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Cheap flights from Detroit Metropolitan Wayne County Airport to Seattle from C$ 188

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 16/11. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — SEA
3 Aug — 10 Aug1
1 adult

Cheapflights Tip: The best prices from Detroit Metropolitan Wayne County to Seattle/Tacoma Intl are usually found in February or April, booked 69 days in advance, depart on a Tuesday or Thursday 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 July 2025.

Round-trip from

C$ 351

One-way from

C$ 188

Popular in

July

Cheapest in

February

Average price

C$ 634

Good round-trip deal

C$ 418 or less
Frontier
  • Frontier
  • 23/8-30/8
  • 2 total stops
  • 16h 09m total
  • Detroit to Seattle
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Frontier
  • Frontier
  • 16/11
  • 1 total stop
  • 6h 59m total
  • Detroit to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 98 potential increase over avg. RT price).
Search Deals
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 July 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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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 July 2025.

Sat 23/87:40 a.m.DTW - SEA
1 stop7h 05mFrontier
Sat 30/812:40 p.m.SEA - DTW
1 stop9h 04mFrontier
Deal found 28/7C$ 351
Wed 27/86:30 a.m.DTW - SEA
Nonstop4h 56mAlaska Airlines
Sat 6/97:55 a.m.SEA - DTW
Nonstop4h 30mAlaska Airlines
Deal found 29/7C$ 353
Sun 2/116:51 p.m.DTW - SEA
1 stop25h 24mSun Country Air
Sun 9/116:30 p.m.SEA - DTW
1 stop12h 33mSun Country Air
Deal found 27/7C$ 357
Sat 23/84:00 p.m.DTW - SEA
1 stop10h 41mAmerican Airlines
Fri 29/812:46 a.m.SEA - DTW
1 stop10h 56mAmerican Airlines
Deal found 28/7C$ 359
Thu 2/104:51 p.m.DTW - SEA
Nonstop4h 49mHawaiian Airlines
Wed 8/108:50 a.m.SEA - DTW
Nonstop4h 24mHawaiian Airlines
Deal found 29/7C$ 366
Mon 6/1012:16 p.m.DTW - SEA
1 stop12h 54mJetBlue
Sat 18/1011:40 p.m.SEA - DTW
1 stop8h 50mJetBlue
Deal found 26/7C$ 402
Sat 4/108:20 p.m.DTW - SEA
Nonstop4h 56mDelta
Sat 11/1011:15 p.m.SEA - DTW
Nonstop4h 13mDelta
Deal found 27/7C$ 406
Thu 28/86:00 a.m.DTW - SEA
1 stop6h 43mUnited Airlines
Thu 4/911:54 p.m.SEA - DTW
1 stop6h 59mUnited Airlines
Deal found 28/7C$ 429
Tue 19/81:45 p.m.DTW - SEA
1 stop6h 47mMultiple Airlines
Mon 25/89:41 p.m.SEA - DTW
Nonstop4h 24mMultiple Airlines
Deal found 28/7C$ 434
Sat 6/93:55 p.m.DTW - SEA
2 stops9h 35mSouthwest
Sat 13/95:00 a.m.SEA - DTW
1 stop6h 30mSouthwest
Deal found 29/7C$ 442

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 July 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

Sat 23/8

7:40 a.m.-11:45 a.m.

1 stop7h 05m

Seattle/Tacoma Intl

Sat 30/8

12:40 p.m.-12:44 a.m.

1 stop9h 04m

C$ 351

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 1/10

6:30 a.m.-8:26 a.m.

Nonstop4h 56m

Seattle/Tacoma Intl

Tue 7/10

8:50 a.m.-4:14 p.m.

Nonstop4h 24m

C$ 353

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sun 2/11

6:51 p.m.-5:15 p.m.

1 stop25h 24m

Seattle/Tacoma Intl

Sun 9/11

6:30 p.m.-10:03 a.m.

1 stop12h 33m

C$ 357

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 23/8

4:00 p.m.-11:41 p.m.

1 stop10h 41m

Seattle/Tacoma Intl

Fri 29/8

12:46 a.m.-2:42 p.m.

1 stop10h 56m

C$ 359

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 4/10

4:00 p.m.-9:53 p.m.

1 stop8h 53m

Seattle/Tacoma Intl

Sat 11/10

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

Nonstop4h 13m

C$ 366

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Mon 6/10

12:16 p.m.-10:10 p.m.

1 stop12h 54m

Seattle/Tacoma Intl

Sat 18/10

11:40 p.m.-11:30 a.m.

1 stop8h 50m

C$ 402

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 14/11

4:15 p.m.-11:10 p.m.

2 stops9h 55m

Seattle/Tacoma Intl

Mon 17/11

7:00 a.m.-4:45 p.m.

1 stop6h 45m

C$ 414

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 3/9

6:30 a.m.-8:26 a.m.

Nonstop4h 56m

Seattle/Tacoma Intl

Mon 22/9

9:41 p.m.-5:07 a.m.

Nonstop4h 26m

C$ 416

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 6/9

3:55 p.m.-9:50 p.m.

2 stops8h 55m

Seattle/Tacoma Intl

Mon 8/9

9:10 p.m.-1:55 p.m.

1 stop13h 45m

C$ 423

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 19/8

1:45 p.m.-5:32 p.m.

1 stop6h 47m

Seattle/Tacoma Intl

Mon 25/8

9:41 p.m.-5:05 a.m.

Nonstop4h 24m

C$ 434

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

Showing 1-10 of 20 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 July 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 29 July 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 27 July 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.

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 July 2025.

The most flights from DTW to SEA are scheduled on a Monday (20 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (12 on average).

What’s the top layover airport for flights from Detroit Metropolitan Wayne County Airport to Seattle?

Share of one-stop round-trip flights from Detroit Metropolitan Wayne County Airport to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.

Los Angeles (LAX) – chosen by Cheapflights users on 30% of one-stop itineraries from Detroit Metropolitan Wayne County Airport to Seattle on Cheapflights.

What’s the cheapest layover airport for flights from Detroit Metropolitan Wayne County Airport to Seattle?

Average round-trip fare for 1-stop flights from Detroit Metropolitan Wayne County Airport to Seattle, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Los Angeles (LAX) is the most affordable 1-stop option, with an average round-trip price of C$ 279.

What’s the fastest layover option from Detroit Metropolitan Wayne County Airport to Seattle?

Shortest average travel time for 1-stop one-way flights from Detroit Metropolitan Wayne County Airport to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 3h 54m.

Which airport typically offers the quickest layover for flights from Detroit Metropolitan Wayne County Airport to Seattle?

Average layover duration for 1-stop one-way flights from Detroit Metropolitan Wayne County Airport to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 1h 27m.

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 July 2025.
Check out reviews from past customers who have flown with Alaska Airlines,Southwest, andDelta 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

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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 52m for a nonstop flight. There are 15 flights from Detroit Metropolitan Wayne County to Seattle per day from 5 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 Frontier. Our recent data shows that you can find tickets from as low as C$ 351 on this airline. Additional options worth looking into are Alaska Airlines and Sun Country Air, starting at C$ 353 and C$ 357 round-trip. Users have found that Frontier is 32% 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 Frontier, with whom users have recently found tickets for as low as C$ 188. However, be on the lookout for offers from American Airlines and Sun Country Air, 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%), Aeromexico (87%) or LATAM Airlines (87%) 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$ 501, our data shows the cheapest flight currently is C$ 270. When looking at the most popular route, (Detroit Metropolitan Wayne County - Seattle/Tacoma Intl), you can expect to pay C$ 347 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
Marysville
Bothell
Renton
Olympia
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 5 airlines flying from Detroit to Seattle

Discover the top 5 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 July 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 140AverageC$ 280FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapestC$ 176AverageC$ 442FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Spirit AirlinesCheapestC$ 252AverageC$ 305FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Alaska AirlinesCheapestC$ 352AverageC$ 536FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Hawaiian AirlinesCheapestC$ 382AverageC$ 535FlexibilityNo cancel feeOn-time85%
Search Hawaiian 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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