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$164+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — SEA
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 February or April, booked 77 days in advance, depart on a Wednesday 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 junio 12, 2025.

Round-trip from

$279
(Cheapflightsfares)

One-way from

$164
(Mytrip)

Popular in

July

Cheapest in

February

Average price

$412

Good round-trip deal

$379 or less

Good one-way deal

$201 or less
From Detroit Metropolitan Wayne County to Seattle/Tacoma Intl
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One-way flight from Detroit Metropolitan Wayne County to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 11% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/159:59 amDTW - SEA
1 stop9h 26mSpirit Airlines
sáb. 7/265:30 pmSEA - DTW
1 stop10h 34mSpirit Airlines
Deal found 6/11$279
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/410:05 amDTW - SEA
1 stop15h 42mMultiple Airlines
mié. 7/165:30 pmSEA - DTW
1 stop10h 34mMultiple Airlines
Deal found 6/10$280
This Frontier deal was found by Cheapflights users on 6/11. 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.
vie. 8/1511:44 amDTW - SEA
1 stop10h 15mFrontier
sáb. 8/2312:40 pmSEA - DTW
1 stop9h 04mFrontier
Deal found 6/11$285
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/2612:16 pmDTW - SEA
1 stop12h 54mJetBlue
dom. 10/511:40 pmSEA - DTW
1 stop8h 50mJetBlue
Deal found 6/10$293
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/236:30 amDTW - SEA
Nonstop4h 56mHawaiian Airlines
sáb. 9/278:30 amSEA - DTW
Nonstop4h 25mHawaiian Airlines
Deal found 6/10$297
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/83:12 pmDTW - SEA
1 stop7h 50mAmerican Airlines
mié. 8/2012:45 amSEA - DTW
1 stop10h 57mAmerican Airlines
Deal found 6/11$299
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/187:30 pmDTW - SEA
1 stop7h 35mSouthwest
jue. 8/2111:10 amSEA - DTW
2 stops8h 40mSouthwest
Deal found 6/11$302
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/165:40 pmDTW - SEA
1 stop7h 35mDelta
mié. 8/204:45 pmSEA - DTW
Nonstop4h 16mDelta
Deal found 6/10$307
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/206:30 amDTW - SEA
Nonstop4h 56mAlaska Airlines
mié. 8/209:41 pmSEA - DTW
Nonstop4h 24mAlaska Airlines
Deal found 6/10$317
This Sun Country Air deal was found by Cheapflights users on 6/10. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/157:05 pmDTW - SEA
1 stop6h 45mSun Country Air
jue. 8/2111:55 pmSEA - DTW
1 stop7h 53mSun Country Air
Deal found 6/10$320
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/197:48 pmDTW - SEA
1 stop8h 08mUnited Airlines
jue. 7/2412:20 amSEA - DTW
1 stop6h 31mUnited Airlines
Deal found 6/11$346

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 junio 12, 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

mar. 7/15

9:59 am-4:25 pm

1 stop9h 26m

Seattle/Tacoma Intl

sáb. 7/26

5:30 pm-7:04 am

1 stop10h 34m

$279

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

vie. 7/4

10:05 am-10:47 pm

1 stop15h 42m

Seattle/Tacoma Intl

mié. 7/16

5:30 pm-7:04 am

1 stop10h 34m

$280

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

vie. 8/15

11:44 am-6:59 pm

1 stop10h 15m

Seattle/Tacoma Intl

sáb. 8/23

12:40 pm-12:44 am

1 stop9h 04m

$285

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

vie. 7/4

10:05 am-10:47 pm

1 stop15h 42m

Seattle/Tacoma Intl

sáb. 7/12

11:59 pm-9:11 am

1 stop6h 12m

$290

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

sáb. 8/16

9:30 pm-11:32 pm

Nonstop5h 02m

Seattle/Tacoma Intl

mié. 8/20

6:00 am-1:12 pm

Nonstop4h 12m

$297

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

vie. 8/8

3:12 pm-8:02 pm

1 stop7h 50m

Seattle/Tacoma Intl

mié. 8/20

12:45 am-2:42 pm

1 stop10h 57m

$299

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

lun. 8/18

7:30 pm-12:05 am

1 stop7h 35m

Seattle/Tacoma Intl

jue. 8/21

11:10 am-10:50 pm

2 stops8h 40m

$302

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

mié. 8/20

6:30 am-8:26 am

Nonstop4h 56m

Seattle/Tacoma Intl

dom. 8/24

9:41 pm-5:05 am

Nonstop4h 24m

$317

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

sáb. 7/19

7:48 pm-12:56 am

1 stop8h 08m

Seattle/Tacoma Intl

jue. 7/24

12:20 am-9:51 am

1 stop6h 31m

$346

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

sáb. 7/5

7:00 am-8:57 am

Nonstop4h 57m

Seattle/Tacoma Intl

jue. 7/10

9:45 pm-5:03 am

Nonstop4h 18m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 20 results
1
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The best insider tips for Detroit Metropolitan Wayne County Airport to Seattle flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Detroit Metropolitan Wayne County Airport to Seattle trip
Airports
DTW

At DTW, security lines are typically short, with waits under 15 minutes even at Evans Terminal.

Read more about DTWby Brandon Schultz
SEA

Use the Link light rail from SEA to downtown Seattle for a cost-effective, 40-minute journey.

Read more about SEAby Brandon Schultz
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on DTW and SEA

Brandon Schultz

Brandon Schultz

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

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 June 9, 2025.

Booking 77 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 $238). Flying from Detroit Metropolitan Wayne County Airport to Seattle in July is currently the most expensive (average of $391). 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 junio 12, 2025.

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 afternoon. If you’re flexible enough to do this you can expect to save up to 34% on your trip compared to booking a flight in the morning.

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 June 8, 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. Sunday 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 junio 12, 2025.

The most flights from DTW to SEA are scheduled on a Wednesday (19 on average). You will have fewer flight options on Saturday, 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 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

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 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 junio 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Detroit to Seattle have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

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
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

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 wish to fly to Seattle from Detroit, then you need to book flights from Detroit Metropolitan Wayne County to Seattle/Tacoma Intl. There are 12 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 8 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.

  • 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 Spirit Airlines. Our recent data shows that you can find tickets from as low as $279 on this airline. Additional options worth looking into are Frontier and JetBlue, starting at $285 and $293 round-trip. These flights start at 26% 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 Spirit Airlines, with whom users have recently found tickets for as low as $168. However, be on the lookout for offers from Alaska 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?

    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: Finnair (95%), Korean Air (95%), Delta( 92%).

  • 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 $933, our data shows the cheapest flight currently is $168. When looking at the most popular route, (Detroit Metropolitan Wayne County - Seattle/Tacoma Intl), you can expect to pay $217 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 $238). Flying from Detroit Metropolitan Wayne County Airport to Seattle in July is currently the most expensive (average of $391). 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 Detroit Metropolitan Wayne County Airport?

Book flights to Detroit Metropolitan Wayne County Airport if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

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
Detroit to Spokane flights
Detroit to Pasco flights
Detroit to Walla Walla flights
Detroit to Wenatchee flights

Top 8 airlines flying from Detroit to Seattle

Discover the top 8 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$123Average$310FlexibilityNo cancel feeOn-time83%
FrontierCheapest$128Average$195FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$145Average$271FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$178Average$368FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$200Average$446FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$256Average$395FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$256Average$405FlexibilityNo cancel feeOn-time75%
DeltaCheapest$257Average$405FlexibilityNo cancel feeOn-timeN/A

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