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Cheap flights from Detroit to Seattle from C$ 199

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 26/4. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SEA
2 Apr — 9 Apr1
1 adult

Cheapflights Tip: The best prices from Detroit All airports to Seattle/Tacoma Intl are usually found in January or October, booked 31 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

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 28 March 2025.

Round-trip from

C$ 390

One-way from

C$ 199

Popular in

July

Cheapest in

January

Average price

C$ 460

Good round-trip deal

C$ 381 or less

Good one-way deal

C$ 262 or less
Spirit Airlines
  • Spirit Airlines
  • 14/4-20/4
  • 2 total stops
  • 28h 30m total
  • Detroit to Seattle
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Hawaiian Airlines
  • Hawaiian Airlines
  • 26/4
  • Nonstop
  • 4h 57m total
  • Detroit to Seattle
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 134 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from Detroit (DTT) to Seattle/Tacoma Intl.
Search Deals
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 28 March 2025.

Thu 1/52:33 p.m.DTW - SEA
1 stop13h 11mFrontier
Thu 15/56:00 a.m.SEA - DTW
1 stop28h 28mFrontier
Deal found 28/3C$ 354
Sat 10/55:13 p.m.DTW - SEA
Nonstop4h 57mAlaska Airlines
Sat 10/59:45 p.m.SEA - DTW
Nonstop4h 26mAlaska Airlines
Deal found 28/3C$ 387
Thu 16/1012:15 p.m.DTW - SEA
1 stop12h 57mJetBlue
Mon 20/1011:45 p.m.SEA - DTW
1 stop8h 45mJetBlue
Deal found 27/3C$ 390
Sat 19/412:25 p.m.DTW - SEA
Nonstop5h 02mDelta
Wed 14/57:25 a.m.SEA - DTW
1 stop9h 50mDelta
Deal found 27/3C$ 410
Wed 23/47:00 a.m.DTW - SEA
Nonstop4h 57mHawaiian Airlines
Sun 27/49:45 p.m.SEA - DTW
Nonstop4h 26mHawaiian Airlines
Deal found 28/3C$ 424
Thu 29/57:10 p.m.DTW - SEA
1 stop6h 35mSun Country Air
Sun 1/611:59 p.m.SEA - DTW
1 stop7h 29mSun Country Air
Deal found 27/3C$ 443
Thu 28/87:50 p.m.DTW - SEA
1 stop15h 08mMultiple Airlines
Sat 6/94:58 p.m.SEA - DTW
1 stop10h 00mMultiple Airlines
Deal found 27/3C$ 449
Fri 18/410:07 p.m.DTW - SEA
1 stop16h 28mSpirit Airlines
Sun 20/48:56 p.m.SEA - DTW
1 stop25h 22mSpirit Airlines
Deal found 27/3C$ 469
Wed 7/54:05 p.m.DTW - SEA
2 stops10h 25mSouthwest
Tue 13/56:00 a.m.SEA - DTW
1 stop9h 00mSouthwest
Deal found 28/3C$ 496
Fri 20/67:45 p.m.DTW - SEA
1 stop8h 14mUnited Airlines
Fri 27/612:20 a.m.SEA - DTW
1 stop6h 45mUnited Airlines
Deal found 27/3C$ 552
Mon 22/125:35 p.m.DTW - SEA
1 stop8h 43mAmerican Airlines
Fri 26/125:41 a.m.SEA - DTW
1 stop7h 11mAmerican Airlines
Deal found 27/3C$ 798

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 629,999 searches. Data last updated 28 March 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

Mon 14/4

10:07 p.m.-11:35 a.m.

1 stop16h 28m

Seattle/Tacoma Intl

Sun 20/4

8:56 p.m.-11:58 a.m.

1 stop12h 02m

C$ 390

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 22/4

5:13 p.m.-7:10 p.m.

Nonstop4h 57m

Seattle/Tacoma Intl

Tue 29/4

9:45 p.m.-5:11 a.m.

Nonstop4h 26m

C$ 396

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 19/4

8:30 a.m.-10:33 a.m.

Nonstop5h 03m

Seattle/Tacoma Intl

Fri 25/4

12:45 a.m.-11:45 a.m.

1 stop8h 00m

C$ 410

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 1/5

2:33 p.m.-12:44 a.m.

1 stop13h 11m

Seattle/Tacoma Intl

Thu 15/5

6:00 a.m.-1:28 p.m.

1 stop28h 28m

C$ 413

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Mon 14/4

10:07 p.m.-11:35 a.m.

1 stop16h 28m

Seattle/Tacoma Intl

Sun 20/4

8:45 a.m.-4:04 p.m.

Nonstop4h 19m

C$ 414

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 30/5

11:04 a.m.-10:51 p.m.

1 stop14h 47m

Seattle/Tacoma Intl

Sun 1/6

11:59 p.m.-10:28 a.m.

1 stop7h 29m

C$ 422

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 24/5

4:53 p.m.-6:53 p.m.

Nonstop5h 00m

Seattle/Tacoma Intl

Sat 24/5

9:45 p.m.-5:14 a.m.

Nonstop4h 29m

C$ 445

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 3/6

4:05 p.m.-11:30 p.m.

2 stops10h 25m

Seattle/Tacoma Intl

Tue 10/6

10:55 p.m.-10:05 a.m.

1 stop8h 10m

C$ 496

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 20/6

7:31 p.m.-12:59 a.m.

1 stop8h 28m

Seattle/Tacoma Intl

Fri 27/6

12:20 a.m.-10:05 a.m.

1 stop6h 45m

C$ 552

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 15/8

8:02 p.m.-12:44 a.m.

1 stop7h 42m

Seattle/Tacoma Intl

Fri 22/8

10:52 p.m.-9:28 a.m.

1 stop7h 36m

C$ 570

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/3

Showing 1-10 of 17 results
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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 21 March 2025.

To ensure you get the cheapest price possible for a flight from Detroit to Seattle, you should look to book at least 31 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 Detroit to Seattle?

Currently, January is the cheapest month in which you can book a flight from Detroit to Seattle (average of C$ 261). Flying from Detroit to Seattle in December is currently the most expensive (average of C$ 353). 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 28 March 2025.

When flying from Detroit to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 58% versus 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 23 March 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. Monday 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 28 March 2025.

The most flights from DTT to SEA are scheduled on a Wednesday (16 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).

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 28 March 2025.
To help decide which airline to fly from Detroit to Seattle, see what other customers have to say about Southwest, Alaska Airlines and Delta. 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.
Southwest
8.1
Very good
4,273 reviews
Check prices

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews
Check prices

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews
Check prices

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews
Check prices

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,273 reviews
Check prices

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews
Check prices

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 book a flight from Detroit to Seattle, you will be flying from All airports to Seattle/Tacoma Intl. Flights to Seattle/Tacoma Intl (SEA) from Detroit All airports (DTT) take 4h 57m for a nonstop flight. There are 9 flights from All airports to Seattle per day from 4 airlines.

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

    Spirit Airlines, at C$ 390, was found to be the cheapest airline from Detroit to Seattle.Alternate airlines to your destination round-trip include Hawaiian Airlines and Delta. These flights start at 23% lower than the current average price 3 months from now.

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

    One-way options have recently been found by users for as low as C$ 199 on Hawaiian Airlines. Other airlines that offer cheap prices include Sun Country Air from C$ 204 and United Airlines from C$ 213 one-way.

  • 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%), LATAM Airlines (89%) or Aeromexico (89%) 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 C$ 184. While the most popular route (Detroit Metropolitan Wayne County - Seattle/Tacoma Intl) can be booked for C$ 400 on average our data indicates C$ 551 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 C$ 261). Flying from Detroit to Seattle in December is currently the most expensive (average of C$ 353). 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

Travelling to a place near Detroit?

Book flights to Detroit if you plan to visit one of these locations
SeaTac
Tukwila
Marysville
Bothell
Leavenworth
Tacoma
Olympia
Lynnwood

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Alternative routes for Detroit to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Detroit to Seattle flights
Detroit to Portland flights
O'Hare Intl to Seattle flights

Top 4 airlines flying from Detroit to Seattle

Discover the top 4 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 629,999 searches. Data last updated 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 183AverageC$ 281FlexibilityNo cancel feeOn-time62%
Search Frontier flights
DeltaCheapestC$ 184AverageC$ 429FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Spirit AirlinesCheapestC$ 263AverageC$ 297FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
Alaska AirlinesCheapestC$ 359AverageC$ 539FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Detroit to Seattle?

Cheapflights makes it easy to find Detroit to Seattle flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Detroit to Seattle?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Detroit to Seattle for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Detroit to Seattle with no change fees?

Yes! Cheapflights helps users easily find flights from Detroit to Seattle with no change fees.

Can Cheapflights notify me if prices for flights from Detroit to Seattle become cheaper?

Yes, Cheapflights offers price alerts on Detroit to Seattle flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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