Cheap flights from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport
DTW — IAD
27 Feb — 6 Mar1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Detroit Metropolitan Wayne County to Washington, D.C. Dulles Intl are usually found in July or September, booked 42 days in advance, depart on a Wednesday or Sunday and return on a Monday
Find flight deals from Detroit to Dulles Intl
Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTW) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 January 2026.
Popular in
December
Cheapest in
July
Average price
C$ 346
Good round-trip deal
C$ 810 or less
Highest demand for flights based on searches. 4% potential increase in price (C$ 21 potential increase over avg. RT price).
Best time to book a flight from Detroit to Dulles Intl
Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Detroit with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport
Prices
Airlines
How far ahead should I book a flight from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from Detroit to Dulles Intl. Price data was last updated on 23 January 2026.
Booking 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport?
Currently, July is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport (average of C$ 145). Flying from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from DTW to IAD?
Find hourly flight availability from Detroit to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 January 2026.
It’s optimal to fly from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport in the afternoon. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight in the evening.
Weekly flight availability from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport
Explore weekly flight availability from Detroit to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 28 January 2026.
The most flights from DTW to IAD are scheduled on a Monday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).
Related info for your journey
Find useful and relevant information for your journey from Detroit to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly from for flights from Detroit to Washington, D.C. Dulles Intl?
Detroit Metropolitan Wayne County (DTW), located 27.8 km from the city centre, is the airport you fly out of when you book flights from Detroit to Washington, D.C. Dulles Intl. 0 airlines have flights from Detroit Metropolitan Wayne County to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Detroit Metropolitan Wayne County to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 16 outbound flights to Washington, D.C. Dulles Intl per day.
What are the most reliable airlines from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport?
Consider ANA (90%), Republic Airways (84%) or Mesa Airlines (84%) when booking your flight. These represent the most reliable airlines when flying from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport.
Can I find deals for flights from Detroit to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Detroit to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Detroit to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Dulles Intl.
Can I find deals for business class flights from Detroit to Dulles Intl?
Yes. Cheapflights offers flight deals from Detroit to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport?
Currently, July is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport (average of C$ 145). Flying from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 28 January 2026.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Detroit to Dulles Intl?
Cheapflights makes it easy to find Detroit to Dulles Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Detroit to Dulles Intl?
Cheapflights simply makes it quick and affordable to book flights from Detroit to Dulles Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Detroit to Dulles Intl with no change fees?
Certainly. Search results for flights to Dulles Intl from Detroit shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Detroit to Dulles Intl become cheaper?
Not ready to book yet? You can track prices for flights from Detroit to Dulles Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyze navigation, to offer and measure personalized advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review and update your choices anytime by clicking the ’Privacy Preferences’ link in the page side navigation.