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Dulles Intl

$93+ Cheap flights from Detroit (DTT) 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — IAD
Jul 16 — Jul 231
Thu 7/16
Thu 7/23
1 adult, Economy
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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 June 16, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/13. 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.
Tue 7/72:56 pm
DTW
-
IAD
1 stop7h 59m
Frontier
Tue 7/217:49 am
IAD
-
DTW
1 stop5h 44m
Frontier
Deal found 6/13$192
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/226:10 am
DTW
-
IAD
1 stop16h 45m
Frontier
Wed 7/298:33 pm
IAD
-
DTW
1 stop17h 00m
Frontier
Deal found 6/16$194
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/226:10 am
DTW
-
IAD
1 stop11h 04m
Frontier
Tue 7/287:49 am
IAD
-
DTW
1 stop16h 51m
Frontier
Deal found 6/13$195
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/228:50 am
DTW
-
IAD
Nonstop1h 33m
Delta
Wed 7/2911:10 am
IAD
-
DTW
Nonstop1h 37m
Delta
Deal found 6/15$197
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 7/295:13 pm
DTW
-
IAD
1 stop5h 42m
Frontier
Wed 8/56:09 pm
IAD
-
DTW
1 stop18h 46m
Frontier
Deal found 6/11$199
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/155:13 pm
DTW
-
IAD
1 stop5h 42m
Frontier
Wed 7/227:49 am
IAD
-
DTW
1 stop8h 39m
Frontier
Deal found 6/16$200
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2910:13 am
DTW
-
IAD
Nonstop1h 37m
United Airlines
Wed 8/512:55 pm
IAD
-
DTW
Nonstop1h 39m
United Airlines
Deal found 6/11$204
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Tue 7/216:10 am
DTW
-
IAD
1 stop10h 30m
Frontier
Fri 7/247:49 am
IAD
-
DTW
1 stop8h 51m
Frontier
Deal found 6/15$205
This Kiwi.com deal was found by Cheapflights users on 6/15. 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.
Sat 7/112:56 pm
DTW
-
IAD
1 stop7h 59m
Frontier
Wed 7/157:49 am
IAD
-
DTW
1 stop8h 39m
Frontier
Deal found 6/15$206
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:40 pm
DTW
-
IAD
Nonstop1h 34m
Delta
Sat 9/125:15 pm
IAD
-
DTW
Nonstop1h 37m
Delta
Deal found 6/15$207
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/710:13 am
DTW
-
IAD
Nonstop1h 37m
United Airlines
Sat 7/1110:10 pm
IAD
-
DTW
Nonstop1h 41m
United Airlines
Deal found 6/11$209
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:02 pm
DTW
-
IAD
1 stop9h 15m
Frontier
Wed 8/197:30 am
IAD
-
DTW
1 stop9h 10m
Frontier
Deal found 6/11$210

Find flight deals from Detroit to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) 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 June 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$192
(Kiwi.com)

One-way from

$93
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$455

Good round-trip deal

$314 or less

Good one-way deal

$256 or less
Provider with most accurate pricing for Detroit (DTT)-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Washington, D.C. Dulles Intl flights.
Search Deals
From Detroit (DTT) to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Detroit (DTT) to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Detroit (DTT) to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Detroit (DTT) 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 June 16, 2026.
Use the filters below to find and compare flights from Detroit to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Wed 8/12

2:10 pm-3:54 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sat 8/15

12:35 pm-2:11 pm

Nonstop1h 36m

$220

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Thu 7/23

8:50 am-10:23 am

Nonstop1h 33m

Washington, D.C. Dulles Intl

Tue 7/28

5:26 pm-7:15 pm

Nonstop1h 49m

$223

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Fri 7/24

6:00 am-7:34 am

Nonstop1h 34m

Washington, D.C. Dulles Intl

Sat 8/8

10:10 pm-11:51 pm

Nonstop1h 41m

$233

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Wed 8/12

7:00 am-11:49 am

1 stop4h 49m

Washington, D.C. Dulles Intl

Sat 8/15

12:30 pm-2:13 pm

Nonstop1h 43m

$243

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Thu 7/9

3:08 pm-4:41 pm

Nonstop1h 33m

Washington, D.C. Dulles Intl

Tue 7/14

11:10 am-12:47 pm

Nonstop1h 37m

$249

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Fri 7/24

10:13 am-11:50 am

Nonstop1h 37m

Washington, D.C. Dulles Intl

Mon 7/27

10:10 pm-11:51 pm

Nonstop1h 41m

$249

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Thu 7/16

6:00 am-7:34 am

Nonstop1h 34m

Washington, D.C. Dulles Intl

Sun 7/19

8:35 am-10:14 am

Nonstop1h 39m

$249

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Sat 8/22

9:50 pm-11:26 pm

Nonstop1h 36m

Washington, D.C. Dulles Intl

Mon 8/24

7:26 pm-12:59 am

1 stop5h 33m

$253

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Fri 7/24

7:35 pm-12:41 am

1 stop5h 06m

Washington, D.C. Dulles Intl

Sun 7/26

6:00 am-7:35 am

Nonstop1h 35m

$259

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Sat 7/11

9:38 pm-11:13 pm

Nonstop1h 35m

Washington, D.C. Dulles Intl

Tue 7/14

12:37 pm-5:27 pm

1 stop4h 50m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

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 June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust 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-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-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-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-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-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 to Washington, D.C. Dulles Intl Airport

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

Currently, August is the cheapest month in which you can book a flight from Detroit to Washington, D.C. Dulles Intl Airport (average of $68). Flying from Detroit to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $189). 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 DTT 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 June 16, 2026.

It’s optimal to fly from Detroit to Washington, D.C. Dulles Intl Airport in the afternoon. By choosing this option you can save up to 54% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from Detroit 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 June 16, 2026.

The most flights from DTT to IAD are scheduled on a Monday (28 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (19 on average).

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

How far ahead should I book a flight from Detroit to Washington, D.C. Dulles Intl Airport?

The price you pay for your flight from Detroit to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from Detroit 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 June 13, 2026.

Travelers seeking maximum savings on their Detroit 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.

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 June 16, 2026.
Read through reviews of airlines operating flights from Detroit to Washington, D.C. Dulles Intl Airport, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,405 reviews

Boarding

8.1

Entertainment

7.8

Overall

7.9

Crew

8.5

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,405 reviews
Delta
7.9
Good
8,405 reviews

Boarding

8.1

Entertainment

7.8

Overall

7.9

Crew

8.5

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
9,842 reviews
Delta
7.9
Good
8,405 reviews

Boarding

8.1

Entertainment

7.8

Overall

7.9

Crew

8.5

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

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?

    Most people fly from Detroit All airports (DTT) if they book a flight from Detroit to Washington, D.C. Dulles Intl. On average, All airports has 25 outbound flights to Washington, D.C. Dulles Intl per day from 3 airlines. Detroit All airports is conveniently located just 0.6 mi from Detroit’s city center.

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

    Airlines like United Airlines and Delta fly from Detroit to Washington, D.C. Dulles Intl Airport in about 1h 33m. The time it takes to get you to your destination is usually consistent. There are 383 mi between Detroit and Washington, D.C. Dulles Intl Airport. Most flights are nonstop.

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

    According to our current data, Frontier ($98), Delta ($163), and United Airlines ($189) offers the cheapest pricing from Detroit to Washington, D.C. Dulles Intl Airport. Users have found that Frontier is 68% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $66. Delta flights start at $75 while deals on United Airlines start at $138 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Detroit to Washington, D.C. Dulles Intl Airport on time: Sun Country Air (100%), Korean Air (92%), Scandinavian Airlines (90%).

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

    Looking at all options, your cheapest flight can be booked for $133. While the most popular route (Detroit Metropolitan Wayne County - Washington, D.C. Dulles Intl) can be booked for $197 on average, our data indicates $401 when flying from Detroit 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 to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Detroit to Washington, D.C. Dulles Intl Airport (average of $68). Flying from Detroit to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $189). 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
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Laurel
Hanover
Chantilly
Falls Church
Waldorf
Silver Spring
Largo
Clinton

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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 June 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$98Average$188FlexibilityNo cancel feeOn-time62%
DeltaCheapest$163Average$275FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$290FlexibilityNo cancel feeOn-time69%

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