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Cheap flights from Detroit to Seattle from C$ 112

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 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SEA
26 Feb — 5 Mar1
1 adult

The best prices from Detroit All airports to Seattle/Tacoma Intl are usually found in January or October, booked 44 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

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 21 February 2025.

Round-trip from

C$ 294

One-way from

C$ 112

Popular in

July

Cheapest in

January

Average price

C$ 449

Good round-trip deal

C$ 537 or less

Good one-way deal

C$ 260 or less
Alaska Airlines
  • Alaska Airlines
  • 19/3-26/3
  • Nonstop
  • 9h 18m total
  • Detroit to Seattle
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Hawaiian Airlines
  • Hawaiian Airlines
  • 19/3
  • Nonstop
  • 4h 59m total
  • Detroit to Seattle
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 129 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).
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Average for round-trip flights in February 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 21 February 2025.

Wed 19/35:10 p.m.DTW - SEA
Nonstop4h 59mAlaska Airlines
Wed 26/38:45 a.m.SEA - DTW
Nonstop4h 19mAlaska Airlines
Deal found 20/2C$ 294
Mon 28/48:10 p.m.DTW - SEA
1 stop6h 52mDelta
Fri 2/510:00 p.m.SEA - DTW
Nonstop4h 16mDelta
Deal found 20/2C$ 322
Thu 13/36:45 a.m.DTW - SEA
1 stop10h 37mMultiple Airlines
Sun 16/312:41 p.m.SEA - DTW
2 stops20h 50mMultiple Airlines
Deal found 20/2C$ 345
Wed 23/47:00 a.m.DTW - SEA
Nonstop4h 57mHawaiian Airlines
Sun 27/48:55 a.m.SEA - DTW
Nonstop4h 22mHawaiian Airlines
Deal found 20/2C$ 365
Fri 18/410:26 p.m.DTW - SEA
1 stop16h 09mSpirit Airlines
Sun 20/412:30 p.m.SEA - DTW
1 stop8h 52mSpirit Airlines
Deal found 20/2C$ 382
Fri 4/710:05 a.m.DTW - SEA
1 stop15h 45mSun Country Air
Thu 10/711:59 p.m.SEA - DTW
1 stop6h 06mSun Country Air
Deal found 20/2C$ 405
Tue 29/42:12 p.m.DTW - SEA
1 stop11h 09mUnited Airlines
Sat 17/55:00 a.m.SEA - DTW
1 stop8h 37mUnited Airlines
Deal found 20/2C$ 494
Tue 20/55:00 a.m.DTW - SEA
1 stop8h 41mAmerican Airlines
Thu 29/51:14 a.m.SEA - DTW
1 stop10h 25mAmerican Airlines
Deal found 19/2C$ 591
Sat 7/63:10 p.m.DTW - SEA
2 stops12h 20mSouthwest
Tue 17/610:55 p.m.SEA - DTW
2 stops10h 55mSouthwest
Deal found 20/2C$ 670

Find flights from Detroit to Seattle within your budget

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 21 February 2025.

Fly from

Detroit

Fly to

Seattle

Route

Depart

Return

Price

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 19/3

5:10 p.m.-7:09 p.m.

Nonstop4h 59m

Seattle/Tacoma Intl

Wed 26/3

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

Nonstop4h 19m

C$ 294

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Mon 28/4

8:10 p.m.-12:02 a.m.

1 stop6h 52m

Seattle/Tacoma Intl

Fri 2/5

10:00 p.m.-5:16 a.m.

Nonstop4h 16m

C$ 322

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 13/3

6:45 a.m.-2:22 p.m.

1 stop10h 37m

Seattle/Tacoma Intl

Sun 16/3

12:41 p.m.-12:31 p.m.

2 stops20h 50m

C$ 345

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 23/4

7:00 a.m.-8:57 a.m.

Nonstop4h 57m

Seattle/Tacoma Intl

Sun 27/4

8:55 a.m.-4:17 p.m.

Nonstop4h 22m

C$ 365

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 18/4

10:26 p.m.-11:35 a.m.

1 stop16h 09m

Seattle/Tacoma Intl

Sun 20/4

12:30 p.m.-12:22 a.m.

1 stop8h 52m

C$ 382

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 29/4

2:12 p.m.-10:21 p.m.

1 stop11h 09m

Seattle/Tacoma Intl

Sat 17/5

5:00 a.m.-4:37 p.m.

1 stop8h 37m

C$ 494

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 20/5

5:00 a.m.-10:41 a.m.

1 stop8h 41m

Seattle/Tacoma Intl

Thu 29/5

1:14 a.m.-2:39 p.m.

1 stop10h 25m

C$ 591

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 20/5

4:05 p.m.-11:50 p.m.

2 stops10h 45m

Seattle/Tacoma Intl

Fri 30/5

5:35 a.m.-5:10 p.m.

2 stops8h 35m

C$ 685

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Wed 19/3

5:10 p.m.-7:09 p.m.

Nonstop4h 59m

C$ 112

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 1/4

6:45 a.m.-2:16 p.m.

1 stop10h 31m

C$ 122

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

Showing 1-10 of 16 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.

Travel insights for flights from Detroit to Seattle

Get recent, data-driven insights about flights from Detroit to Seattle including ideal travel times, pricing trends, and more.

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 14 February 2025.

To ensure you get the cheapest price possible for a flight from Detroit to Seattle, you should look to book at least 44 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$ 262). Flying from Detroit to Seattle in April is currently the most expensive (average of C$ 382). 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 21 February 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 16 February 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 21 February 2025.

The most flights from DTT to SEA are scheduled on a Monday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 21 February 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
4,411 reviews
Check prices

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,316 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews
Check prices

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 59m for a nonstop flight. There are 8 flights from All airports to Seattle per day from 4 airlines.

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

    Alaska Airlines, at C$ 294, was found to be the cheapest airline from Detroit to Seattle.Alternate airlines to your destination round-trip include Delta and Hawaiian Airlines. These flights start at 41% 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$ 112 on Hawaiian Airlines. Other airlines that offer cheap prices include Frontier from C$ 122 and Delta from C$ 126 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 Hawaiian Airlines (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$ 164. While the most popular route (Detroit Metropolitan Wayne County - Seattle/Tacoma Intl) can be booked for C$ 250 on average our data indicates C$ 617 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$ 262). Flying from Detroit to Seattle in April is currently the most expensive (average of C$ 382). 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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapestC$ 187AverageC$ 279FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapestC$ 219AverageC$ 309FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapestC$ 246AverageC$ 471FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 342AverageC$ 536FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights

Fly with Cheapflights

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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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