$94 Cheap Flights from Washington (IAD) to Detroit (DTW)

View $94 flight on Sat, Jun 7, 2025Opens in a new window

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Find available prices by choosing your travel dates.

Cheap Flights from Washington to Detroit (IAD-DTW)

Prices were available within the past 7 days and start at $94 for one-way flights and $179 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, May 27 - Sat, May 31
IAD
Washington
DTW
Detroit
$179 Roundtrip, found 2 hours ago
$179
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, May 27 from Washington to Detroit, returning Sat, May 31, priced at $179 found 2 hours ago
United
Sun, May 25 - Thu, May 29
IAD
Washington
DTW
Detroit
$179 Roundtrip, found 6 hours ago
$179
Roundtrip
found 6 hours ago
Select United flight, departing Sun, May 25 from Washington to Detroit, returning Thu, May 29, priced at $179 found 6 hours ago
Frontier Airlines
Thu, May 15 - Wed, Jun 4
IAD
Washington
DTW
Detroit
$180 Roundtrip, found 18 hours ago
$180
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Thu, May 15 from Washington to Detroit, returning Wed, Jun 4, priced at $180 found 18 hours ago
Delta
Fri, May 30 - Sat, May 31
IAD
Washington
DTW
Detroit
$182 Roundtrip, found 22 hours ago
$182
Roundtrip
found 22 hours ago
Select Delta flight, departing Fri, May 30 from Washington to Detroit, returning Sat, May 31, priced at $182 found 22 hours ago
Delta
Mon, May 26 - Sat, May 31
IAD
Washington
DTW
Detroit
$184 Roundtrip, found 2 hours ago
$184
Roundtrip
found 2 hours ago
Select Delta flight, departing Mon, May 26 from Washington to Detroit, returning Sat, May 31, priced at $184 found 2 hours ago
United
Sun, May 25 - Thu, May 29
IAD
Washington
DTW
Detroit
$186 Roundtrip, found 6 hours ago
$186
Roundtrip
found 6 hours ago
Select United flight, departing Sun, May 25 from Washington to Detroit, returning Thu, May 29, priced at $186 found 6 hours ago
Frontier Airlines
Tue, Jun 3 - Wed, Jun 4
IAD
Washington
DTW
Detroit
$188 Roundtrip, found 11 hours ago
$188
Roundtrip
found 11 hours ago
Select Frontier Airlines flight, departing Tue, Jun 3 from Washington to Detroit, returning Wed, Jun 4, priced at $188 found 11 hours ago
Delta
Tue, May 13 - Fri, May 30
IAD
Washington
DTW
Detroit
$189 Roundtrip, found 18 hours ago
$189
Roundtrip
found 18 hours ago
Select Delta flight, departing Tue, May 13 from Washington to Detroit, returning Fri, May 30, priced at $189 found 18 hours ago
Frontier Airlines
Fri, May 16 - Fri, May 30
IAD
Washington
DTW
Detroit
$190 Roundtrip, found 18 hours ago
$190
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Fri, May 16 from Washington to Detroit, returning Fri, May 30, priced at $190 found 18 hours ago
American Airlines
Wed, May 21 - Sat, May 31
IAD
Washington
DTW
Detroit
$251 Roundtrip, found 4 hours ago
$251
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, May 21 from Washington to Detroit, returning Sat, May 31, priced at $251 found 4 hours ago
Flights from Washington (IAD) to Detroit (DTW)
Origin airport
Washington Dulles Intl.
Destination airport
Detroit Metropolitan Wayne County
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$179
Distance
383 mi

Washington to Detroit Flights

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

The best time to book a flight from Washington to Detroit

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to Detroit in 2025. You can also book with separate airlines for your outbound and return journeys, from $94 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 Washington 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 Washington 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 much does a flight from Washington Dulles Intl. Airport (IAD) to Detroit Metropolitan Wayne County Airport (DTW) cost?
You can find affordable return tickets from Washington Dulles Intl. Airport (IAD) to Detroit Metropolitan Wayne County Airport (DTW) starting from $140. Grab your seat and be on your way. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United and Spirit Airlines flight leaving IAD on May 15 2025 and touching down at DTW. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from IAD to DTW?
The cheapest flights from IAD to DTW are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Detroit Metropolitan Wayne County Airport (DTW)?
When jetting out of Washington Dulles Intl. Airport (IAD), you can jump on a nonstop flight to Detroit Metropolitan Wayne County Airport (DTW) with Delta Air Lines.
What is the cheapest airline that flies from IAD to DTW?
Journey from IAD to DTW with United. This carrier currently has the cheapest one-way ticket on this route, starting from $90. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IAD on May 29 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Detroit Metropolitan Wayne County Airport (DTW)?
Each day on average, 5 nonstop flights take off from Washington Dulles Intl. Airport (IAD) to Detroit Metropolitan Wayne County Airport (DTW). Pick the departure time that best fits your schedule.
What are the most popular departure times for flights from Washington Dulles Intl. Airport (IAD) to Detroit Metropolitan Wayne County Airport (DTW)?
Flights between IAD and DTW are their busiest at 5 PM. For a more relaxed trip and possibly cheaper tickets, choose a time when demand is lower.
What day of the week has the most flights from IAD to DTW?
If you fly on a Friday, you’ll get the biggest range of options for flights from Washington Dulles Intl. Airport (IAD) to Detroit Metropolitan Wayne County Airport (DTW).
What is the earliest flight from Washington Dulles Intl. Airport (IAD) to Detroit Metropolitan Wayne County Airport (DTW)?
The earliest flight out of Washington Dulles Intl. Airport (IAD) is at around 6:00AM UTC-5. Catch this flight and you’ll reach Detroit Metropolitan Wayne County Airport (DTW) at approximately 7:44AM UTC-5. The total time in the air is 1h 44m.
How long does it take to fly from Washington Dulles Intl. Airport (IAD) to Detroit Metropolitan Wayne County Airport (DTW)?
The average flight time from IAD to DTW is 1 hour and 44 minutes, covering a distance of 380 mi.
What airline has the least delays from IAD to DTW?
Aeromexico has the best track record for on-time direct flights from Washington Dulles Intl. Airport (IAD) to Detroit Metropolitan Wayne County Airport (DTW), with an on-time rating of 89%. Use the Expedia App to look up your journey status before you head off and get notified of any changes.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Detroit Metropolitan Wayne County Airport (DTW)?
To avoid potential delays on the Washington Dulles Intl. Airport (IAD) to Detroit Metropolitan Wayne County Airport (DTW) route, aim to fly before 3 PM. Later flights are 22% more likely to be canceled.**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 Detroit from Washington Dulles Intl. Airport (IAD)?
If you’re taking a direct flight from Washington Dulles Intl. Airport (IAD) to Detroit, Detroit Metropolitan Wayne County Airport (DTW) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Detroit Metropolitan Wayne County Airport (DTW) last-minute?
Last-minute fares from IAD to DTW are usually more expensive. For the best rates, start searching for flights as soon as possible. That being said, if you’re flexible with your travel plans, it’s possible to land a cheap ticket right before your journey.
Is it cheaper to book an IAD to DTW flight and hotel package?
Booking an IAD to DTW flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our impressive range of stays and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Detroit Metropolitan Wayne County Airport (DTW)?
If you reserved your IAD to DTW flight in the last 24 hours, you may be able to cancel or modify 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 for more information.

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*Available to One Key members.