$91 Cheap Flights from Seattle (SEA) to Detroit (DTW)

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Find available prices by choosing your travel dates.

Cheap Flights from Seattle to Detroit (SEA-DTW)

Prices were available within the past 7 days and start at $91 for one-way flights and $176 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Frontier Airlines
Frontier Airlines
Spirit Airlines
Spirit Airlines
Frontier Airlines
Spirit Airlines
American Airlines
Southwest Airlines
United
Flights from Seattle (SEA) to Detroit (DTW)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Detroit Metropolitan Wayne County
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$176
Distance
1921 mi

Seattle to Detroit Flights

The cheapest times to fly from Seattle to Detroit

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 Seattle to Detroit are during the month of May. You can find some of the cheapest flights from Seattle to Detroit with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Seattle to Detroit

Sunday is one of the best days to book for cheap flights from Seattle to Detroit: 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 Seattle to Detroit

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 Seattle to Detroit in 2025. You can also book with separate airlines for your outbound and return journeys, from $91 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 Seattle to Detroit 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 Seattle to Detroit 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.

Frequently asked questions

How long does it take to fly from Sea-Tac Airport to Detroit Metropolitan Wayne County Airport (DTW)?
Book a seat with Delta Air Lines and you can expect to be in the air for approximately 4 hours and 10 minutes. This reputable carrier operates a direct flight that leaves at 6:10AM from Seattle - Tacoma Intl. Airport (SEA) and touches down at DTW at 1:20PM. Expedia has flight deals that’ll get you soaring, so find out what’s on offer on this route today.
Is it cheaper to buy a plane ticket from SEA to DTW last minute?
Being the spontaneous type is a fantastic way to travel the world, but it’s not necessarily the cleverest way to nab a bargain flight. Think about booking your SEA to Detroit Metropolitan Wayne County Airport (DTW) journey well ahead of time rather than leaving it to the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. We recommend saving that spontaneity for when you’re discovering Detroit Metropolitan Wayne County Airport (DTW)!
What airline has the least delays from Sea-Tac Airport to Detroit Metro Airport?
Recording an on-time performance of 88%, Delta Air Lines is the airline that’s more likely to get you from SEA to Metro Airport without any travel delays. Flight delays aren’t just an annoyance — they can also lead you to missing a connection or even ruin your vacation. You can stay updated by checking your flight status through the free Expedia App well before you get to the airport. If you’re already at the terminal and you’re worried about the knock-on effects, visit the customer service desk to work out your next move.
What airports do you fly into for Detroit from Seattle?
From Seattle, you can journey to Detroit through Detroit Metropolitan Wayne County Airport (DTW), Windsor Airport (YQG) and Toledo Express Airport (TOL). Do some research into which terminal is the most convenient for you before you make a decision. If you go with Detroit Metropolitan Wayne County Airport (DTW), it’s roughly 17 mi southwest of downtown. Use the dough you save when booking your fare with Expedia to check out the city’s top sights, such as Detroit Institute of Arts and Motown Museum.
What are the most popular departure times for flights from SEA to DTW?
Between 11:00 AM - 12:00 PM is when you’ll find the most Delta Air Lines flights jetting off from Sea-Tac Airport to Metro Airport. Our handy tip? Book a trip that departs in the morning. With air traffic yet to build up around airports, your odds of traveling on a delay-free flight are better.
Can I change the date of my flight from Sea-Tac Airport to Metro Airport?
We know plans can get upended, so Expedia is here to help make amending your journey as easy as possible. To start, access your Seattle - Tacoma Intl. Airport (SEA) to DTW itinerary through the Expedia Trips portal and browse the fare rules and restrictions regarding changes. If you booked in the last 24 hours, some airlines will allow you to cancel for free and organize new flights. If you booked more than 24 hours ago, get in touch with us through our Customer Service portal to run through your options.

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