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$138+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — DTT
Jul 4 — Jul 111
Sat 7/4
Sat 7/11
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 March, booked 51 days in advance, depart on a Wednesday or Friday and return on a Friday

Cheap 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 June 4, 2026.

This CheapOair deal was found by Cheapflights users on 6/3. 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 6/173:33 pm
SEA
-
DTW
1 stop18h 13m
Frontier
Sun 6/218:00 am
DTW
-
SEA
1 stop9h 18m
Frontier
Deal found 6/3$387
This CheapOair deal was found by Cheapflights users on 6/3. 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 6/157:41 pm
SEA
-
DTW
1 stop14h 05m
Frontier
Tue 6/238:00 am
DTW
-
SEA
1 stop28h 48m
Frontier
Deal found 6/3$388
This CheapOair deal was found by Cheapflights users on 5/31. 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 7/107:06 pm
SEA
-
DTW
1 stop14h 28m
Frontier
Tue 7/148:30 am
DTW
-
SEA
1 stop29h 09m
Frontier
Deal found 5/31$389
This Trip.com deal was found by Cheapflights users on 6/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/227:41 pm
SEA
-
DTW
1 stop14h 05m
Frontier
Wed 6/241:31 pm
DTW
-
SEA
1 stop27h 47m
Frontier
Deal found 6/3$390
This Expedia deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/612:35 pm
SEA
-
DTW
1 stop8h 24m
Multiple Airlines
Thu 8/137:01 am
DTW
-
SEA
Nonstop4h 59m
Multiple Airlines
Deal found 6/1$392
This American Airlines deal was found by Cheapflights users on 5/30. 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.
Sat 8/225:00 am
SEA
-
DTW
1 stop10h 47m
American Airlines
Tue 8/256:35 am
DTW
-
SEA
1 stop11h 10m
American Airlines
Deal found 5/30$393
This United Airlines deal was found by Cheapflights users on 6/3. 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 6/171:51 pm
SEA
-
DTW
1 stop7h 06m
United Airlines
Mon 6/225:29 pm
DTW
-
SEA
1 stop9h 03m
United Airlines
Deal found 6/3$394
This Delta deal was found by Cheapflights users on 6/1. 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 8/65:10 am
SEA
-
DTW
Nonstop4h 10m
Delta
Thu 8/138:05 pm
DTW
-
SEA
Nonstop5h 00m
Delta
Deal found 6/1$397
This CheapOair deal was found by Cheapflights users on 5/31. 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.
Thu 9/247:00 am
SEA
-
DTW
1 stop14h 24m
Frontier
Sun 9/277:20 am
DTW
-
SEA
1 stop20h 07m
Frontier
Deal found 5/31$398
This Booking.com deal was found by Cheapflights users on 6/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/307:41 pm
SEA
-
DTW
1 stop14h 05m
Multiple Airlines
Tue 7/77:01 am
DTW
-
SEA
Nonstop4h 59m
Multiple Airlines
Deal found 6/2$399
This CheapOair deal was found by Cheapflights users on 5/30. 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 6/267:41 pm
SEA
-
DTW
1 stop25h 18m
Frontier
Wed 7/18:00 am
DTW
-
SEA
1 stop9h 18m
Frontier
Deal found 5/30$400
This CheapOair deal was found by Cheapflights users on 6/2. 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.
Sun 7/57:06 pm
SEA
-
DTW
1 stop14h 28m
Frontier
Sun 7/127:40 am
DTW
-
SEA
1 stop28h 37m
Frontier
Deal found 6/2$402

Find 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 June 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$387
(CheapOair)

One-way from

$138
(Super.com)

Popular in

October

Cheapest in

January

Average price

$482

Good round-trip deal

$392 or less

Good one-way deal

$231 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Detroit (DTT) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Detroit (DTT) flights.
Search Deals
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. 7% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Detroit (DTT).
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Detroit (DTT).
Search Deals

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 June 4, 2026.
Use the filters below to find and compare flights from Seattle to Detroit that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Thu 8/6

5:10 am-12:20 pm

Nonstop4h 10m

Detroit Metropolitan Wayne County

Mon 8/10

8:05 pm-10:05 pm

Nonstop5h 00m

$397

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 7/29

10:22 pm-5:41 am

Nonstop4h 19m

Detroit Metropolitan Wayne County

Tue 8/4

7:01 am-9:00 am

Nonstop4h 59m

$397
Quickest round-trip

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 8/19

5:10 am-12:20 pm

Nonstop4h 10m

Detroit Metropolitan Wayne County

Tue 9/1

6:00 am-7:49 am

Nonstop4h 49m

$397

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Fri 7/10

5:30 am-12:42 pm

Nonstop4h 12m

Detroit Metropolitan Wayne County

Mon 7/13

5:40 pm-11:59 pm

1 stop9h 19m

$407

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 7/15

11:20 pm-10:14 am

1 stop7h 54m

Detroit Metropolitan Wayne County

Sun 7/19

5:30 am-9:40 am

1 stop7h 10m

$417

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Wed 7/15

7:35 am-10:15 pm

2 stops11h 40m

Detroit Metropolitan Wayne County

Tue 7/21

5:25 pm-12:35 am

2 stops10h 10m

$493

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Mon 7/27

10:22 pm-5:41 am

Nonstop4h 19m

Detroit Metropolitan Wayne County

Sat 8/1

7:01 am-9:00 am

Nonstop4h 59m

$497

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Tue 6/23

10:22 pm-5:41 am

Nonstop4h 19m

Detroit Metropolitan Wayne County

Mon 6/29

7:01 am-9:00 am

Nonstop4h 59m

$497

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Fri 7/17

5:30 am-12:42 pm

Nonstop4h 12m

Detroit Metropolitan Wayne County

Mon 7/20

8:34 pm-10:33 pm

Nonstop4h 59m

$508

SeattleDetroit

SEA - DTW

SEADTW

Seattle/Tacoma Intl

Sat 7/25

6:30 am-8:10 pm

2 stops10h 40m

Detroit Metropolitan Wayne County

Thu 7/30

1:25 pm-9:50 pm

2 stops11h 25m

$513

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/1

Showing 1-10 of 22 resultsSorted by cheapest first
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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on 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

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

Currently, December is the cheapest month in which you can book a flight from Seattle to Detroit (average of $99). Flying from Seattle to Detroit in June is currently the most expensive (average of $257). 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 June 4, 2026.

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.

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 June 4, 2026.

The most flights from SEA to DTT are scheduled on a Wednesday (18 on average). You will have fewer flight options on Tuesday, 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?

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

To ensure you get the cheapest price possible for a flight from Seattle to Detroit, you should look to book at least 63 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 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 May 30, 2026.

Travelers seeking maximum savings on their Seattle to Detroit flight should consider departing on Monday 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.

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 June 4, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited 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
7.9
Good
12,464 reviews

Crew

8.5

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Alaska Airlines
7.9
Good
12,464 reviews
Alaska Airlines
7.9
Good
12,464 reviews

Crew

8.5

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Delta
7.9
Good
8,395 reviews
Alaska Airlines
7.9
Good
12,464 reviews

Crew

8.5

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
United Airlines
7.4
Good
9,773 reviews
Alaska Airlines
7.9
Good
12,464 reviews

Crew

8.5

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
American Airlines
7.1
Good
11,641 reviews
Alaska Airlines
7.9
Good
12,464 reviews

Crew

8.5

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Frontier
5.6
Fair
2,914 reviews
Alaska Airlines
7.9
Good
12,464 reviews

Crew

8.5

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

7.9

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

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 6 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 and Alaska Airlines can get you from Seattle to Detroit in just under 4h 10m. 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 Frontier is currently your cheapest option to Detroit, with prices starting at $152. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $163 and $185, respectively. Frontier 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 Southwest, which is currently one of the cheapest options available, starting at $97. American Airlines flights start at $98 while deals on Frontier start at $109 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: Hawaiian Airlines (98%), Japan Airlines (93%), Alaska Airlines (91%).

  • What are the cheapest flights from Seattle to Detroit?

    Looking at all options, your cheapest flight can be booked for $162. While the most popular route (Seattle/Tacoma Intl - Detroit Metropolitan Wayne County) can be booked for $288 on average, our data indicates $986 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, December is the cheapest month in which you can book a flight from Seattle to Detroit (average of $99). Flying from Seattle to Detroit in June is currently the most expensive (average of $257). 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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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 June 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$152Average$314FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$163Average$328FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$185Average$338FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$199Average$435FlexibilityNo cancel feeOn-time75%
DeltaCheapest$216Average$440FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$297Average$478FlexibilityNo cancel feeOn-time85%

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