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Dulles Intl

$88+ Cheap flights from Detroit Metropolitan Wayne County Airport (DTW) 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
DTW — IAD
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
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Find cheap flights from Detroit to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Detroit Metropolitan Wayne County to Washington, D.C. Dulles Intl are usually found in July or September, booked 66 days in advance, depart on a Friday or Thursday and return on a Saturday

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 April 28, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Mon 5/187:53 pm
DTW
-
IAD
2 stops14h 19m
Multiple Airlines
Tue 5/265:30 pm
IAD
-
DTW
1 stop30h 23m
Multiple Airlines
Deal found 4/23$206
This Kiwi.com deal was found by Cheapflights users on 4/23. 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.
Thu 5/211:59 pm
DTW
-
IAD
1 stop20h 13m
Frontier
Thu 5/2811:07 am
IAD
-
DTW
1 stop13h 31m
Frontier
Deal found 4/23$208
This Kiwi.com deal was found by Cheapflights users on 4/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:59 pm
DTW
-
IAD
1 stop9h 10m
Multiple Airlines
Thu 5/218:47 pm
IAD
-
DTW
1 stop11h 05m
Multiple Airlines
Deal found 4/27$209
This Orbitz deal was found by Cheapflights users on 4/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:10 am
DTW
-
IAD
1 stop11h 15m
Frontier
Wed 7/227:49 am
IAD
-
DTW
1 stop9h 01m
Frontier
Deal found 4/27$210
This Booking.com deal was found by Cheapflights users on 4/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:57 pm
DTW
-
IAD
1 stop20h 17m
Frontier
Wed 5/136:27 pm
IAD
-
DTW
1 stop6h 12m
Frontier
Deal found 4/27$212
This Delta deal was found by Cheapflights users on 4/28. 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.
Thu 5/218:45 am
DTW
-
IAD
Nonstop1h 37m
Delta
Mon 5/256:00 am
IAD
-
DTW
Nonstop1h 31m
Delta
Deal found 4/28$213
This Kiwi.com deal was found by Cheapflights users on 4/23. 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 5/232:40 pm
DTW
-
IAD
1 stop8h 29m
Multiple Airlines
Sat 5/3011:07 am
IAD
-
DTW
2 stops9h 48m
Multiple Airlines
Deal found 4/23$214
This Frontier deal was found by Cheapflights users on 4/24. 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.
Wed 4/297:04 pm
DTW
-
IAD
1 stop5h 32m
Frontier
Fri 5/86:17 pm
IAD
-
DTW
1 stop6h 22m
Frontier
Deal found 4/24$215
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
Thu 5/146:50 am
DTW
-
IAD
1 stop9h 31m
Frontier
Mon 5/187:27 pm
IAD
-
DTW
2 stops45h 53m
Frontier
Deal found 4/26$216
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 7/16:10 am
DTW
-
IAD
1 stop17h 07m
Frontier
Thu 7/97:49 am
IAD
-
DTW
1 stop16h 51m
Frontier
Deal found 4/25$217
This Priceline deal was found by Cheapflights users on 4/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/112:54 pm
DTW
-
IAD
1 stop8h 19m
Frontier
Sat 7/186:49 am
IAD
-
DTW
1 stop6h 55m
Frontier
Deal found 4/27$218
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 5/162:40 pm
DTW
-
IAD
1 stop8h 29m
Frontier
Thu 5/217:45 am
IAD
-
DTW
1 stop17h 11m
Frontier
Deal found 4/25$219

Find flight deals from Detroit to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTW) 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 April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$206
(Kiwi.com)

One-way from

$88
(Kiwi.com)

Popular in

June

Cheapest in

July

Average price

$304

Good round-trip deal

$354 or less

Good one-way deal

$246 or less
Provider with most accurate pricing for Detroit Metropolitan Wayne County-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit Metropolitan Wayne County-Washington, D.C. Dulles Intl flights.
Search Deals
From Detroit Metropolitan Wayne County to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Detroit Metropolitan Wayne County to Washington, D.C. Dulles Intl
Search Deals
High demand for flights, 2% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Detroit Metropolitan Wayne County to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Detroit Metropolitan Wayne County 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 April 28, 2026.
Use the filters below to find and compare flights from Detroit Metropolitan Wayne County Airport 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

Sat 5/16

5:10 am-9:58 am

1 stop4h 48m

Washington, D.C. Dulles Intl

Thu 5/21

11:15 am-12:53 pm

Nonstop1h 38m

$241

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Fri 5/22

9:25 pm-10:56 pm

Nonstop1h 31m

Washington, D.C. Dulles Intl

Tue 5/26

6:00 am-7:31 am

Nonstop1h 31m

$248

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Fri 7/10

10:13 am-11:50 am

Nonstop1h 37m

Washington, D.C. Dulles Intl

Thu 7/16

8:35 am-10:14 am

Nonstop1h 39m

$249

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Thu 7/23

9:38 pm-11:13 pm

Nonstop1h 35m

Washington, D.C. Dulles Intl

Tue 7/28

11:05 am-12:42 pm

Nonstop1h 37m

$249

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Sat 6/13

9:38 pm-11:14 pm

Nonstop1h 36m

Washington, D.C. Dulles Intl

Sun 6/14

11:05 am-12:39 pm

Nonstop1h 34m

$249

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Thu 6/11

8:45 am-10:20 am

Nonstop1h 35m

Washington, D.C. Dulles Intl

Sun 6/14

6:05 am-7:45 am

Nonstop1h 40m

$249

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Fri 5/29

3:00 pm-9:24 pm

1 stop6h 24m

Washington, D.C. Dulles Intl

Sun 5/31

6:00 am-7:31 am

Nonstop1h 31m

$259

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Fri 6/5

8:45 am-10:22 am

Nonstop1h 37m

Washington, D.C. Dulles Intl

Mon 6/8

3:02 pm-10:56 pm

1 stop7h 54m

$259

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Tue 5/19

8:45 am-10:22 am

Nonstop1h 37m

Washington, D.C. Dulles Intl

Sat 5/23

5:21 pm-6:57 pm

Nonstop1h 36m

$274

DetroitWashington, D.C.

DTW - IAD

DTWIAD

Detroit Metropolitan Wayne County

Thu 6/4

10:13 am-11:50 am

Nonstop1h 37m

Washington, D.C. Dulles Intl

Sat 6/6

8:35 am-10:14 am

Nonstop1h 39m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 23 resultsSorted by cheapest first
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust 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 Metropolitan Wayne County Airport-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 Metropolitan Wayne County Airport-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 Metropolitan Wayne County Airport-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 Metropolitan Wayne County Airport-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 Metropolitan Wayne County Airport-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 Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport

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

The best time to book flights from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport is 65 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, July is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport (average of $215). Flying from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $305). 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 DTW 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 April 28, 2026.

When flying from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 39% versus a flight at noon.

What is the cheapest day to fly from Detroit Metropolitan Wayne County Airport 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 April 25, 2026.

Travelers seeking maximum savings on their Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Friday mornings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

The best insider tips for Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport trip
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on DTW

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 April 28, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andFrontier from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl 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
7.9
Good
8,467 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,467 reviews
Delta
7.9
Good
8,467 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,678 reviews
Delta
7.9
Good
8,467 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Frontier
5.7
Fair
2,970 reviews
Delta
7.9
Good
8,467 reviews

Comfort

7.9

Crew

8.5

Food

7.2

Overall

7.9

Entertainment

7.8

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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?

    Detroit Metropolitan Wayne County (DTW) is the airport you will fly out of if you book a flight from Detroit to Washington, D.C. Dulles Intl. You should not have trouble finding flights to Washington, D.C. Dulles Intl from Detroit Metropolitan Wayne County; the airport handles an average of 20 outbound flights to Washington, D.C. Dulles Intl per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Detroit airport to Washington, D.C. Dulles Intl. It is only a 17.3 mi journey to Detroit Metropolitan Wayne County (DTW) from Detroit’s city center.

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

    Delta and United Airlines can get you from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport in just under 1h 37m. Your travel time can differ by up to 3h 11m. Detroit Metropolitan Wayne County Airport and Washington, D.C. Dulles Intl Airport are separated by a distance of 383 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Frontier, at $98, was found to be the cheapest airline from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Delta and United Airlines. Frontier is 62% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $59. Users have also found prices from $88 and $119 on Delta and United Airlines, respectively.

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

    Consider GoJet (100%), Mesa Airlines (91%) or Endeavor Airlines (90%) when booking your flight. These represent the most reliable airlines when flying from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport.

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

    While on average a flight from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport is generally $1,009, our data shows the cheapest flight currently is $184. When looking at the most popular route, (Detroit Metropolitan Wayne County - Washington, D.C. Dulles Intl), you can expect to pay $140 for that flight.

  • 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 Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport?

    Currently, July is the cheapest month in which you can book a flight from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport (average of $215). Flying from Detroit Metropolitan Wayne County Airport to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $305). 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
Tysons
Owings Mills
Springfield
Arlington
Silver Spring
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Woodbridge
Hanover
Laurel
Largo
Upper Marlboro
Waldorf
Clinton
Hunt Valley
Cordova

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Detroit to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Detroit to Reagan-National flights
Detroit to Baltimore flights

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 April 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$98Average$179FlexibilityNo cancel feeOn-time62%
DeltaCheapest$163Average$261FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$269FlexibilityNo cancel feeOn-time69%

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