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Cheap flights from Detroit to Washington, D.C. from $63

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Detroit to Washington, D.C. departing on 12/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:29 pm - 8:20 pmDTW-IAD
25h 51m1 stop
Frontier Logo
8:40 am - 5:12 pmIAD-DTW
8h 32m1 stop
$134Frontier
Find Deal
Tue, Nov 11 - Tue, Nov 18
Multiple Airlines Logo
7:00 am - 8:20 pmDTW-IAD
13h 20m1 stop
Multiple Airlines Logo
8:40 am - 5:12 pmIAD-DTW
8h 32m1 stop
$139Multiple Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 19
Frontier Logo
6:29 pm - 8:20 pmDTW-IAD
25h 51m1 stop
Frontier Logo
8:40 am - 6:56 pmIAD-DTW
10h 16m1 stop
$144Frontier
Find Deal
Tue, Nov 11 - Mon, Nov 24
Frontier Logo
5:57 pm - 12:11 amDTW-IAD
6h 14m1 stop
Frontier Logo
8:40 am - 5:12 pmIAD-DTW
8h 32m1 stop
$145Frontier
Find Deal
Mon, Nov 17 - Tue, Nov 18
Frontier Logo
6:11 pm - 12:11 amDTW-IAD
6h 00m1 stop
Frontier Logo
6:00 am - 5:12 pmIAD-DTW
11h 12m1 stop
$147Frontier
Find Deal
Thu, Nov 13 - Mon, Nov 17
Multiple Airlines Logo
7:00 am - 8:20 pmDTW-IAD
13h 20m1 stop
Multiple Airlines Logo
8:40 am - 6:56 pmIAD-DTW
10h 16m1 stop
$149Multiple Airlines
Find Deal
Wed, Nov 12 - Mon, Nov 24
Frontier Logo
6:11 pm - 12:11 amDTW-IAD
6h 00m1 stop
Frontier Logo
5:58 am - 5:26 pmIAD-DTW
11h 28m1 stop
$150Frontier
Find Deal
Mon, Nov 10 - Sat, Nov 15
Delta Logo
9:30 pm - 11:08 pmDTW-IAD
1h 38mnonstop
Delta Logo
6:00 am - 7:48 amIAD-DTW
1h 48mnonstop
$187Delta
Find Deal
Wed, Dec 3 - Wed, Dec 17
Delta Logo
9:30 pm - 11:08 pmDTW-IAD
1h 38mnonstop
Delta Logo
6:00 am - 7:48 amIAD-DTW
1h 48mnonstop
$188Delta
Find Deal
Wed, Dec 3 - Sun, Dec 14
United Airlines Logo
5:45 am - 7:27 amDTW-IAD
1h 42mnonstop
United Airlines Logo
5:10 pm - 6:53 pmIAD-DTW
1h 43mnonstop
$189United Airlines
Find Deal
Thu, Nov 13 - Sat, Nov 15

United Airlines flights from Detroit to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Detroit to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Nov 13
DTW5:45 amDetroit Metropolitan Wayne County
1h 42m
IAD7:27 amWashington, D.C. Dulles Intl
Nov 15
IAD5:10 pmWashington, D.C. Dulles Intl
1h 43m
DTW6:53 pmDetroit Metropolitan Wayne County
$189
Find similar
United Airlines
Oct 31
DTW5:45 amDetroit Metropolitan Wayne County
1h 42m
IAD7:27 amWashington, D.C. Dulles Intl
Nov 2
IAD10:18 pmWashington, D.C. Dulles Intl
1h 41m
DTW11:59 pmDetroit Metropolitan Wayne County
$228
Find similar

Frontier flights from Detroit to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Detroit to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Nov 11
DTW6:29 pmDetroit Metropolitan Wayne County
25h 51m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
Nov 18
IAD8:40 amWashington, D.C. Dulles Intl
8h 32m
1 stop
DTW5:12 pmDetroit Metropolitan Wayne County
$134
Find similar
Frontier
Nov 11
DTW6:29 pmDetroit Metropolitan Wayne County
25h 51m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
Nov 24
IAD8:40 amWashington, D.C. Dulles Intl
10h 16m
1 stop
DTW6:56 pmDetroit Metropolitan Wayne County
$144
Find similar
Frontier
Nov 17
DTW5:57 pmDetroit Metropolitan Wayne County
6h 14m
1 stop
IAD12:11 amWashington, D.C. Dulles Intl
Nov 18
IAD8:40 amWashington, D.C. Dulles Intl
8h 32m
1 stop
DTW5:12 pmDetroit Metropolitan Wayne County
$145
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Detroit to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated October 24, 2025.
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

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Tue 11/11

6:29 pm-8:20 pm

1 stop25h 51m

Washington, D.C. Dulles Intl

Tue 11/18

8:40 am-5:12 pm

1 stop8h 32m

$134

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Wed 11/12

7:00 am-8:20 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Wed 11/19

8:40 am-5:12 pm

1 stop8h 32m

$139

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Tue 11/11

6:29 pm-8:20 pm

1 stop25h 51m

Washington, D.C. Dulles Intl

Mon 11/24

8:40 am-6:56 pm

1 stop10h 16m

$144

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Mon 11/17

5:57 pm-12:11 am

1 stop6h 14m

Washington, D.C. Dulles Intl

Tue 11/18

8:40 am-5:12 pm

1 stop8h 32m

$145

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Thu 11/13

6:11 pm-12:11 am

1 stop6h 00m

Washington, D.C. Dulles Intl

Mon 11/17

6:00 am-5:12 pm

1 stop11h 12m

$147

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Wed 11/12

7:00 am-8:20 pm

1 stop13h 20m

Washington, D.C. Dulles Intl

Mon 11/24

8:40 am-6:56 pm

1 stop10h 16m

$149

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Mon 11/10

6:11 pm-12:11 am

1 stop6h 00m

Washington, D.C. Dulles Intl

Sat 11/15

5:58 am-5:26 pm

1 stop11h 28m

$150

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Wed 12/3

9:30 pm-11:08 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Wed 12/17

6:00 am-7:48 am

Nonstop1h 48m

$187

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Wed 12/3

9:30 pm-11:08 pm

Nonstop1h 38m

Washington, D.C. Dulles Intl

Sun 12/14

6:00 am-7:48 am

Nonstop1h 48m

$188

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Thu 11/13

5:45 am-7:27 am

Nonstop1h 42m

Washington, D.C. Dulles Intl

Sat 11/15

5:10 pm-6:53 pm

Nonstop1h 43m

$189

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Detroit to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Detroit and Washington, D.C. Dulles Intl Airport?

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, July is the cheapest month to fly from Detroit to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $199. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $218.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $408. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Detroit to Washington, D.C. Dulles Intl Airport for around $721.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Detroit in the morning is the least expensive time of day to depart. momondo users have found prices as low as $436 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $775 on average. Flights to Washington, D.C. Dulles Intl Airport from Detroit in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Detroit to Washington, D.C. Dulles Intl flight route?

Fly from Detroit Metropolitan Wayne County to Washington, D.C. Dulles Intl for the best Detroit - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Detroit when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $247 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Detroit for as low as $141 on momondo.

What cabin class options are available on Detroit to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Detroit to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Detroit to Washington, D.C. Dulles Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Detroit to Washington, D.C. Dulles Intl Airport.

How have Detroit to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of October 2025, prices for Detroit to Washington, D.C. Dulles Intl Airport flights are approximately 10% more expensive when compared to flights at the same time last year.

When to book flights from Detroit to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Detroit to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Detroit to Washington, D.C. Dulles Intl Airport (DTT to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Detroit to Washington, D.C. Dulles Intl Airport

Best Price Found

$185

Fastest flight time

1h 29m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Detroit in the past 72 hours is $185. The best round-trip flight deal from Detroit to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $320.
The fastest flight from Detroit to Washington, D.C. Dulles Intl Airport takes 1h 29m
Direct flights go from Detroit to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • How far is Detroit to Washington, D.C. Dulles Intl by plane?

    There are 375.3 mi between Detroit and Washington, D.C. Dulles Intl. 1h 30m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Detroit to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Detroit to Washington, D.C. Dulles Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Detroit to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Detroit to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Detroit to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Detroit to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Detroit to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Detroit to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Detroit to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $98Free CancellationRating
5.8
3,128 reviews
Search Frontier flights
DeltaPriceFrom $159Free CancellationRating
7.9
7,982 reviews
Search Delta flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights

  • Delta Flights From Detroit to Washington, D.C. Dulles Intl Airport

    Delta operates around 9 flights from Detroit to Washington, D.C. Dulles Intl Airport every week. The average price of these flights found in the last 72 hours has been $242, but momondo users have found Delta deals from Detroit to Washington, D.C. Dulles Intl Airport from as low as $159 round-trip. Delta has been scored 7.9/10 in 7,982 reviews.

  • United Airlines Flights From Detroit to Washington, D.C. Dulles Intl Airport

    United Airlines is also a popular choice for this route. United Airlines flight deals for Detroit to Washington, D.C. Dulles Intl Airport start from as low as $189 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $264. United Airlines operates 8 flights to Washington, D.C. Dulles Intl Airport from Detroit in an average week. Users have rated it 7.4/10 across 8,995 reviews.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Gaithersburg
Sterling

Why use momondo?

Why should I use momondo to find a flight deal from Detroit to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Detroit to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights from Detroit to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Detroit on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Detroit to Washington, D.C.?

Once you have performed a search for Detroit to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Detroit to Washington, D.C. right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Detroit and alert you when they change.

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