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 Delta and American Airlines, starting at $197 and $281 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 American Airlines, with whom users have recently found tickets for as low as $140. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from Wilmington to Washington, D.C. Dulles Intl Airport for a low price.

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 May, with the cheapest ticket starting at $50.

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 Expedia the most. Expedia 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.

$70+ Flights from Wilmington to Washington, D.C. Dulles Intl Airport - Compare & Save Big

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1. Tell us where you want to go

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Cheap flight deals from Wilmington to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	Expedia 3 stars
Round-trip from	$70 (Expedia)
Popular in	March
Cheapest in	January
Average price	$445

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. 19% potential increase in price ($117 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($35 potential savings vs. average RT price).

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Average for round-trip flights in May 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 May 12, 2025.

Fri 5/306:28 pmILM - IAD

1 stop6h 00mDelta

Mon 6/25:40 pmIAD - ILM

1 stop6h 12mDelta

Deal found 5/11

$197

Mon 6/166:45 amILM - IAD

Nonstop1h 20mMultiple Airlines

Wed 6/1812:40 pmIAD - ILM

1 stop22h 38mMultiple Airlines

Deal found 5/12

$217

Wed 7/97:47 pmILM - IAD

1 stop4h 11mAmerican Airlines

Sat 7/125:39 pmIAD - ILM

1 stop4h 04mAmerican Airlines

Deal found 5/12

$281

Tue 8/124:59 pmILM - IAD

2 stops18h 56mUnited Airlines

Fri 8/1510:15 pmIAD - ILM

2 stops17h 09mUnited Airlines

Deal found 5/11

$431

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 May 12, 2025.

Fri 6/136:45 amILM - IAD

Nonstop1h 20mAvelo Airlines

Mon 6/168:50 amIAD - ILM

Nonstop1h 20mAvelo Airlines

Deal found 5/11

$70

Fri 5/306:28 pmILM - IAD

1 stop6h 00mDelta

Mon 6/25:40 pmIAD - ILM

1 stop6h 12mDelta

Deal found 5/11

$197

Mon 6/166:45 amILM - IAD

Nonstop1h 20mMultiple Airlines

Wed 6/1812:40 pmIAD - ILM

1 stop22h 38mMultiple Airlines

Deal found 5/12

$217

Wed 7/97:47 pmILM - IAD

1 stop4h 11mAmerican Airlines

Sat 7/125:39 pmIAD - ILM

1 stop4h 04mAmerican Airlines

Deal found 5/12

$281

Tue 8/124:59 pmILM - IAD

2 stops18h 56mUnited Airlines

Fri 8/1510:15 pmIAD - ILM

2 stops17h 09mUnited Airlines

Deal found 5/11

$431

Last-minute flights from Wilmington to Dulles Intl
Discover last-minute flight deals from Wilmington to Dulles Intl. Data last updated May 12, 2025 and is based on user searches.

Sat 5/174:30 pmILM - IAD

1 stop7h 05mDelta

Mon 5/195:50 pmIAD - ILM

1 stop6h 02mDelta

Deal found 5/12

$386

Sat 5/178:08 pmILM - IAD

1 stop3h 54mAmerican Airlines

Wed 5/219:11 amIAD - ILM

1 stop5h 16mAmerican Airlines

Deal found 5/11

$413

Tue 5/204:41 pmILM - IAD

1 stop4h 26mUnited Airlines

Wed 5/215:50 pmIAD - ILM

2 stops22h 01mUnited Airlines

Deal found 5/12

$871

Fri 5/306:28 pmILM - IAD

1 stop6h 00mDelta

Mon 6/25:40 pmIAD - ILM

1 stop6h 12mDelta

Deal found 5/11

$197

Fri 5/304:12 pmILM - IAD

1 stop3h 20mAmerican Airlines

Fri 8/86:34 amIAD - ILM

1 stop4h 04mAmerican Airlines

Deal found 5/12

$296

Fri 6/135:10 pmILM - IAD

2 stops14h 17mUnited Airlines

Mon 6/1610:15 pmIAD - ILM

2 stops16h 15mUnited Airlines

Deal found 5/11

$480

Mon 6/166:45 amILM - IAD

Nonstop1h 20mMultiple Airlines

Wed 6/1812:40 pmIAD - ILM

1 stop22h 38mMultiple Airlines

Deal found 5/12

$217

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 May 12, 2025.

Tue 9/96:32 pmILM - IAD

1 stop3h 20mAmerican Airlines

Deal found 5/12

$140

Sun 7/2010:46 amILM - IAD

2 stops27h 37mMultiple Airlines

Deal found 5/12

$224

Sat 5/244:45 pmILM - IAD

2 stops21h 52mUnited Airlines

Deal found 5/12

$245

Tue 6/1711:40 amILM - IAD

2 stops11h 15mDelta

Deal found 5/11

$255

Sun 6/221:12 pmILM - IAD

1 stop23h 07mSun Country Air

Deal found 5/12

$263

Fri 5/236:30 amILM - IAD

2 stops13h 47mAvelo Airlines

Deal found 5/11

$276

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

Fri 5/30

6:28 pm-12:28 am

1 stop6h 00m

Washington, D.C. Dulles Intl

Mon 6/2

5:40 pm-11:52 pm

1 stop6h 12m

$197

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Mon 6/16

6:45 am-8:05 am

Nonstop1h 20m

Washington, D.C. Dulles Intl

Wed 6/18

12:40 pm-11:18 am

1 stop22h 38m

$217

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Wed 7/9

7:47 pm-11:58 pm

1 stop4h 11m

Washington, D.C. Dulles Intl

Sat 7/12

5:39 pm-9:43 pm

1 stop4h 04m

$281

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Tue 8/12

4:59 pm-11:55 am

2 stops18h 56m

Washington, D.C. Dulles Intl

Fri 8/15

10:15 pm-3:24 pm

2 stops17h 09m

$431

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Tue 9/9

6:32 pm-9:52 pm

1 stop3h 20m

$140

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Sun 7/20

10:46 am-2:23 pm

2 stops27h 37m

$224

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Sat 5/24

4:45 pm-2:37 pm

2 stops21h 52m

$245

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Tue 6/17

11:40 am-10:55 pm

2 stops11h 15m

$255

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Sun 6/22

1:12 pm-12:19 pm

1 stop23h 07m

$263

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Fri 5/23

6:30 am-8:17 pm

2 stops13h 47m

$276

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

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 May.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 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 Expedia the most. Expedia 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 $371). 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 3% on your trip compared to booking a flight at noon.

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, 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

7,950 reviews

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

7,950 reviews

Delta

8.0

Very good

7,950 reviews

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

7,950 reviews

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

8,724 reviews

Delta

8.0

Very good

7,950 reviews

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

7,950 reviews

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!

Sun Country Air

6.9

Okay

346 reviews

Delta

8.0

Very good

7,950 reviews

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

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 Delta and American Airlines, starting at $197 and $281 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 American Airlines, with whom users have recently found tickets for as low as $140. However, be on the lookout for offers from United Airlines and Delta, 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 $371). 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

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Gaithersburg

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Laurel

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Top 2 airlines flying from Wilmington to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$220	Average$448	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$280	Average$463	FlexibilityNo cancel fee	On-time71%

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$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 6/13. 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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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 May 12, 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 May 12, 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 May.

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 May 12, 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?

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

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 May 12, 2025.