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Dulles Intl

$126+ Cheap flights from Wilmington (ILM) to Dulles Intl (IAD)

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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — IAD
Aug 17 — Aug 241
Mon 8/17
Mon 8/24
1 adult, Economy
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Cheap flight deals from Wilmington to Dulles Intl

Cheapest flights from Wilmington to Dulles Intl
Explore the most affordable flight options available from Wilmington to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:39 pm
ILM
-
IAD
1 stop27h 59m
Multiple Airlines
Mon 8/177:48 am
IAD
-
ILM
2 stops27h 20m
Multiple Airlines
Deal found 7/13$250
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/33:39 pm
ILM
-
IAD
1 stop27h 59m
Multiple Airlines
Mon 8/106:09 pm
IAD
-
ILM
2 stops16h 59m
Multiple Airlines
Deal found 7/14$264
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/33:39 pm
ILM
-
IAD
1 stop27h 59m
Multiple Airlines
Wed 8/128:33 pm
IAD
-
ILM
2 stops18h 17m
Multiple Airlines
Deal found 7/14$271
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/410:46 am
ILM
-
IAD
1 stop23h 30m
Multiple Airlines
Mon 8/106:09 pm
IAD
-
ILM
2 stops16h 59m
Multiple Airlines
Deal found 7/14$279

Find flight deals from Wilmington to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Wilmington (ILM) to Dulles Intl (IAD). 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, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$250
(Kiwi.com)

One-way from

$126
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$302
Provider with most accurate pricing for Wilmington New Hanover County-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Wilmington New Hanover County-Washington, D.C. Dulles Intl flights.
Search Deals
From Wilmington New Hanover County to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Wilmington New Hanover County to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Thu 8/20

6:47 pm-12:34 am

1 stop5h 47m

Washington, D.C. Dulles Intl

Sun 8/23

5:47 pm-11:57 pm

1 stop6h 10m

$459

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Sat 9/5

12:15 pm-4:42 pm

1 stop4h 27m

Washington, D.C. Dulles Intl

Sun 9/6

11:10 am-10:06 pm

2 stops10h 56m

$459

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Thu 10/1

5:50 pm-12:40 am

1 stop6h 50m

Washington, D.C. Dulles Intl

Sun 10/4

6:10 am-1:42 pm

2 stops7h 32m

$504

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Thu 10/22

2:24 pm-6:43 pm

1 stop4h 19m

Washington, D.C. Dulles Intl

Sun 10/25

6:00 am-1:39 pm

2 stops7h 39m

$504

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Thu 10/22

2:24 pm-6:43 pm

1 stop4h 19m

Washington, D.C. Dulles Intl

Mon 10/26

6:00 am-1:39 pm

2 stops7h 39m

$504
Quickest round-trip

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Thu 8/13

6:00 am-11:33 am

1 stop5h 33m

Washington, D.C. Dulles Intl

Thu 8/20

7:26 pm-11:57 pm

1 stop4h 31m

$509

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Thu 8/6

6:47 pm-12:34 am

1 stop5h 47m

Washington, D.C. Dulles Intl

Thu 8/13

7:26 pm-11:57 pm

1 stop4h 31m

$539

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Thu 7/30

2:28 pm-9:03 pm

1 stop6h 35m

Washington, D.C. Dulles Intl

Mon 8/3

7:26 pm-11:57 pm

1 stop4h 31m

$539
Cheapest one-way

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Thu 8/6

4:30 pm-11:20 am

2 stops18h 50m

$144

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Mon 10/19

3:10 pm-5:36 pm

2 stops26h 26m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/13

Showing 1-10 of 18 resultsSorted by cheapest first
1
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Compare providers for flights from Wilmington to Dulles Intl

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 Wilmington to Dulles Intl in July.
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 Wilmington-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Wilmington-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Wilmington-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Wilmington-Washington, D.C. Dulles Intl Airport 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 Wilmington-Washington, D.C. Dulles Intl Airport 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 Wilmington to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Wilmington 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.

Related info for your journey

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

    Most people fly from Wilmington New Hanover County (ILM) if they book a flight from Wilmington to Washington, D.C. Dulles Intl. On average, New Hanover County has 0 outbound flights to Washington, D.C. Dulles Intl per day from 0 airlines. Wilmington New Hanover County is conveniently located just 4.3 mi from Wilmington’s city center.

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

    A quick flight from Wilmington to Washington, D.C. Dulles Intl Airport can take about 5h 47m. Delta provides one of the quickest options available for as low as $459. Wilmington and Washington, D.C. Dulles Intl Airport are separated by a distance of 324 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Wilmington to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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
Alexandria
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Manassas
Fredericksburg
Falls Church
Hanover
Laurel
Sterling
Clinton
Hunt Valley
Cordova

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