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$153+ 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DTT
Nov 20 — Nov 271
Thu 11/20
Thu 11/27
1 adult, Economy
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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 28 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 October 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$230
(Kiwi.com)

One-way from

$153
(American Airlines)

Popular in

October

Cheapest in

April

Average price

$487

Good round-trip deal

$309 or less

Good one-way deal

$217 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)
Search Deals
One-way flight from Seattle/Tacoma Intl to Detroit (DTT)
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 21, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/19. 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 11/1512:58 pmSEA - DTW
2 stops20h 05mMultiple Airlines
Sat 11/225:45 amDTW - SEA
1 stop9h 11mMultiple Airlines
Deal found 10/19$230
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/162:22 pmSEA - DTW
2 stops23h 50mMultiple Airlines
Fri 11/2110:29 pmDTW - SEA
1 stop17h 53mMultiple Airlines
Deal found 10/20$236
This Delta deal was found by Cheapflights users on 10/20. 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.
Wed 12/39:30 amSEA - DTW
1 stop7h 11mDelta
Mon 12/88:12 pmDTW - SEA
Nonstop5h 13mDelta
Deal found 10/20$237
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/101:40 pmSEA - DTW
1 stop6h 51mUnited Airlines
Mon 12/1511:05 amDTW - SEA
1 stop8h 02mUnited Airlines
Deal found 10/20$238
This Orbitz deal was found by Cheapflights users on 10/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:30 pmSEA - DTW
1 stop12h 51mMultiple Airlines
Sun 11/237:13 amDTW - SEA
Nonstop5h 07mMultiple Airlines
Deal found 10/19$241
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 11/201:01 pmSEA - DTW
1 stop8h 01mMultiple Airlines
Tue 12/29:34 pmDTW - SEA
2 stops39h 32mMultiple Airlines
Deal found 10/20$242
This United Airlines deal was found by Cheapflights users on 10/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:40 amSEA - DTW
2 stops10h 18mUnited Airlines
Sat 12/134:48 pmDTW - SEA
1 stop7h 33mUnited Airlines
Deal found 10/20$243
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Mon 11/172:22 pmSEA - DTW
2 stops23h 50mMultiple Airlines
Mon 11/2411:03 amDTW - SEA
1 stop29h 19mMultiple Airlines
Deal found 10/20$245
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1411:55 pmSEA - DTW
1 stop8h 50mDelta
Mon 11/1712:43 pmDTW - SEA
Nonstop5h 02mDelta
Deal found 10/21$247
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Tue 10/2812:58 pmSEA - DTW
2 stops25h 14mFrontier
Sun 11/99:15 pmDTW - SEA
1 stop17h 58mFrontier
Deal found 10/20$250
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Mon 11/1711:43 amSEA - DTW
1 stop14h 45mMultiple Airlines
Wed 11/197:00 amDTW - SEA
2 stops31h 56mMultiple Airlines
Deal found 10/20$253
This Kiwi.com deal was found by Cheapflights users on 10/21. 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.
Mon 12/89:45 amSEA - DTW
1 stop11h 54mMultiple Airlines
Wed 12/105:58 pmDTW - SEA
2 stops19h 08mMultiple Airlines
Deal found 10/21$254

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 October 21, 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

Thu 1/8

6:00 am-1:22 pm

Nonstop4h 22m

Detroit Metropolitan Wayne County

Mon 1/12

12:15 pm-2:24 pm

Nonstop5h 09m

$237

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 12/10

9:30 am-7:41 pm

1 stop7h 11m

Detroit Metropolitan Wayne County

Mon 12/15

8:25 am-10:40 am

Nonstop5h 15m

$237

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 1/7

1:30 pm-8:45 pm

Nonstop4h 15m

Detroit Metropolitan Wayne County

Sun 1/11

4:30 pm-11:16 pm

1 stop9h 46m

$237

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 1/7

7:20 am-7:02 pm

1 stop8h 42m

Detroit Metropolitan Wayne County

Sat 1/10

6:30 am-12:29 pm

1 stop8h 59m

$237

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 11/12

7:20 am-8:01 pm

1 stop9h 41m

Detroit Metropolitan Wayne County

Mon 11/17

12:43 pm-2:45 pm

Nonstop5h 02m

$237

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 11/20

11:56 am-7:18 pm

Nonstop4h 22m

Detroit Metropolitan Wayne County

Mon 11/24

12:43 pm-2:45 pm

Nonstop5h 02m

$237

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Tue 12/2

5:59 pm-5:29 am

1 stop8h 30m

Detroit Metropolitan Wayne County

Sun 12/7

12:43 pm-2:45 pm

Nonstop5h 02m

$237

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 12/31

5:59 pm-6:25 am

1 stop9h 26m

Detroit Metropolitan Wayne County

Sun 1/4

7:45 pm-11:31 pm

1 stop6h 46m

$247

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Sun 11/16

6:35 am-7:50 pm

1 stop10h 15m

Detroit Metropolitan Wayne County

Fri 11/21

12:25 pm-8:00 pm

1 stop10h 35m

$267

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 1/7

10:58 am-8:26 pm

1 stop6h 28m

Detroit Metropolitan Wayne County

Mon 1/12

7:15 am-11:32 am

1 stop7h 17m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

Showing 1-10 of 22 results
1
2
3

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust 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 Seattle-Detroit flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Detroit flight deals on Cheapflights vs. FlightHub >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 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 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 October 17, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Detroit, you should look to book at least 28 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 $345). 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 October 21, 2025.

It’s typically best to fly out from Seattle to Detroit in the afternoon. Doing so could potentially save you 18% 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 October 19, 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 October 21, 2025.

The most flights from SEA to DTT are scheduled on a Tuesday (14 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 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 60% 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 $346.

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 October 21, 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
11,136 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

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
11,136 reviews
Alaska Airlines
8.0
Very good
11,136 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

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
7,978 reviews
Alaska Airlines
8.0
Very good
11,136 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

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
2,786 reviews
Alaska Airlines
8.0
Very good
11,136 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

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
8,096 reviews
Alaska Airlines
8.0
Very good
11,136 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

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
3,130 reviews
Alaska Airlines
8.0
Very good
11,136 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Food

7.1

Crew

8.5

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 10 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 can get you from Seattle to Detroit in just under 4h 22m. Your travel time will be generally consistent. Seattle and Detroit are separated by a distance of 1920 mi. All flights are typically nonstop.

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

    Flying on Spirit Airlines is currently your cheapest option to Detroit, with prices starting at $137. Additional round-trip tickets that might be worth considering are offered by American Airlines and Frontier, with the lowest prices starting at $148 and $150, respectively. Spirit Airlines is currently priced 65% 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: Finnair (100%), Korean Air (92%), Alaska Airlines (91%).

  • What are the cheapest flights from Seattle to Detroit?

    Looking at all options, your cheapest flight can be booked for $138. While the most popular route (Seattle/Tacoma Intl - Detroit Metropolitan Wayne County) can be booked for $144 on average, our data indicates $760 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 $345). 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 October 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$137Average$439FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$148Average$344FlexibilityNo cancel feeOn-time71%
FrontierCheapest$150Average$259FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$183Average$440FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$255Average$453FlexibilityNo cancel feeOn-time75%
DeltaCheapest$257Average$425FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$308Average$366FlexibilityNo cancel feeOn-time69%

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