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$223+ Cheap flights from Detroit Metropolitan Wayne County Airport to Seattle (DTW - SEA)

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — SEA
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
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Cheapflights Tip: The best prices from Detroit Metropolitan Wayne County to Seattle/Tacoma Intl are usually found in January or February, booked 83 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap 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 July 30, 2026.

This Frontier deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:55 am
DTW
-
SEA
1 stop7h 25m
Frontier
Tue 8/257:06 pm
SEA
-
DTW
1 stop13h 19m
Frontier
Deal found 7/27$333
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:20 pm
DTW
-
SEA
1 stop23h 59m
Frontier
Sun 8/237:06 pm
SEA
-
DTW
1 stop13h 19m
Frontier
Deal found 7/27$334
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:20 pm
DTW
-
SEA
1 stop23h 59m
Frontier
Fri 8/217:06 pm
SEA
-
DTW
2 stops11h 14m
Frontier
Deal found 7/27$335
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:55 am
DTW
-
SEA
1 stop7h 25m
Frontier
Mon 8/319:29 pm
SEA
-
DTW
2 stops24h 35m
Frontier
Deal found 7/27$336
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:08 am
DTW
-
SEA
1 stop11h 00m
Frontier
Sat 9/268:15 pm
SEA
-
DTW
2 stops12h 23m
Frontier
Deal found 7/30$337
This Expedia deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:40 am
DTW
-
SEA
1 stop28h 39m
Frontier
Fri 8/281:35 pm
SEA
-
DTW
1 stop18h 50m
Frontier
Deal found 7/29$338
This Kiwi.com deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:55 am
DTW
-
SEA
1 stop8h 27m
Frontier
Fri 9/47:06 pm
SEA
-
DTW
1 stop13h 19m
Frontier
Deal found 7/29$340
This Kiwi.com deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/187:55 am
DTW
-
SEA
1 stop8h 27m
Frontier
Thu 8/202:37 pm
SEA
-
DTW
2 stops13h 53m
Frontier
Deal found 7/27$341
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:08 am
DTW
-
SEA
1 stop11h 00m
Frontier
Tue 9/294:27 pm
SEA
-
DTW
1 stop20h 01m
Frontier
Deal found 7/26$342
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:08 am
DTW
-
SEA
1 stop11h 00m
Frontier
Tue 9/298:15 pm
SEA
-
DTW
2 stops12h 36m
Frontier
Deal found 7/30$343
This Kiwi.com deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:55 am
DTW
-
SEA
1 stop28h 24m
Frontier
Wed 9/28:48 pm
SEA
-
DTW
2 stops25h 16m
Frontier
Deal found 7/26$344

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 July 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$333
(Frontier)

One-way from

$223
(United Airlines)

Popular in

July

Cheapest in

January

Average price

$494

Good round-trip deal

$473 or less

Good one-way deal

$288 or less
Provider with most accurate pricing for Detroit Metropolitan Wayne County-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit Metropolitan Wayne County-Seattle/Tacoma Intl flights.
Search Deals
From Detroit Metropolitan Wayne County to Seattle/Tacoma Intl
Search Deals
One-way flight from Detroit Metropolitan Wayne County to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 2,558,603 searches. Data last updated July 30, 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

Sat 11/7

5:43 pm-7:49 pm

Nonstop5h 06m

Seattle/Tacoma Intl

Sat 11/14

9:22 am-4:47 pm

Nonstop4h 25m

$357

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sun 8/23

5:25 am-2:24 pm

2 stops11h 59m

Seattle/Tacoma Intl

Sat 8/29

9:05 am-11:54 pm

2 stops11h 49m

$425
Quickest round-trip

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Mon 9/21

8:10 pm-10:05 pm

Nonstop4h 55m

Seattle/Tacoma Intl

Wed 9/30

6:00 am-1:20 pm

Nonstop4h 20m

$427

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 9/29

7:01 am-8:54 am

Nonstop4h 53m

Seattle/Tacoma Intl

Wed 10/7

9:31 am-5:01 pm

Nonstop4h 30m

$427

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 8/22

7:01 am-8:54 am

Nonstop4h 53m

Seattle/Tacoma Intl

Wed 8/26

9:59 pm-5:22 am

Nonstop4h 23m

$427

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 9/4

5:41 pm-7:36 pm

Nonstop4h 55m

Seattle/Tacoma Intl

Tue 9/8

9:59 pm-5:22 am

Nonstop4h 23m

$427

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sun 8/30

7:01 am-8:54 am

Nonstop4h 53m

Seattle/Tacoma Intl

Mon 9/7

9:59 pm-5:22 am

Nonstop4h 23m

$429

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 11/26

8:40 am-1:00 pm

1 stop7h 20m

Seattle/Tacoma Intl

Tue 12/1

6:15 am-5:20 pm

1 stop8h 05m

$437

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 12/2

8:25 am-2:47 pm

1 stop9h 22m

Seattle/Tacoma Intl

Sat 12/5

3:00 pm-10:08 pm

Nonstop4h 08m

$437

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 10/15

7:57 pm-10:05 pm

Nonstop5h 08m

Seattle/Tacoma Intl

Sun 10/18

11:59 pm-10:27 am

1 stop7h 28m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Detroit to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to Seattle in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Detroit Metropolitan Wayne County Airport-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit Metropolitan Wayne County Airport-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit Metropolitan Wayne County Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit Metropolitan Wayne County Airport-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit Metropolitan Wayne County Airport-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from Detroit Metropolitan Wayne County Airport to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $288). Flying from Detroit Metropolitan Wayne County Airport to Seattle in July is currently the most expensive (average of $494). 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 July 30, 2026.

A simple way to save on the total cost of your ticket is to fly from Detroit Metropolitan Wayne County Airport to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 40% on your trip compared to booking a flight at noon.

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 July 25, 2026.

Travelers seeking maximum savings on their Detroit Metropolitan Wayne County Airport to Seattle flight should consider departing on Saturday at noon when fares are most often at their lowest. Friday at noon 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?

Airfare is below average for this route at the moment.

Detroit Metropolitan Wayne County Airport to Seattle flights typically cost between $348 and $564 in August.
The cheapest round-trip price found within the last 5 days was $333 on Frontier (Aug 21-Aug 25).

The best insider tips for Detroit Metropolitan Wayne County Airport to Seattle flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Detroit Metropolitan Wayne County Airport to Seattle trip
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on DTW and SEA

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

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 July 30, 2026.
Read through reviews of airlines operating flights from Detroit Metropolitan Wayne County Airport to Seattle, such as Alaska Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,734 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.8

Food

7.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Alaska Airlines
7.9
Good
12,734 reviews
Alaska Airlines
7.9
Good
12,734 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.8

Food

7.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Delta
7.8
Good
8,490 reviews
Alaska Airlines
7.9
Good
12,734 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.8

Food

7.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
United Airlines
7.4
Good
10,046 reviews
Alaska Airlines
7.9
Good
12,734 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.8

Food

7.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
American Airlines
7.1
Good
11,841 reviews
Alaska Airlines
7.9
Good
12,734 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.8

Food

7.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Frontier
5.6
Fair
2,746 reviews
Alaska Airlines
7.9
Good
12,734 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Comfort

7.8

Food

7.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

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 wish to fly to Seattle from Detroit, then you need to book flights from Detroit Metropolitan Wayne County to Seattle/Tacoma Intl. There are 11 flights from Detroit Metropolitan Wayne County (DTW) to Seattle/Tacoma Intl (SEA) per day to choose from. Flights to Seattle from Detroit Metropolitan Wayne County are available from 7 different airlines, which means you should have some options if you want to compare airfare deals. 4h 49m is how long a nonstop flight from Detroit to Seattle/Tacoma Intl typically takes.

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

    For as low as $427, Alaska Airlines can have you in Seattle from Detroit Metropolitan Wayne County Airport in 4h 55m. Detroit Metropolitan Wayne County Airport and Seattle are separated by a distance of 1920 mi. This flight may include one or multiple 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 Hawaiian Airlines. Our recent data shows that you can find tickets from as low as $168 on this airline. Additional options worth looking into are Frontier and American Airlines, starting at $190 and $196 round-trip. These flights start at 57% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $75. However, be on the lookout for offers from Frontier 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?

    Before booking your flight to Seattle from Detroit Metropolitan Wayne County Airport, check out the most reliable airlines to get you to your destination on time: WestJet (100%), KLM (87%), Alaska Airlines( 86%).

  • 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 $919, our data shows the cheapest flight currently is $233. When looking at the most popular route, (Detroit Metropolitan Wayne County - Seattle/Tacoma Intl), you can expect to pay $283 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 $288). Flying from Detroit Metropolitan Wayne County Airport to Seattle in July is currently the most expensive (average of $494). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Edmonds
Tukwila
Snoqualmie
Tumwater
Centralia
Puyallup
Kent
Ellensburg
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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.
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Detroit to Spokane flights
Detroit to Pasco flights

Top 7 airlines flying from Detroit to Seattle

Discover the top 7 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 2,558,603 searches. Data last updated July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$168Average$358FlexibilityNo cancel feeOn-time85%
FrontierCheapest$190Average$293FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$196Average$517FlexibilityNo cancel feeOn-time71%
DeltaCheapest$211Average$457FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$212Average$416FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$222Average$427FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$240Average$347FlexibilityNo cancel feeOn-time69%

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