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Dulles Intl

$109+ Cheap flights from Detroit Metropolitan Wayne County Airport (DTW) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — IAD
Sep 4 — Sep 111
Fri 9/4
Fri 9/11
1 adult, Economy
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Find cheap flights from Detroit to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Detroit Metropolitan Wayne County to Washington, D.C. Dulles Intl are usually found in September or November, booked 57 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Detroit to Dulles Intl

Cheapest flights from Detroit to Dulles Intl
Explore the most affordable flight options available from Detroit to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 5, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:38 pm -
1 stop8h 50m
Tue 10/206:46 pm -
1 stop18h 21m
Deal found 7/30$158
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:58 pm -
1 stop16h 45m
Mon 8/316:09 pm -
1 stop23h 13m
Deal found 7/31$160
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:00 am -
1 stop9h 21m
Tue 10/137:00 am -
1 stop7h 43m
Deal found 8/3$162
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:46 pm -
1 stop26h 06m
Mon 10/56:13 pm -
1 stop29h 14m
Deal found 7/31$164
This Expedia deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:37 pm -
1 stop27h 07m
Thu 9/36:20 am -
1 stop7h 19m
Deal found 7/30$166
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:00 am -
1 stop11h 14m
Sun 8/308:39 pm -
1 stop17h 00m
Deal found 7/30$168
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:25 pm -
1 stop8h 45m
Sun 9/207:50 am -
1 stop16h 52m
Deal found 8/2$170
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:25 pm -
1 stop8h 45m
Tue 9/159:04 pm -
1 stop14h 47m
Deal found 7/31$171
This Super.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:18 am -
1 stop9h 26m
Wed 8/266:09 pm -
1 stop18h 46m
Deal found 7/30$172

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 August 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$158
(Kiwi.com)

One-way from

$109
(Super.com)

Popular in

June

Cheapest in

September

Average price

$274

Good round-trip deal

$261 or less

Good one-way deal

$249 or less
Provider with most accurate pricing for Detroit Metropolitan Wayne County-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit Metropolitan Wayne County-Washington, D.C. Dulles Intl flights.
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From Detroit Metropolitan Wayne County to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Detroit Metropolitan Wayne County to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Detroit Metropolitan Wayne County to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Detroit Metropolitan Wayne County to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 5, 2026.
Use the filters below to find and compare flights from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Tue 9/29

8:50 am-10:21 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Tue 10/6

6:05 am-7:40 am

Nonstop1h 35m

$205

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Thu 9/17

8:50 am-10:21 am

Nonstop1h 31m

Washington, D.C. Dulles Intl

Sun 9/20

6:10 am-7:48 am

Nonstop1h 38m

$216

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Sat 8/29

9:50 pm-11:26 pm

Nonstop1h 36m

Washington, D.C. Dulles Intl

Thu 9/3

6:10 am-7:47 am

Nonstop1h 37m

$225

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Fri 9/4

9:50 pm-11:26 pm

Nonstop1h 36m

Washington, D.C. Dulles Intl

Sat 9/12

12:18 pm-1:50 pm

Nonstop1h 32m

$232

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Fri 9/4

6:25 pm-12:34 am

1 stop6h 09m

Washington, D.C. Dulles Intl

Sun 9/6

6:10 am-7:47 am

Nonstop1h 37m

$233

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Mon 8/31

9:50 pm-11:26 pm

Nonstop1h 36m

Washington, D.C. Dulles Intl

Mon 9/14

7:17 pm-11:51 pm

1 stop4h 34m

$235

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Thu 8/20

9:50 pm-11:26 pm

Nonstop1h 36m

Washington, D.C. Dulles Intl

Mon 8/24

6:10 am-7:47 am

Nonstop1h 37m

$247

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Fri 8/21

9:50 pm-11:26 pm

Nonstop1h 36m

Washington, D.C. Dulles Intl

Sun 8/23

6:10 am-7:47 am

Nonstop1h 37m

$259

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Thu 9/10

2:54 pm-8:14 pm

1 stop5h 20m

Washington, D.C. Dulles Intl

Sun 9/13

11:10 am-12:44 pm

Nonstop1h 34m

$262

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Tue 10/20

9:25 am-2:08 pm

1 stop4h 43m

Washington, D.C. Dulles Intl

Sat 10/24

12:20 pm-1:58 pm

Nonstop1h 38m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 22 resultsSorted by cheapest first
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Compare providers for flights from Detroit to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Detroit to Dulles Intl in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Detroit Metropolitan Wayne County Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit Metropolitan Wayne County Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit Metropolitan Wayne County Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit Metropolitan Wayne County Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Detroit Metropolitan Wayne County Airport-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

The best time to book flights from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport is 56 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport?

Currently, September 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 $238). Flying from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $344). 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 August 5, 2026.

When flying from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 54% versus 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 August 1, 2026.

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

How much does it cost to fly round-trip from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport flights typically cost between $194 and $359 in September.
The cheapest round-trip price found within the last 5 days was $158 on Frontier (Sep 14-Sep 16).

The best insider tips for Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on DTW

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 August 5, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andFrontier from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,488 reviews

Food

7.2

Entertainment

7.8

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.
Delta
7.8
Good
8,488 reviews
Delta
7.8
Good
8,488 reviews

Food

7.2

Entertainment

7.8

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.
United Airlines
7.4
Good
10,060 reviews
Delta
7.8
Good
8,488 reviews

Food

7.2

Entertainment

7.8

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.
Frontier
5.6
Fair
2,733 reviews
Delta
7.8
Good
8,488 reviews

Food

7.2

Entertainment

7.8

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

7.8

Reviews

1 / 20
4.0
Okay

Laura,Aug 2023

DTW - BOS

Finally got on a flight to Boston and all went ok. We were the last to board and sat in the last seats on the plane. Not particularly treated well after waiting all day to travel.

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) is the airport you will fly out of if you book a flight from Detroit to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Detroit Metropolitan Wayne County; the airport handles an average of 22 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Detroit airport to Washington, D.C. Dulles Intl. It is only a 17.3 mi journey to Detroit Metropolitan Wayne County (DTW) from Detroit’s city center.

  • How long is the flight from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport?

    Delta can get you from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport in just under 1h 31m. Your travel time will be generally consistent. Detroit Metropolitan Wayne County Airport and Washington, D.C. Dulles Intl Airport are separated by a distance of 383 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport round-trip?

    Frontier, at $107, was found to be the cheapest airline from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Delta and United Airlines. Frontier is 62% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport one-way?

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $66. Users have also found prices from $115 and $138 on Delta and United Airlines, respectively.

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

    Consider Republic Airways (95%), ANA (88%) or Copa Airlines (86%) 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.

  • What are the cheapest flights from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport?

    While on average a flight from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport is generally $1,421, our data shows the cheapest flight currently is $140. When looking at the most popular route, (Detroit Metropolitan Wayne County - Washington, D.C. Dulles Intl), you can expect to pay $187 for that flight.

  • 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, September 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 $238). Flying from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $344). 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

Traveling 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
Alexandria
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Sterling
Clinton
Oxon Hill
Hunt Valley
Woodbridge

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Alternative routes for Detroit to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Detroit to Baltimore flights
Detroit to Reagan-National flights

Top 3 airlines flying from Detroit to Dulles Intl

Discover the top 3 airlines 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 2,558,603 searches. Data last updated August 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$107Average$230FlexibilityNo cancel feeOn-time62%
DeltaCheapest$189Average$281FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$193Average$293FlexibilityNo cancel feeOn-time69%

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