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Reagan-National

$105+ Cheap flights from Detroit (DTT) to Reagan-National (DCA)

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 — DCA
Aug 1 — Aug 81
Sat 8/1
Sat 8/8
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Detroit All airports to Washington, D.C. Reagan-National are usually found in August or February, booked 5 days in advance, depart on a Wednesday or Friday and return on a Saturday

Cheap flight deals from Detroit to Reagan-National

Cheapest flights from Detroit to Reagan-National
Explore the most affordable flight options available from Detroit to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2026.

This Delta deal was found by Cheapflights users on 7/1. 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.
Sat 8/89:30 pm
DTW
-
DCA
Nonstop1h 29m
Delta
Sat 8/226:10 am
DCA
-
DTW
Nonstop1h 29m
Delta
Deal found 7/1$197
This Delta deal was found by Cheapflights users on 6/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/89:30 pm
DTW
-
DCA
Nonstop1h 29m
Delta
Mon 8/1012:23 pm
DCA
-
DTW
Nonstop1h 37m
Delta
Deal found 6/30$207
This Delta deal was found by Cheapflights users on 7/1. 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.
Sat 8/157:05 am
DTW
-
DCA
Nonstop1h 31m
Delta
Mon 8/177:35 pm
DCA
-
DTW
Nonstop1h 46m
Delta
Deal found 7/1$208
This Frontier deal was found by Cheapflights users on 7/1. 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 8/2512:20 pm
DTW
-
DCA
1 stop9h 39m
Frontier
Wed 8/261:59 pm
DCA
-
DTW
1 stop10h 00m
Frontier
Deal found 7/1$210
This Flightnetwork deal was found by Cheapflights users on 6/27. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:19 pm
DTW
-
DCA
1 stop8h 40m
Frontier
Tue 8/186:00 pm
DCA
-
DTW
1 stop29h 59m
Frontier
Deal found 6/27$216
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/286:30 pm
DTW
-
DCA
1 stop4h 25m
Southwest
Tue 8/48:00 am
DCA
-
DTW
1 stop5h 40m
Southwest
Deal found 7/1$217
This Southwest deal was found by Cheapflights users on 6/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/287:50 pm
DTW
-
DCA
1 stop4h 00m
Southwest
Wed 7/2911:45 am
DCA
-
DTW
2 stops6h 10m
Southwest
Deal found 6/30$218
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:35 am
DTW
-
DCA
1 stop7h 30m
Southwest
Wed 7/291:00 pm
DCA
-
DTW
1 stop6h 30m
Southwest
Deal found 6/29$222
This Delta deal was found by Cheapflights users on 6/29. 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.
Sat 8/12:55 pm
DTW
-
DCA
Nonstop1h 39m
Delta
Mon 8/39:39 am
DCA
-
DTW
Nonstop1h 30m
Delta
Deal found 6/29$223
This Frontier deal was found by Cheapflights users on 7/1. 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 8/117:40 am
DTW
-
DCA
1 stop14h 19m
Frontier
Thu 8/201:59 pm
DCA
-
DTW
1 stop10h 00m
Frontier
Deal found 7/1$225
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/297:05 am
DTW
-
DCA
2 stops8h 50m
Southwest
Wed 8/52:40 pm
DCA
-
DTW
2 stops6h 50m
Southwest
Deal found 6/29$227
This Southwest deal was found by Cheapflights users on 6/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:35 am
DTW
-
DCA
1 stop7h 30m
Southwest
Sat 8/112:40 pm
DCA
-
DTW
2 stops9h 50m
Southwest
Deal found 6/29$228

Find flight deals from Detroit to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Reagan-National (DCA). 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 July 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$197
(Delta)

One-way from

$105
(Frontier)

Popular in

June

Cheapest in

August

Average price

$314

Good round-trip deal

$274 or less

Good one-way deal

$257 or less
Provider with most accurate pricing for Detroit (DTT)-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Washington, D.C. Reagan-National flights.
Search Deals
From Detroit (DTT) to Washington, D.C. Reagan-National
Search Deals
One-way flight from Detroit (DTT) to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Detroit (DTT) to Washington, D.C. Reagan-National.
Search Deals
Price to beat on a one-way flight from Detroit (DTT) to Washington, D.C. Reagan-National.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Reagan-National 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 July 2, 2026.
Use the filters below to find and compare flights from Detroit to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitWashington, D.C.

DTW - DCA

DTWDCA

Detroit Metropolitan Wayne County

Wed 7/29

7:05 am-8:40 am

Nonstop1h 35m

Washington, D.C. Reagan-National

Wed 8/12

5:29 pm-7:15 pm

Nonstop1h 46m

$197
Quickest round-trip

DetroitWashington, D.C.

DTW - DCA

DTWDCA

Detroit Metropolitan Wayne County

Tue 8/18

7:05 am-8:36 am

Nonstop1h 31m

Washington, D.C. Reagan-National

Sat 8/22

6:10 am-7:39 am

Nonstop1h 29m

$197

DetroitWashington, D.C.

DTW - DCA

DTWDCA

Detroit Metropolitan Wayne County

Wed 8/12

7:05 am-8:36 am

Nonstop1h 31m

Washington, D.C. Reagan-National

Tue 8/18

12:23 pm-2:00 pm

Nonstop1h 37m

$197

DetroitWashington, D.C.

DTW - DCA

DTWDCA

Detroit Metropolitan Wayne County

Sat 8/15

7:05 am-8:36 am

Nonstop1h 31m

Washington, D.C. Reagan-National

Mon 8/17

7:35 pm-9:21 pm

Nonstop1h 46m

$207

DetroitWashington, D.C.

DTW - DCA

DTWDCA

Detroit Metropolitan Wayne County

Sat 8/22

9:30 pm-10:59 pm

Nonstop1h 29m

Washington, D.C. Reagan-National

Mon 8/24

7:35 pm-9:21 pm

Nonstop1h 46m

$207

DetroitWashington, D.C.

DTW - DCA

DTWDCA

Detroit Metropolitan Wayne County

Tue 8/25

7:05 pm-11:05 pm

1 stop4h 00m

Washington, D.C. Reagan-National

Tue 9/1

4:35 pm-8:30 pm

1 stop3h 55m

$217

DetroitWashington, D.C.

DTW - DCA

DTWDCA

Detroit Metropolitan Wayne County

Tue 9/1

12:55 pm-7:10 pm

1 stop6h 15m

Washington, D.C. Reagan-National

Sat 9/5

1:00 pm-5:40 pm

1 stop4h 40m

$217

DetroitWashington, D.C.

DTW - DCA

DTWDCA

Detroit Metropolitan Wayne County

Thu 9/10

10:08 am-11:37 am

Nonstop1h 29m

Washington, D.C. Reagan-National

Mon 9/14

6:10 am-7:42 am

Nonstop1h 32m

$217

DetroitWashington, D.C.

DTW - DCA

DTWDCA

Detroit Metropolitan Wayne County

Thu 7/23

7:05 am-8:40 am

Nonstop1h 35m

Washington, D.C. Reagan-National

Sat 7/25

6:00 am-7:40 am

Nonstop1h 40m

$223

DetroitWashington, D.C.

DTW - DCA

DTWDCA

Detroit Metropolitan Wayne County

Thu 9/10

2:54 pm-8:35 pm

1 stop5h 41m

Washington, D.C. Reagan-National

Tue 9/15

9:40 am-11:13 am

Nonstop1h 33m

$233

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

Showing 1-10 of 23 resultsSorted by cheapest first
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3

Compare providers for flights from Detroit to Reagan-National

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 Reagan-National in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy2 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. Reagan-National 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. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-Washington, D.C. Reagan-National 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. Reagan-National 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 Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National 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. Reagan-National Airport

What is the cheapest month to book a flight from Detroit to Washington, D.C. Reagan-National Airport?

Currently, August is the cheapest month in which you can book a flight from Detroit to Washington, D.C. Reagan-National Airport (average of $85). Flying from Detroit to Washington, D.C. Reagan-National Airport in January 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 DCA?

Find hourly flight availability from Detroit to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 2026.

A simple way to save on the total cost of your ticket is to fly from Detroit to Washington, D.C. Reagan-National Airport in the evening. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the afternoon.

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

What’s the top layover airport for flights from Detroit to Washington, D.C. Reagan-National Airport?

Share of 1-stop round-trip flights from Detroit to Washington, D.C. Reagan-National Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Chicago (MDW) – chosen by Cheapflights users on 67% of 1-stop itineraries from Detroit to Washington, D.C. Reagan-National Airport on Cheapflights.

What’s the cheapest layover airport for flights from Detroit to Washington, D.C. Reagan-National Airport?

Average round-trip fare for 1-stop flights from Detroit to Washington, D.C. Reagan-National Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Chicago (MDW) is the most affordable 1-stop option, with an average round-trip price of $174.

What’s the fastest layover option from Detroit to Washington, D.C. Reagan-National Airport?

Shortest average travel time for 1-stop one-way flights from Detroit to Washington, D.C. Reagan-National Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Chicago (MDW) have the shortest average one-way travel time for 1-stop routes: 4h 00m.

Which airport typically offers the quickest layover for flights from Detroit to Washington, D.C. Reagan-National Airport?

Average layover duration for 1-stop one-way flights from Detroit to Washington, D.C. Reagan-National Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (MDW) offer the fastest connection on this route, with an average layover time of 1h 43m.

How far ahead should I book a flight from Detroit to Washington, D.C. Reagan-National Airport?

Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from Detroit to Washington, D.C. Reagan-National Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest day to fly from Detroit to Washington, D.C. Reagan-National Airport?

Use this chart to determine the cheapest time to fly round-trip from Detroit to Reagan-National. Price data was last updated on June 27, 2026.

Travelers seeking maximum savings on their Detroit to Washington, D.C. Reagan-National Airport flight should consider departing on Saturday evenings 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 Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated July 2, 2026.
Peruse reviews from past customers who have flown with Delta and American Airlines from Detroit to Washington, D.C. Reagan-National 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
8,452 reviews

Comfort

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Sherry,Aug 2023

ATL - DCA

Didn’t receive any snacks due to turbulence which I understand but both carts started from the front of the plan so anyone in the back got no snacks. If one had started at the back more people may have been able to be served.
Delta
7.8
Good
8,452 reviews
Delta
7.8
Good
8,452 reviews

Comfort

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Sherry,Aug 2023

ATL - DCA

Didn’t receive any snacks due to turbulence which I understand but both carts started from the front of the plan so anyone in the back got no snacks. If one had started at the back more people may have been able to be served.
American Airlines
7.1
Good
11,770 reviews
Delta
7.8
Good
8,452 reviews

Comfort

7.8

Food

7.2

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Sherry,Aug 2023

ATL - DCA

Didn’t receive any snacks due to turbulence which I understand but both carts started from the front of the plan so anyone in the back got no snacks. If one had started at the back more people may have been able to be served.

Related info for your journey

Find useful and relevant information for your journey from Detroit to Reagan-National. 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. Reagan-National?

    For a flight from Detroit to Washington, D.C. Reagan-National, you will be flying from All airports. Detroit All airports (DTT) is just 0.6 mi from the center of the city. All airports is the only Detroit airport and it handles 13 outbound flights to Washington, D.C. Reagan-National per day. 4 airlines have flights to Washington, D.C. Reagan-National from Detroit All airports on a regular basis.

  • How long is the flight from Detroit to Washington, D.C. Reagan-National Airport?

    For as low as $197, Delta can have you in Washington, D.C. Reagan-National Airport from Detroit in 1h 35m. The distance between Detroit and Washington, D.C. Reagan-National Airport is about 405 mi. All flights are typically nonstop.

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

    Southwest, at $174, was found to be the cheapest airline from Detroit to Washington, D.C. Reagan-National Airport.Alternate airlines to your destination round-trip include American Airlines and Delta. Southwest is currently priced 43% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from Detroit to Washington, D.C. Reagan-National Airport are Frontier ($29), Southwest ($108), and American Airlines ($108).

  • What are the most reliable airlines from Detroit to Washington, D.C. Reagan-National Airport?

    Before booking your flight to Washington, D.C. Reagan-National Airport from Detroit, check out the most reliable airlines to get you to your destination on time: Aeromexico (82%), Republic Airways (81%), Alaska Airlines( 81%).

  • What are the cheapest flights from Detroit to Washington, D.C. Reagan-National Airport?

    On average you can expect to pay $522 for a flight from Detroit to Washington, D.C. Reagan-National Airport. The cheapest flight overall is $159 while the most popular route, (Detroit Metropolitan Wayne County - Washington, D.C. Reagan-National) is currently priced at $197.

  • Can I find deals for flights from Detroit to Reagan-National that include hotel bookings?

    Yes. In addition to deals on Detroit to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Detroit to Reagan-National?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Detroit to Reagan-National.

  • Can I find deals for business class flights from Detroit to Reagan-National?

    Yes. Cheapflights offers flight deals from Detroit to Reagan-National 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. Reagan-National Airport?

    Currently, August is the cheapest month in which you can book a flight from Detroit to Washington, D.C. Reagan-National Airport (average of $85). Flying from Detroit to Washington, D.C. Reagan-National Airport in January 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. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Falls Church
Fredericksburg
Hanover
Manassas
Silver Spring
Laurel
Clinton
Hunt Valley
Cordova
Woodbridge

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Top 4 airlines flying from Detroit to Reagan-National

Discover the top 4 airlines that operate flights from Detroit to Reagan-National. 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 July 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$174Average$238FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$189Average$279FlexibilityNo cancel feeOn-time71%
DeltaCheapest$189Average$295FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$249Average$436FlexibilityNo cancel feeOn-time69%

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