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Cheap flights from Detroit to Seattle from $81

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 8/5. 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

Spirit Airlines Logo
9:59 am - 4:25 pmDTW-SEA
9h 26m1 stop
Spirit Airlines Logo
5:30 pm - 7:04 amSEA-DTW
10h 34m1 stop
$181Spirit Airlines
Find Deal
Wed, Jul 30 - Wed, Aug 6
Southwest Logo
3:30 pm - 9:50 pmDTW-SEA
9h 20m1 stop
Southwest Logo
10:10 am - 9:25 pmSEA-DTW
8h 15m1 stop
$184Southwest
Find Deal
Sat, Sep 13 - Wed, Sep 17
American Airlines Logo
3:12 pm - 11:41 pmDTW-SEA
11h 29m1 stop
American Airlines Logo
12:46 am - 2:42 pmSEA-DTW
10h 56m1 stop
$185American Airlines
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Tue, Aug 19 - Mon, Aug 25
American Airlines Logo
4:00 pm - 11:41 pmDTW-SEA
10h 41m1 stop
American Airlines Logo
6:10 am - 9:55 pmSEA-DTW
12h 45m1 stop
$186American Airlines
Find Deal
Sat, Aug 23 - Sat, Aug 30
Southwest Logo
12:45 pm - 8:30 pmDTW-SEA
10h 45m1 stop
Southwest Logo
7:35 am - 9:45 pmSEA-DTW
11h 10m2 stops
$189Southwest
Find Deal
Sat, Sep 13 - Sat, Sep 20
Spirit Airlines Logo
9:59 am - 4:25 pmDTW-SEA
9h 26m1 stop
Spirit Airlines Logo
5:30 pm - 7:04 amSEA-DTW
10h 34m1 stop
$191Spirit Airlines
Find Deal
Tue, Aug 5 - Wed, Aug 6
Frontier Logo
11:44 am - 6:59 pmDTW-SEA
10h 15m1 stop
Frontier Logo
12:40 pm - 12:44 amSEA-DTW
9h 04m1 stop
$205Frontier
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Fri, Aug 15 - Sat, Aug 23
Frontier Logo
11:44 am - 6:59 pmDTW-SEA
10h 15m1 stop
Frontier Logo
6:25 am - 4:20 pmSEA-DTW
6h 55m1 stop
$215Frontier
Find Deal
Fri, Aug 8 - Sat, Aug 16
Logo
9:59 am - 4:25 pmDTW-SEA
9h 26m1 stop
Logo
6:25 am - 4:20 pmSEA-DTW
6h 55m1 stop
$224
Find Deal
Tue, Aug 5 - Tue, Aug 12
Logo
9:59 am - 4:25 pmDTW-SEA
9h 26m1 stop
Logo
6:25 am - 4:20 pmSEA-DTW
6h 55m1 stop
$244
Find Deal
Wed, Aug 6 - Wed, Aug 13

Frontier flights from Detroit to Seattle

Our best Frontier deals on Detroit to Seattle flight tickets
Frontier
Aug 15
DTW11:44 amDetroit Metropolitan Wayne County
10h 15m
1 stop
SEA6:59 pmSeattle/Tacoma Intl
Aug 23
SEA12:40 pmSeattle/Tacoma Intl
9h 04m
1 stop
DTW12:44 amDetroit Metropolitan Wayne County
$205
Find similar
Frontier
Aug 8
DTW11:44 amDetroit Metropolitan Wayne County
10h 15m
1 stop
SEA6:59 pmSeattle/Tacoma Intl
Aug 16
SEA6:25 amSeattle/Tacoma Intl
6h 55m
1 stop
DTW4:20 pmDetroit Metropolitan Wayne County
$215
Find similar
Frontier
Aug 16
DTW7:15 amDetroit Metropolitan Wayne County
14h 31m
1 stop
SEA6:46 pmSeattle/Tacoma Intl
Aug 24
SEA6:17 amSeattle/Tacoma Intl
25h 42m
1 stop
DTW10:59 amDetroit Metropolitan Wayne County
$218
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American Airlines flights from Detroit to Seattle

Our best American Airlines deals on Detroit to Seattle flight tickets
American Airlines
Aug 19
DTW3:12 pmDetroit Metropolitan Wayne County
11h 29m
1 stop
SEA11:41 pmSeattle/Tacoma Intl
Aug 25
SEA12:46 amSeattle/Tacoma Intl
10h 56m
1 stop
DTW2:42 pmDetroit Metropolitan Wayne County
$185
Find similar
American Airlines
Aug 23
DTW4:00 pmDetroit Metropolitan Wayne County
10h 41m
1 stop
SEA11:41 pmSeattle/Tacoma Intl
Aug 30
SEA6:10 amSeattle/Tacoma Intl
12h 45m
1 stop
DTW9:55 pmDetroit Metropolitan Wayne County
$186
Find similar
American Airlines
Sep 12
DTW9:36 amDetroit Metropolitan Wayne County
10h 53m
1 stop
SEA5:29 pmSeattle/Tacoma Intl
Sep 17
SEA6:05 amSeattle/Tacoma Intl
9h 42m
1 stop
DTW6:47 pmDetroit Metropolitan Wayne County
$198
Find similar

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, October 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 $296. If you don’t want to visit Seattle in October, then you should wait until January to fly from Detroit, when ticket prices are also cheap, with an average price of $297.

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 Wednesday. momondo users have found tickets for Wednesday departures for as low as $493. 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 $579.

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 $372 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $559. 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 $379 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 $345 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 July 2025, prices for Detroit to Seattle flights are approximately 11% cheaper 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

$81

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 $81. The best round-trip flight deal from Detroit to Seattle found on momondo in the last 72 hours is $181.
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)
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  • 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 6h 35m 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 $128Free CancellationRating
5.9
3,271 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $130Free CancellationRating
6.3
8,055 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
10,000 reviews
Search American Airlines flights
Hawaiian AirlinesPriceFrom $171Free CancellationRating
7.8
2,562 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $256Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
DeltaPriceFrom $257Free CancellationRating
8.0
7,951 reviews
Search Delta flights
United AirlinesPriceFrom $271Free CancellationRating
7.4
8,846 reviews
Search United Airlines flights

  • Alaska Airlines Flights From Detroit to Seattle

    Alaska Airlines flies from Detroit to Seattle around 3 times per week, with 10,000 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Detroit to Seattle in the last 72 hours was $256 (round-trip), much lower than the average airfare cost of $399 for Alaska Airlines flights on this route.

  • Delta Flights From Detroit to Seattle

    Delta (8.0/10 from 7,951 reviews) operates around 35 flights from Detroit to Seattle in any given week. The average Delta airfare for this route is around $407, 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
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
Renton
Federal Way
Kent
Lynnwood
Puyallup
Marysville
Tukwila
Kirkland
Lakewood
Fife
Shoreline
Centralia
Cle Elum
Westport
Redmond

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

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