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$69+ 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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DTT
Jul 23 — Jul 301
Wed 7/23
Wed 7/30
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Detroit All airports are usually found in February or June, booked 29 days in advance, depart on a Saturday or Friday and return on a Friday

Cheap 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 July 18, 2025.

Round-trip from

$137
(Delta)

One-way from

$69
(Delta)

Popular in

November

Cheapest in

February

Average price

$341

Good round-trip deal

$259 or less

Good one-way deal

$166 or less
From Washington, D.C. Dulles Intl to Detroit (DTT)
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One-way flight from Washington, D.C. Dulles Intl to Detroit (DTT)
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Highest demand for flights based on searches. 12% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Detroit (DTT).
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Detroit (DTT).
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Find 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 July 18, 2025.

This United Airlines deal was found by Cheapflights users on 7/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2410:18 pmIAD - DTW
Nonstop1h 41mUnited Airlines
Tue 9/302:45 pmDTW - IAD
Nonstop1h 36mUnited Airlines
Deal found 7/14$137
This Delta deal was found by Cheapflights users on 7/14. 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 8/306:15 pmIAD - DTW
Nonstop1h 50mDelta
Tue 9/29:55 pmDTW - IAD
Nonstop1h 31mDelta
Deal found 7/14$149
This Frontier deal was found by Cheapflights users on 7/16. 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.
Sat 8/26:10 amIAD - DTW
1 stop5h 15mFrontier
Tue 8/512:18 pmDTW - IAD
1 stop12h 01mFrontier
Deal found 7/16$200
This Mytrip deal was found by Cheapflights users on 7/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1411:04 amIAD - DTW
1 stop8h 34mMultiple Airlines
Sun 8/176:15 amDTW - IAD
2 stops14h 07mMultiple Airlines
Deal found 7/17$212

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 July 18, 2025.
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

Dulles Intl

Fly to

Detroit

Route

Depart

Return

Price

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Wed 9/24

10:18 pm-11:59 pm

Nonstop1h 41m

Detroit Metropolitan Wayne County

Tue 9/30

2:45 pm-4:21 pm

Nonstop1h 36m

$137

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Sat 8/30

6:15 pm-8:05 pm

Nonstop1h 50m

Detroit Metropolitan Wayne County

Tue 9/2

9:55 pm-11:26 pm

Nonstop1h 31m

$149

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Sat 8/2

6:10 am-11:25 am

1 stop5h 15m

Detroit Metropolitan Wayne County

Tue 8/5

12:18 pm-12:19 am

1 stop12h 01m

$200

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Thu 8/14

11:04 am-7:38 pm

1 stop8h 34m

Detroit Metropolitan Wayne County

Sun 8/17

6:15 am-8:22 pm

2 stops14h 07m

$212

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Wed 8/13

5:11 pm-6:58 pm

Nonstop1h 47m

$69

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Tue 9/16

8:20 am-9:57 am

Nonstop1h 37m

$87

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Thu 8/14

11:04 am-7:38 pm

1 stop8h 34m

$91

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Wed 8/6

6:10 am-11:25 am

1 stop5h 15m

$102

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Sun 8/31

6:34 am-11:04 am

1 stop4h 30m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Detroit. Price data was last updated on July 11, 2025.

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 29 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Detroit (average of $257). Flying from Washington, D.C. Dulles Intl Airport to Detroit in March 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 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 July 18, 2025.

Unlike in the morning, 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.

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 July 13, 2025.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Detroit flight should consider departing on Wednesday evenings 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.

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 July 18, 2025.

The most flights from IAD to DTT are scheduled on a Thursday (30 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).

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 July 18, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines 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
8.0
Very good
7,959 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,959 reviews
Delta
8.0
Very good
7,959 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,864 reviews
Delta
8.0
Very good
7,959 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,959 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.9
Fair
3,250 reviews
Delta
8.0
Very good
7,959 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 25 flights from Washington, D.C. Dulles Intl to All airports per day from 3 different airlines.

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

    According to our current data, Delta ($137), United Airlines ($156), and Frontier ($200) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Detroit. Delta is currently priced 51% 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 Delta. According to our data, you can fly for as low as $69. Users have also found prices from $87 and $102 on United Airlines and Frontier, respectively.

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

    Consider Republic Airways (85%), Aeromexico (80%) or SkyWest Airlines (79%) 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 $1,159, our data indicates the cheapest price to be $123. The most popular route (Washington, D.C. Dulles Intl - Detroit Metropolitan Wayne County), is priced around $137.

  • 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, April is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Detroit (average of $257). Flying from Washington, D.C. Dulles Intl Airport to Detroit in March 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 Detroit?

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

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Alternative routes for Dulles Intl to Detroit

See prices for flight routes from nearby airports that may be better suited for you.
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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 July 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$42Average$198FlexibilityNo cancel feeOn-time62%
DeltaCheapest$158Average$256FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$167Average$302FlexibilityNo cancel feeOn-time69%

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