HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Detroit

$79+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DTT
Jun 16 — Jun 231
Mon 6/16
Mon 6/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Detroit 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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Detroit All airports are usually found in February or January, booked 29 days in advance, depart on a Saturday or Wednesday 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 June 11, 2025.

Round-trip from

$157
(Delta)

One-way from

$79
(Delta)

Popular in

November

Cheapest in

February

Average price

$259

Good round-trip deal

$254 or less

Good one-way deal

$173 or less
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. 14% potential increase in price ($48 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 June 2025
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

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 June 11, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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.
Tue 8/191:00 pmIAD - DTW
Nonstop1h 36mDelta
Wed 8/2010:00 amDTW - IAD
Nonstop1h 32mDelta
Deal found 6/10$157
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 8/115:13 pmIAD - DTW
1 stop4h 52mUnited Airlines
Wed 8/136:00 amDTW - IAD
Nonstop1h 35mUnited Airlines
Deal found 6/11$163
This Priceline deal was found by Cheapflights users on 6/8. 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 8/236:10 amIAD - DTW
1 stop7h 19mFrontier
Tue 8/263:55 pmDTW - IAD
1 stop5h 37mFrontier
Deal found 6/8$170
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Sun 6/2911:12 amIAD - DTW
1 stop20h 37mMultiple Airlines
Fri 7/46:55 pmDTW - IAD
1 stop25h 58mMultiple Airlines
Deal found 6/10$197
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:16 amIAD - DTW
1 stop6h 02mAmerican Airlines
Sun 10/56:00 amDTW - IAD
1 stop5h 33mAmerican Airlines
Deal found 6/11$263

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 June 11, 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

Tue 8/19

6:00 am-7:30 am

Nonstop1h 30m

Detroit Metropolitan Wayne County

Wed 8/20

10:00 am-11:32 am

Nonstop1h 32m

$157

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Mon 8/11

5:13 pm-10:05 pm

1 stop4h 52m

Detroit Metropolitan Wayne County

Wed 8/13

6:00 am-7:35 am

Nonstop1h 35m

$163

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Sat 8/23

6:10 am-1:29 pm

1 stop7h 19m

Detroit Metropolitan Wayne County

Tue 8/26

3:55 pm-9:32 pm

1 stop5h 37m

$170

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Sun 6/29

11:12 am-7:49 am

1 stop20h 37m

Detroit Metropolitan Wayne County

Fri 7/4

6:55 pm-8:53 pm

1 stop25h 58m

$197

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Thu 10/2

9:16 am-3:18 pm

1 stop6h 02m

Detroit Metropolitan Wayne County

Sun 10/5

6:00 am-11:33 am

1 stop5h 33m

$263

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Mon 8/18

6:00 am-7:30 am

Nonstop1h 30m

$79

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Mon 8/11

5:13 pm-10:05 pm

1 stop4h 52m

$84

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Tue 8/5

6:10 am-11:25 am

1 stop5h 15m

$85

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Sun 8/10

11:58 am-12:27 pm

1 stop24h 29m

$89

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Thu 8/21

6:34 am-6:15 pm

2 stops11h 41m

$180

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 June 9, 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 June 11, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 28% 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 June 8, 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 June 11, 2025.

The most flights from IAD to DTT are scheduled on a Tuesday (28 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (17 on average).

Rainfall in Detroit by month

Plan your trip to Detroit by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Detroit ranges from 1.8 - 3.1 inches per month. August is typically the wettest month, when rainfall can reach 3.1 in. January is typically the driest time to visit Detroit when rainfall is around 1.8 in.

Temperature in Detroit by month

Plan your trip to Detroit by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Detroit, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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 June 11, 2025.
To help decide which airline to fly from Washington, D.C. to Detroit, see what other customers have to say about Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,945 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

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
7,945 reviews
Delta
8.0
Very good
7,945 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

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
8,784 reviews
Delta
8.0
Very good
7,945 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

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
7,945 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

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
3,293 reviews
Delta
8.0
Very good
7,945 reviews

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Entertainment

7.9

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 ($157), United Airlines ($163), and Frontier ($170) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Detroit. Delta is currently priced 43% 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 $79. Users have also found prices from $84 and $85 on United Airlines and Frontier, respectively.

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

    Consider China Eastern (90%), Aeromexico (88%) or SkyWest Airlines (87%) 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 $1,400, our data indicates the cheapest price to be $115. The most popular route (Washington, D.C. Dulles Intl - Detroit Metropolitan Wayne County), is priced around $157.

  • 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 Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Roseville
Port Huron

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Detroit

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to O'Hare Intl flights
Baltimore to O'Hare Intl flights
Reagan-National to O'Hare Intl flights
Dulles Intl to Midway flights
Reagan-National to Detroit flights
Dulles Intl to Detroit flights
Baltimore to Midway flights
Baltimore to Detroit flights
Reagan-National to Midway flights
Reagan-National to Grand Rapids flights
Dulles Intl to Grand Rapids flights
Baltimore to Grand Rapids flights
Reagan-National to Traverse City flights
Dulles Intl to Traverse City flights
Baltimore to Traverse City flights
Reagan-National to South Bend flights
Dulles Intl to South Bend flights
Baltimore to Lansing flights
Dulles Intl to Lansing flights
Baltimore to Flint flights
Baltimore to South Bend flights
Reagan-National to Lansing flights
Reagan-National to Flint flights
Dulles Intl to Flint flights
Dulles Intl to Bay City flights
Baltimore to Bay City flights
Reagan-National to Bay City flights
Baltimore to Pellston flights
Dulles Intl to Pellston flights
Reagan-National to Marquette flights
Dulles Intl to Kalamazoo flights
Dulles Intl to Marquette flights
Reagan-National to Pellston flights
Baltimore to Kalamazoo flights
Reagan-National to Kalamazoo flights
Baltimore to Marquette flights
Reagan-National to Sault Ste. Marie flights
Baltimore to Hancock flights
Dulles Intl to Iron Mountain flights
Reagan-National to Iron Mountain flights
Baltimore to Sault Ste. Marie flights
Dulles Intl to Sault Ste. Marie flights
Reagan-National to Muskegon flights
Dulles Intl to Alpena flights
Dulles Intl to Muskegon flights
Reagan-National to Alpena flights
Baltimore to Alpena flights
Reagan-National to Hancock flights
Dulles Intl to Hancock flights

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 June 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$256FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$169Average$297FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$254Average$258FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.