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$137+ Cheap flights from Seattle to Detroit (SEA - DTT)

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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DTT
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
1 adult, Economy
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Find cheap flights from Seattle to Detroit with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Detroit All airports are usually found in April or January, booked 80 days in advance, depart on a Wednesday or Thursday and return on a Friday

Cheap flight deals from Seattle to Detroit

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Detroit (DTT). 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 November 19, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$204
(Kiwi.com)

One-way from

$137
(Kiwi.com)

Popular in

November

Cheapest in

April

Average price

$514

Good round-trip deal

$306 or less

Good one-way deal

$210 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Detroit (DTT) flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Detroit (DTT) flights.
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From Seattle/Tacoma Intl to Detroit (DTT)
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One-way flight from Seattle/Tacoma Intl to Detroit (DTT)
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Highest demand for flights based on searches. 15% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Detroit (DTT).
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Detroit (DTT).
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Find flight deals from Seattle to Detroit

Cheapest flights from Seattle to Detroit
Explore the most affordable flight options available from Seattle to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 19, 2025.

This Delta deal was found by Cheapflights users on 11/17. 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.
Fri 12/1211:59 pmSEA - DTW
1 stop6h 04mDelta
Sun 12/148:12 pmDTW - SEA
Nonstop5h 13mDelta
Deal found 11/17$209
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 12/1312:48 pmSEA - DTW
1 stop24h 31mMultiple Airlines
Thu 12/1811:59 amDTW - SEA
2 stops25h 12mMultiple Airlines
Deal found 11/17$216
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 12/612:48 pmSEA - DTW
1 stop24h 31mFrontier
Mon 12/2212:20 pmDTW - SEA
1 stop27h 10mFrontier
Deal found 11/18$217
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 12/1312:48 pmSEA - DTW
1 stop24h 31mMultiple Airlines
Wed 12/179:59 pmDTW - SEA
1 stop29h 43mMultiple Airlines
Deal found 11/17$218
This Delta deal was found by Cheapflights users on 11/18. 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.
Fri 12/121:40 pmSEA - DTW
1 stop7h 40mDelta
Wed 12/177:00 amDTW - SEA
1 stop6h 54mDelta
Deal found 11/18$219
This Kiwi.com deal was found by Cheapflights users on 11/16. 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 12/712:48 pmSEA - DTW
1 stop24h 31mFrontier
Fri 12/125:20 pmDTW - SEA
1 stop21h 33mFrontier
Deal found 11/16$224
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 12/59:45 amSEA - DTW
1 stop8h 33mFrontier
Sun 12/712:47 pmDTW - SEA
1 stop30h 49mFrontier
Deal found 11/17$226
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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.
Thu 12/119:28 amSEA - DTW
Nonstop4h 17mAlaska Airlines
Wed 12/246:40 amDTW - SEA
Nonstop5h 09mAlaska Airlines
Deal found 11/18$229
This Kiwi.com deal was found by Cheapflights users on 11/18. 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 12/1112:48 pmSEA - DTW
1 stop24h 31mFrontier
Sat 12/2010:01 pmDTW - SEA
2 stops18h 53mFrontier
Deal found 11/18$230
This Alaska Airlines deal was found by Cheapflights users on 11/18. 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 12/2610:01 pmSEA - DTW
Nonstop4h 19mAlaska Airlines
Mon 1/56:40 amDTW - SEA
Nonstop5h 09mAlaska Airlines
Deal found 11/18$233

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Detroit 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 November 19, 2025.
Use the filters below to find and compare flights from Seattle to Detroit that are best for you.

Fly from

Seattle

Fly to

Detroit

Route

Depart

Return

Price

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Fri 12/12

11:59 pm-9:03 am

1 stop6h 04m

Detroit Metropolitan Wayne County

Sun 12/14

12:23 pm-8:48 pm

1 stop11h 25m

$219

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 1/8

6:45 am-3:30 pm

1 stop5h 45m

Detroit Metropolitan Wayne County

Sun 1/11

6:35 pm-10:50 pm

1 stop7h 15m

$219

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Sat 12/13

1:40 pm-12:20 am

1 stop7h 40m

Detroit Metropolitan Wayne County

Thu 12/18

8:43 am-2:45 pm

1 stop9h 02m

$219

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 1/7

5:40 pm-5:44 am

1 stop9h 04m

Detroit Metropolitan Wayne County

Fri 1/9

12:30 pm-7:34 pm

1 stop10h 04m

$219

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Tue 3/10

9:12 am-4:26 pm

Nonstop4h 14m

Detroit Metropolitan Wayne County

Wed 3/11

5:22 pm-7:35 pm

Nonstop5h 13m

$239

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Tue 3/10

7:20 am-7:02 pm

1 stop8h 42m

Detroit Metropolitan Wayne County

Wed 3/11

7:45 pm-10:00 pm

Nonstop5h 15m

$249

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Fri 2/27

11:59 pm-9:32 am

1 stop6h 33m

Detroit Metropolitan Wayne County

Tue 3/3

2:40 pm-10:43 pm

2 stops11h 03m

$252

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 1/29

8:40 am-10:10 pm

2 stops10h 30m

Detroit Metropolitan Wayne County

Sun 2/1

7:15 am-11:32 am

1 stop7h 17m

$262

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Fri 1/16

2:10 pm-11:44 pm

1 stop6h 34m

Detroit Metropolitan Wayne County

Sun 1/18

5:30 am-1:57 pm

2 stops11h 27m

$262

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Fri 12/12

11:15 pm-6:39 am

Nonstop4h 24m

Detroit Metropolitan Wayne County

Wed 12/17

8:25 am-10:40 am

Nonstop5h 15m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 20 results
1
2

Compare providers for flights from Seattle to Detroit

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 Seattle to Detroit in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 Seattle-Detroit flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Detroit flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Detroit flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Detroit 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 Seattle-Detroit 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 Seattle to Detroit

Have a flexible travel schedule? Discover the best time to fly to Detroit from Seattle 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 Seattle to Detroit

How far ahead should I book a flight from Seattle to Detroit?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Detroit. Price data was last updated on November 14, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Detroit, you should look to book at least 80 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 Seattle to Detroit?

Currently, April is the cheapest month in which you can book a flight from Seattle to Detroit (average of $148). Flying from Seattle to Detroit in July is currently the most expensive (average of $343). 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 SEA to DTT?

Find hourly flight availability from Seattle to Detroit. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 19, 2025.

It’s typically best to fly out from Seattle to Detroit in the afternoon. Doing so could potentially save you 17% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Seattle to Detroit?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Detroit. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their Seattle to Detroit flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Detroit

Explore weekly flight availability from Seattle to Detroit. 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 November 19, 2025.

The most flights from SEA to DTT are scheduled on a Monday (15 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

How much does it cost to fly round-trip from Seattle to Detroit?

What’s the top layover airport for flights from Seattle to Detroit?

Share of 1-stop round-trip flights from Seattle to Detroit chosen by Cheapflights users in the past 12 months, using the same layover each way.

Chicago (ORD) – chosen by Cheapflights users on 75% of 1-stop itineraries from Seattle to Detroit on Cheapflights.

What’s the cheapest layover airport for flights from Seattle to Detroit?

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

Denver (DEN) is the most affordable 1-stop option, with an average round-trip price of $337.

What’s the fastest layover option from Seattle to Detroit?

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

Flights via Chicago (ORD) have the shortest average one-way travel time for 1-stop routes: 9h 08m.

Which airport typically offers the quickest layover for flights from Seattle to Detroit?

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

Flights via Chicago (ORD) offer the fastest connection on this route, with an average layover time of 2h 25m.

Reviews of airlines servicing Detroit

Get insights into the airlines that provide service to Detroit. 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 Detroit. Reviews last updated November 19, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Seattle to Detroit have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,316 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
11,316 reviews
Alaska Airlines
8.0
Very good
11,316 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Delta
7.9
Good
8,003 reviews
Alaska Airlines
8.0
Very good
11,316 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Hawaiian Airlines
7.8
Good
2,809 reviews
Alaska Airlines
8.0
Very good
11,316 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Spirit Airlines
6.3
Okay
8,151 reviews
Alaska Airlines
8.0
Very good
11,316 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Frontier
5.8
Fair
3,105 reviews
Alaska Airlines
8.0
Very good
11,316 reviews

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Detroit. 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 Seattle to Detroit?

    Detroit All airports is the airport most travelers will use when flying to Detroit from Seattle/Tacoma Intl. Booking flights from Seattle/Tacoma Intl (SEA) to All airports (DTT) should be relatively easy as there are 11 daily flights to Detroit from 7 different airlines. 4h 10m is how long a flight from Seattle to Detroit All airports will take if you book a nonstop flight.

  • How long is the flight from Seattle to Detroit?

    Delta, Southwest, and Alaska Airlines can get you from Seattle to Detroit in just under 4h 14m. Your travel time can differ by up to 1h 50m. Seattle and Detroit are separated by a distance of 1920 mi. This flight may include one or multiple stops.

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

    Flying on American Airlines is currently your cheapest option to Detroit, with prices starting at $148. Additional round-trip tickets that might be worth considering are offered by Frontier and Hawaiian Airlines, with the lowest prices starting at $150 and $183, respectively. American Airlines is currently priced 64% below the average price you’ll pay for this route.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Detroit on time: Alaska Airlines (94%), Virgin Atlantic (93%), Air Tahiti Nui (93%).

  • What are the cheapest flights from Seattle to Detroit?

    Looking at all options, your cheapest flight can be booked for $103. While the most popular route (Seattle/Tacoma Intl - Detroit Metropolitan Wayne County) can be booked for $169 on average, our data indicates $843 when flying from Seattle to Detroit.

  • Can I find deals for flights from Seattle to Detroit that include hotel bookings?

    Yes. In addition to deals on Seattle to Detroit flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Detroit?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Detroit.

  • Can I find deals for business class flights from Seattle to Detroit?

    Yes. Cheapflights offers flight deals from Seattle to Detroit 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 Seattle to Detroit?

    Currently, April is the cheapest month in which you can book a flight from Seattle to Detroit (average of $148). Flying from Seattle to Detroit in July is currently the most expensive (average of $343). 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?

Book flights to Detroit if you plan to visit one of these locations
Roseville
Port Huron

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Alternative routes for Seattle to Detroit

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Seattle to Detroit

Discover the top 7 airlines that operate flights from Seattle to Detroit. 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 November 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$148Average$356FlexibilityNo cancel feeOn-time71%
FrontierCheapest$150Average$267FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$183Average$440FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$221Average$446FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$244Average$451FlexibilityNo cancel feeOn-time75%
DeltaCheapest$257Average$420FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$298Average$345FlexibilityNo cancel feeOn-time69%

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