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Cheap flights from Detroit Metropolitan Wayne County Airport to Seattle from C$ 191

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 30/6. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — SEA
4 May — 11 May1
1 adult

Cheapflights Tip: The best prices from Detroit Metropolitan Wayne County to Seattle/Tacoma Intl are usually found in February or April, booked 77 days in advance, depart on a Tuesday or Friday 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 29 April 2025.

Round-trip from

C$ 381

One-way from

C$ 191

Popular in

July

Cheapest in

February

Average price

C$ 453

Good round-trip deal

C$ 556 or less

Good one-way deal

C$ 459 or less
Sun Country Air
  • Sun Country Air
  • 31/8-3/9
  • 2 total stops
  • 23h 55m total
  • Detroit to Seattle
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Sun Country Air
  • Sun Country Air
  • 30/6
  • 1 total stop
  • 7h 33m total
  • Detroit to Seattle
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Highest demand for flights based on searches. 11% potential increase in price (C$ 89 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
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Average for round-trip flights in April 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 29 April 2025.

Sun 31/87:00 p.m.DTW - SEA
1 stop6h 43mSun Country Air
Wed 3/91:52 p.m.SEA - DTW
1 stop17h 12mSun Country Air
Deal found 29/4C$ 381
Wed 1/1012:15 p.m.DTW - SEA
1 stop12h 57mJetBlue
Tue 7/1011:45 p.m.SEA - DTW
1 stop8h 45mJetBlue
Deal found 29/4C$ 406
Sat 26/72:10 p.m.DTW - SEA
1 stop7h 48mUnited Airlines
Mon 28/712:20 a.m.SEA - DTW
1 stop6h 46mUnited Airlines
Deal found 29/4C$ 428
Sat 19/73:06 p.m.DTW - SEA
1 stop8h 40mAmerican Airlines
Sat 26/76:18 a.m.SEA - DTW
1 stop7h 19mAmerican Airlines
Deal found 29/4C$ 433
Sat 31/58:25 p.m.DTW - SEA
Nonstop4h 58mDelta
Sat 7/66:00 a.m.SEA - DTW
Nonstop4h 20mDelta
Deal found 29/4C$ 439
Fri 30/54:53 p.m.DTW - SEA
Nonstop5h 00mAlaska Airlines
Wed 4/69:45 p.m.SEA - DTW
Nonstop4h 29mAlaska Airlines
Deal found 29/4C$ 466
Fri 16/59:22 a.m.DTW - SEA
1 stop8h 03mSpirit Airlines
Mon 19/53:20 p.m.SEA - DTW
1 stop11h 03mSpirit Airlines
Deal found 28/4C$ 472
Fri 16/59:22 a.m.DTW - SEA
1 stop8h 03mMultiple Airlines
Mon 19/59:45 p.m.SEA - DTW
Nonstop4h 29mMultiple Airlines
Deal found 28/4C$ 516
Sat 26/72:55 p.m.DTW - SEA
2 stops12h 10mSouthwest
Tue 5/85:15 a.m.SEA - DTW
2 stops10h 10mSouthwest
Deal found 29/4C$ 558
Thu 26/67:00 a.m.DTW - SEA
Nonstop4h 57mHawaiian Airlines
Sat 5/78:30 a.m.SEA - DTW
Nonstop4h 20mHawaiian Airlines
Deal found 29/4C$ 619

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 29 April 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

Sun 31/8

7:00 p.m.-10:43 p.m.

1 stop6h 43m

Seattle/Tacoma Intl

Wed 3/9

1:52 p.m.-10:04 a.m.

1 stop17h 12m

C$ 381

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 1/10

12:15 p.m.-10:12 p.m.

1 stop12h 57m

Seattle/Tacoma Intl

Tue 7/10

11:45 p.m.-11:30 a.m.

1 stop8h 45m

C$ 406

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 26/7

2:10 p.m.-6:58 p.m.

1 stop7h 48m

Seattle/Tacoma Intl

Mon 28/7

12:20 a.m.-10:06 a.m.

1 stop6h 46m

C$ 428

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 19/7

3:06 p.m.-8:46 p.m.

1 stop8h 40m

Seattle/Tacoma Intl

Sat 26/7

6:18 a.m.-4:37 p.m.

1 stop7h 19m

C$ 433

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 31/5

8:25 p.m.-10:23 p.m.

Nonstop4h 58m

Seattle/Tacoma Intl

Sat 7/6

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

Nonstop4h 20m

C$ 439

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 30/5

4:53 p.m.-6:53 p.m.

Nonstop5h 00m

Seattle/Tacoma Intl

Wed 4/6

9:45 p.m.-5:14 a.m.

Nonstop4h 29m

C$ 466

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 16/5

9:22 a.m.-2:25 p.m.

1 stop8h 03m

Seattle/Tacoma Intl

Mon 19/5

3:20 p.m.-5:23 a.m.

1 stop11h 03m

C$ 472

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 16/5

9:22 a.m.-2:25 p.m.

1 stop8h 03m

Seattle/Tacoma Intl

Mon 19/5

9:45 p.m.-5:14 a.m.

Nonstop4h 29m

C$ 516

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 26/7

2:55 p.m.-12:05 a.m.

2 stops12h 10m

Seattle/Tacoma Intl

Tue 5/8

5:15 a.m.-6:25 p.m.

2 stops10h 10m

C$ 558

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 26/6

7:00 a.m.-8:57 a.m.

Nonstop4h 57m

Seattle/Tacoma Intl

Sat 5/7

8:30 a.m.-3:50 p.m.

Nonstop4h 20m

C$ 619

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

Showing 1-10 of 15 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 25 April 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 77 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$ 261). 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 29 April 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 61% 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 30 March 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. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Detroit Metropolitan Wayne County Airport to Seattle

Explore weekly flight availability from Detroit to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 April 2025.

The most flights from DTW to SEA are scheduled on a Monday (16 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 29 April 2025.
To help decide which airline to fly from Detroit to Seattle, see what other customers have to say about Alaska Airlines, Southwest and Delta. 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
9,961 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,295 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,405 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews
Check prices

Boarding

8.2

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 12 flights from Detroit Metropolitan Wayne County to Seattle per day from 4 airlines.

  • 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 Sun Country Air. Our recent data shows that you can find tickets from as low as C$ 381 on this airline. Additional options worth looking into are JetBlue and United Airlines, starting at C$ 406 and C$ 428 round-trip. Users have found that Sun Country Air is 26% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Detroit Metropolitan Wayne County Airport to Seattle one-way?

    The cheapest airline one-way is Sun Country Air, with whom users have recently found tickets for as low as C$ 191. However, be on the lookout for offers from Spirit Airlines and United Airlines, as they are both options that can get you from Detroit Metropolitan Wayne County Airport to Seattle for a low price.

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

    Consider Korean Air (92%), Hawaiian Airlines (92%) or American Airlines (92%) 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$ 607, our data shows the cheapest flight currently is C$ 268. When looking at the most popular route, (Detroit Metropolitan Wayne County - Seattle/Tacoma Intl), you can expect to pay C$ 397 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$ 261). 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 Detroit Metropolitan Wayne County Airport?

Book flights to Detroit Metropolitan Wayne County Airport if you plan to visit one of these locations
Tukwila
SeaTac
Tacoma
Marysville
Bothell
Olympia
Lynnwood
Leavenworth

Browse thousands of different options on Cheapflights for your next trip

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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 29 April 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 178AverageC$ 255FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapestC$ 205AverageC$ 465FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Spirit AirlinesCheapestC$ 254AverageC$ 287FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Alaska AirlinesCheapestC$ 348AverageC$ 517FlexibilityNo 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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