$232 Cheap Delta flights Detroit (DTW) to Seattle (SEA)

View $232 flight on Wed, Oct 15, 2025Opens in a new window

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$232 Cheap Delta flights Detroit (DTW) to Seattle (SEA)

Prices were available within the past 7 days and start at $232 for one-way flights and $297 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Oct 15 - Sat, Oct 18
DTW
Detroit
SEA
Seattle
$297 Roundtrip, just found
$297
Roundtrip
just found
Select Delta flight, departing Wed, Oct 15 from Detroit to Seattle, returning Sat, Oct 18, priced at $297 just found
Delta
Wed, Oct 15 - Sat, Oct 18
DTW
Detroit
SEA
Seattle
$307 Roundtrip, just found
$307
Roundtrip
just found
Select Delta flight, departing Wed, Oct 15 from Detroit to Seattle, returning Sat, Oct 18, priced at $307 just found
Flights from Detroit (DTW) to Seattle (SEA)
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, Spirit Airlines, Sun Country Airlines, United
Popular airline
Alaska Airlines
Distance
1921 mi
Average flight time
1 hour 58 mins

Frequently asked questions

How much is a Delta Air Lines flight from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA)?
Finding cheap one-way Delta Air Lines flights from DTW to SEA from $232 on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $297 for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DTW to SEA with Delta Air Lines?
Browse for round-trip or one-way flights to Seattle in January or February. You could find a cheap fare with Delta Air Lines during these quieter months.
What is the cheapest time to book flights from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA) with Delta Air Lines?
Begin your search one to three months ahead of your departure date to score cheaper fares on Delta Air Lines flights from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA)?
You can easily fly from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA) on one of Delta Air Lines's 21 weekly direct flights. Use our "Nonstop" and "Airline" filters to find the Delta Air Lines flight that'll get you to SEA at a time that suits you.
How long does it take to fly from DTW to SEA with Delta Air Lines?
It takes approximately 5h 14m to travel nonstop from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA) with Delta Air Lines.
Which day of the week has the most Delta Air Lines flights from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA)?
If you're looking for flexibility, Tuesday offers the most choice for Delta Air Lines flights from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA). You can pick from 3 different departures.
What is the earliest Delta Air Lines flight from DTW to SEA?
The earliest flight from DTW to SEA with Delta Air Lines leaves at 8:25AM UTC-5. You'll touch down at 10:45AM UTC-8. The last Delta Air Lines flight of the day takes off at 8:40PM UTC-5 and arrives at 10:55PM UTC-8. With approximately 20% fewer cancellations for morning and mid-morning departures, beginning your travel day early is often the best option.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Seattle?
Delta Air Lines flights from Detroit Metropolitan Wayne County Airport (DTW) to Seattle come in to land at Seattle - Tacoma Intl. Airport (SEA). This is the main gateway to this destination.
Why fly with Delta Air Lines from DTW to SEA?
Jetting off from DTW to SEA with Delta Air Lines means enjoying a host of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can earn OneKeyCash™* to spend on select future travel purchases. That's in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does Delta Air Lines fly from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA)?
Delta Air Lines usually flies Boeing 737-900 planes for flights from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA). This airline also operates the Airbus A321neo on this route. Keep in mind that aircraft type can change due to operational reasons, so the plane you catch could be different on the day.
Can I change or cancel my Delta Air Lines flight from Detroit Metropolitan Wayne County Airport (DTW) to Seattle - Tacoma Intl. Airport (SEA)?
Changes are generally free within 24 hours of making your booking, but your airline may add a charge after that time. For more information about altering your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to change your itinerary without extra charges, apply the "Changes included" or "No cancel fee" filter when planning your next trip.

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