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Cheap flights from Detroit to Washington, D.C. from $66

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 11/1. 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

Frontier Logo
6:29 pm - 11:55 pmDTW-IAD
5h 26m1 stop
Frontier Logo
8:40 am - 5:12 pmIAD-DTW
8h 32m1 stop
$119Frontier
Find Deal
sáb., nov. 8 - mié., nov. 12
Multiple Airlines Logo
9:05 pm - 7:46 pmDTW-IAD
22h 41m1 stop
Multiple Airlines Logo
4:45 pm - 8:16 amIAD-DTW
15h 31m1 stop
$129Multiple Airlines
Find Deal
mar., oct. 14 - lun., oct. 20
Frontier Logo
6:29 pm - 11:55 pmDTW-IAD
5h 26m1 stop
Frontier Logo
8:40 am - 5:12 pmIAD-DTW
8h 32m1 stop
$130Frontier
Find Deal
sáb., nov. 8 - mar., nov. 11
Multiple Airlines Logo
7:22 am - 7:46 pmDTW-IAD
12h 24m1 stop
Multiple Airlines Logo
9:00 am - 2:47 pmIAD-DTW
5h 47m1 stop
$131Multiple Airlines
Find Deal
mié., oct. 15 - mié., oct. 22
Frontier Logo
3:42 pm - 11:16 pmDTW-IAD
7h 34m1 stop
Frontier Logo
9:00 am - 2:47 pmIAD-DTW
5h 47m1 stop
$132Frontier
Find Deal
lun., oct. 6 - mié., oct. 8
Frontier Logo
4:58 pm - 11:22 pmDTW-IAD
6h 24m1 stop
Frontier Logo
8:47 am - 5:12 pmIAD-DTW
8h 25m1 stop
$133Frontier
Find Deal
lun., oct. 27 - mié., oct. 29
Multiple Airlines Logo
9:05 pm - 7:46 pmDTW-IAD
22h 41m1 stop
Multiple Airlines Logo
9:00 am - 2:34 pmIAD-DTW
5h 34m1 stop
$134Multiple Airlines
Find Deal
mar., oct. 14 - mar., oct. 21
United Airlines Logo
6:00 am - 7:35 amDTW-IAD
1h 35mnonstop
United Airlines Logo
8:25 am - 10:01 amIAD-DTW
1h 36mnonstop
$189United Airlines
Find Deal
mar., oct. 14 - mar., oct. 21
United Airlines Logo
7:45 pm - 9:19 pmDTW-IAD
1h 34mnonstop
United Airlines Logo
8:25 am - 10:06 amIAD-DTW
1h 41mnonstop
$193United Airlines
Find Deal
sáb., nov. 8 - mar., nov. 11
Delta Logo
9:30 pm - 11:00 pmDTW-IAD
1h 30mnonstop
Delta Logo
6:05 am - 7:41 amIAD-DTW
1h 36mnonstop
$197Delta
Find Deal
jue., oct. 30 - mar., nov. 4

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 8
DTW6:29 pmDetroit Metropolitan Wayne County
5h 26m
1 stop
IAD11:55 pmWashington, D.C. Dulles Intl
Nov 12
IAD8:40 amWashington, D.C. Dulles Intl
8h 32m
1 stop
DTW5:12 pmDetroit Metropolitan Wayne County
$119
Find similar
Frontier
Nov 8
DTW6:29 pmDetroit Metropolitan Wayne County
5h 26m
1 stop
IAD11:55 pmWashington, D.C. Dulles Intl
Nov 11
IAD8:40 amWashington, D.C. Dulles Intl
8h 32m
1 stop
DTW5:12 pmDetroit Metropolitan Wayne County
$130
Find similar
Frontier
Oct 6
DTW3:42 pmDetroit Metropolitan Wayne County
7h 34m
1 stop
IAD11:16 pmWashington, D.C. Dulles Intl
Oct 8
IAD9:00 amWashington, D.C. Dulles Intl
5h 47m
1 stop
DTW2:47 pmDetroit Metropolitan Wayne County
$132
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
Oct 14
DTW6:00 amDetroit Metropolitan Wayne County
1h 35m
IAD7:35 amWashington, D.C. Dulles Intl
Oct 21
IAD8:25 amWashington, D.C. Dulles Intl
1h 36m
DTW10:01 amDetroit Metropolitan Wayne County
$189
Find similar
United Airlines
Nov 8
DTW7:45 pmDetroit Metropolitan Wayne County
1h 34m
IAD9:19 pmWashington, D.C. Dulles Intl
Nov 11
IAD8:25 amWashington, D.C. Dulles Intl
1h 41m
DTW10:06 amDetroit Metropolitan Wayne County
$193
Find similar
United Airlines
Oct 9
DTW2:45 pmDetroit Metropolitan Wayne County
1h 36m
IAD4:21 pmWashington, D.C. Dulles Intl
Oct 13
IAD10:15 pmWashington, D.C. Dulles Intl
1h 42m
DTW11:57 pmDetroit Metropolitan Wayne County
$194
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 septiembre 17, 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

sáb. 11/8

6:29 pm-11:55 pm

1 stop5h 26m

Washington, D.C. Dulles Intl

mié. 11/12

8:40 am-5:12 pm

1 stop8h 32m

$119

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

mar. 10/14

9:05 pm-7:46 pm

1 stop22h 41m

Washington, D.C. Dulles Intl

lun. 10/20

4:45 pm-8:16 am

1 stop15h 31m

$129

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

sáb. 11/8

6:29 pm-11:55 pm

1 stop5h 26m

Washington, D.C. Dulles Intl

mar. 11/11

8:40 am-5:12 pm

1 stop8h 32m

$130

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

mié. 10/15

7:22 am-7:46 pm

1 stop12h 24m

Washington, D.C. Dulles Intl

mié. 10/22

9:00 am-2:47 pm

1 stop5h 47m

$131

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

lun. 10/6

3:42 pm-11:16 pm

1 stop7h 34m

Washington, D.C. Dulles Intl

mié. 10/8

9:00 am-2:47 pm

1 stop5h 47m

$132

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

lun. 10/27

4:58 pm-11:22 pm

1 stop6h 24m

Washington, D.C. Dulles Intl

mié. 10/29

8:47 am-5:12 pm

1 stop8h 25m

$133

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

mar. 10/14

9:05 pm-7:46 pm

1 stop22h 41m

Washington, D.C. Dulles Intl

mar. 10/21

9:00 am-2:34 pm

1 stop5h 34m

$134

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

mar. 10/14

6:00 am-7:35 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

mar. 10/21

8:25 am-10:01 am

Nonstop1h 36m

$189

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

sáb. 11/8

7:45 pm-9:19 pm

Nonstop1h 34m

Washington, D.C. Dulles Intl

mar. 11/11

8:25 am-10:06 am

Nonstop1h 41m

$193

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

jue. 10/30

9:30 pm-11:00 pm

Nonstop1h 30m

Washington, D.C. Dulles Intl

mar. 11/4

6:05 am-7:41 am

Nonstop1h 36m

$197

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 $368. When flying out on a Saturday, 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 $698.

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 $413 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 $742 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 $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 September 2025, prices for Detroit to Washington, D.C. Dulles Intl Airport flights are approximately 10% cheaper 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

$169

Fastest flight time

1h 27m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Detroit in the past 72 hours is $169. The best round-trip flight deal from Detroit to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $298.
The fastest flight from Detroit to Washington, D.C. Dulles Intl Airport takes 1h 27m
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
3,173 reviews
Search Frontier flights
DeltaPriceFrom $159Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $189Free CancellationRating
7.4
8,926 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 $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 7,961 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 $277. United Airlines operates 18 flights to Washington, D.C. Dulles Intl Airport from Detroit in an average week. Users have rated it 7.4/10 across 8,926 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
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg

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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