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Cheap flights from Detroit to Seattle from $168

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Seattle departing on 11/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:00 am - 12:55 pmDTW-SEA
8h 55m1 stop
Delta Logo
10:19 am - 11:19 pmSEA-DTW
10h 00m1 stop
$257Delta
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Fri, Nov 21 - Mon, Nov 24
Alaska Airlines Logo
4:51 pm - 6:54 pmDTW-SEA
5h 03mnonstop
Alaska Airlines Logo
8:40 am - 3:55 pmSEA-DTW
4h 15mnonstop
$258Alaska Airlines
Find Deal
Mon, Nov 10 - Fri, Nov 14
Delta Logo
8:10 pm - 10:25 pmDTW-SEA
5h 15mnonstop
Delta Logo
11:05 pm - 6:28 amSEA-DTW
4h 23mnonstop
$259Delta
Find Deal
Sat, Feb 28 - Sun, Mar 8
Multiple Airlines Logo
6:55 pm - 12:07 pmDTW-SEA
20h 12m2 stops
Multiple Airlines Logo
8:22 pm - 11:58 amSEA-DTW
12h 36m1 stop
$260Multiple Airlines
Find Deal
Tue, Nov 4 - Sat, Nov 8
Alaska Airlines Logo
6:40 am - 8:49 amDTW-SEA
5h 09mnonstop
Alaska Airlines Logo
8:30 am - 3:56 pmSEA-DTW
4h 26mnonstop
$262Alaska Airlines
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Fri, Dec 19 - Wed, Dec 24
Frontier Logo
7:55 am - 7:33 amDTW-SEA
26h 38m1 stop
Frontier Logo
9:22 pm - 12:58 pmSEA-DTW
12h 36m1 stop
$265Frontier
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Sat, Oct 25 - Thu, Oct 30
American Airlines Logo
5:33 am - 10:25 amDTW-SEA
7h 52m1 stop
American Airlines Logo
12:41 am - 10:56 amSEA-DTW
7h 15m1 stop
$268American Airlines
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Fri, Nov 7 - Fri, Nov 7
Frontier Logo
6:00 am - 7:33 amDTW-SEA
28h 33m1 stop
Frontier Logo
9:22 pm - 12:58 pmSEA-DTW
12h 36m1 stop
$269Frontier
Find Deal
Sun, Oct 26 - Thu, Oct 30
American Airlines Logo
4:51 pm - 6:54 pmDTW-SEA
5h 03mnonstop
American Airlines Logo
8:40 am - 3:55 pmSEA-DTW
4h 15mnonstop
$279American Airlines
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Fri, Nov 7 - Fri, Nov 14
United Airlines Logo
11:00 am - 6:00 pmDTW-SEA
10h 00m2 stops
United Airlines Logo
12:00 pm - 10:17 pmSEA-DTW
7h 17m1 stop
$289United Airlines
Find Deal
Sat, Nov 8 - Mon, Nov 10

Delta flights from Detroit to Seattle

Our best Delta deals on Detroit to Seattle flight tickets
Delta
Nov 21
DTW7:00 amDetroit Metropolitan Wayne County
8h 55m
1 stop
SEA12:55 pmSeattle/Tacoma Intl
Nov 24
SEA10:19 amSeattle/Tacoma Intl
10h 00m
1 stop
DTW11:19 pmDetroit Metropolitan Wayne County
$257
Find similar
Delta
Feb 28
DTW8:10 pmDetroit Metropolitan Wayne County
5h 15m
SEA10:25 pmSeattle/Tacoma Intl
Mar 8
SEA11:05 pmSeattle/Tacoma Intl
4h 23m
DTW6:28 amDetroit Metropolitan Wayne County
$259
Find similar
Delta
Nov 22
DTW5:54 pmDetroit Metropolitan Wayne County
8h 26m
1 stop
SEA11:20 pmSeattle/Tacoma Intl
Dec 7
SEA6:00 amSeattle/Tacoma Intl
6h 26m
1 stop
DTW3:26 pmDetroit Metropolitan Wayne County
$267
Find similar

Frontier flights from Detroit to Seattle

Our best Frontier deals on Detroit to Seattle flight tickets
Frontier
Oct 25
DTW7:55 amDetroit Metropolitan Wayne County
26h 38m
1 stop
SEA7:33 amSeattle/Tacoma Intl
Oct 30
SEA9:22 pmSeattle/Tacoma Intl
12h 36m
1 stop
DTW12:58 pmDetroit Metropolitan Wayne County
$265
Find similar
Frontier
Oct 26
DTW6:00 amDetroit Metropolitan Wayne County
28h 33m
1 stop
SEA7:33 amSeattle/Tacoma Intl
Oct 30
SEA9:22 pmSeattle/Tacoma Intl
12h 36m
1 stop
DTW12:58 pmDetroit Metropolitan Wayne County
$269
Find similar
Frontier
Oct 27
DTW6:00 amDetroit Metropolitan Wayne County
9h 07m
1 stop
SEA12:07 pmSeattle/Tacoma Intl
Nov 6
SEA1:08 pmSeattle/Tacoma Intl
24h 11m
1 stop
DTW4:19 pmDetroit Metropolitan Wayne County
$270
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated October 9, 2025.
Use the filters below to find and compare flights from Detroit to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 11/21

7:00 am-12:55 pm

1 stop8h 55m

Seattle/Tacoma Intl

Mon 11/24

10:19 am-11:19 pm

1 stop10h 00m

$257

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Mon 11/10

4:51 pm-6:54 pm

Nonstop5h 03m

Seattle/Tacoma Intl

Fri 11/14

8:40 am-3:55 pm

Nonstop4h 15m

$258

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 2/28

8:10 pm-10:25 pm

Nonstop5h 15m

Seattle/Tacoma Intl

Sun 3/8

11:05 pm-6:28 am

Nonstop4h 23m

$259

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 11/4

6:55 pm-12:07 pm

2 stops20h 12m

Seattle/Tacoma Intl

Sat 11/8

8:22 pm-11:58 am

1 stop12h 36m

$260

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 12/19

6:40 am-8:49 am

Nonstop5h 09m

Seattle/Tacoma Intl

Wed 12/24

8:30 am-3:56 pm

Nonstop4h 26m

$262

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 10/25

7:55 am-7:33 am

1 stop26h 38m

Seattle/Tacoma Intl

Thu 10/30

9:22 pm-12:58 pm

1 stop12h 36m

$265

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 11/7

5:33 am-10:25 am

1 stop7h 52m

Seattle/Tacoma Intl

Fri 11/7

12:41 am-10:56 am

1 stop7h 15m

$268

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sun 10/26

6:00 am-7:33 am

1 stop28h 33m

Seattle/Tacoma Intl

Thu 10/30

9:22 pm-12:58 pm

1 stop12h 36m

$269

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Fri 11/7

4:51 pm-6:54 pm

Nonstop5h 03m

Seattle/Tacoma Intl

Fri 11/14

8:40 am-3:55 pm

Nonstop4h 15m

$279

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 11/8

11:00 am-6:00 pm

2 stops10h 00m

Seattle/Tacoma Intl

Mon 11/10

12:00 pm-10:17 pm

1 stop7h 17m

$289

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Detroit to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Detroit and Seattle?

What is the cheapest month to fly to Seattle?

In general, January is the cheapest month to fly from Detroit to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $297. If you don’t want to visit Seattle in January, then you should wait until February to fly from Detroit, when ticket prices are also cheap, with an average price of $307.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Detroit is on a Friday. momondo users have found tickets for Friday departures for as low as $492. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Detroit because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $571.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Detroit in the evening is the least expensive time of day to depart. momondo users have found prices as low as $368 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $557. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Detroit to Seattle/Tacoma Intl flight route?

Fly from Detroit Metropolitan Wayne County to Seattle/Tacoma Intl for the best Detroit - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $378 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Detroit for as low as $347 on momondo.

What cabin class options are available on Detroit to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Detroit to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Detroit to Seattle flights?

No. A direct flight is the cheapest option for a flight between Detroit to Seattle.

How have Detroit to Seattle flight prices changed over time?

As of October 2025, prices for Detroit to Seattle flights are approximately 46% more expensive when compared to flights at the same time last year.

When to book flights from Detroit to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Detroit to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Detroit to Seattle (DTT to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Detroit to Seattle

Best Price Found

$259

Fastest flight time

4h 58m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Detroit in the past 72 hours is $259. The best round-trip flight deal from Detroit to Seattle found on momondo in the last 72 hours is $342.
The fastest flight from Detroit to Seattle takes 4h 58m
Direct flights go from Detroit to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
Search flight deals

  • How far is Detroit to Seattle/Tacoma Intl by plane?

    A flight from Detroit to Seattle/Tacoma Intl will travel around 1931.7 mi. Typically, this will take 5h 03m by plane in normal conditions.

  • When did momondo last update prices for flights from Detroit to Seattle/Tacoma Intl Airport?

    Prices for flights from Detroit to Seattle/Tacoma Intl Airport are updated daily.

  • How many operators does momondo search for flights from Detroit to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Detroit to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Detroit to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Detroit to Seattle?

  • What is the most popular airline from Detroit to Seattle?

Best airlines flying from Detroit to Seattle

Compare and see reviews for airlines that fly from Detroit to Seattle with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $127Free CancellationRating
5.8
3,144 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $130Free CancellationRating
6.3
8,082 reviews
Search Spirit Airlines flights
Sun Country AirPriceFrom $133Free CancellationRating
6.9
335 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
11,041 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom $178Free CancellationRating
7.8
2,773 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $222Free CancellationRating
8.0
4,237 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $255Free CancellationRating
8.0
11,044 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
8,965 reviews
Search United Airlines flights
DeltaPriceFrom $257Free CancellationRating
7.9
7,968 reviews
Search Delta flights

  • Alaska Airlines Flights From Detroit to Seattle

    Alaska Airlines flies from Detroit to Seattle around 7 times per week, with 11,044 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Detroit to Seattle in the last 72 hours was $255 (round-trip), much lower than the average airfare cost of $401 for Alaska Airlines flights on this route.

  • Delta Flights From Detroit to Seattle

    Delta (7.9/10 from 7,968 reviews) operates around 27 flights from Detroit to Seattle in any given week. The average Delta airfare for this route is around $411, with deals from around $257 rare but found on momondo. Referenced prices are for round-trip Detroit to Seattle flight searches in the last 72 hours.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Federal Way
Tukwila
Kirkland
Fife
Centralia
Lakewood
Shoreline
Cle Elum
Redmond
Westport

Why use momondo?

Why should I use momondo to find a flight deal from Detroit to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Detroit.

Can I find flights from Detroit to Seattle with flexible booking policies on momondo?

Flights from Detroit to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Detroit to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Detroit to Seattle.

I’m not ready to book a flight from Detroit to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Detroit and alert you when they change.

An easier way to manage your Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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