$69 Cheap Delta flights Detroit (DTW) to Washington (IAD)

View $69 flight on Wed, Sep 17, 2025Opens in a new window

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$69 Cheap Delta flights Detroit (DTW) to Washington (IAD)

Prices were available within the past 7 days and start at $69 for one-way flights and $137 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Sep 22 - Wed, Sep 24
DTW
Detroit
IAD
Washington
$137 Roundtrip, just found
$137
Roundtrip
just found
Select Delta flight, departing Mon, Sep 22 from Detroit to Washington, returning Wed, Sep 24, priced at $137 just found
Delta
Sat, Sep 20 - Tue, Sep 23
DTW
Detroit
IAD
Washington
$144 Roundtrip, found 1 hour ago
$144
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Sep 20 from Detroit to Washington, returning Tue, Sep 23, priced at $144 found 1 hour ago
Delta
Tue, Sep 2 - Wed, Sep 24
DTW
Detroit
IAD
Washington
$155 Roundtrip, found 1 day ago
$155
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Sep 2 from Detroit to Washington, returning Wed, Sep 24, priced at $155 found 1 day ago
Delta
Sat, Aug 30 - Sun, Aug 31
DTW
Detroit
IAD
Washington
$165 Roundtrip, found 1 day ago
$165
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Aug 30 from Detroit to Washington, returning Sun, Aug 31, priced at $165 found 1 day ago
Delta
Wed, Oct 8 - Thu, Oct 9
DTW
Detroit
IAD
Washington
$167 Roundtrip, found 4 hours ago
$167
Roundtrip
found 4 hours ago
Select Delta flight, departing Wed, Oct 8 from Detroit to Washington, returning Thu, Oct 9, priced at $167 found 4 hours ago
Flights from Detroit (DTW) to Washington (IAD)
Origin airport
Detroit Metropolitan Wayne County
Destination airport
Washington Dulles Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, United
Popular airline
United
Distance
383 mi
Average flight time
1 hour 33 mins

Frequently asked questions

How much is a Delta Air Lines flight from Detroit Metropolitan Wayne County Airport (DTW) to Washington Dulles Intl. Airport (IAD)?
You'll find budget-friendly return Delta Air Lines flights from $137 from DTW to IAD by filtering your results from "Price (lowest to highest)" on Expedia. Or search for deals from $69 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DTW to IAD with Delta Air Lines?
Delta Air Lines flights to Washington are generally more affordable in the low-season months of January and February. Whether you're in search of a one-way or round-trip ticket, you could score a better deal then.
What is the cheapest time to book flights from Detroit Metropolitan Wayne County Airport (DTW) to Washington Dulles Intl. Airport (IAD) with Delta Air Lines?
To find cheap Delta Air Lines fares from Detroit Metropolitan Wayne County Airport (DTW) to Washington Dulles Intl. Airport (IAD), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the overall cost. Sunday is usually the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Detroit Metropolitan Wayne County Airport (DTW) to Washington Dulles Intl. Airport (IAD)?
Hop on one of Delta Air Lines's 21 direct weekly flights from Detroit Metropolitan Wayne County Airport (DTW) to Washington Dulles Intl. Airport (IAD). To see your choices, enter your travel dates, origin and destination and hit search. Next, apply the "Nonstop" and "Airline" filters.
How long does it take to fly from DTW to IAD with Delta Air Lines?
From takeoff to arrival, a direct Delta Air Lines flight from Detroit Metropolitan Wayne County Airport (DTW) to Washington Dulles Intl. Airport (IAD) typically takes 1h 34m.
Which day of the week has the most Delta Air Lines flights from Detroit Metropolitan Wayne County Airport (DTW) to Washington Dulles Intl. Airport (IAD)?
If you're looking for flexibility, Monday offers the most choice for Delta Air Lines flights from Detroit Metropolitan Wayne County Airport (DTW) to Washington Dulles Intl. Airport (IAD). You can select from 3 different departures.
What is the earliest Delta Air Lines flight from DTW to IAD?
The earliest Delta Air Lines flight from DTW to IAD departs at 10:10AM UTC-5, landing at 11:48AM UTC-5. If you'd like to head off later, the last Delta Air Lines flight leaves DTW at 9:40PM UTC-5 and touches down at IAD at 11:13PM UTC-5. Flying earlier is often a good option as morning flights are least likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Washington?
Washington Dulles Intl. Airport (IAD) is the main Washington gateway for Delta Air Lines flights from Detroit Metropolitan Wayne County Airport (DTW). Ronald Reagan Washington National Airport (DCA) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI) are two other possibilities. When organizing your getaway with Expedia, choose the "All Airports" option for your destination to see all available choices.
Why fly with Delta Air Lines from DTW to IAD?
With a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is the leading choice for many travelers heading from DTW to IAD. Also, if you're a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does Delta Air Lines fly from Detroit Metropolitan Wayne County Airport (DTW) to Washington Dulles Intl. Airport (IAD)?
Delta Air Lines typically uses Bombardier CRJ900 planes for journeys from Detroit Metropolitan Wayne County Airport (DTW) to Washington Dulles Intl. Airport (IAD). Keep in mind that aircraft type can change depending on operational demands, so the plane you'll be on might be different on your day of travel.
Can I change or cancel my Delta Air Lines flight from Detroit Metropolitan Wayne County Airport (DTW) to Washington Dulles Intl. Airport (IAD)?
Depending on the type of ticket you purchased, a fee may apply if you cancel or reschedule your booking more than 24 hours after it's confirmed. To secure plane tickets with more flexibility, select our "Changes included" or "No cancel fee" filter when looking for flights. To learn more about modifying or canceling your reservation, visit "Trips," select your flight and click on "Manage Booking."

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*Available to One Key members.