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Cheap flights from Detroit Metropolitan Wayne County Airport to Seattle from C$ 220

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — SEA
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Detroit Metropolitan Wayne County to Seattle/Tacoma Intl are usually found in February or April, booked 71 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap 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 11 September 2025.

Round-trip from

C$ 378

One-way from

C$ 220

Popular in

July

Cheapest in

February

Average price

C$ 510

Good round-trip deal

C$ 477 or less

Good one-way deal

C$ 393 or less
Southwest
  • Southwest
  • 14/11-18/11
  • 4 total stops
  • 20h 15m total
  • Detroit to Seattle
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Alaska Airlines
  • Alaska Airlines
  • 11/11
  • Nonstop
  • 5h 03m total
  • Detroit to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Detroit Metropolitan Wayne County to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Detroit Metropolitan Wayne County to Seattle/Tacoma Intl.
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Find flight deals from Detroit to Seattle

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 11 September 2025.

Fri 14/115:25 p.m.DTW - SEA
2 stops10h 10mSouthwest
Tue 18/119:35 a.m.SEA - DTW
2 stops10h 05mSouthwest
Deal found 11/9C$ 378
Tue 4/111:15 p.m.DTW - SEA
2 stops12h 40mSouthwest
Wed 5/115:15 a.m.SEA - DTW
2 stops9h 35mSouthwest
Deal found 11/9C$ 382
Sat 4/108:35 a.m.DTW - SEA
Nonstop5h 01mDelta
Sat 11/106:00 a.m.SEA - DTW
Nonstop4h 20mDelta
Deal found 10/9C$ 384
Sat 11/106:00 a.m.DTW - SEA
1 stop11h 55mSouthwest
Tue 28/105:50 a.m.SEA - DTW
2 stops8h 55mSouthwest
Deal found 9/9C$ 394
Sat 25/104:25 p.m.DTW - SEA
Nonstop4h 58mDelta
Wed 29/101:35 p.m.SEA - DTW
1 stop5h 56mDelta
Deal found 11/9C$ 398
Thu 13/115:25 p.m.DTW - SEA
2 stops10h 10mSouthwest
Sun 16/116:35 a.m.SEA - DTW
1 stop10h 15mSouthwest
Deal found 11/9C$ 399
Sun 26/106:15 p.m.DTW - SEA
1 stop25h 58mSun Country Air
Thu 13/116:25 p.m.SEA - DTW
1 stop13h 39mSun Country Air
Deal found 10/9C$ 409
Fri 24/108:01 p.m.DTW - SEA
Nonstop5h 02mDelta
Mon 27/106:00 a.m.SEA - DTW
Nonstop4h 20mDelta
Deal found 11/9C$ 412
Tue 21/1012:45 p.m.DTW - SEA
2 stops10h 05mSouthwest
Wed 29/105:50 a.m.SEA - DTW
1 stop8h 00mSouthwest
Deal found 11/9C$ 416
Fri 7/112:45 p.m.DTW - SEA
1 stop12h 50mSouthwest
Mon 10/116:35 a.m.SEA - DTW
1 stop10h 15mSouthwest
Deal found 10/9C$ 417
Tue 14/102:13 p.m.DTW - SEA
1 stop7h 36mUnited Airlines
Sat 18/105:00 a.m.SEA - DTW
2 stops8h 51mUnited Airlines
Deal found 11/9C$ 418
Fri 10/106:00 a.m.DTW - SEA
1 stop6h 43mUnited Airlines
Wed 15/101:57 p.m.SEA - DTW
1 stop6h 44mUnited Airlines
Deal found 11/9C$ 423

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 11 September 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 14/11

5:25 p.m.-12:35 a.m.

2 stops10h 10m

Seattle/Tacoma Intl

Tue 18/11

9:35 a.m.-10:40 p.m.

2 stops10h 05m

C$ 378

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 4/10

8:35 a.m.-10:36 a.m.

Nonstop5h 01m

Seattle/Tacoma Intl

Sat 11/10

6:00 a.m.-1:20 p.m.

Nonstop4h 20m

C$ 384

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 14/10

8:01 p.m.-10:03 p.m.

Nonstop5h 02m

Seattle/Tacoma Intl

Sat 18/10

3:15 p.m.-10:28 p.m.

Nonstop4h 13m

C$ 384

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 11/10

8:01 p.m.-10:03 p.m.

Nonstop5h 02m

Seattle/Tacoma Intl

Tue 28/10

11:15 p.m.-6:28 a.m.

Nonstop4h 13m

C$ 384

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 5/11

4:51 p.m.-6:54 p.m.

Nonstop5h 03m

Seattle/Tacoma Intl

Sun 9/11

8:40 a.m.-3:55 p.m.

Nonstop4h 15m

C$ 398

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 8/10

8:25 a.m.-10:33 a.m.

Nonstop5h 08m

Seattle/Tacoma Intl

Wed 22/10

9:55 p.m.-9:25 a.m.

1 stop8h 30m

C$ 398

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 4/12

12:43 p.m.-2:45 p.m.

Nonstop5h 02m

Seattle/Tacoma Intl

Wed 10/12

11:10 p.m.-6:33 a.m.

Nonstop4h 23m

C$ 398

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 14/11

12:43 p.m.-2:45 p.m.

Nonstop5h 02m

Seattle/Tacoma Intl

Tue 18/11

11:10 p.m.-6:29 a.m.

Nonstop4h 19m

C$ 398

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 21/10

8:01 p.m.-10:03 p.m.

Nonstop5h 02m

Seattle/Tacoma Intl

Wed 12/11

7:20 a.m.-6:24 p.m.

1 stop8h 04m

C$ 398

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 11/11

4:51 p.m.-6:54 p.m.

Nonstop5h 03m

C$ 220

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

Showing 1-10 of 19 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 29 August 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 24 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, January is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Seattle (average of C$ 262). Flying from Detroit Metropolitan Wayne County Airport to Seattle in December is currently the most expensive (average of C$ 353). 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 11 September 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 7 September 2025.

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

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 11 September 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
10,000 reviews
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,960 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,723 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Spirit Airlines
6.3
Okay
8,023 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 4 airlines.

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

    Southwest and Delta can get you from Detroit Metropolitan Wayne County Airport to Seattle in just under 4h 56m. Your travel time can differ by up to 5h 14m. 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$ 178 on this airline. Additional options worth looking into are Spirit Airlines and Alaska Airlines, starting at C$ 255 and C$ 356 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 Korean Air (95%), Aeromexico (88%) or LATAM Airlines (88%) 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$ 589, 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$ 384 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, January is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Seattle (average of C$ 262). Flying from Detroit Metropolitan Wayne County Airport to Seattle in December is currently the most expensive (average of C$ 353). 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
Tacoma
Bothell
Cashmere
Renton
Olympia
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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 178AverageC$ 471FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Spirit AirlinesCheapestC$ 255AverageC$ 309FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Alaska AirlinesCheapestC$ 356AverageC$ 543FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Hawaiian AirlinesCheapestC$ 370AverageC$ 541FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights

Fly with Cheapflights

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

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

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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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