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$158+ Cheap flights from Detroit to Seattle (DTT - SEA)

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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SEA
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Detroit All airports to Seattle/Tacoma Intl are usually found in October or January, booked 48 days in advance, depart on a Friday or Wednesday and return on a Thursday

Cheap flight deals from Detroit to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Seattle (SEA). 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 septiembre 16, 2025.

Round-trip from

$267
(Kiwi.com)

One-way from

$158
(Frontier)

Popular in

June

Cheapest in

October

Average price

$372

Good round-trip deal

$359 or less

Good one-way deal

$285 or less
From Detroit (DTT) to Seattle/Tacoma Intl
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One-way flight from Detroit (DTT) to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 11% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 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 Detroit (DTT) to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Detroit (DTT) to Seattle/Tacoma Intl.
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Find flight deals from Detroit to Seattle

Cheapest flights from Detroit to Seattle
Explore the most affordable flight options available from Detroit to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 16, 2025.

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.
lun. 10/63:42 pmDTW - SEA
2 stops23h 25mFrontier
vie. 10/108:43 pmSEA - DTW
1 stop25h 16mFrontier
Deal found 9/15$267
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.
sáb. 10/117:55 amDTW - SEA
1 stop26h 38mFrontier
mié. 10/158:43 pmSEA - DTW
1 stop25h 16mFrontier
Deal found 9/14$268
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/296:24 pmDTW - SEA
1 stop27h 08mMultiple Airlines
mié. 11/512:58 pmSEA - DTW
2 stops26h 35mMultiple Airlines
Deal found 9/14$269
This Sun Country Air 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/2112:28 pmDTW - SEA
1 stop24h 08mSun Country Air
mié. 12/316:20 pmSEA - DTW
1 stop13h 59mSun Country Air
Deal found 9/14$270
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.
sáb. 10/117:55 amDTW - SEA
1 stop26h 38mFrontier
dom. 10/192:31 pmSEA - DTW
2 stops22h 32mFrontier
Deal found 9/14$272
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/208:00 amDTW - SEA
1 stop15h 39mFrontier
mié. 9/247:00 amSEA - DTW
1 stop24h 54mFrontier
Deal found 9/15$274
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/166:00 amDTW - SEA
1 stop9h 07mFrontier
jue. 10/231:02 pmSEA - DTW
1 stop8h 57mFrontier
Deal found 9/15$275
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/256:10 amDTW - SEA
1 stop21h 20mFrontier
sáb. 10/47:00 amSEA - DTW
1 stop25h 04mFrontier
Deal found 9/15$276
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/148:01 pmDTW - SEA
Nonstop5h 02mDelta
sáb. 10/256:00 amSEA - DTW
Nonstop4h 20mDelta
Deal found 9/15$277
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/712:30 pmDTW - SEA
1 stop9h 02mMultiple Airlines
lun. 11/1011:43 amSEA - DTW
1 stop28h 44mMultiple Airlines
Deal found 9/14$278
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/1512:16 pmDTW - SEA
1 stop13h 05mJetBlue
mié. 10/2211:56 pmSEA - DTW
1 stop8h 34mJetBlue
Deal found 9/15$279
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.
jue. 10/23:42 pmDTW - SEA
2 stops11h 48mFrontier
dom. 10/56:12 amSEA - DTW
2 stops29h 34mFrontier
Deal found 9/14$280

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Seattle 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 septiembre 16, 2025.
Use the filters below to find and compare flights from Detroit to Seattle that are best for you.

Fly from

Detroit

Fly to

Seattle

Route

Depart

Return

Price

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

sáb. 11/1

12:36 pm-2:35 pm

Nonstop4h 59m

Seattle/Tacoma Intl

mié. 11/12

3:15 pm-10:25 pm

Nonstop4h 10m

$277

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

mar. 11/4

6:00 am-11:28 am

1 stop8h 28m

Seattle/Tacoma Intl

mié. 11/12

6:20 am-5:37 pm

1 stop8h 17m

$277

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

mié. 10/8

8:25 am-10:33 am

Nonstop5h 08m

Seattle/Tacoma Intl

sáb. 10/18

6:00 am-1:20 pm

Nonstop4h 20m

$277

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

mar. 10/14

8:01 pm-10:03 pm

Nonstop5h 02m

Seattle/Tacoma Intl

sáb. 10/18

6:00 am-1:20 pm

Nonstop4h 20m

$277

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

mar. 11/4

8:25 am-10:33 am

Nonstop5h 08m

Seattle/Tacoma Intl

mié. 11/12

3:15 pm-10:25 pm

Nonstop4h 10m

$277

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

sáb. 10/11

8:01 pm-10:03 pm

Nonstop5h 02m

Seattle/Tacoma Intl

sáb. 10/18

6:00 am-1:20 pm

Nonstop4h 20m

$277

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

mié. 11/26

7:56 pm-10:14 pm

Nonstop5h 18m

Seattle/Tacoma Intl

vie. 11/28

11:10 pm-6:29 am

Nonstop4h 19m

$287

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

vie. 10/17

8:01 pm-10:03 pm

Nonstop5h 02m

Seattle/Tacoma Intl

mar. 10/21

6:00 am-1:20 pm

Nonstop4h 20m

$287

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

mié. 10/29

8:00 am-12:47 pm

1 stop7h 47m

Seattle/Tacoma Intl

mié. 11/5

11:43 am-7:05 pm

Nonstop4h 22m

$287

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

sáb. 11/22

7:56 pm-10:14 pm

Nonstop5h 18m

Seattle/Tacoma Intl

dom. 12/7

11:10 pm-6:33 am

Nonstop4h 23m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 19 results
1
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Best time to book a flight from Detroit to Seattle

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

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

Use this chart to determine the optimal time to book a round-trip flight from Detroit to Seattle. Price data was last updated on September 12, 2025.

The price you pay for your flight from Detroit to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 48 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Detroit to Seattle (average of $238). Flying from Detroit to Seattle in June is currently the most expensive (average of $387). 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 DTT to SEA?

Find hourly flight availability from Detroit to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 16, 2025.

It’s optimal to fly from Detroit to Seattle in the afternoon. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Detroit to Seattle. Price data was last updated on September 14, 2025.

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

Weekly flight availability from Detroit to Seattle

Explore weekly flight availability from Detroit to Seattle. 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 septiembre 16, 2025.

The most flights from DTT to SEA are scheduled on a Monday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

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

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated septiembre 16, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines from Detroit to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,957 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Frontier
5.8
Fair
3,174 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Related info for your journey

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

    If you wish to fly to Seattle from Detroit, then you need to book flights from Detroit All airports to Seattle/Tacoma Intl. There are 14 flights from All airports (DTT) to Seattle/Tacoma Intl (SEA) per day to choose from. Flights to Seattle from All airports are available from 9 different airlines, which means you should have some options if you want to compare airfare deals. 4h 49m is how long a nonstop flight from Detroit to Seattle/Tacoma Intl typically takes.

  • How long is the flight from Detroit to Seattle?

    Departing from Detroit to Seattle will take you 4h 59m. There are 1920 mi between Detroit and Seattle. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Spirit Airlines, at $130, was found to be the cheapest airline from Detroit to Seattle.Alternate airlines to your destination round-trip include Sun Country Air and Frontier. These flights start at 63% lower than the current average price 3 months from now.

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

    No one likes to see their flight delayed. When booking a flight from Detroit to Seattle consider choosing Korean Air (92%), Air France (89%) or Aeromexico (86%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Detroit to Seattle?

    Looking at all options, your cheapest flight can be booked for $173. While the most popular route (Detroit Metropolitan Wayne County - Seattle/Tacoma Intl) can be booked for $179 on average, our data indicates $852 when flying from Detroit to Seattle.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Detroit to Seattle (average of $238). Flying from Detroit to Seattle in June is currently the most expensive (average of $387). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
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Chehalis
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Shoreline

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Alternative routes for Detroit to Seattle

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Top 9 airlines flying from Detroit to Seattle

Discover the top 9 airlines that operate flights from Detroit to Seattle. 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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$130Average$277FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$133Average$325FlexibilityNo cancel feeOn-time83%
FrontierCheapest$144Average$242FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$158Average$440FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$178Average$367FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$222Average$386FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$256Average$401FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$256Average$391FlexibilityNo cancel feeOn-time69%
DeltaCheapest$257Average$409FlexibilityNo cancel feeOn-timeN/A

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