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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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DTT
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 28 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 September 15, 2025.

Round-trip from

$282
(United Airlines)

One-way from

$148
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$408

Good round-trip deal

$322 or less

Good one-way deal

$210 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. 7% potential increase in price ($32 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 September 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 September 15, 2025.

This United Airlines deal was found by Cheapflights users on 9/14. 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 10/151:57 pmSEA - DTW
1 stop6h 44mUnited Airlines
Tue 10/219:15 amDTW - SEA
2 stops9h 17mUnited Airlines
Deal found 9/14$282
This CheapOair deal was found by Cheapflights users on 9/13. 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.
Wed 10/88:43 pmSEA - DTW
1 stop25h 16mFrontier
Mon 10/136:00 amDTW - SEA
1 stop9h 07mFrontier
Deal found 9/13$284
This Frontier deal was found by Cheapflights users on 9/13. 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 10/178:43 pmSEA - DTW
2 stops19h 50mFrontier
Mon 10/206:00 amDTW - SEA
2 stops10h 26mFrontier
Deal found 9/13$285
This Delta deal was found by Cheapflights users on 9/14. 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 10/116:00 amSEA - DTW
Nonstop4h 20mDelta
Thu 10/238:01 pmDTW - SEA
Nonstop5h 02mDelta
Deal found 9/14$287
This Frontier deal was found by Cheapflights users on 9/14. 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.
Mon 10/132:31 pmSEA - DTW
1 stop7h 28mFrontier
Wed 10/156:00 amDTW - SEA
1 stop9h 07mFrontier
Deal found 9/14$289
This CheapOair deal was found by Cheapflights users on 9/14. 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.
Fri 10/36:12 amSEA - DTW
1 stop15h 34mFrontier
Sat 10/43:42 pmDTW - SEA
2 stops35h 48mFrontier
Deal found 9/14$291
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/195:15 amSEA - DTW
2 stops9h 35mSouthwest
Sat 11/226:10 pmDTW - SEA
1 stop10h 15mSouthwest
Deal found 9/14$292
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/312:22 pmSEA - DTW
2 stops15h 23mMultiple Airlines
Wed 11/58:22 pmDTW - SEA
1 stop25h 10mMultiple Airlines
Deal found 9/15$293
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/202:31 pmSEA - DTW
1 stop7h 28mMultiple Airlines
Sat 11/19:05 pmDTW - SEA
2 stops19h 08mMultiple Airlines
Deal found 9/13$294
This Priceline deal was found by Cheapflights users on 9/13. 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 Priceline 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
Mon 10/206:00 amDTW - SEA
1 stop9h 07mFrontier
Deal found 9/13$295
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2811:44 amSEA - DTW
1 stop7h 50mAmerican Airlines
Tue 11/1112:45 pmDTW - SEA
1 stop13h 33mAmerican Airlines
Deal found 9/13$296
This Delta deal was found by Cheapflights users on 9/14. 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.
Thu 10/236:00 amSEA - DTW
Nonstop4h 20mDelta
Mon 10/274:25 pmDTW - SEA
Nonstop4h 58mDelta
Deal found 9/14$297

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 September 15, 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 12/3

3:15 pm-10:33 pm

Nonstop4h 18m

Detroit Metropolitan Wayne County

Sun 12/14

8:25 am-10:39 am

Nonstop5h 14m

$287

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Tue 10/28

9:25 am-7:31 pm

1 stop7h 06m

Detroit Metropolitan Wayne County

Tue 11/11

7:56 pm-10:14 pm

Nonstop5h 18m

$287

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Tue 12/2

11:10 pm-6:33 am

Nonstop4h 23m

Detroit Metropolitan Wayne County

Sun 12/7

8:25 am-10:39 am

Nonstop5h 14m

$287

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 10/23

11:15 pm-6:28 am

Nonstop4h 13m

Detroit Metropolitan Wayne County

Sat 10/25

8:25 am-10:33 am

Nonstop5h 08m

$287

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 10/30

6:00 am-1:20 pm

Nonstop4h 20m

Detroit Metropolitan Wayne County

Sat 11/1

12:36 pm-2:35 pm

Nonstop4h 59m

$287

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Fri 11/7

3:15 pm-10:28 pm

Nonstop4h 13m

Detroit Metropolitan Wayne County

Mon 11/10

7:56 pm-10:14 pm

Nonstop5h 18m

$297

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Sat 10/11

1:30 pm-11:59 pm

1 stop7h 29m

Detroit Metropolitan Wayne County

Thu 10/23

8:01 pm-10:03 pm

Nonstop5h 02m

$297

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 11/20

3:15 pm-10:25 pm

Nonstop4h 10m

Detroit Metropolitan Wayne County

Sun 11/23

8:25 am-10:41 am

Nonstop5h 16m

$297

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 10/23

10:10 am-10:58 pm

1 stop9h 48m

Detroit Metropolitan Wayne County

Mon 10/27

8:01 pm-10:03 pm

Nonstop5h 02m

$307

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 11/26

7:00 am-4:45 pm

1 stop6h 45m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 18 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 September 12, 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, August is the cheapest month in which you can book a flight from Seattle to Detroit (average of $250). 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 September 15, 2025.

It’s typically best to fly out from Seattle to Detroit in the afternoon. Doing so could potentially save you 13% 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 September 14, 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 September 15, 2025.

The most flights from SEA to DTT are scheduled on a Friday (21 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (12 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 September 15, 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

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

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

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

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
7,954 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

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
2,723 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

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
8,015 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

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
3,172 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.0

Food

7.1

Comfort

7.8

Overall

8.0

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 14 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 18m. 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 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 62% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $157. Hawaiian Airlines flights start at $159 while deals on Alaska Airlines start at $159 one-way.

  • 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: Korean Air (90%), Air France (89%), KLM (86%).

  • What are the cheapest flights from Seattle to Detroit?

    Looking at all options, your cheapest flight can be booked for $148. While the most popular route (Seattle/Tacoma Intl - Detroit Metropolitan Wayne County) can be booked for $230 on average, our data indicates $768 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, August is the cheapest month in which you can book a flight from Seattle to Detroit (average of $250). 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 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$148Average$341FlexibilityNo cancel feeOn-time71%
FrontierCheapest$150Average$262FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$183Average$440FlexibilityNo cancel feeOn-time85%
Spirit AirlinesCheapest$212Average$439FlexibilityNo cancel feeOn-time65%
DeltaCheapest$257Average$430FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$266Average$451FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$308Average$366FlexibilityNo cancel feeOn-time69%

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