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Dulles Intl

$37+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
ILM — IAD
Aug 12 — Aug 191
Tue 8/12
Tue 8/19
1 adult, Economy
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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 August 7, 2025.

Round-trip from

$74
(Cheapflightsfares)

One-way from

$64
(Cheapflightsfares)

Popular in

March

Cheapest in

July

Average price

$367

Good round-trip deal

$74 or less

Good one-way deal

$44 or less
From Wilmington New Hanover County to Washington, D.C. Dulles Intl
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One-way flight from Wilmington New Hanover County to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 30% potential increase in price ($186 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Wilmington New Hanover County to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Wilmington New Hanover County to Washington, D.C. Dulles Intl.
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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 August 7, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/296:45 amILM - IAD
Nonstop1h 20mAvelo Airlines
Mon 9/18:50 amIAD - ILM
Nonstop1h 20mAvelo Airlines
Deal found 8/7$74
This Booking.com deal was found by Cheapflights users on 8/5. 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 8/86:45 amILM - IAD
Nonstop1h 20mAvelo Airlines
Mon 8/118:50 amIAD - ILM
Nonstop1h 20mAvelo Airlines
Deal found 8/5$84
This Trip.com deal was found by Cheapflights users on 8/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:45 amILM - IAD
Nonstop1h 20mAvelo Airlines
Fri 8/158:50 amIAD - ILM
Nonstop1h 20mAvelo Airlines
Deal found 8/4$85
This Delta deal was found by Cheapflights users on 8/6. 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.
Wed 9/1710:12 amILM - IAD
1 stop6h 15mDelta
Sat 9/205:25 pmIAD - ILM
1 stop5h 21mDelta
Deal found 8/6$281
This Delta deal was found by Cheapflights users on 8/6. 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.
Thu 9/1810:12 amILM - IAD
1 stop6h 15mDelta
Sat 9/206:23 amIAD - ILM
1 stop4h 32mDelta
Deal found 8/6$301
This Delta deal was found by Cheapflights users on 8/6. 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.
Wed 9/175:36 pmILM - IAD
2 stops18h 20mDelta
Tue 9/2312:35 pmIAD - ILM
1 stop4h 16mDelta
Deal found 8/6$317
This Delta deal was found by Cheapflights users on 8/6. 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 9/1910:12 amILM - IAD
1 stop6h 15mDelta
Mon 9/225:25 pmIAD - ILM
1 stop5h 21mDelta
Deal found 8/6$321
This Delta deal was found by Cheapflights users on 8/6. 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 9/162:36 pmILM - IAD
1 stop4h 03mDelta
Sun 9/216:00 amIAD - ILM
1 stop10h 51mDelta
Deal found 8/6$323
This Mytrip deal was found by Cheapflights users on 8/5. 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.
Mon 8/256:45 amILM - IAD
Nonstop1h 20mMultiple Airlines
Wed 8/278:40 amIAD - ILM
3 stops35h 03mMultiple Airlines
Deal found 8/5$324
This Delta deal was found by Cheapflights users on 8/6. 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.
Thu 9/185:36 pmILM - IAD
1 stop4h 03mDelta
Mon 9/228:17 pmIAD - ILM
2 stops20h 34mDelta
Deal found 8/6$337
This Delta deal was found by Cheapflights users on 8/6. 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.
Sat 12/1311:53 amILM - IAD
1 stop21h 18mDelta
Mon 12/155:25 pmIAD - ILM
1 stop6h 31mDelta
Deal found 8/6$343
This American Airlines deal was found by Cheapflights users on 8/6. 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 12/105:31 amILM - IAD
1 stop3h 08mAmerican Airlines
Sat 12/1310:48 amIAD - ILM
2 stops11h 06mAmerican Airlines
Deal found 8/6$353

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 August 7, 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

Fri 8/29

6:45 am-8:05 am

Nonstop1h 20m

Washington, D.C. Dulles Intl

Mon 9/1

8:50 am-10:10 am

Nonstop1h 20m

$74

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Mon 8/11

6:45 am-8:05 am

Nonstop1h 20m

Washington, D.C. Dulles Intl

Fri 8/15

8:50 am-10:10 am

Nonstop1h 20m

$85

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Wed 9/17

10:12 am-4:27 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Sat 9/20

5:25 pm-10:46 pm

1 stop5h 21m

$281

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Thu 9/18

10:12 am-4:27 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Tue 9/23

10:07 am-1:51 pm

1 stop3h 44m

$301

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Wed 9/17

5:36 pm-11:56 am

2 stops18h 20m

Washington, D.C. Dulles Intl

Tue 9/23

12:35 pm-4:51 pm

1 stop4h 16m

$317

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Fri 9/19

10:12 am-4:27 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Mon 9/22

5:25 pm-10:46 pm

1 stop5h 21m

$321

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Tue 9/16

2:36 pm-6:39 pm

1 stop4h 03m

Washington, D.C. Dulles Intl

Sun 9/21

6:00 am-4:51 pm

1 stop10h 51m

$323

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Mon 8/25

6:45 am-8:05 am

Nonstop1h 20m

Washington, D.C. Dulles Intl

Wed 8/27

8:40 am-7:43 pm

3 stops35h 03m

$324

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Thu 9/18

5:36 pm-9:39 pm

1 stop4h 03m

Washington, D.C. Dulles Intl

Mon 9/22

8:17 pm-4:51 pm

2 stops20h 34m

$337

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Thu 9/18

5:36 pm-9:39 pm

1 stop4h 03m

Washington, D.C. Dulles Intl

Sun 9/21

6:00 am-10:46 pm

1 stop16h 46m

$343

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

Showing 1-10 of 19 results
1
2

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, July is the cheapest month in which you can book a flight from Wilmington to Washington, D.C. Dulles Intl Airport (average of $303). Flying from Wilmington to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 August 7, 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 85% on your trip compared to booking a flight at noon.

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 August 7, 2025.
Peruse reviews from past customers who have flown with Delta, Avelo Airlines, and United Airlines from Wilmington to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,987 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
7,987 reviews
Delta
8.0
Very good
7,987 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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!
Avelo Airlines
7.5
Good
Delta
8.0
Very good
7,987 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
8,916 reviews
Delta
8.0
Very good
7,987 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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
7,987 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Overall

8.0

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 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 $74 on this airline. An additional option worth looking into is Delta, starting at $281. These flights start at 82% lower than the current average price 3 months from now.

  • What are the cheapest flights from Wilmington to Washington, D.C. Dulles Intl Airport?

    While on average a flight from Wilmington to Washington, D.C. Dulles Intl Airport is generally $64, our data shows the cheapest flight currently is $40. When looking at the most popular route, (Wilmington New Hanover County - Washington, D.C. Dulles Intl), you can expect to pay $84 for that flight.

  • 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, July is the cheapest month in which you can book a flight from Wilmington to Washington, D.C. Dulles Intl Airport (average of $303). Flying from Wilmington to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Easton
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
Springfield
National Harbor
Dundalk
Waldorf

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Wilmington to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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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 August 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$220Average$328FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$280Average$473FlexibilityNo cancel feeOn-time71%

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