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Cheap flights from Detroit to Washington, D.C. from $70

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 9/14. 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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Find the cheapest flights from Detroit to Washington, D.C. (DTT-IAD)

Cheap round-trip flights

Frontier Logo
3:42 pm - 12:15 amDTW-IAD
8h 33m1 stop
Frontier Logo
6:10 am - 2:46 pmIAD-DTW
8h 36m1 stop
$143Frontier
Find Deal
vie., sep. 5 - lun., sep. 8
Frontier Logo
4:58 pm - 12:11 amDTW-IAD
7h 13m1 stop
Frontier Logo
9:00 am - 2:47 pmIAD-DTW
5h 47m1 stop
$144Frontier
Find Deal
vie., oct. 10 - mié., oct. 15
Frontier Logo
11:45 am - 6:24 pmDTW-IAD
6h 39m1 stop
Frontier Logo
6:10 am - 2:46 pmIAD-DTW
8h 36m1 stop
$153Frontier
Find Deal
sáb., sep. 13 - lun., sep. 15
Frontier Logo
6:35 pm - 11:56 pmDTW-IAD
5h 21m1 stop
Frontier Logo
4:45 pm - 2:47 pmIAD-DTW
22h 02m1 stop
$158Frontier
Find Deal
sáb., oct. 11 - lun., oct. 13
United Airlines Logo
2:30 pm - 4:07 pmDTW-IAD
1h 37mnonstop
United Airlines Logo
10:18 pm - 11:59 pmIAD-DTW
1h 41mnonstop
$163United Airlines
Find Deal
jue., sep. 4 - dom., sep. 7
United Airlines Logo
6:00 am - 7:35 amDTW-IAD
1h 35mnonstop
United Airlines Logo
10:18 pm - 11:59 pmIAD-DTW
1h 41mnonstop
$168United Airlines
Find Deal
jue., ago. 28 - jue., sep. 4
Delta Logo
9:35 pm - 11:06 pmDTW-IAD
1h 31mnonstop
Delta Logo
6:00 am - 7:32 amIAD-DTW
1h 32mnonstop
$197Delta
Find Deal
vie., sep. 19 - mar., sep. 23
Logo
10:40 am - 7:20 pmDTW-IAD
8h 40m1 stop
Logo
1:55 pm - 2:07 pmIAD-DTW
24h 12m1 stop
$200
Find Deal
jue., sep. 11 - lun., sep. 15
Logo
5:30 pm - 8:48 pmDTW-IAD
27h 18m1 stop
Logo
9:30 am - 6:15 pmIAD-DTW
8h 45m1 stop
$209
Find Deal
vie., ago. 29 - mié., sep. 3
Delta Logo
9:30 pm - 11:01 pmDTW-IAD
1h 31mnonstop
Delta Logo
6:05 am - 7:41 amIAD-DTW
1h 36mnonstop
$218Delta
Find Deal
sáb., oct. 11 - lun., oct. 13

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
Sep 5
DTW3:42 pmDetroit Metropolitan Wayne County
8h 33m
1 stop
IAD12:15 amWashington, D.C. Dulles Intl
Sep 8
IAD6:10 amWashington, D.C. Dulles Intl
8h 36m
1 stop
DTW2:46 pmDetroit Metropolitan Wayne County
$143
Find similar
Frontier
Oct 10
DTW4:58 pmDetroit Metropolitan Wayne County
7h 13m
1 stop
IAD12:11 amWashington, D.C. Dulles Intl
Oct 15
IAD9:00 amWashington, D.C. Dulles Intl
5h 47m
1 stop
DTW2:47 pmDetroit Metropolitan Wayne County
$144
Find similar
Frontier
Sep 13
DTW11:45 amDetroit Metropolitan Wayne County
6h 39m
1 stop
IAD6:24 pmWashington, D.C. Dulles Intl
Sep 15
IAD6:10 amWashington, D.C. Dulles Intl
8h 36m
1 stop
DTW2:46 pmDetroit Metropolitan Wayne County
$153
Find similar

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
Sep 4
DTW2:30 pmDetroit Metropolitan Wayne County
1h 37m
IAD4:07 pmWashington, D.C. Dulles Intl
Sep 7
IAD10:18 pmWashington, D.C. Dulles Intl
1h 41m
DTW11:59 pmDetroit Metropolitan Wayne County
$163
Find similar
United Airlines
Aug 28
DTW6:00 amDetroit Metropolitan Wayne County
1h 35m
IAD7:35 amWashington, D.C. Dulles Intl
Sep 4
IAD10:18 pmWashington, D.C. Dulles Intl
1h 41m
DTW11:59 pmDetroit Metropolitan Wayne County
$168
Find similar
United Airlines
Sep 4
DTW7:40 pmDetroit Metropolitan Wayne County
1h 38m
IAD9:18 pmWashington, D.C. Dulles Intl
Sep 7
IAD6:20 amWashington, D.C. Dulles Intl
4h 06m
1 stop
DTW10:26 amDetroit Metropolitan Wayne County
$173
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 agosto 14, 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

vie. 9/5

3:42 pm-12:15 am

1 stop8h 33m

Washington, D.C. Dulles Intl

lun. 9/8

6:10 am-2:46 pm

1 stop8h 36m

$143

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

vie. 10/10

4:58 pm-12:11 am

1 stop7h 13m

Washington, D.C. Dulles Intl

mié. 10/15

9:00 am-2:47 pm

1 stop5h 47m

$144

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

sáb. 9/13

11:45 am-6:24 pm

1 stop6h 39m

Washington, D.C. Dulles Intl

lun. 9/15

6:10 am-2:46 pm

1 stop8h 36m

$153

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

sáb. 10/11

6:35 pm-11:56 pm

1 stop5h 21m

Washington, D.C. Dulles Intl

lun. 10/13

4:45 pm-2:47 pm

1 stop22h 02m

$158

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

jue. 9/4

2:30 pm-4:07 pm

Nonstop1h 37m

Washington, D.C. Dulles Intl

dom. 9/7

10:18 pm-11:59 pm

Nonstop1h 41m

$163

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

jue. 8/28

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

jue. 9/4

10:18 pm-11:59 pm

Nonstop1h 41m

$168

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

vie. 9/19

9:35 pm-11:06 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

mar. 9/23

6:00 am-7:32 am

Nonstop1h 32m

$197

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

jue. 9/11

10:40 am-7:20 pm

1 stop8h 40m

Washington, D.C. Dulles Intl

lun. 9/15

1:55 pm-2:07 pm

1 stop24h 12m

$200

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

vie. 8/29

5:30 pm-8:48 pm

1 stop27h 18m

Washington, D.C. Dulles Intl

mié. 9/3

9:30 am-6:15 pm

1 stop8h 45m

$209

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

sáb. 10/11

9:30 pm-11:01 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

lun. 10/13

6:05 am-7:41 am

Nonstop1h 36m

$218

Flights are sorted by cheapest round-trip flights 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 October is also cheap. Prices for this month can be found on momondo for an average of $209.

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 $353. 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 $688.

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 $406 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $731 on average. Flights to Washington, D.C. Dulles Intl Airport from Detroit at noon 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 $250 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 $187 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.

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

As of August 2025, prices for Detroit to Washington, D.C. Dulles Intl Airport flights are approximately 4% 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

$70

Fastest flight time

1h 31m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Detroit in the past 72 hours is $70. The best round-trip flight deal from Detroit to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $143.
The fastest flight from Detroit to Washington, D.C. Dulles Intl Airport takes 1h 31m
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 31m 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
3,219 reviews
Search Frontier flights
DeltaPriceFrom $162Free CancellationRating
8.0
7,980 reviews
Search Delta flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights

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

    Delta operates around 18 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 $245, but momondo users have found Delta deals from Detroit to Washington, D.C. Dulles Intl Airport from as low as $162 round-trip. Delta has been scored 8.0/10 in 7,980 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 $281. United Airlines operates 16 flights to Washington, D.C. Dulles Intl Airport from Detroit in an average week. Users have rated it 7.4/10 across 8,916 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
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Tysons
Laurel
Silver Spring
Waldorf
Fredericksburg
Colonial Beach
Manassas
Harpers Ferry
Rockville
Towson
Gaithersburg
Fairfax
Reston
Glen Burnie

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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