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$99+ Cheap flights from Dulles Intl (IAD) to Detroit (DTT)

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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DTT
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
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Cheap flight deals from Dulles Intl to Detroit

Cheapest flights from Dulles Intl to Detroit
Explore the most affordable flight options available from Dulles Intl to Detroit. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:20 am
IAD
-
DTW
1 stop7h 19m
Frontier
Wed 9/210:18 am
DTW
-
IAD
1 stop9h 26m
Frontier
Deal found 7/30$161
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:04 pm
IAD
-
DTW
1 stop27h 38m
Frontier
Mon 9/143:25 pm
DTW
-
IAD
1 stop8h 45m
Frontier
Deal found 7/30$162
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/248:39 pm
IAD
-
DTW
1 stop12h 41m
Frontier
Wed 8/2610:18 am
DTW
-
IAD
1 stop9h 26m
Frontier
Deal found 7/31$163
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:39 pm
IAD
-
DTW
1 stop12h 41m
Frontier
Sat 8/299:49 am
DTW
-
IAD
1 stop6h 18m
Frontier
Deal found 7/30$165
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:04 pm
IAD
-
DTW
1 stop14h 47m
Frontier
Thu 9/243:25 pm
DTW
-
IAD
1 stop8h 45m
Frontier
Deal found 7/30$167
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:20 am
IAD
-
DTW
1 stop18h 44m
Frontier
Sat 8/299:49 am
DTW
-
IAD
1 stop6h 18m
Frontier
Deal found 7/30$168
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:04 pm
IAD
-
DTW
1 stop14h 34m
Frontier
Sat 9/267:00 am
DTW
-
IAD
1 stop10h 18m
Frontier
Deal found 7/29$171

Find flight deals from Dulles Intl to Detroit

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Detroit (DTT). 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 August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$161
(Kiwi.com)

One-way from

$99
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$304

Good round-trip deal

$296 or less

Good one-way deal

$252 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Detroit (DTT) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Detroit (DTT) flights.
Search Deals
From Washington, D.C. Dulles Intl to Detroit (DTT)
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Detroit (DTT)
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($31 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 August 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Detroit (DTT).
Search Deals
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Detroit (DTT).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Detroit 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 August 1, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Detroit that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Mon 8/24

6:10 am-7:47 am

Nonstop1h 37m

Detroit Metropolitan Wayne County

Tue 9/1

8:50 am-10:23 am

Nonstop1h 33m

$205

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Tue 8/25

6:10 am-7:47 am

Nonstop1h 37m

Detroit Metropolitan Wayne County

Sat 8/29

5:20 am-10:04 am

1 stop4h 44m

$206

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Thu 9/3

11:10 am-12:47 pm

Nonstop1h 37m

Detroit Metropolitan Wayne County

Sun 9/6

8:00 am-1:43 pm

1 stop5h 43m

$207
Quickest round-trip

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Thu 9/17

11:10 am-12:44 pm

Nonstop1h 34m

Detroit Metropolitan Wayne County

Sun 9/20

8:50 am-10:21 am

Nonstop1h 31m

$208

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Fri 8/28

5:47 pm-12:59 am

1 stop7h 12m

Detroit Metropolitan Wayne County

Mon 8/31

8:50 am-10:23 am

Nonstop1h 33m

$218

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Thu 8/13

5:25 pm-7:14 pm

Nonstop1h 49m

Detroit Metropolitan Wayne County

Tue 8/18

3:05 pm-4:38 pm

Nonstop1h 33m

$223

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Wed 8/19

5:47 pm-12:59 am

1 stop7h 12m

Detroit Metropolitan Wayne County

Sat 8/22

9:50 pm-11:26 pm

Nonstop1h 36m

$243

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Sat 8/15

8:35 am-10:10 am

Nonstop1h 35m

Detroit Metropolitan Wayne County

Sat 8/22

10:20 am-11:51 am

Nonstop1h 31m

$247

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Wed 11/18

8:35 am-10:18 am

Nonstop1h 43m

Detroit Metropolitan Wayne County

Mon 11/30

5:45 am-7:21 am

Nonstop1h 36m

$258
Cheapest one-way

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Sat 9/5

5:25 pm-7:14 pm

Nonstop1h 49m

$170

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Dulles Intl to Detroit

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 Dulles Intl to Detroit in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 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 Washington, D.C. Dulles Intl Airport-Detroit flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Detroit flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Detroit flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Detroit 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 Washington, D.C. Dulles Intl Airport-Detroit 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 Dulles Intl to Detroit

Have a flexible travel schedule? Discover the best time to fly to Detroit from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Detroit

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Detroit (average of $244). Flying from Washington, D.C. Dulles Intl Airport to Detroit in March is currently the most expensive (average of $388). 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 IAD to DTT?

Find hourly flight availability from Dulles Intl to Detroit. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 26% on flights from Washington, D.C. Dulles Intl Airport to Detroit by exploring options for tickets in the evening.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Detroit

Explore weekly flight availability from Dulles Intl to Detroit. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 1, 2026.

The most flights from IAD to DTT are scheduled on a Friday (26 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

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

Airfare is below average for this route at the moment.
Washington, D.C. Dulles Intl Airport to Detroit flights typically cost between $239 and $379 in August.
The cheapest round-trip price found within the last 5 days was $161 on Frontier (Aug 31-Sep 2).

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

The price you pay for your flight from Washington, D.C. Dulles Intl Airport to Detroit may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Detroit?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Detroit. Price data was last updated on August 1, 2026.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Detroit flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Detroit

Get insights into the airlines that provide service to Detroit. 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 Detroit. Reviews last updated August 1, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andFrontier from Washington, D.C. Dulles Intl Airport to Detroit. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.8
Good
8,494 reviews

Crew

8.5

Food

7.2

Overall

7.8

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Danielle,Aug 2023

RSW - DTW

We were supposed to land 1/2 early but instead was diverted to Cleveland for unknown reason with 10 other planes. Ended up in Detroit an hour and 1/2 late. People were waiting on me for quite a while. Very angry with Delta!!!!
Delta
7.8
Good
8,494 reviews
Delta
7.8
Good
8,494 reviews

Crew

8.5

Food

7.2

Overall

7.8

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Danielle,Aug 2023

RSW - DTW

We were supposed to land 1/2 early but instead was diverted to Cleveland for unknown reason with 10 other planes. Ended up in Detroit an hour and 1/2 late. People were waiting on me for quite a while. Very angry with Delta!!!!
United Airlines
7.4
Good
10,061 reviews
Delta
7.8
Good
8,494 reviews

Crew

8.5

Food

7.2

Overall

7.8

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Danielle,Aug 2023

RSW - DTW

We were supposed to land 1/2 early but instead was diverted to Cleveland for unknown reason with 10 other planes. Ended up in Detroit an hour and 1/2 late. People were waiting on me for quite a while. Very angry with Delta!!!!
Frontier
5.6
Fair
2,741 reviews
Delta
7.8
Good
8,494 reviews

Crew

8.5

Food

7.2

Overall

7.8

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
2.0
Mediocre

Danielle,Aug 2023

RSW - DTW

We were supposed to land 1/2 early but instead was diverted to Cleveland for unknown reason with 10 other planes. Ended up in Detroit an hour and 1/2 late. People were waiting on me for quite a while. Very angry with Delta!!!!

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Detroit. 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 into for flights to Detroit from Washington, D.C. Dulles Intl?

    If you book a flight to Detroit from Washington, D.C. Dulles Intl, you will be flying to All airports, which is the city’s only airport. Detroit All airports (DTT) is located 0.6 mi from the center of Detroit. There are 15 flights from Washington, D.C. Dulles Intl to All airports per day from 3 different airlines.

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

    For as low as $205, Delta can have you in Detroit from Washington, D.C. Dulles Intl Airport in 1h 37m. The distance between Washington, D.C. Dulles Intl Airport and Detroit is about 383 mi. Most flights are nonstop.

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

    According to our current data, Frontier ($59), Delta ($161), and United Airlines ($189) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Detroit. Frontier is currently priced 79% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $86. Users have also found prices from $89 and $107 on United Airlines and Delta, respectively.

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

    Consider GoJet (100%), SkyWest Airlines (91%) or Aeromexico (85%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Detroit.

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

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Detroit? While on average our users pay $826, our data indicates the cheapest price to be $158. The most popular route (Washington, D.C. Dulles Intl - Detroit Metropolitan Wayne County), is priced around $155.

  • Can I find deals for flights from Dulles Intl to Detroit that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Detroit flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Detroit?

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

  • Can I find deals for business class flights from Dulles Intl to Detroit?

    Yes. Cheapflights offers flight deals from Dulles Intl to Detroit 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 Washington, D.C. Dulles Intl Airport to Detroit?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Detroit (average of $244). Flying from Washington, D.C. Dulles Intl Airport to Detroit in March is currently the most expensive (average of $388). 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 Detroit?

Book flights to Detroit if you plan to visit one of these locations
Roseville
Port Huron

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Top 3 airlines flying from Dulles Intl to Detroit

Discover the top 3 airlines that operate flights from Dulles Intl to Detroit. 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 August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$225FlexibilityNo cancel feeOn-time62%
DeltaCheapest$161Average$305FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$342FlexibilityNo cancel feeOn-time69%

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