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$59+ Cheap flights from Detroit to Seattle (DTT - 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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SEA
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Find cheap flights from Detroit to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Detroit All airports to Seattle/Tacoma Intl are usually found in January or February, booked 57 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 January 21, 2026.

This Delta deal was found by Cheapflights users on 1/20. 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.
Sun 3/18:05 pm
DTW
-
SEA
Nonstop5h 00m
Delta
Thu 3/56:00 am
SEA
-
DTW
Nonstop4h 11m
Delta
Deal found 1/20$199
This Frontier deal was found by Cheapflights users on 1/20. 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.
Sat 2/145:21 pm
DTW
-
SEA
1 stop20h 34m
Frontier
Sat 2/211:16 pm
SEA
-
DTW
1 stop7h 39m
Frontier
Deal found 1/20$202
This Kiwi.com deal was found by Cheapflights users on 1/21. 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.
Sat 2/284:52 pm
DTW
-
SEA
2 stops19h 06m
Multiple Airlines
Thu 3/51:16 pm
SEA
-
DTW
1 stop7h 39m
Multiple Airlines
Deal found 1/21$204
This WAYA deal was found by Cheapflights users on 1/20. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:22 pm
DTW
-
SEA
Nonstop5h 13m
Multiple Airlines
Fri 2/2012:00 pm
SEA
-
DTW
1 stop8h 55m
Multiple Airlines
Deal found 1/20$206
This Delta deal was found by Cheapflights users on 1/20. 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.
Sat 2/144:39 pm
DTW
-
SEA
1 stop7h 07m
Delta
Tue 2/176:00 am
SEA
-
DTW
Nonstop4h 11m
Delta
Deal found 1/20$207
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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.
Fri 2/205:22 pm
DTW
-
SEA
Nonstop5h 13m
Alaska Airlines
Tue 2/249:12 am
SEA
-
DTW
Nonstop4h 14m
Alaska Airlines
Deal found 1/21$208
This Delta deal was found by Cheapflights users on 1/20. 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.
Sun 3/18:05 pm
DTW
-
SEA
Nonstop5h 00m
Delta
Wed 3/45:59 pm
SEA
-
DTW
1 stop8h 41m
Delta
Deal found 1/20$209
This Expedia deal was found by Cheapflights users on 1/20. 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.
Thu 2/196:00 am
DTW
-
SEA
1 stop9h 01m
Multiple Airlines
Sun 2/229:12 am
SEA
-
DTW
Nonstop4h 14m
Multiple Airlines
Deal found 1/20$210
This Kiwi.com deal was found by Cheapflights users on 1/20. 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.
Thu 2/196:00 am
DTW
-
SEA
1 stop9h 01m
Frontier
Thu 2/261:16 pm
SEA
-
DTW
2 stops17h 26m
Frontier
Deal found 1/20$212
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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.
Sat 2/145:22 pm
DTW
-
SEA
Nonstop5h 13m
Alaska Airlines
Tue 2/179:12 am
SEA
-
DTW
Nonstop4h 14m
Alaska Airlines
Deal found 1/21$213
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 3/12:35 pm
DTW
-
SEA
2 stops23h 44m
Multiple Airlines
Fri 3/612:24 pm
SEA
-
DTW
1 stop19h 35m
Multiple Airlines
Deal found 1/20$214
This Frontier deal was found by Cheapflights users on 1/20. 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.
Thu 2/196:00 am
DTW
-
SEA
1 stop9h 01m
Frontier
Fri 2/2712:00 pm
SEA
-
DTW
1 stop8h 55m
Frontier
Deal found 1/20$215

Find flight deals from Detroit to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) 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 January 21, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$199
(Delta)

One-way from

$59
(American Airlines)

Popular in

October

Cheapest in

January

Average price

$250

Good round-trip deal

$308 or less

Good one-way deal

$212 or less
Provider with most accurate pricing for Detroit (DTT)-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Seattle/Tacoma Intl flights.
Search Deals
From Detroit (DTT) to Seattle/Tacoma Intl
Search Deals
One-way flight from Detroit (DTT) to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Detroit (DTT) to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Detroit (DTT) 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 January 21, 2026.
Use the filters below to find and compare flights from Detroit 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 2/14

4:39 pm-8:46 pm

1 stop7h 07m

Seattle/Tacoma Intl

Sat 2/21

11:10 pm-6:29 am

Nonstop4h 19m

$207

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 2/14

4:39 pm-8:46 pm

1 stop7h 07m

Seattle/Tacoma Intl

Tue 2/17

6:00 am-1:11 pm

Nonstop4h 11m

$207

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 4/14

7:52 pm-9:49 pm

Nonstop4h 57m

Seattle/Tacoma Intl

Sat 4/18

1:30 pm-11:58 pm

1 stop7h 28m

$207

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Mon 3/9

8:15 pm-10:15 pm

Nonstop5h 00m

Seattle/Tacoma Intl

Fri 3/13

7:59 pm-6:54 am

1 stop7h 55m

$209

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sun 3/1

8:05 pm-10:05 pm

Nonstop5h 00m

Seattle/Tacoma Intl

Thu 3/5

1:38 pm-12:09 am

1 stop7h 31m

$209

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 3/10

8:25 am-2:39 pm

1 stop9h 14m

Seattle/Tacoma Intl

Sat 3/14

9:40 am-10:54 pm

1 stop10h 14m

$217

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 3/14

5:22 pm-7:35 pm

Nonstop5h 13m

Seattle/Tacoma Intl

Sat 3/21

8:35 am-3:56 pm

Nonstop4h 21m

$227

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Mon 4/6

8:15 pm-10:15 pm

Nonstop5h 00m

Seattle/Tacoma Intl

Thu 4/23

11:59 pm-8:43 am

1 stop5h 44m

$227

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 2/20

8:00 am-12:33 pm

1 stop7h 33m

Seattle/Tacoma Intl

Tue 2/24

5:59 pm-5:40 am

1 stop8h 41m

$227

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 3/25

5:46 pm-12:03 am

1 stop9h 17m

Seattle/Tacoma Intl

Sun 3/29

11:15 pm-6:27 am

Nonstop4h 12m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 21 results
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice 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-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Detroit-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Detroit-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-Seattle flights, Cheapflights users trust eDreams the most. eDreams 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-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 to Seattle

How far ahead should I book a flight from Detroit 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 January 16, 2026.

The price you pay for your flight from Detroit to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Detroit to Seattle?

Currently, April is the cheapest month in which you can book a flight from Detroit to Seattle (average of $167). Flying from Detroit to Seattle in August is currently the most expensive (average of $267). 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 DTT 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 January 21, 2026.

It’s optimal to fly from Detroit to Seattle at noon. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight in the morning.

Weekly flight availability from Detroit 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 January 21, 2026.

The most flights from DTT to SEA are scheduled on a Wednesday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

How much does it cost to fly round-trip from Detroit 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 January 21, 2026.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Detroit to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,775 reviews

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
11,775 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Delta
7.9
Good
8,089 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Hawaiian Airlines
7.8
Good
2,829 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
American Airlines
7.2
Good
11,174 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Frontier
5.7
Fair
3,057 reviews
Alaska Airlines
8.0
Very good
11,775 reviews

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

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 All airports to Seattle/Tacoma Intl. There are 8 flights from All airports (DTT) to Seattle/Tacoma Intl (SEA) per day to choose from. Flights to Seattle from All airports are available from 9 different airlines, which means you should have some options if you want to compare airfare deals. 4h 55m is how long a nonstop flight from Detroit to Seattle/Tacoma Intl typically takes.

  • How long is the flight from Detroit to Seattle?

    Departing from Detroit to Seattle will take you 7h 07m. There are 1920 mi between Detroit and Seattle.

  • What are the cheapest airlines flying from Detroit to Seattle round-trip?

    Frontier, at $110, was found to be the cheapest airline from Detroit to Seattle.Alternate airlines to your destination round-trip include Spirit Airlines and Sun Country Air. These flights start at 69% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Detroit to Seattle one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $75. Users have also found prices from $92 and $102 on Southwest and Frontier, respectively.

  • What are the most reliable airlines from Detroit to Seattle?

    No one likes to see their flight delayed. When booking a flight from Detroit to Seattle consider choosing Air Tahiti Nui (75%), American Airlines (68%) or Alaska Airlines (68%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Detroit to Seattle?

    Looking at all options, your cheapest flight can be booked for $167. While the most popular route (Detroit Metropolitan Wayne County - Seattle/Tacoma Intl) can be booked for $160 on average, our data indicates $785 when flying from Detroit to Seattle.

  • 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 to Seattle?

    Currently, April is the cheapest month in which you can book a flight from Detroit to Seattle (average of $167). Flying from Detroit to Seattle in August is currently the most expensive (average of $267). 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
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

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.
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Top 9 airlines flying from Detroit to Seattle

Discover the top 9 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$110Average$254FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$115Average$256FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$133Average$315FlexibilityNo cancel feeOn-time83%
Hawaiian AirlinesCheapest$168Average$365FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$200Average$401FlexibilityNo cancel feeOn-time71%
DeltaCheapest$213Average$408FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$222Average$386FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$225Average$394FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$240Average$359FlexibilityNo cancel feeOn-time69%

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