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. Delta provides one of the quickest options available for as low as $433. Wilmington and Washington, D.C. Dulles Intl Airport are separated by a distance of 324 mi.

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.

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).

What is the cheapest time of day to fly from ILM to IAD?

When flying from Wilmington to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

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.

$144+ Cheap Flights from Wilmington to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Wilmington to Dulles Intl

Cheapest

Best

Last-minute

One-way

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 September 2, 2026.

Sun 10/48:06 pm -

1 stop16h 57m

Mon 10/196:36 pm -

2 stops16h 05m

Deal found 8/28

$272

Thu 10/228:06 pm -

1 stop16h 44m

Mon 10/266:36 pm -

2 stops16h 05m

Deal found 8/28

$310

Thu 10/294:56 pm -

1 stop17h 25m

Mon 11/26:36 pm -

2 stops16h 05m

Deal found 8/31

$324

Sun 11/88:06 pm -

1 stop16h 45m

Thu 11/126:07 pm -

1 stop25h 51m

Deal found 8/28

$333

Tue 10/204:16 pm -

1 stop18h 01m

Thu 10/226:08 pm -

1 stop25h 50m

Deal found 8/28

$334

Tue 9/84:38 pm -

1 stop21h 50m

Thu 9/106:13 pm -

1 stop25h 45m

Deal found 8/30

$337

Thu 9/108:06 pm -

1 stop16h 57m

Mon 9/146:36 pm -

2 stops16h 05m

Deal found 8/30

$355

Fri 10/23:10 pm -

1 stop28h 59m

Fri 10/99:06 pm -

2 stops41h 25m

Deal found 9/1

$374

Tue 9/84:38 pm -

1 stop21h 50m

Fri 9/117:50 am -

2 stops12h 08m

Deal found 8/30

$394

Best flights from Wilmington to Dulles Intl
Discover carefully curated flight deals from Wilmington to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.

Wed 9/306:30 am -

1 stop5h 00m

Wed 10/712:29 pm -

1 stop4h 35m

Deal found 8/31

$433

Thu 10/226:00 am -

1 stop5h 25m

Mon 10/265:50 pm -

1 stop5h 54m

Deal found 8/28

$489

Fri 9/251:54 pm -

1 stop5h 05m

Mon 9/286:14 am -

1 stop3h 32m

Deal found 8/27

$529

Tue 9/292:30 pm -

1 stop5h 44m

Tue 10/612:29 pm -

1 stop4h 35m

Deal found 9/1

$433

Fri 12/253:30 pm -

1 stop7h 27m

Tue 12/297:45 pm -

1 stop4h 14m

Deal found 9/1

$478

Fri 10/236:20 am -

1 stop18h 22m

Mon 10/266:00 am -

1 stop17h 09m

Deal found 8/30

$483

Fri 12/253:30 pm -

1 stop7h 27m

Mon 12/287:45 pm -

1 stop4h 14m

Deal found 9/1

$489

Fri 9/186:14 pm -

2 stops22h 06m

Sun 9/2010:15 pm -

2 stops17h 26m

Deal found 8/30

$691

Fri 10/25:50 pm -

1 stop6h 51m

Sun 10/48:08 am -

1 stop5h 33m

Deal found 8/28

$514

Thu 11/125:37 pm -

1 stop7h 04m

Sun 11/156:00 am -

2 stops10h 49m

Deal found 8/31

$604

Last-minute flights from Wilmington to Dulles Intl
Discover last-minute flight deals from Wilmington to Dulles Intl. Data last updated September 2, 2026 and is based on user searches.

Sun 9/68:56 am -

1 stop3h 56m

Wed 9/96:14 am -

1 stop3h 32m

Deal found 8/30

$433

Tue 9/84:38 pm -

1 stop21h 50m

Thu 9/106:13 pm -

1 stop25h 45m

Deal found 8/30

$337

Tue 9/84:38 pm -

1 stop21h 50m

Fri 9/117:50 am -

2 stops12h 08m

Deal found 8/30

$394

Wed 9/93:25 pm -

1 stop3h 34m

Sat 9/126:14 pm -

1 stop4h 45m

Deal found 8/30

$399

Thu 9/108:06 pm -

1 stop16h 57m

Mon 9/146:36 pm -

2 stops16h 05m

Deal found 8/30

$355

Thu 9/108:06 pm -

1 stop16h 57m

Sun 9/136:13 pm -

1 stop25h 45m

Deal found 8/29

$412

Fri 9/117:13 pm -

1 stop3h 38m

Sun 9/139:12 am -

1 stop4h 48m

Deal found 9/1

$484

One-way flights from Wilmington to Dulles Intl
Search for one-way flight options from Wilmington to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.

Tue 10/134:16 pm -

2 stops24h 57m

Deal found 8/28

$144

Sun 9/278:06 pm -

2 stops24h 03m

Deal found 8/28

$148

Tue 9/84:38 pm -

1 stop21h 50m

Deal found 8/31

$164

Sun 9/134:56 pm -

2 stops25h 00m

Deal found 8/30

$167

Mon 9/143:10 pm -

1 stop28h 59m

Deal found 8/30

$183

Sun 9/134:56 pm -

1 stop17h 21m

Deal found 8/30

$208

Find flight deals from Wilmington to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$272 (Kiwi.com)
One-way from	$144 (Kiwi.com)
Popular in	September
Cheapest in	June
Average price	$697

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. 12% potential increase in price ($61 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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 Wilmington New Hanover County - IAD Washington, D.C. Dulles Intl

ILMIAD

Wilmington New Hanover County

Wed 9/30

6:30 am-11:30 am

1 stop5h 00m

Washington, D.C. Dulles Intl

Wed 10/7

12:29 pm-5:04 pm

1 stop4h 35m

$433

WilmingtonWashington, D.C.

ILM Wilmington New Hanover County - IAD Washington, D.C. Dulles Intl

ILMIAD

Wilmington New Hanover County

Tue 9/29

2:30 pm-8:14 pm

1 stop5h 44m

Washington, D.C. Dulles Intl

Tue 10/6

12:29 pm-5:04 pm

1 stop4h 35m

$433

WilmingtonWashington, D.C.

ILM Wilmington New Hanover County - IAD Washington, D.C. Dulles Intl

ILMIAD

Wilmington New Hanover County

Fri 12/25

3:30 pm-10:57 pm

1 stop7h 27m

Washington, D.C. Dulles Intl

Tue 12/29

7:45 pm-11:59 pm

1 stop4h 14m

$478

WilmingtonWashington, D.C.

ILM Wilmington New Hanover County - IAD Washington, D.C. Dulles Intl

ILMIAD

Wilmington New Hanover County

Fri 10/23

6:20 am-12:42 am

1 stop18h 22m

Washington, D.C. Dulles Intl

Mon 10/26

6:00 am-11:09 pm

1 stop17h 09m

$483

WilmingtonWashington, D.C.

ILM Wilmington New Hanover County - IAD Washington, D.C. Dulles Intl

ILMIAD

Wilmington New Hanover County

Thu 10/22

6:00 am-11:25 am

1 stop5h 25m

Washington, D.C. Dulles Intl

Mon 10/26

5:50 pm-11:44 pm

1 stop5h 54m

$489

WilmingtonWashington, D.C.

ILM Wilmington New Hanover County - IAD Washington, D.C. Dulles Intl

ILMIAD

Wilmington New Hanover County

Fri 12/25

3:30 pm-10:57 pm

1 stop7h 27m

Washington, D.C. Dulles Intl

Mon 12/28

7:45 pm-11:59 pm

1 stop4h 14m

$489

WilmingtonWashington, D.C.

ILM Wilmington New Hanover County - IAD Washington, D.C. Dulles Intl

ILMIAD

Wilmington New Hanover County

Fri 10/2

5:50 pm-12:41 am

1 stop6h 51m

Washington, D.C. Dulles Intl

Sun 10/4

8:08 am-1:41 pm

1 stop5h 33m

$514

Quickest round-trip

WilmingtonWashington, D.C.

ILM Wilmington New Hanover County - IAD Washington, D.C. Dulles Intl

ILMIAD

Wilmington New Hanover County

Fri 9/25

1:54 pm-6:59 pm

1 stop5h 05m

Washington, D.C. Dulles Intl

Mon 9/28

6:14 am-9:46 am

1 stop3h 32m

$529

WilmingtonWashington, D.C.

ILM Wilmington New Hanover County - IAD Washington, D.C. Dulles Intl

ILMIAD

Wilmington New Hanover County

Thu 11/12

5:37 pm-12:41 am

1 stop7h 04m

Washington, D.C. Dulles Intl

Sun 11/15

6:00 am-4:49 pm

2 stops10h 49m

$604

WilmingtonWashington, D.C.

ILM Wilmington New Hanover County - IAD Washington, D.C. Dulles Intl

ILMIAD

Wilmington New Hanover County

Fri 9/18

6:14 pm-4:20 pm

2 stops22h 06m

Washington, D.C. Dulles Intl

Sun 9/20

10:15 pm-3:41 pm

2 stops17h 26m

$691

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/28

Showing 1-10 of 21 resultsSorted by cheapest first

Compare providers for flights from Wilmington to Dulles Intl

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 September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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.

ILM-IAD

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

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. Delta provides one of the quickest options available for as low as $433. 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.

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$144+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Wilmington to Dulles Intl with Cheapflights

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Cheap flight deals from Wilmington to Dulles Intl

Cheapest flights from Wilmington to Dulles IntlExplore 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 September 2, 2026.

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 September 2, 2026.

Best flights from Wilmington to Dulles IntlDiscover carefully curated flight deals from Wilmington to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.

Discover carefully curated flight deals from Wilmington to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.

Last-minute flights from Wilmington to Dulles IntlDiscover last-minute flight deals from Wilmington to Dulles Intl. Data last updated September 2, 2026 and is based on user searches.

Discover last-minute flight deals from Wilmington to Dulles Intl. Data last updated September 2, 2026 and is based on user searches.

One-way flights from Wilmington to Dulles IntlSearch for one-way flight options from Wilmington to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.

Search for one-way flight options from Wilmington to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.

Find flight deals from Wilmington to Dulles Intl

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Most trusted provider

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Cheapflights Fare Finder

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

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 September.

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.

Related info for your journey

What airport do you fly from for flights from Wilmington to Washington, D.C. Dulles Intl?

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

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

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

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Dulles Intl by adding a car rental and/or hotel reservation to your travel itinerary.

Other flights to Dulles Intl

Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 2, 2026.

Search flights from Wilmington to Dulles Intl by cabin class

Find flights from Wilmington to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Wilmington and Dulles Intl flights

Browse other Wilmington and Dulles Intl flight options. Last updated on September 2, 2026.

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Browse through other flights departing from Wilmington. Flights are based on user searches made on Cheapflights and were last updated on September 2, 2026.

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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 September 2, 2026.

Best flights from Wilmington to Dulles Intl
Discover carefully curated flight deals from Wilmington to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 2, 2026.

Last-minute flights from Wilmington to Dulles Intl
Discover last-minute flight deals from Wilmington to Dulles Intl. Data last updated September 2, 2026 and is based on user searches.

One-way flights from Wilmington to Dulles Intl
Search for one-way flight options from Wilmington to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.