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 American Airlines. Our recent data shows that you can find tickets from as low as $261 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $291 and $414 round-trip. These flights start at 43% lower than the current average price 3 months from now.

What is the cheapest day to fly from Wilmington to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Wilmington to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Wilmington to Washington, D.C. Dulles Intl Airport?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 75% on your flight compared to booking on days when demand is much higher.

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

Flights from Wilmington to Washington, D.C. Dulles Intl Airport lean towards being more expensive in February. Prices are generally better when you fly from Wilmington to Washington, D.C. Dulles Intl Airport in June, with the cheapest ticket starting at $58.

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 2 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.

$182+ Flights from Wilmington to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Wilmington to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$261 (American Airlines)
One-way from	$182 (Mytrip)
Popular in	August
Cheapest in	January
Average price	$399

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.

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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

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($50 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 2025

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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 March 25, 2025.

Wed 4/235:00 amILM - IAD

1 stop3h 38mAmerican Airlines

Sat 4/265:00 amIAD - ILM

1 stop3h 30mAmerican Airlines

Deal found 3/24

$261

Fri 4/254:00 pmILM - IAD

1 stop5h 23mDelta

Mon 4/285:32 pmIAD - ILM

1 stop5h 07mDelta

Deal found 3/24

$291

Thu 4/1012:20 pmILM - IAD

3 stops27h 55mMultiple Airlines

Sat 4/128:25 amIAD - ILM

3 stops32h 28mMultiple Airlines

Deal found 3/24

$374

Wed 3/264:14 pmILM - IAD

1 stop3h 58mUnited Airlines

Sat 3/295:32 pmIAD - ILM

1 stop6h 21mUnited Airlines

Deal found 3/25

$393

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 March 25, 2025.

Wed 4/235:00 amILM - IAD

1 stop3h 38mAmerican Airlines

Sat 4/265:00 amIAD - ILM

1 stop3h 30mAmerican Airlines

Deal found 3/24

$261

Fri 4/254:00 pmILM - IAD

1 stop5h 23mDelta

Mon 4/285:32 pmIAD - ILM

1 stop5h 07mDelta

Deal found 3/24

$291

Thu 4/1012:20 pmILM - IAD

3 stops27h 55mMultiple Airlines

Sat 4/128:25 amIAD - ILM

3 stops32h 28mMultiple Airlines

Deal found 3/24

$374

Thu 5/154:41 pmILM - IAD

2 stops14h 54mUnited Airlines

Tue 5/279:00 amIAD - ILM

1 stop6h 51mUnited Airlines

Deal found 3/24

$414

Last-minute flights from Wilmington to Dulles Intl
Discover last-minute flight deals from Wilmington to Dulles Intl. Data last updated March 25, 2025 and is based on user searches.

Wed 3/264:14 pmILM - IAD

1 stop3h 58mUnited Airlines

Sat 3/295:32 pmIAD - ILM

1 stop6h 21mUnited Airlines

Deal found 3/25

$393

Mon 3/314:35 pmILM - IAD

1 stop4h 23mUnited Airlines

Sun 4/65:25 pmIAD - ILM

2 stops22h 27mUnited Airlines

Deal found 3/24

$556

Fri 4/43:46 pmILM - IAD

1 stop5h 36mDelta

Sun 4/66:00 amIAD - ILM

1 stop4h 47mDelta

Deal found 3/24

$475

Fri 4/48:08 pmILM - IAD

1 stop3h 48mAmerican Airlines

Sun 4/65:00 amIAD - ILM

2 stops11h 51mAmerican Airlines

Deal found 3/23

$515

Thu 4/1012:20 pmILM - IAD

3 stops27h 55mMultiple Airlines

Sat 4/128:25 amIAD - ILM

3 stops32h 28mMultiple Airlines

Deal found 3/24

$374

Wed 4/235:00 amILM - IAD

1 stop3h 38mAmerican Airlines

Sat 4/265:00 amIAD - ILM

1 stop3h 30mAmerican Airlines

Deal found 3/24

$261

Fri 4/254:00 pmILM - IAD

1 stop5h 23mDelta

Mon 4/285:32 pmIAD - ILM

1 stop5h 07mDelta

Deal found 3/24

$291

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 March 25, 2025.

Fri 5/236:52 pmILM - IAD

2 stops19h 47mMultiple Airlines

Deal found 3/24

$182

Mon 4/76:14 pmILM - IAD

1 stop5h 42mAmerican Airlines

Deal found 3/24

$229

Wed 4/164:35 pmILM - IAD

2 stops19h 12mUnited Airlines

Deal found 3/23

$245

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

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Wed 4/23

5:00 am-8:38 am

1 stop3h 38m

Washington, D.C. Dulles Intl

Sat 4/26

5:00 am-8:30 am

1 stop3h 30m

$261

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Fri 4/25

4:00 pm-9:23 pm

1 stop5h 23m

Washington, D.C. Dulles Intl

Mon 4/28

5:32 pm-10:39 pm

1 stop5h 07m

$291

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Thu 4/10

12:20 pm-4:15 pm

3 stops27h 55m

Washington, D.C. Dulles Intl

Sat 4/12

8:25 am-4:53 pm

3 stops32h 28m

$374

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Thu 5/15

4:41 pm-7:35 am

2 stops14h 54m

Washington, D.C. Dulles Intl

Tue 5/27

9:00 am-3:51 pm

1 stop6h 51m

$414

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Fri 5/23

6:52 pm-2:39 pm

2 stops19h 47m

$182

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Mon 4/7

6:14 pm-11:56 pm

1 stop5h 42m

$229

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Wed 4/16

4:35 pm-11:47 am

2 stops19h 12m

$245

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Sat 4/26

6:00 am-12:59 pm

1 stop6h 59m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

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 March.

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

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 $387). 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?

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

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

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 a feel of what it's like to fly with Delta, United Airlines and American 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

7,890 reviews

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

7,890 reviews

Delta

8.0

Very good

7,890 reviews

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

8,605 reviews

Delta

8.0

Very good

7,890 reviews

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

7,890 reviews

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

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 American Airlines. Our recent data shows that you can find tickets from as low as $261 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $291 and $414 round-trip. These flights start at 43% lower than the current average price 3 months from now.
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 $387). 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

Arlington

Alexandria

Fairfax

Tysons

Springfield

Rockville

Woodbridge

Gaithersburg

Fredericksburg

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

Top 2 airlines flying from Wilmington to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$220	Average$454	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$280	Average$445	FlexibilityNo cancel fee	On-time71%

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$182+ 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 5/23. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Wilmington to Dulles Intl

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Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

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Find 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 March 25, 2025.

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 March 25, 2025.

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 March.

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.

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?

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 March 25, 2025.

Rainfall in Dulles Intl by month

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

Temperature in Dulles Intl by month

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

Reviews of airlines servicing Dulles Intl

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?

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

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?

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

Traveling to a place near Wilmington?

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Alternative routes for Wilmington to Dulles Intl

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Top 2 airlines flying from Wilmington to Dulles Intl

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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 March 25, 2025.