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$101+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DTT
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 October, booked 61 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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$189
(Delta)

One-way from

$101
(Frontier)

Popular in

December

Cheapest in

February

Average price

$239

Good round-trip deal

$274 or less

Good one-way deal

$190 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Detroit (DTT) flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Detroit (DTT) flights.
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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. 9% potential increase in price ($30 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 January 2026
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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 January 15, 2026.

This Delta deal was found by Cheapflights users on 1/14. 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.
Fri 2/66:00 am
IAD
-
DTW
Nonstop1h 50m
Delta
Sun 2/89:30 pm
DTW
-
IAD
Nonstop1h 36m
Delta
Deal found 1/14$189
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:20 am
IAD
-
DTW
1 stop7h 10m
Multiple Airlines
Tue 3/245:34 pm
DTW
-
IAD
1 stop6h 57m
Multiple Airlines
Deal found 1/14$190
This Kiwi.com deal was found by Cheapflights users on 1/15. 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.
Fri 1/309:35 am
IAD
-
DTW
2 stops11h 28m
Multiple Airlines
Thu 2/511:00 am
DTW
-
IAD
1 stop5h 28m
Multiple Airlines
Deal found 1/15$193
This Frontier deal was found by Cheapflights users on 1/13. 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.
Mon 2/2311:41 am
IAD
-
DTW
1 stop9h 24m
Frontier
Fri 2/2710:00 pm
DTW
-
IAD
1 stop11h 34m
Frontier
Deal found 1/13$195
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/3111:39 am
IAD
-
DTW
1 stop10h 29m
Multiple Airlines
Thu 2/511:00 am
DTW
-
IAD
1 stop5h 28m
Multiple Airlines
Deal found 1/14$196
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/62:58 pm
IAD
-
DTW
2 stops18h 24m
Multiple Airlines
Mon 2/95:05 am
DTW
-
IAD
1 stop11h 23m
Multiple Airlines
Deal found 1/14$198
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/145:05 am
IAD
-
DTW
1 stop6h 07m
Multiple Airlines
Wed 3/185:34 pm
DTW
-
IAD
1 stop6h 57m
Multiple Airlines
Deal found 1/14$199
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 3/106:20 am
IAD
-
DTW
1 stop7h 10m
Multiple Airlines
Fri 3/135:07 pm
DTW
-
IAD
1 stop7h 24m
Multiple Airlines
Deal found 1/15$200
This Kiwi.com deal was found by Cheapflights users on 1/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1910:10 am
IAD
-
DTW
1 stop8h 28m
Multiple Airlines
Mon 3/210:10 am
DTW
-
IAD
1 stop5h 58m
Multiple Airlines
Deal found 1/14$201
This Booking.com deal was found by Cheapflights users on 1/15. 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.
Fri 1/3010:50 am
IAD
-
DTW
1 stop9h 33m
Frontier
Sat 1/313:16 pm
DTW
-
IAD
1 stop17h 17m
Frontier
Deal found 1/15$202
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 1/261:31 pm
IAD
-
DTW
1 stop21h 23m
Frontier
Thu 1/297:14 pm
DTW
-
IAD
2 stops24h 44m
Frontier
Deal found 1/15$203
This Delta deal was found by Cheapflights users on 1/15. 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.
Fri 1/306:00 am
IAD
-
DTW
Nonstop1h 50m
Delta
Fri 2/610:10 am
DTW
-
IAD
Nonstop1h 42m
Delta
Deal found 1/15$204

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 January 15, 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

Dulles Intl

Fly to

Detroit

Route

Depart

Return

Price

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Mon 3/16

5:19 pm-7:04 pm

Nonstop1h 45m

Detroit Metropolitan Wayne County

Wed 3/25

10:00 am-11:32 am

Nonstop1h 32m

$189

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Fri 4/10

10:13 pm-11:59 pm

Nonstop1h 46m

Detroit Metropolitan Wayne County

Mon 4/13

6:00 am-7:35 am

Nonstop1h 35m

$189

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Wed 3/11

6:00 am-7:43 am

Nonstop1h 43m

Detroit Metropolitan Wayne County

Thu 3/26

3:09 pm-4:37 pm

Nonstop1h 28m

$189

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Sat 5/23

10:20 pm-11:59 pm

Nonstop1h 39m

Detroit Metropolitan Wayne County

Wed 5/27

10:10 am-11:45 am

Nonstop1h 35m

$189

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Tue 3/17

5:19 pm-7:04 pm

Nonstop1h 45m

Detroit Metropolitan Wayne County

Tue 3/31

10:00 am-11:32 am

Nonstop1h 32m

$189

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Wed 2/11

10:05 pm-11:55 pm

Nonstop1h 50m

Detroit Metropolitan Wayne County

Wed 2/18

2:40 pm-4:15 pm

Nonstop1h 35m

$189

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Thu 2/12

6:00 am-7:48 am

Nonstop1h 48m

Detroit Metropolitan Wayne County

Sun 2/15

10:13 am-11:53 am

Nonstop1h 40m

$189

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Sun 3/15

6:00 am-7:43 am

Nonstop1h 43m

Detroit Metropolitan Wayne County

Mon 3/30

9:30 pm-10:59 pm

Nonstop1h 29m

$189

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Fri 2/20

5:13 pm-6:59 pm

Nonstop1h 46m

Detroit Metropolitan Wayne County

Sun 2/22

9:35 pm-11:09 pm

Nonstop1h 34m

$189

Washington, D.C.Detroit

IAD - DTW

IADDTW

Washington, D.C. Dulles Intl

Fri 2/20

5:13 pm-6:59 pm

Nonstop1h 46m

Detroit Metropolitan Wayne County

Sat 2/21

2:56 pm-4:28 pm

Nonstop1h 32m

$189

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 23 results
1
2
3

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Detroit flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

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 January 9, 2026.

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 61 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, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Detroit (average of $119). Flying from Washington, D.C. Dulles Intl Airport to Detroit in January is currently the most expensive (average of $183). 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 January 15, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 25% 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 January 10, 2026.

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 January 15, 2026.

The most flights from IAD to DTT are scheduled on a Tuesday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 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 January 15, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and Frontier 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
7.9
Good
8,051 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Comfort

7.9

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
8,051 reviews
Delta
7.9
Good
8,051 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Comfort

7.9

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
9,164 reviews
Delta
7.9
Good
8,051 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Comfort

7.9

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
3,057 reviews
Delta
7.9
Good
8,051 reviews

Boarding

8.1

Crew

8.5

Overall

7.9

Food

7.2

Entertainment

7.8

Comfort

7.9

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 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 19 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 $189, Delta can have you in Detroit from Washington, D.C. Dulles Intl Airport in 1h 45m. 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 ($46), Delta ($135), and United Airlines ($165) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Detroit. Frontier is currently priced 83% 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 $78. Users have also found prices from $89 and $89 on Delta and United Airlines, respectively.

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

    Consider Sun Country Air (100%), Aeromexico (80%) or ANA (78%) 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 $459, our data indicates the cheapest price to be $145. The most popular route (Washington, D.C. Dulles Intl - Detroit Metropolitan Wayne County), is priced around $152.

  • 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, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Detroit (average of $119). Flying from Washington, D.C. Dulles Intl Airport to Detroit in January is currently the most expensive (average of $183). 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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$46Average$144FlexibilityNo cancel feeOn-time62%
DeltaCheapest$135Average$259FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$165Average$295FlexibilityNo cancel feeOn-time69%

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