deal found 26/1C$ 331
Tue 17/25:22 p.m.
DTW
-
SEA
Nonstop5h 13m
Multiple Airlines
Fri 20/29:12 a.m.
SEA
-
DTW
Nonstop4h 14m
Multiple Airlines
Deal found 26/1C$ 336

Find flight deals from Detroit to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTW) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 January 2026.

Round-trip from

C$ 277

One-way from

C$ 139

Popular in

July

Cheapest in

February

Average price

C$ 485

Good round-trip deal

C$ 475 or less

Good one-way deal

C$ 209 or less
Hawaiian Airlines
  • Hawaiian Airlines
  • 13/3-18/3
  • Nonstop
  • 9h 34m total
  • Detroit to Seattle
Search Deals
Frontier
  • Frontier
  • 11/2
  • 1 total stop
  • 30h 31m total
  • Detroit to Seattle
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Detroit Metropolitan Wayne County to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Detroit Metropolitan Wayne County to Seattle/Tacoma Intl.
Search Deals

Cheapflights 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, Cheapflights users made 629,999 searches. Data last updated 28 January 2026.
Use the filters below to find and compare flights from Detroit Metropolitan Wayne County Airport to Seattle that are best for you.

Fly from

Detroit

Fly to

Seattle

Route

Depart

Return

Price

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 5/5

8:45 a.m.-2:13 p.m.

1 stop8h 28m

Seattle/Tacoma Intl

Tue 19/5

11:05 p.m.-6:27 a.m.

Nonstop4h 22m

C$ 283

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 6/5

7:09 a.m.-9:08 a.m.

Nonstop4h 59m

Seattle/Tacoma Intl

Thu 14/5

10:23 p.m.-5:49 a.m.

Nonstop4h 26m

C$ 283

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 7/5

7:09 a.m.-9:08 a.m.

Nonstop4h 59m

Seattle/Tacoma Intl

Tue 19/5

10:23 p.m.-5:49 a.m.

Nonstop4h 26m

C$ 283

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 24/2

8:00 a.m.-2:44 p.m.

1 stop9h 44m

Seattle/Tacoma Intl

Tue 3/3

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

Nonstop4h 11m

C$ 283

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 13/3

8:15 p.m.-10:15 p.m.

Nonstop5h 00m

Seattle/Tacoma Intl

Wed 18/3

1:30 p.m.-8:45 p.m.

Nonstop4h 15m

C$ 283

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$ 286

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 7/5

7:09 a.m.-9:08 a.m.

Nonstop4h 59m

Seattle/Tacoma Intl

Fri 15/5

10:23 p.m.-5:49 a.m.

Nonstop4h 26m

C$ 297

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 5/5

2:05 p.m.-10:05 p.m.

1 stop11h 00m

Seattle/Tacoma Intl

Sat 16/5

12:00 p.m.-11:04 p.m.

1 stop8h 04m

C$ 297

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 9/5

6:25 p.m.-12:22 a.m.

1 stop8h 57m

Seattle/Tacoma Intl

Tue 19/5

7:20 a.m.-8:42 p.m.

1 stop10h 22m

C$ 297

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 21/4

7:52 p.m.-9:49 p.m.

Nonstop4h 57m

C$ 163

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/1

Showing 1-10 of 18 results
1
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Best time to book a flight from Detroit to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Detroit with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Detroit Metropolitan Wayne County Airport to Seattle

How far ahead should I book a flight from Detroit Metropolitan Wayne County Airport to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Detroit to Seattle. Price data was last updated on 23 January 2026.

To ensure you get the cheapest price possible for a flight from Detroit Metropolitan Wayne County Airport to Seattle, you should look to book at least 29 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to Seattle?

Currently, April is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Seattle (average of C$ 232). Flying from Detroit Metropolitan Wayne County Airport to Seattle in August is currently the most expensive (average of C$ 365). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DTW to SEA?

Find hourly flight availability from Detroit to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 January 2026.

When flying from Detroit Metropolitan Wayne County Airport to Seattle, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated 28 January 2026.
Check out reviews from past customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines from Detroit Metropolitan Wayne County Airport to Seattle to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,805 reviews
Check prices

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
11,805 reviews
Alaska Airlines
8.0
Very good
11,805 reviews
Check prices

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Delta
7.9
Good
8,124 reviews
Alaska Airlines
8.0
Very good
11,805 reviews
Check prices

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Hawaiian Airlines
7.8
Good
2,830 reviews
Alaska Airlines
8.0
Very good
11,805 reviews
Check prices

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Spirit Airlines
6.3
Okay
8,388 reviews
Alaska Airlines
8.0
Very good
11,805 reviews
Check prices

Overall

8.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

Find useful and relevant information for your journey from Detroit to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Detroit to Seattle?

    If you book a flight from Detroit to Seattle, you will be flying from Detroit Metropolitan Wayne County to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from Detroit Metropolitan Wayne County (DTW) take 5h 00m for a nonstop flight. There are 10 flights from Detroit Metropolitan Wayne County to Seattle per day from 4 airlines.

  • How long is the flight from Detroit Metropolitan Wayne County Airport to Seattle?

    Delta and Alaska Airlines can get you from Detroit Metropolitan Wayne County Airport to Seattle in just under 4h 59m. Your travel time can differ by up to 3h 29m. The distance between Detroit Metropolitan Wayne County Airport and Seattle is about 3090 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines flying from Detroit Metropolitan Wayne County Airport to Seattle round-trip?

    Our cheapest airline available from Detroit Metropolitan Wayne County Airport to Seattle is Delta. Our recent data shows that you can find tickets from as low as C$ 175 on this airline. Additional options worth looking into are Spirit Airlines and Hawaiian Airlines, starting at C$ 251 and C$ 261 round-trip. Users have found that Delta is 65% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Detroit Metropolitan Wayne County Airport to Seattle?

    Consider Air Tahiti Nui (75%), American Airlines (68%) or Alaska Airlines (68%) when booking your flight. These represent the most reliable airlines when flying from Detroit Metropolitan Wayne County Airport to Seattle.

  • What are the cheapest flights from Detroit Metropolitan Wayne County Airport to Seattle?

    While on average a flight from Detroit Metropolitan Wayne County Airport to Seattle is generally C$ 927, our data shows the cheapest flight currently is C$ 202. When looking at the most popular route, (Detroit Metropolitan Wayne County - Seattle/Tacoma Intl), you can expect to pay C$ 361 for that flight.

  • Can I find deals for flights from Detroit to Seattle that include hotel bookings?

    Yes. In addition to deals on Detroit to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Detroit to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Seattle.

  • Can I find deals for business class flights from Detroit to Seattle?

    Yes. Cheapflights offers flight deals from Detroit to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to Seattle?

    Currently, April is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Seattle (average of C$ 232). Flying from Detroit Metropolitan Wayne County Airport to Seattle in August is currently the most expensive (average of C$ 365). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac
Mukilteo
Tacoma
Kent
Tukwila
Bothell
Cashmere
Olympia
Renton
Lynnwood
Marysville
Kirkland

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Alternative routes for Detroit to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Detroit to Portland flights

Top 4 airlines flying from Detroit to Seattle

Discover the top 4 airlines that operate flights from Detroit to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 28 January 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 175AverageC$ 474FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Spirit AirlinesCheapestC$ 251AverageC$ 284FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Hawaiian AirlinesCheapestC$ 261AverageC$ 528FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Alaska AirlinesCheapestC$ 367AverageC$ 557FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Detroit to Seattle?

Deals for Detroit to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Detroit to Seattle?

Cheapflights simply makes it quick and affordable to book flights from Detroit to Seattle by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Detroit to Seattle with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Detroit to Seattle flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Detroit to Seattle become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Detroit today and book when prices fit your budget.

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