Cheap Flights from Wilmington (ILM) to Washington (IAD)

Popular airlines from Wilmington Intl. Airport (ILM) to Washington Dulles International Airport (IAD)

  • Be in the know

    Get alerts if flight prices drop or rise*
  • Book smarter

    Save up to 25% on select hotels after you book a flight*
  • Earn twice

    Earn your airline miles on top of our rewards

Frequently asked questions

How do I find cheap flights from Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
To find a cheap flight from Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
There are approximately 19 connecting flights per day from Wilmington Intl. (ILM) to Washington Dulles Intl. (IAD). Some common connection points include Liberty Intl. (EWR), Hartsfield-Jackson Atlanta Intl. (ATL), and Charlotte-Douglas Intl. (CLT).
What is the earliest flight from Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The earliest flight from Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in November. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
You'll typically find the most flights from Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.) on a Thursday, with around 13 flights available. This gives you a good selection for your travel plans. Major airlines on this route include American Airlines, Delta Air Lines, and United Airlines. Thursday offers notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The most popular departure times for flights from Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.) are in the early morning, between 6am and 9am. About 32% of passengers prefer this time window. Many major carriers, including United Airlines, American Airlines and Delta Air Lines, offer flights during this window. This timing works well because it allows you to get an early start on your day in Washington, DC.
How long does it take to fly from Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
A flight from ILM to IAD with a layover takes around 5 hours 50 minutes, with the route covering approximately 325 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Select the "Business class" and "First class" filters when looking for ILM to IAD flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia?
It's easy to earn miles on a Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington from Wilmington Intl. (ILM)?
When traveling from Wilmington Intl. (ILM) to Washington, you can fly into Washington Dulles Intl. (IAD) and Ronald Reagan Washington National (DCA). Some flights may connect through major hubs like Liberty Intl. (EWR), LaGuardia (LGA), O'Hare Intl. (ORD) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.) at the last minute?
Typically, booking a last minute flight from Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package?
Securing a Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
If you booked your Wilmington, NC (ILM-Wilmington Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Wilmington Intl.
Destination airport
Washington Dulles Intl.
Distance
519 km

Book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.