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$148+ 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 10/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DTT
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Detroit All airports are usually found in January or April, booked 80 days in advance, depart on a Thursday or Wednesday 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 August 18, 2025.

Round-trip from

$269
(Frontier)

One-way from

$148
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$401

Good round-trip deal

$345 or less

Good one-way deal

$243 or less
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. 8% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 18, 2025.

This Frontier deal was found by Cheapflights users on 8/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/161:02 pmSEA - DTW
1 stop8h 57mFrontier
Sun 10/197:22 pmDTW - SEA
2 stops16h 26mFrontier
Deal found 8/18$269
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 10/26:12 amSEA - DTW
1 stop15h 34mFrontier
Thu 10/96:00 amDTW - SEA
1 stop28h 33mFrontier
Deal found 8/18$270
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Wed 9/36:41 amSEA - DTW
1 stop7h 58mMultiple Airlines
Sat 9/611:15 amDTW - SEA
2 stops15h 44mMultiple Airlines
Deal found 8/18$271
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Sat 9/207:00 amSEA - DTW
1 stop13h 58mMultiple Airlines
Fri 9/266:30 amDTW - SEA
Nonstop4h 56mMultiple Airlines
Deal found 8/16$272
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 9/266:12 amSEA - DTW
1 stop15h 34mMultiple Airlines
Sun 9/286:30 amDTW - SEA
Nonstop4h 56mMultiple Airlines
Deal found 8/17$275
This Frontier deal was found by Cheapflights users on 8/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/196:12 amSEA - DTW
2 stops11h 17mFrontier
Mon 9/226:10 amDTW - SEA
2 stops12h 31mFrontier
Deal found 8/16$276
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Sun 8/316:17 amSEA - DTW
1 stop15h 27mFrontier
Fri 9/56:10 amDTW - SEA
1 stop21h 20mFrontier
Deal found 8/18$277
This CheapOair deal was found by Cheapflights users on 8/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:12 amSEA - DTW
1 stop15h 34mFrontier
Fri 9/193:42 pmDTW - SEA
2 stops11h 48mFrontier
Deal found 8/16$278
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Sat 10/111:02 pmSEA - DTW
2 stops13h 32mMultiple Airlines
Fri 10/176:00 amDTW - SEA
1 stop9h 07mMultiple Airlines
Deal found 8/16$280
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Wed 9/247:00 amSEA - DTW
1 stop14h 46mMultiple Airlines
Fri 9/269:10 amDTW - SEA
1 stop13h 26mMultiple Airlines
Deal found 8/16$281
This CheapOair deal was found by Cheapflights users on 8/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/254:40 pmSEA - DTW
2 stops18h 45mFrontier
Wed 9/38:00 amDTW - SEA
1 stop18h 01mFrontier
Deal found 8/16$282
This Frontier deal was found by Cheapflights users on 8/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/216:12 amSEA - DTW
2 stops11h 17mFrontier
Fri 9/263:42 pmDTW - SEA
2 stops11h 48mFrontier
Deal found 8/16$283

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 August 18, 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

Wed 9/3

6:41 am-5:39 pm

1 stop7h 58m

Detroit Metropolitan Wayne County

Sat 9/6

11:15 am-11:59 pm

2 stops15h 44m

$271

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Mon 9/22

6:12 am-12:46 am

1 stop15h 34m

Detroit Metropolitan Wayne County

Sun 9/28

6:30 am-8:26 am

Nonstop4h 56m

$272

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 9/17

7:00 am-12:46 am

1 stop14h 46m

Detroit Metropolitan Wayne County

Thu 9/25

6:30 am-8:26 am

Nonstop4h 56m

$272

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Sat 9/27

7:00 am-11:58 pm

1 stop13h 58m

Detroit Metropolitan Wayne County

Thu 10/2

6:30 am-8:26 am

Nonstop4h 56m

$272

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 10/23

1:02 pm-12:59 am

1 stop8h 57m

Detroit Metropolitan Wayne County

Sun 10/26

4:58 pm-8:48 am

2 stops18h 50m

$275

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 9/17

7:00 am-12:46 am

1 stop14h 46m

Detroit Metropolitan Wayne County

Sun 9/28

6:30 am-8:26 am

Nonstop4h 56m

$275

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Mon 9/22

6:12 am-12:46 am

1 stop15h 34m

Detroit Metropolitan Wayne County

Thu 9/25

6:30 am-8:26 am

Nonstop4h 56m

$275

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Sat 9/27

7:00 am-11:58 pm

1 stop13h 58m

Detroit Metropolitan Wayne County

Mon 9/29

6:30 am-8:26 am

Nonstop4h 56m

$275

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Fri 9/5

6:12 am-12:46 am

1 stop15h 34m

Detroit Metropolitan Wayne County

Sun 9/7

6:30 am-8:26 am

Nonstop4h 56m

$275

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Fri 9/19

6:12 am-8:29 pm

2 stops11h 17m

Detroit Metropolitan Wayne County

Mon 9/22

6:10 am-3:41 pm

2 stops12h 31m

$276

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 19 results
1
2

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 August 8, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Detroit, you should look to book at least 58 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 $257). Flying from Seattle to Detroit in March is currently the most expensive (average of $305). 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 August 18, 2025.

It’s typically best to fly out from Seattle to Detroit in the afternoon. Doing so could potentially save you 14% on the flight price compared to flying in the morning, 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 August 17, 2025.

Travelers seeking maximum savings on their Seattle to Detroit flight should consider departing on Wednesday 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 August 18, 2025.

The most flights from SEA to DTT are scheduled on a Monday (20 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (10 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 August 18, 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
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,665 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Spirit Airlines
6.3
Okay
8,038 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Frontier
5.8
Fair
3,212 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 12 daily flights to Detroit from 6 different airlines. 4h 12m 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?

    Frontier can get you from Seattle to Detroit in just under 8h 57m. Your travel time can differ by up to . Seattle and Detroit are separated by a distance of 1920 mi.

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

    Flying on Frontier is currently your cheapest option to Detroit, with prices starting at $148. Additional round-trip tickets that might be worth considering are offered by American Airlines and Hawaiian Airlines, with the lowest prices starting at $148 and $183, respectively. Frontier is currently priced 62% 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: Air France (86%), Air Europa (85%), LATAM Airlines (85%).

  • What are the cheapest flights from Seattle to Detroit?

    Looking at all options, your cheapest flight can be booked for $158. While the most popular route (Seattle/Tacoma Intl - Detroit Metropolitan Wayne County) can be booked for $203 on average our data indicates $732 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 $257). Flying from Seattle to Detroit in March is currently the most expensive (average of $305). 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 6 airlines flying from Seattle to Detroit

Discover the top 6 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$148Average$240FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$148Average$346FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$183Average$438FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$212Average$397FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$257Average$457FlexibilityNo cancel feeOn-time75%
DeltaCheapest$257Average$424FlexibilityNo cancel feeOn-timeN/A

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