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 $108 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $217 and $281 round-trip. These flights start at 78% 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 Sun Country Air, with whom users have recently found tickets for as low as $144. However, be on the lookout for offers from Delta and United Airlines, 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 $54.

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.

$108+ Flights from Wilmington to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Wilmington to Dulles Intl

Round-trip from	$108 (Cheapflightsfares)
Popular in	March
Cheapest in	January
Average price	$404

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).

Search Deals

Average for round-trip flights in June 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 June 4, 2025.

Fri 7/186:45 amILM - IAD

Nonstop1h 20mAvelo Airlines

Mon 7/218:50 amIAD - ILM

Nonstop1h 20mAvelo Airlines

Deal found 6/4

$108

Mon 6/306:45 amILM - IAD

Nonstop1h 20mMultiple Airlines

Wed 7/212:51 pmIAD - ILM

1 stop22h 33mMultiple Airlines

Deal found 6/3

$195

Fri 6/136:00 pmILM - IAD

1 stop6h 32mDelta

Mon 6/167:10 amIAD - ILM

1 stop6h 33mDelta

Deal found 6/4

$217

Wed 7/97:47 pmILM - IAD

1 stop4h 11mAmerican Airlines

Wed 7/169:03 amIAD - ILM

1 stop3h 48mAmerican Airlines

Deal found 6/2

$281

Fri 6/134:35 pmILM - IAD

1 stop4h 38mUnited Airlines

Mon 6/1610:15 pmIAD - ILM

2 stops16h 15mUnited Airlines

Deal found 6/2

$465

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 June 4, 2025.

Fri 7/186:45 amILM - IAD

Nonstop1h 20mAvelo Airlines

Mon 7/218:50 amIAD - ILM

Nonstop1h 20mAvelo Airlines

Deal found 6/4

$108

Mon 6/306:45 amILM - IAD

Nonstop1h 20mMultiple Airlines

Wed 7/212:51 pmIAD - ILM

1 stop22h 33mMultiple Airlines

Deal found 6/3

$195

Fri 6/136:00 pmILM - IAD

1 stop6h 32mDelta

Mon 6/167:10 amIAD - ILM

1 stop6h 33mDelta

Deal found 6/4

$217

Wed 7/97:47 pmILM - IAD

1 stop4h 11mAmerican Airlines

Wed 7/169:03 amIAD - ILM

1 stop3h 48mAmerican Airlines

Deal found 6/2

$281

Fri 6/134:35 pmILM - IAD

1 stop4h 38mUnited Airlines

Mon 6/1610:15 pmIAD - ILM

2 stops16h 15mUnited Airlines

Deal found 6/2

$465

Last-minute flights from Wilmington to Dulles Intl
Discover last-minute flight deals from Wilmington to Dulles Intl. Data last updated June 4, 2025 and is based on user searches.

Mon 6/99:45 amILM - IAD

3 stops35h 24mMultiple Airlines

Fri 6/138:50 amIAD - ILM

Nonstop1h 20mMultiple Airlines

Deal found 6/3

$519

Fri 6/136:45 amILM - IAD

Nonstop1h 20mAvelo Airlines

Mon 6/168:50 amIAD - ILM

Nonstop1h 20mAvelo Airlines

Deal found 6/2

$108

Fri 6/136:00 pmILM - IAD

1 stop6h 32mDelta

Mon 6/167:10 amIAD - ILM

1 stop6h 33mDelta

Deal found 6/4

$217

Fri 6/134:35 pmILM - IAD

1 stop4h 38mUnited Airlines

Mon 6/1610:15 pmIAD - ILM

2 stops16h 15mUnited Airlines

Deal found 6/2

$465

Sat 6/147:51 pmILM - IAD

1 stop4h 08mAmerican Airlines

Tue 6/176:55 amIAD - ILM

1 stop3h 42mAmerican Airlines

Deal found 6/4

$413

Mon 6/306:45 amILM - IAD

Nonstop1h 20mMultiple Airlines

Wed 7/212:51 pmIAD - ILM

1 stop22h 33mMultiple Airlines

Deal found 6/3

$195

Sat 7/125:00 amILM - IAD

1 stop5h 37mAmerican Airlines

Sun 7/208:06 pmIAD - ILM

1 stop4h 00mAmerican Airlines

Deal found 6/4

$301

Fri 7/186:45 amILM - IAD

Nonstop1h 20mAvelo Airlines

Mon 7/218:50 amIAD - ILM

Nonstop1h 20mAvelo Airlines

Deal found 6/4

$108

Tue 7/224:59 pmILM - IAD

2 stops14h 28mUnited Airlines

Mon 7/2810:15 pmIAD - ILM

2 stops17h 09mUnited Airlines

Deal found 6/4

$491

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 June 4, 2025.

Thu 8/1412:20 pmILM - IAD

1 stop25h 04mSun Country Air

Deal found 6/2

$144

Thu 7/1012:30 pmILM - IAD

2 stops20h 53mMultiple Airlines

Deal found 6/3

$163

Tue 7/155:51 pmILM - IAD

1 stop5h 25mDelta

Deal found 6/4

$217

Fri 7/184:59 pmILM - IAD

2 stops14h 28mUnited Airlines

Deal found 6/2

$329

Tue 6/105:00 amILM - IAD

1 stop3h 38mAmerican Airlines

Deal found 6/2

$344

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 7/18

6:45 am-8:05 am

Nonstop1h 20m

Washington, D.C. Dulles Intl

Mon 7/21

8:50 am-10:10 am

Nonstop1h 20m

$108

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Mon 6/30

6:45 am-8:05 am

Nonstop1h 20m

Washington, D.C. Dulles Intl

Wed 7/2

12:51 pm-11:24 am

1 stop22h 33m

$195

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Fri 6/13

6:00 pm-12:32 am

1 stop6h 32m

Washington, D.C. Dulles Intl

Mon 6/16

7:10 am-1:43 pm

1 stop6h 33m

$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

Wed 7/16

9:03 am-12:51 pm

1 stop3h 48m

$281

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Fri 6/13

4:35 pm-9:13 pm

1 stop4h 38m

Washington, D.C. Dulles Intl

Mon 6/16

10:15 pm-2:30 pm

2 stops16h 15m

$465

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Thu 8/14

12:20 pm-1:24 pm

1 stop25h 04m

$144

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Thu 7/10

12:30 pm-9:23 am

2 stops20h 53m

$163

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Tue 7/15

5:51 pm-11:16 pm

1 stop5h 25m

$217

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Fri 7/18

4:59 pm-7:27 am

2 stops14h 28m

$329

WilmingtonWashington, D.C.

ILM - IAD

ILMIAD

Wilmington New Hanover County

Tue 6/10

5:00 am-8:38 am

1 stop3h 38m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/2

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, 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 $352). 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 87% 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

Delta

8.0

Very good

7,955 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

7,955 reviews

Delta

8.0

Very good

7,955 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

7,955 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

8,771 reviews

Delta

8.0

Very good

7,955 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

7,955 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

345 reviews

Delta

8.0

Very good

7,955 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 $108 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $217 and $281 round-trip. These flights start at 78% 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 Sun Country Air, with whom users have recently found tickets for as low as $144. However, be on the lookout for offers from Delta and United Airlines, 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 $352). 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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Tysons

Silver Spring

Fairfax

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Gaithersburg

Falls Church

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National Harbor

Springfield

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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$473	FlexibilityNo cancel fee	On-time71%

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$108+ 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 7/18. 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

Round-trip from

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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 June 4, 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 June 4, 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.

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 June 4, 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?

Browse thousands of different options on Cheapflights for your next trip

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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 June 4, 2025.