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Cheap flights from Detroit Metropolitan Wayne County Airport to Seattle from C$ 103

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — SEA
9 Apr — 16 Apr1
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 January or February, booked 60 days in advance, depart on a Tuesday or Saturday 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 10 March 2026.

Fri 8/510:27 p.m.
DTW
-
SEA
1 stop14h 00m
Multiple Airlines
Sat 16/510:42 a.m.
SEA
-
DTW
1 stop17h 38m
Multiple Airlines
Deal found 9/3C$ 316
Fri 3/43:29 p.m.
DTW
-
SEA
1 stop10h 04m
United Airlines
Sun 12/411:59 p.m.
SEA
-
DTW
1 stop6h 44m
United Airlines
Deal found 5/3C$ 349
Wed 1/43:29 p.m.
DTW
-
SEA
2 stops10h 58m
United Airlines
Wed 8/42:39 p.m.
SEA
-
DTW
1 stop6h 20m
United Airlines
Deal found 5/3C$ 356
Sun 24/512:16 p.m.
DTW
-
SEA
1 stop10h 43m
Frontier
Wed 27/59:14 p.m.
SEA
-
DTW
1 stop11h 05m
Frontier
Deal found 5/3C$ 368
Wed 8/44:52 p.m.
DTW
-
SEA
Nonstop5h 04m
Hawaiian Airlines
Wed 15/48:35 a.m.
SEA
-
DTW
Nonstop4h 24m
Hawaiian Airlines
Deal found 9/3C$ 373
Wed 1/44:29 p.m.
DTW
-
SEA
Nonstop4h 57m
Delta
Wed 8/46:00 a.m.
SEA
-
DTW
Nonstop4h 09m
Delta
Deal found 9/3C$ 376
Thu 2/46:00 a.m.
DTW
-
SEA
1 stop8h 48m
United Airlines
Thu 9/411:59 p.m.
SEA
-
DTW
1 stop6h 44m
United Airlines
Deal found 5/3C$ 391

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 10 March 2026.

Round-trip from

C$ 316

One-way from

C$ 103

Popular in

July

Cheapest in

January

Average price

C$ 523

Good round-trip deal

C$ 260 or less

Good one-way deal

C$ 197 or less
8/5-16/5
  • 8/5-16/5
  • 2 total stops
  • 31h 38m total
  • Detroit to Seattle
Search Deals
Frontier
  • Frontier
  • 15/5
  • 1 total stop
  • 14h 00m total
  • Detroit to Seattle
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 10 March 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 8/5

9:10 a.m.-11:05 a.m.

Nonstop4h 55m

Seattle/Tacoma Intl

Sat 16/5

5:30 a.m.-12:52 p.m.

Nonstop4h 22m

C$ 424

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 28/5

7:09 a.m.-9:10 a.m.

Nonstop5h 01m

Seattle/Tacoma Intl

Mon 1/6

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

Nonstop4h 26m

C$ 471
Quickest round-trip

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Mon 6/7

6:00 a.m.-7:55 a.m.

Nonstop4h 55m

Seattle/Tacoma Intl

Tue 14/7

6:00 a.m.-1:19 p.m.

Nonstop4h 19m

C$ 471

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 2/9

4:46 p.m.-6:47 p.m.

Nonstop5h 01m

Seattle/Tacoma Intl

Wed 9/9

9:45 p.m.-5:05 a.m.

Nonstop4h 20m

C$ 471

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sun 17/5

8:55 p.m.-10:48 p.m.

Nonstop4h 53m

Seattle/Tacoma Intl

Mon 25/5

5:30 a.m.-12:52 p.m.

Nonstop4h 22m

C$ 471

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 5/8

7:00 a.m.-1:20 p.m.

1 stop9h 20m

Seattle/Tacoma Intl

Wed 12/8

5:20 a.m.-3:00 p.m.

1 stop6h 40m

C$ 498

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 2/9

1:45 p.m.-6:10 p.m.

1 stop7h 25m

Seattle/Tacoma Intl

Wed 9/9

6:25 a.m.-6:15 p.m.

1 stop8h 50m

C$ 498

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 18/7

8:00 p.m.-10:05 p.m.

Nonstop5h 05m

Seattle/Tacoma Intl

Mon 27/7

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

Nonstop4h 22m

C$ 506
Cheapest one-way

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 8/4

7:40 p.m.-12:10 a.m.

1 stop7h 30m

C$ 202

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 4/4

4:52 p.m.-6:56 p.m.

Nonstop5h 04m

C$ 216

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 6 March 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 60 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, November is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Seattle (average of C$ 238). Flying from Detroit Metropolitan Wayne County Airport to Seattle in August is currently the most expensive (average of C$ 357). 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 10 March 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.

How much does it cost to fly round-trip from Detroit Metropolitan Wayne County Airport to Seattle?

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 10 March 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
12,014 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

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
12,014 reviews
Alaska Airlines
8.0
Very good
12,014 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

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
8,276 reviews
Alaska Airlines
8.0
Very good
12,014 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

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
2,837 reviews
Alaska Airlines
8.0
Very good
12,014 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Overall

8.0

Crew

8.5

Food

7.1

Comfort

7.8

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 4h 56m for a nonstop flight. There are 10 flights from Detroit Metropolitan Wayne County to Seattle per day from 3 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 55m. Your travel time will be generally consistent. The distance between Detroit Metropolitan Wayne County Airport and Seattle is about 3090 km. Most flights are nonstop.

  • 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$ 173 on this airline. Additional options worth looking into are Hawaiian Airlines and Alaska Airlines, starting at C$ 237 and C$ 260 round-trip. Users have found that Delta is 64% cheaper than the other options available to this destination.

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

    Consider Japan Airlines (77%), Air Tahiti Nui (75%) or American Airlines (75%) 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$ 348, our data shows the cheapest flight currently is C$ 154. When looking at the most popular route, (Detroit Metropolitan Wayne County - Seattle/Tacoma Intl), you can expect to pay C$ 316 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, November is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Seattle (average of C$ 238). Flying from Detroit Metropolitan Wayne County Airport to Seattle in August is currently the most expensive (average of C$ 357). 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
SeaTac
Leavenworth
Mukilteo
Tacoma
Kent
Bothell
Cashmere
Tukwila
Olympia
Renton
Marysville
Lynnwood
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 3 airlines flying from Detroit to Seattle

Discover the top 3 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 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 173AverageC$ 451FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Hawaiian AirlinesCheapestC$ 237AverageC$ 501FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Alaska AirlinesCheapestC$ 260AverageC$ 533FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

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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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