Find Cheap Flights from Detroit to Seattle (DTT - SEA)

Flights overview

Useful information for finding cheap flights from Detroit to Seattle and booking your next trip

Cheapest round-trip flights	$230	Frontier 1 stop 29 hr Mon, Jul 20 — Wed, Jul 29	The cheapest round-trip flight from Detroit to Seattle is currently $230
Cheapest one-way flight	$111	Frontier 1 stop 29 hr Wed, Jul 29	The cheapest one-way flight from Detroit to Seattle is currently $111
Cheapest nonstop flights	$387	Delta Nonstop 5 hr Thu, May 28 — Wed, Jun 3	The cheapest nonstop round-trip flight from Detroit to Seattle is currently $387
Last-minute weekend getaway	$335	Frontier 1 stop 24 hr Thu, May 7 — Sun, May 10	The cheapest last-minute weekend getaway from Detroit to Seattle is currently $335
Cheapest business class flights	$488	Frontier 1 stop 29 hr Thu, Jul 30 — Wed, Aug 5	The cheapest business class round-trip flight from Detroit to Seattle is currently $488

Fastest flight	4 hr 50 min	The fastest nonstop flight from Detroit to Seattle takes 4 hr 50 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Detroit to Seattle is typically September. The most expensive month to fly is typically July.

September Cheapest	Typical prices: $150–280
July Most expensive	Typical prices: $260–330

Popular airlines from Detroit to Seattle

Delta

Nonstop

from $387

Typical price: $260–640

31 weekly nonstop flights

DTW - SEA Every day

382 weekly connecting flights

DTW - SEA Every day
Alaska

Nonstop

from $387

Typical price: $285–670

14 weekly nonstop flights

DTW - SEA Every day
American

from $407

Typical price: $280–640

202 weekly connecting flights

DTW - SEA Every day
United

from $397

Typical price: $280–610

189 weekly connecting flights

DTW - SEA Every day
Southwest

from $437

Typical price: $335–650

49 weekly connecting flights

DTW - SEA Every day
Frontier

from $230

Typical price: $220–495

18 weekly connecting flights

DTW - SEA Every day

Popular airports near Detroit

Detroit Metropolitan Wayne County Airport (DTW)

Detroit United States 27 min 17 mi
Toronto Pearson International Airport (YYZ)

Toronto Canada 3 hr 31 min 196 mi
Windsor International Airport (YQG)

Windsor Canada 25 min 6 mi
Cleveland Hopkins International Airport (CLE)

Cleveland United States 2 hr 26 min 88 mi

Popular airports near Seattle

Seattle-Tacoma International Airport (SEA)

Seattle United States 18 min 11 mi
Portland International Airport (PDX)

Portland United States 2 hr 44 min 140 mi
Paine Field (PAE)

Everett United States 31 min 21 mi
King County International Airport - Boeing Field (BFI)

Seattle United States 11 min 5 mi

Frequently asked questions about flying from Detroit to Seattle

The cheapest flights from Detroit to Seattle are usually in September. Typical ticket prices in September range from $150 to $280.

The cheapest round-trip flight from Detroit to Seattle recently found on Google Flights was with Frontier from $230. The cheapest one-way flight was with Frontier from $111.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Delta flight from Detroit to Seattle is $387, flying from May 28 to Jun 3.
The cheapest Alaska flight from Detroit to Seattle is $387, flying from May 28 to Jun 3.
The cheapest American flight from Detroit to Seattle is $407, flying from May 28 to Jun 3.
The cheapest United flight from Detroit to Seattle is $397, flying from May 30 to Jun 6.
The cheapest Southwest flight from Detroit to Seattle is $437, flying from Jul 30 to Aug 5.
The cheapest Frontier flight from Detroit to Seattle is $230, flying from Jul 20 to Jul 29.

The cheapest round-trip flight from Detroit to Seattle starts at $230 from Mon, Jul 20 to Wed, Jul 29. The cheapest one-way flight starts at $111 and departs on Wed, Jul 29.

4 hr 50 min is the shortest flight time from Detroit to Seattle.

Most visitors come May–Sep, a period encompassing events such as the Seattle International Film Festival (May); Seafair (Jul), a summer festival including boat races, marathons and parades; and Bumbershoot (Sep), an international music and arts festival. Rainy season is Nov–May, though rain is possible year-round.

It's easy to use Google Flights to find the cheapest days to fly from Detroit to Seattle.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Detroit to Seattle really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Detroit to Seattle.

In terms of nonstop flights, Delta is the most popular. Delta offers 31 nonstop flights and 382 connecting flights per week. Delta flies from Detroit Metropolitan Wayne County Airport (DTW) to Seattle-Tacoma International Airport (SEA) .

Other popular airlines flying from Detroit to Seattle are:

Alaska offers 14 nonstop flights per week. Alaska flies from Detroit Metropolitan Wayne County Airport (DTW) to Seattle-Tacoma International Airport (SEA) .
American offers 202 connecting flights per week. American flies from Detroit Metropolitan Wayne County Airport (DTW) to Seattle-Tacoma International Airport (SEA) .
United offers 189 connecting flights per week. United flies from Detroit Metropolitan Wayne County Airport (DTW) to Seattle-Tacoma International Airport (SEA) .
Southwest offers 49 connecting flights per week. Southwest flies from Detroit Metropolitan Wayne County Airport (DTW) to Seattle-Tacoma International Airport (SEA) .
Frontier offers 18 connecting flights per week. Frontier flies from Detroit Metropolitan Wayne County Airport (DTW) to Seattle-Tacoma International Airport (SEA) .

The number of connecting flights refers to distinct flights with at least one stop between Detroit and Seattle.

The cheapest round-trip flight from Detroit to Seattle recently found on Google Flights was with Frontier from $230. The cheapest one-way flight was with Frontier from $111.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest Delta flight from Detroit to Seattle is $387, flying from May 28 to Jun 3.
The cheapest Alaska flight from Detroit to Seattle is $387, flying from May 28 to Jun 3.
The cheapest American flight from Detroit to Seattle is $407, flying from May 28 to Jun 3.
The cheapest United flight from Detroit to Seattle is $397, flying from May 30 to Jun 6.
The cheapest Southwest flight from Detroit to Seattle is $437, flying from Jul 30 to Aug 5.
The cheapest Frontier flight from Detroit to Seattle is $230, flying from Jul 20 to Jul 29.

Delta and Alaska fly direct from Detroit to Seattle.

There are 31 Delta direct flights from Detroit to Seattle per week. Flights are available every day.
There are 14 Alaska direct flights from Detroit to Seattle per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Detroit and Seattle at price $335 is offered by Frontier from Thu, May 7 to Sun, May 10.

Delta and Alaska fly direct from Detroit to Seattle.

There are 31 Delta direct flights from Detroit to Seattle per week. Flights are available every day.
There are 14 Alaska direct flights from Detroit to Seattle per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Detroit to Seattle on a daily basis.

The cheapest direct (nonstop) round-trip flights between Detroit and Seattle start at $387 from Thu, May 28 to Wed, Jun 3 with Delta.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Detroit to Seattle, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Detroit and Seattle start at $488 from Thu, Jul 30 to Wed, Aug 5 with Frontier.

The cheapest economy class round-trip flights between Detroit and Seattle start at $230 from Mon, Jul 20 to Wed, Jul 29.

To book business class trips from Detroit to Seattle, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Detroit and Seattle starts at $335 from Thu, May 7 to Sun, May 10 with Frontier.

The cheapest last-minute deal between Detroit and Seattle at price $335 is offered by Frontier from Thu, May 7 to Sun, May 10.

To find last-minute flight deals from Detroit to Seattle, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.