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Cheap flights from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport

DTW — IAD
11 oct. — 18 oct.1
1 adult
1 adult, Economy

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 Tuesday and return on a Monday

Cheap 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 11 septiembre 2025.

Popular in

November

Cheapest in

July

Average price

C$ 306

Good round-trip deal

C$ 614 or less

Good one-way deal

C$ 487 or less
Highest demand for flights based on searches. 3% potential increase in price (C$ 17 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Detroit Metropolitan Wayne County to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Detroit Metropolitan Wayne County to Washington, D.C. Dulles Intl.
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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

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 29 August 2025.

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, February 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$ 256). Flying from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). 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 11 septiembre 2025.

It’s optimal to fly from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport in the morning. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Detroit to Dulles Intl. Price data was last updated on 7 September 2025.

Travelers seeking maximum savings on their Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated 11 septiembre 2025.
Get a feel of what it's like to fly with Delta from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews
Check prices

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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. 1 airline 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 20 outbound flights to Washington, D.C. Dulles Intl per day.

  • What is the cheapest airline to fly from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport round-trip?

    Our cheapest airline available from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport is Delta. Our recent data shows that you can find tickets from as low as C$ 255 on this airline. Users have found that Delta is 26% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport?

    Consider Endeavor Airlines (91%), ANA (85%) or Republic Airways (83%) 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, February 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$ 256). Flying from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport in October is currently the most expensive (average of C$ 352). 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.

See more FAQs

Travelling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Herndon
Warrenton
Hanover
Reston
Fairfax
Ellicott City
Oxon Hill
Gaithersburg
Winchester
Arlington
Alexandria
Manassas
Fredericksburg
Rockville

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Top airline flying from Detroit to Dulles Intl

Discover the top airline that operate flights from Detroit to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 septiembre 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 255AverageC$ 262FlexibilityNo cancel feeOn-timeN/A
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Fly with Cheapflights

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.

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