HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$70+ Cheap flights from Wilmington (ILM) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — IAD
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Wilmington to Dulles Intl 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.

Cheap 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 April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$70
(Booking.com)

Popular in

March

Cheapest in

January

Average price

$463
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
Highest demand for flights based on searches. 18% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find 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 April 1, 2025.

This American Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 11/55:09 amILM - IAD
1 stop3h 29mAmerican Airlines
Wed 11/125:03 amIAD - ILM
1 stop3h 16mAmerican Airlines
Deal found 3/31$261
This Mytrip deal was found by Cheapflights users on 4/1. 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 5/227:20 amILM - IAD
2 stops34h 41mMultiple Airlines
Sat 5/249:50 pmIAD - ILM
1 stop20h 43mMultiple Airlines
Deal found 4/1$300
This Delta deal was found by Cheapflights users on 3/31. 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 4/296:00 amILM - IAD
1 stop7h 01mDelta
Tue 5/66:00 amIAD - ILM
1 stop4h 47mDelta
Deal found 3/31$347
This United deal was found by Cheapflights users on 3/31. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/214:41 pmILM - IAD
1 stop4h 26mUnited Airlines
Sun 5/255:33 pmIAD - ILM
2 stops22h 18mUnited Airlines
Deal found 3/31$377

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 April 1, 2025.
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

Wilmington

Fly to

Dulles Intl

Route

Depart

Return

Price

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Sat 5/3

6:20 pm-11:56 pm

1 stop5h 36m

Washington, D.C. Dulles Intl

Wed 5/7

5:02 am-8:24 am

1 stop3h 22m

$261

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Thu 5/22

7:20 am-6:01 pm

2 stops34h 41m

Washington, D.C. Dulles Intl

Sat 5/24

9:50 pm-6:33 pm

1 stop20h 43m

$300

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Tue 4/29

6:00 am-1:01 pm

1 stop7h 01m

Washington, D.C. Dulles Intl

Tue 5/6

6:00 am-10:47 am

1 stop4h 47m

$347

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Wed 5/21

4:41 pm-9:07 pm

1 stop4h 26m

Washington, D.C. Dulles Intl

Sun 5/25

5:33 pm-3:51 pm

2 stops22h 18m

$377

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Fri 5/2

12:25 pm-8:57 pm

1 stop8h 32m

$88

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Sun 6/1

7:20 am-6:01 pm

2 stops34h 41m

$185

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Tue 6/24

5:10 pm-11:52 am

2 stops18h 42m

$250

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Sun 6/1

12:48 pm-11:47 am

1 stop22h 59m

$296

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Mon 4/7

6:14 pm-11:56 pm

1 stop5h 42m

$359

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Sat 4/19

6:00 am-11:23 am

1 stop5h 23m

$369

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 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.

Cheapflights Insights

Everything you need to know about your flight from Wilmington to Washington, D.C. Dulles Intl Airport

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

Currently, August is the cheapest month in which you can book a flight from Wilmington to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Wilmington to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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 ILM to IAD?

Find hourly flight availability from Wilmington to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 1, 2025.

A simple way to save on the total cost of your ticket is to fly from Wilmington to Washington, D.C. Dulles Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the afternoon.

Rainfall in Dulles Intl by month

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

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

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

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated April 1, 2025.
Get a feel of what it's like to fly with Delta, Avelo Airlines and United Airlines from Wilmington to Washington, D.C. by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,898 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,898 reviews
Delta
8.0
Very good
7,898 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Avelo Airlines
7.5
Good
Delta
8.0
Very good
7,898 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,615 reviews
Delta
8.0
Very good
7,898 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,898 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Sun Country Air
6.9
Okay
349 reviews
Delta
8.0
Very good
7,898 reviews

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 2 airlines. Wilmington New Hanover County is conveniently located just 4.3 mi from Wilmington’s city center.

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

    Our cheapest airline available from Wilmington to Washington, D.C. Dulles Intl Airport is Avelo Airlines. Our recent data shows that you can find tickets from as low as $70 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $261 and $347 round-trip. These flights start at 85% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Wilmington to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airline one-way is Avelo Airlines, with whom users have recently found tickets for as low as $88. However, be on the lookout for offers from United Airlines and Sun Country Air, as they are both options that can get you from Wilmington to Washington, D.C. Dulles Intl Airport for a low price.

  • 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.

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

    Currently, August is the cheapest month in which you can book a flight from Wilmington to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Wilmington to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $383). 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 Wilmington?

Book flights to Wilmington if you plan to visit one of these locations
Arlington
Alexandria
Fairfax
Tysons
Springfield
Rockville
Fredericksburg
Woodbridge
Gaithersburg
Linthicum Heights
Silver Spring
Falls Church
Laurel
Easton
Herndon
Sterling
Bowie
Gettysburg
National Harbor
Oxon Hill

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 Wilmington to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Charlotte to Dulles Intl flights
Raleigh to Dulles Intl flights
Raleigh to Baltimore flights
Charlotte to Reagan-National flights
Charlotte to Baltimore flights
Raleigh to Reagan-National flights
Knoxville to Dulles Intl flights
Greensboro to Reagan-National flights
Greensboro to Dulles Intl flights
Wilmington to Reagan-National flights
Knoxville to Baltimore flights
Knoxville to Reagan-National flights
Asheville to Dulles Intl flights
Myrtle Beach to Baltimore flights
Asheville to Reagan-National flights
Asheville to Baltimore flights
Norfolk to Baltimore flights
Wilmington to Baltimore flights
Myrtle Beach to Dulles Intl flights
Greensboro to Baltimore flights
Norfolk to Reagan-National flights
Myrtle Beach to Reagan-National flights
Norfolk to Dulles Intl flights
Blountville to Baltimore flights
Blountville to Dulles Intl flights
Blountville to Reagan-National flights
Fayetteville to Reagan-National flights
Jacksonville to Baltimore flights
Jacksonville to Dulles Intl flights
Fayetteville to Baltimore flights
Jacksonville to Reagan-National flights
New Bern to Baltimore flights
Fayetteville to Dulles Intl flights
New Bern to Dulles Intl flights

Top 2 airlines flying from Wilmington to Dulles Intl

Discover the top 2 airlines that operate flights from Wilmington to Dulles Intl. 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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$220Average$454FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$280Average$445FlexibilityNo 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.