$70 Cheap Flights from Detroit (DTW) to Seattle (SEA)

View $70 flight on Sat, Jan 17, 2026Opens in a new window

Popular airlines from Detroit Metropolitan Wayne County Airport (DTW) to Seattle-Tacoma International Airport (SEA)

Today's featured flight deals from Detroit Metropolitan Wayne County Airport (DTW) to Seattle-Tacoma International Airport (SEA)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Detroit to Seattle (DTW-SEA)

Prices were available within the past 7 days and start at $70 for one-way flights and $140 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Wed, Jan 14 - Sat, Jan 24
DTW
Detroit
SEA
Seattle
$140 Roundtrip, found 4 hours ago
$140
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Wed, Jan 14 from Detroit to Seattle, returning Sat, Jan 24, priced at $140 found 4 hours ago
Southwest Airlines
Mon, Jan 12 - Wed, Jan 21
DTW
Detroit
SEA
Seattle
$147 Roundtrip, found 6 hours ago
$147
Roundtrip
found 6 hours ago
Select Southwest Airlines flight, departing Mon, Jan 12 from Detroit to Seattle, returning Wed, Jan 21, priced at $147 found 6 hours ago
Southwest Airlines
Mon, Jan 5 - Thu, Jan 15
DTW
Detroit
SEA
Seattle
$154 Roundtrip, found 4 hours ago
$154
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Mon, Jan 5 from Detroit to Seattle, returning Thu, Jan 15, priced at $154 found 4 hours ago
Southwest Airlines
Wed, Feb 11 - Wed, Feb 18
DTW
Detroit
SEA
Seattle
$160 Roundtrip, found 2 days ago
$160
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, Feb 11 from Detroit to Seattle, returning Wed, Feb 18, priced at $160 found 2 days ago
Southwest Airlines
Sun, Jan 18 - Wed, Jan 28
DTW
Detroit
SEA
Seattle
$162 Roundtrip, found 4 hours ago
$162
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Sun, Jan 18 from Detroit to Seattle, returning Wed, Jan 28, priced at $162 found 4 hours ago
Southwest Airlines
Tue, Feb 3 - Tue, Feb 10
DTW
Detroit
SEA
Seattle
$162 Roundtrip, found 2 days ago
$162
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Tue, Feb 3 from Detroit to Seattle, returning Tue, Feb 10, priced at $162 found 2 days ago
American Airlines
Wed, Dec 10 - Sat, Dec 13
DTW
Detroit
SEA
Seattle
$174 Roundtrip, found 6 hours ago
$174
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Wed, Dec 10 from Detroit to Seattle, returning Sat, Dec 13, priced at $174 found 6 hours ago
Hawaiian Airlines
Tue, Jan 6 - Sat, Jan 17
DTW
Detroit
SEA
Seattle
$179 Roundtrip, found 6 hours ago
$179
Roundtrip
found 6 hours ago
Select Hawaiian Airlines flight, departing Tue, Jan 6 from Detroit to Seattle, returning Sat, Jan 17, priced at $179 found 6 hours ago
Delta
Sat, Jan 17 - Tue, Jan 27
DTW
Detroit
SEA
Seattle
$179 Roundtrip, found 2 hours ago
$179
Roundtrip
found 2 hours ago
Select Delta flight, departing Sat, Jan 17 from Detroit to Seattle, returning Tue, Jan 27, priced at $179 found 2 hours ago
Alaska Airlines
Mon, Jan 5 - Sat, Jan 10
DTW
Detroit
SEA
Seattle
$181 Roundtrip, found 15 hours ago
$181
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Mon, Jan 5 from Detroit to Seattle, returning Sat, Jan 10, priced at $181 found 15 hours ago

Find the cheapest month to fly from Detroit (DTW) to Seattle (SEA)

January is typically the cheapest month to fly

From $127 - $367 per traveler.

Frequently asked questions

How much does a flight from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA) cost?
Lock in a cheap one-way flight from $70 or cheap return flight from $140 from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA)?
January is the least expensive month to fly from DTW to SEA. Timing your trip outside of the busy season is often the key to finding better fares.
Which airlines fly direct from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA)?
Take a direct flight with Delta Air Lines and fly straight from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA).
What is the cheapest airline that flies from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA)?
While prices can change depending on when you travel, Alaska Airlines and Delta Air Lines are popular options for flights between Detroit Metropolitan Wayne County Airport (DTW) and Seattle - Tacoma Intl. Airport (SEA). You can also compare airlines on Expedia and use the "Sort by" filter to find the best deal for your DTW to SEA flight.
How many flights per day from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA)?
With an average of 3 nonstop flights departing from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA) each day, you'll be cruising above the clouds before you know it.
What are the most popular departure times for flights from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA)?
More people fly between DTW and SEA at 8 AM than at any other time. Looking to skip the crowds? Consider flying outside peak hours and you could save on your fare as well.
What day of the week has the most flights from DTW to SEA?
If you depart on a Wednesday, you'll get the widest range of options for flights from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA).
What is the earliest flight from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA)?
The earliest flight taking off from Detroit Metropolitan Wayne County Airport (DTW) is at around 8:25AM UTC-5. Board this plane and you'll arrive at Seattle - Tacoma Intl. Airport (SEA) at approximately 10:45AM UTC-8. The overall travel time is 5h 20m.
How long does it take to fly from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA)?
It takes around 5 hours and 14 minutes to cover the 1,900 mi from DTW to SEA.
What airline has the least delays from DTW to SEA?
With 100% of journeys usually arriving on schedule, American Airlines has the best on-time performance for nonstop flights from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA). To check your flight status and get notified about any changes, use the Expedia App.
What is the best time to fly from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA)?
To reach Seattle - Tacoma Intl. Airport (SEA) on schedule, pick a flight that leaves from Detroit Metropolitan Wayne County Airport (DTW) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Seattle from Detroit Metropolitan Wayne County Airport (DTW)?
Check out your flight options from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA). This is the only airport in Seattle you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Last-minute bookings from DTW to SEA are generally more expensive. For the lowest prices, start looking for flights ahead of time. That being said, if your travel plans are flexible, it's possible to find a cheap fare just before your departure.
Is it cheaper to book a DTW to SEA flight and hotel package?
Compared with arranging hotels and flights separately, booking a DTW to SEA flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the stress out of planning your trip. Simply pick your flights and choose from our extensive range of hotels, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA)?
If you reserved your DTW to SEA flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Detroit Metropolitan Wayne County
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, Sun Country Airlines, United
Roundtrip price
$139
Distance
1921 mi
Average flight time
2 hours 1 min

Book with confidence

Detroit to Seattle Flights

The cheapest times to fly from Detroit to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Detroit to Seattle are during the month of January. You can find some of the cheapest flights from Detroit to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Detroit to Seattle

Sunday is one of the best days to book for cheap flights from Detroit to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Detroit to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Detroit to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $70 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Detroit to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Detroit to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Detroit to Seattle Flights

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*Available to One Key members.