$178 Cheap Flights from Washington (DCA) to Wilmington (ILG)

View $178 flight on Tue, Oct 21, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Wilmington, DE (ILG-New Castle)

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Cheap Flights from Washington to Wilmington (DCA-ILG)

Prices were available within the past 7 days and start at $178 for one-way flights and $198 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Oct 24 - Sat, Oct 25
DCA
Washington
ILG
Wilmington
$198 Roundtrip, found 2 days ago
$198
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Oct 24 from Washington to Wilmington, returning Sat, Oct 25, priced at $198 found 2 days ago
American Airlines
Fri, Oct 24 - Sat, Oct 25
DCA
Washington
ILG
Wilmington
$209 Roundtrip, found 2 days ago
$209
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Oct 24 from Washington to Wilmington, returning Sat, Oct 25, priced at $209 found 2 days ago
American Airlines
Fri, Oct 24 - Sun, Oct 26
DCA
Washington
ILG
Wilmington
$242 Roundtrip, found 7 hours ago
$242
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Fri, Oct 24 from Washington to Wilmington, returning Sun, Oct 26, priced at $242 found 7 hours ago
American Airlines
Fri, Oct 17 - Sun, Oct 19
DCA
Washington
ILG
Wilmington
$247 Roundtrip, just found
$247
Roundtrip
just found
Select American Airlines flight, departing Fri, Oct 17 from Washington to Wilmington, returning Sun, Oct 19, priced at $247 just found
American Airlines
Fri, Oct 24 - Sat, Oct 25
DCA
Washington
ILG
Wilmington
$257 Roundtrip, found 2 days ago
$257
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Oct 24 from Washington to Wilmington, returning Sat, Oct 25, priced at $257 found 2 days ago
American Airlines
Thu, Oct 16 - Sun, Oct 19
DCA
Washington
ILG
Wilmington
$258 Roundtrip, found 4 days ago
$258
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Oct 16 from Washington to Wilmington, returning Sun, Oct 19, priced at $258 found 4 days ago
American Airlines
Wed, Oct 22 - Thu, Oct 30
DCA
Washington
ILG
Wilmington
$266 Roundtrip, found 2 days ago
$266
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Oct 22 from Washington to Wilmington, returning Thu, Oct 30, priced at $266 found 2 days ago
American Airlines
Fri, Oct 24 - Sat, Oct 25
DCA
Washington
ILG
Wilmington
$268 Roundtrip, found 2 days ago
$268
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Oct 24 from Washington to Wilmington, returning Sat, Oct 25, priced at $268 found 2 days ago
American Airlines
Tue, Oct 14 - Tue, Oct 21
DCA
Washington
ILG
Wilmington
$271 Roundtrip, just found
$271
Roundtrip
just found
Select American Airlines flight, departing Tue, Oct 14 from Washington to Wilmington, returning Tue, Oct 21, priced at $271 just found
American Airlines
Tue, Oct 14 - Sat, Oct 18
DCA
Washington
ILG
Wilmington
$276 Roundtrip, just found
$276
Roundtrip
just found
Select American Airlines flight, departing Tue, Oct 14 from Washington to Wilmington, returning Sat, Oct 18, priced at $276 just found

Alternative airports near Wilmington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to New Castle ILG. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $271
ILG
New Castle
CheapestClosest
Average driving time to city center11 min
Flights from $271

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Wilmington, DE (ILG-New Castle) cost?
Grab a cheap one-way flight from $178 or cheap return flight from $198 from Ronald Reagan Washington National Airport (DCA) to Wilmington, DE (ILG-New Castle) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Wilmington, DE (ILG-New Castle)?
Planning your trip for October is a great way to save, as it's the cheapest month for flights between DCA and ILG. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Wilmington, DE (ILG-New Castle)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest DCA to ILG flight.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Wilmington, DE (ILG-New Castle)?
You'll need to take a flight with a layover if you're traveling from Ronald Reagan Washington National Airport (DCA) to Wilmington, DE (ILG-New Castle). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from DCA to ILG?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* However, this can vary based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Wilmington, DE (ILG-New Castle)?
Select a flight from Ronald Reagan Washington National Airport (DCA) to Wilmington, DE (ILG-New Castle) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Wilmington, DE (ILG-New Castle) last-minute?
Holding off until just before your trip to book a flight from DCA to ILG often results in higher prices. While you may come across some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary for a better chance of snagging a bargain.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Wilmington, DE (ILG-New Castle)?
Usually, it's possible to cancel or reschedule your DCA to ILG flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
New Castle
Airlines serving
American Airlines
Roundtrip price
$197
Distance
96 mi

Book with confidence

Book with confidence

Washington to Wilmington Flights

The cheapest times to fly from Washington to Wilmington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Wilmington are during the month of October. You can find some of the cheapest flights from Washington to Wilmington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Wilmington

Sunday is one of the best days to book for cheap flights from Washington to Wilmington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Wilmington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Wilmington in 2025. You can also book with separate airlines for your outbound and return journeys, from $178 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Wilmington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Wilmington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Wilmington Flights

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*Available to One Key members.