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Cheap flights from Detroit Metropolitan Wayne County Airport to Seattle from C$ 134

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 25/1. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — SEA
11 Jan — 18 Jan1
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 November, booked 29 days in advance, depart on a Thursday or Saturday and return on a Wednesday

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 12 December 2025.

Wed 24/126:00 p.m.DTW - SEA
1 stop8h 27mDelta
Wed 31/123:55 p.m.SEA - DTW
Nonstop4h 21mDelta
Deal found 10/12C$ 437
Wed 24/128:13 p.m.DTW - SEA
Nonstop5h 12mDelta
Sun 11/16:05 a.m.SEA - DTW
Nonstop4h 16mDelta
Deal found 10/12C$ 452
Thu 25/126:40 a.m.DTW - SEA
Nonstop5h 09mAlaska Airlines
Mon 5/18:30 a.m.SEA - DTW
Nonstop4h 26mAlaska Airlines
Deal found 9/12C$ 508
Thu 18/128:25 a.m.DTW - SEA
Nonstop5h 15mDelta
Wed 7/16:05 a.m.SEA - DTW
Nonstop4h 16mDelta
Deal found 11/12C$ 548
Sat 20/126:10 p.m.DTW - SEA
1 stop10h 15mSouthwest
Sat 10/110:45 a.m.SEA - DTW
1 stop6h 00mSouthwest
Deal found 11/12C$ 549
Mon 22/126:35 a.m.DTW - SEA
1 stop11h 40mSouthwest
Mon 12/16:45 a.m.SEA - DTW
1 stop5h 45mSouthwest
Deal found 10/12C$ 556
Thu 18/128:25 a.m.DTW - SEA
Nonstop5h 15mDelta
Fri 9/11:30 p.m.SEA - DTW
Nonstop4h 15mDelta
Deal found 11/12C$ 561
Wed 24/127:00 a.m.DTW - SEA
1 stop9h 25mSouthwest
Sun 11/16:35 a.m.SEA - DTW
1 stop5h 55mSouthwest
Deal found 10/12C$ 568
Fri 19/127:15 a.m.DTW - SEA
1 stop7h 48mUnited Airlines
Sat 10/17:00 a.m.SEA - DTW
1 stop9h 36mUnited Airlines
Deal found 11/12C$ 575
Sat 20/126:40 a.m.DTW - SEA
Nonstop5h 09mAlaska Airlines
Wed 7/19:02 a.m.SEA - DTW
Nonstop4h 17mAlaska Airlines
Deal found 11/12C$ 576

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 12 December 2025.

Round-trip from

C$ 274

One-way from

C$ 134

Popular in

July

Cheapest in

February

Average price

C$ 521

Good round-trip deal

C$ 409 or less

Good one-way deal

C$ 346 or less
Delta
  • Delta
  • 22/1-26/1
  • 2 total stops
  • 16h 44m total
  • Detroit to Seattle
Search Deals
Frontier
  • Frontier
  • 25/1
  • 1 total stop
  • 21h 05m total
  • Detroit to Seattle
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 91 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 12 December 2025.
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

Fri 9/1

8:00 a.m.-12:33 p.m.

1 stop7h 33m

Seattle/Tacoma Intl

Sun 11/1

5:40 p.m.-5:40 a.m.

1 stop9h 00m

C$ 274

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 4/3

12:30 p.m.-8:30 p.m.

1 stop11h 00m

Seattle/Tacoma Intl

Wed 11/3

9:40 a.m.-10:54 p.m.

1 stop10h 14m

C$ 274

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 22/1

12:30 p.m.-6:43 p.m.

1 stop9h 13m

Seattle/Tacoma Intl

Thu 29/1

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

1 stop9h 00m

C$ 274

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 22/1

12:30 p.m.-6:43 p.m.

1 stop9h 13m

Seattle/Tacoma Intl

Mon 26/1

10:59 p.m.-9:30 a.m.

1 stop7h 31m

C$ 274

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sun 8/2

7:45 p.m.-9:49 p.m.

Nonstop5h 04m

Seattle/Tacoma Intl

Wed 11/2

6:05 a.m.-1:21 p.m.

Nonstop4h 16m

C$ 302

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sun 25/1

7:45 p.m.-9:49 p.m.

Nonstop5h 04m

Seattle/Tacoma Intl

Wed 28/1

6:05 a.m.-1:21 p.m.

Nonstop4h 16m

C$ 302

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sun 8/2

7:15 a.m.-11:32 a.m.

1 stop7h 17m

Seattle/Tacoma Intl

Wed 11/2

8:40 a.m.-10:10 p.m.

2 stops10h 30m

C$ 336

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sun 25/1

6:35 a.m.-10:50 a.m.

1 stop7h 15m

Seattle/Tacoma Intl

Wed 28/1

9:55 a.m.-10:30 p.m.

2 stops9h 35m

C$ 364

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 28/2

6:45 p.m.-11:55 p.m.

1 stop8h 10m

Seattle/Tacoma Intl

Tue 3/3

8:45 a.m.-9:25 p.m.

2 stops9h 40m

C$ 370

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 16/1

7:15 a.m.-11:32 a.m.

1 stop7h 17m

Seattle/Tacoma Intl

Sun 18/1

5:00 a.m.-6:59 p.m.

2 stops10h 59m

C$ 378

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 21 results
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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 5 December 2025.

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$ 226). Flying from Detroit Metropolitan Wayne County Airport to Seattle in August is currently the most expensive (average of C$ 364). 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 12 December 2025.

One of the essential ways to save on airfare from Detroit Metropolitan Wayne County Airport to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 62% on airfare.

What is the cheapest day to fly from Detroit Metropolitan Wayne County Airport to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Detroit to Seattle. Price data was last updated on 6 December 2025.

Travelers seeking maximum savings on their Detroit Metropolitan Wayne County Airport to Seattle flight should consider departing on Tuesday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 12 December 2025.
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
11,432 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

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
11,432 reviews
Alaska Airlines
8.0
Very good
11,432 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

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
8,007 reviews
Alaska Airlines
8.0
Very good
11,432 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

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
2,817 reviews
Alaska Airlines
8.0
Very good
11,432 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

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
8,178 reviews
Alaska Airlines
8.0
Very good
11,432 reviews
Check prices

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

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 07m for a nonstop flight. There are 11 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 United Airlines can get you from Detroit Metropolitan Wayne County Airport to Seattle in just under 7h 17m. Your travel time can differ by up to 1h 56m. 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$ 176 on this airline. Additional options worth looking into are Spirit Airlines and Hawaiian Airlines, starting at C$ 254 and C$ 264 round-trip. Users have found that Delta is 66% 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 France (91%), Korean Air (87%) or Air Tahiti Nui (84%) 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$ 436, our data shows the cheapest flight currently is C$ 196. When looking at the most popular route, (Detroit Metropolitan Wayne County - Seattle/Tacoma Intl), you can expect to pay C$ 451 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$ 226). Flying from Detroit Metropolitan Wayne County Airport to Seattle in August is currently the most expensive (average of C$ 364). 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
Tukwila
Mukilteo
Tacoma
Bothell
Cashmere
Olympia
Renton
Marysville
Lynnwood

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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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 177AverageC$ 475FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Spirit AirlinesCheapestC$ 254AverageC$ 286FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Hawaiian AirlinesCheapestC$ 264AverageC$ 533FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Alaska AirlinesCheapestC$ 381AverageC$ 541FlexibilityNo 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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