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

View AU$313 flight on Tue, 19 May 2026Opens in a new window

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 24 July - Tue, 28 July
DTW
Detroit
SEA
Seattle
AU$556 Return, found 1 day ago
AU$556
Return
found 1 day ago
Select Delta flight, departing Fri, 24 July from Detroit to Seattle, returning Tue, 28 July, priced at AU$556 found 1 day ago
American Airlines
Fri, 24 July - Tue, 28 July
DTW
Detroit
SEA
Seattle
AU$570 Return, found 1 day ago
AU$570
Return
found 1 day ago
Select American Airlines flight, departing Fri, 24 July from Detroit to Seattle, returning Tue, 28 July, priced at AU$570 found 1 day ago
American Airlines
Fri, 24 July - Tue, 28 July
DTW
Detroit
SEA
Seattle
AU$598 Return, found 1 day ago
AU$598
Return
found 1 day ago
Select American Airlines flight, departing Fri, 24 July from Detroit to Seattle, returning Tue, 28 July, priced at AU$598 found 1 day ago
Delta
Mon, 18 May - Sun, 24 May
DTW
Detroit
SEA
Seattle
AU$599 Return, found 1 day ago
AU$599
Return
found 1 day ago
Select Delta flight, departing Mon, 18 May from Detroit to Seattle, returning Sun, 24 May, priced at AU$599 found 1 day ago
United
Mon, 11 May - Fri, 15 May
DTW
Detroit
SEA
Seattle
AU$604 Return, found 6 days ago
AU$604
Return
found 6 days ago
Select United flight, departing Mon, 11 May from Detroit to Seattle, returning Fri, 15 May, priced at AU$604 found 6 days ago
Delta
Mon, 18 May - Sun, 24 May
DTW
Detroit
SEA
Seattle
AU$612 Return, found 1 day ago
AU$612
Return
found 1 day ago
Select Delta flight, departing Mon, 18 May from Detroit to Seattle, returning Sun, 24 May, priced at AU$612 found 1 day ago
Alaska Airlines
Fri, 24 July - Tue, 28 July
DTW
Detroit
SEA
Seattle
AU$613 Return, found 1 day ago
AU$613
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri, 24 July from Detroit to Seattle, returning Tue, 28 July, priced at AU$613 found 1 day ago
Delta
Fri, 24 July - Tue, 28 July
DTW
Detroit
SEA
Seattle
AU$621 Return, found 1 day ago
AU$621
Return
found 1 day ago
Select Delta flight, departing Fri, 24 July from Detroit to Seattle, returning Tue, 28 July, priced at AU$621 found 1 day ago
Alaska Airlines
Mon, 11 May - Fri, 15 May
DTW
Detroit
SEA
Seattle
AU$640 Return, found 6 days ago
AU$640
Return
found 6 days ago
Select Alaska Airlines flight, departing Mon, 11 May from Detroit to Seattle, returning Fri, 15 May, priced at AU$640 found 6 days ago
Delta
Fri, 24 July - Tue, 28 July
DTW
Detroit
SEA
Seattle
AU$649 Return, found 1 day ago
AU$649
Return
found 1 day ago
Select Delta flight, departing Fri, 24 July from Detroit to Seattle, returning Tue, 28 July, priced at AU$649 found 1 day ago

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

April is typically the cheapest month to fly

From AU$270 - AU$487 per traveller.

Frequently asked questions

How much does a flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.) cost?
One-way flights typically cost between $485 and $1,937 and return flights often range between $993 and $3,677. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
January is typically the cheapest month to fly from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.), with average return fares around 713 AUD. This is about 30% lower than the average price throughout the year. January sees lower prices because it falls after the holiday travel rush, when demand drops and airlines compete for bookings. Other cheap months to fly from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.) include February and April.
Which airlines fly direct from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Enter DTW to SEA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
To find a cheap flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The best airline to fly with from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will differ from traveller to traveller. If you like to fly early, DL offers early morning flights. If price is the most important factor, AS typically offers the lowest fares. DL offers the most daily flights from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
When planning your trip from Detroit Metropolitan Wayne County (DTW) to Seattle - Tacoma Intl. (SEA), you'll find that January and February are typically the cheapest months to fly, with average return flights around 713 AUD. However, the most popular months for this route are July and August, which means you'll have plenty of flight options during those times. Since the cheapest and most popular months don't overlap, you can decide what's most important for your trip: saving money in the winter or having more flexibility and potentially better weather in the summer. This information is based on booking data from the past year.
How many flights per day from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
There are approximately 5 nonstop flights per day from Detroit Metropolitan Wayne County (DTW) to Seattle - Tacoma Intl. (SEA). For even more choice, look at flights that include layovers, as there are around 137 connecting flights per day. Some common connection points include O'Hare Intl. (ORD), Hartsfield-Jackson Atlanta Intl. (ATL), and Denver Intl. (DEN).
What is the earliest flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The earliest flight from Detroit Metropolitan Wayne County (DTW) to Seattle - Tacoma Intl. (SEA) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in November. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
For flights from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.), you'll typically find the most options on a Thursday, with around 73 flights available. This gives you plenty of flight options to choose from. Major airlines on this route include Delta Air Lines, United Airlines, and American Airlines. When looking at the overall week, Thursday and Friday offer notably more flight options compared to other days, which tend to have fewer flights.
What are the most popular departure times for flights from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
The most popular departure times for flights from Detroit Metropolitan Wayne County (DTW) to Seattle - Tacoma Intl. (SEA) are in the early morning, from 6am to 9am. Around 35% of passengers reckon this time's best. Heaps of major carriers, including American Airlines, Alaska Airlines and Delta Air Lines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day and arrive in Seattle with plenty of time to settle in.
How long does it take to fly from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Flying nonstop from DTW to SEA takes around 5 hours, with the route covering approximately 1,922 miles. Flights with a layover typically take 4 hours 20 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
Select the "Business class" and "First class" filters when looking for DTW to SEA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
A direct, return business class ticket from Detroit, MI (DTW) to Seattle, WA (SEA) typically costs between 3428 AUD - 4726 AUD. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Anaa (AAA) (AAA) to Toronto, ON (YYZ-Pearson Intl.) (YYZ) if you opt for a connecting flight.
How do I earn miles on a Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight with Expedia?
It's easy to earn miles on a Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Seattle from Detroit Metropolitan Wayne County (DTW)?
From Detroit Metropolitan Wayne County (DTW), you can fly directly into Seattle - Tacoma Intl. (SEA) to reach Seattle. Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), O'Hare Intl. (ORD), Denver Intl. (DEN) before reaching Seattle. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.) at the last minute?
Typically, booking a last minute flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package?
Securing a Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.)?
If you booked your Detroit, MI (DTW-Detroit Metropolitan Wayne County) to Seattle, WA (SEA-Seattle - Tacoma Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, 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, United
Return price
AU$556
Distance
3074 km
Average flight time
1 hour 58 mins

Book with confidence

Your quick guide to flights from Detroit to Seattle

Pick up great flights from Detroit to Seattle

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Detroit to Seattle. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Detroit to Seattle that take around hours.

Find cheap flights from Detroit to Seattle

From the great flight deals with prices currently ranging from AU$556 to AU$649, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Detroit to Seattle around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Seattle is normally in July.

Reasons to book your flight from Detroit to Seattle with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Detroit to Seattle across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Seattle right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Detroit to Seattle

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