$344 Cheap United flights from Wilmington to Washington (ILM to IAD)

Find The Best Day To Fly from Wilmington to Washington

Amazing United ILM to IAD Flight Deals

The cheapest flights to Washington Dulles Intl. found within the past 7 days were $567 round trip and $344 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Aug 12 - Tue, Aug 12
ILM
Wilmington
IAD
Washington
$567 Roundtrip, found 4 days ago
$567
Roundtrip
found 4 days ago
Select United flight, departing Tue, Aug 12 from Wilmington to Washington, returning Tue, Aug 12, priced at $567 found 4 days ago

IAD From ILM Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Hotel Arboretum

Hotel Arboretum

2 out of 5
Save 100% on your flight
per person
Oct 4 - Oct 10
found 1 day ago
Roundtrip flight included
Wilmington (ILM) to Washington (DCA)
The St. Gregory Hotel

The St. Gregory Hotel

4 out of 5
Save 100% on your flight
per person
Oct 4 - Oct 10
found 1 day ago
Roundtrip flight included
Wilmington (ILM) to Washington (DCA)
SIXTY DC

SIXTY DC

2 out of 5
Save 100% on your flight
per person
Oct 4 - Oct 10
found 1 day ago
Roundtrip flight included
Wilmington (ILM) to Washington (DCA)
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Frequently asked questions

Can I catch a flight from Wilmington Intl. Airport (ILM) to IAD right now?
For any present Dulles Intl. Airport quarantine requirements and travel advice, visit our Covid-19 Travel Advisor. Look before you book your flight, so you don't get caught up en route.
What terminal is United Airlines at Wilmington Intl. Airport (ILM)?
Before you fly from Wilmington Intl. Airport to IAD with United Airlines, it might be a good idea to get in touch with the airline for your terminal information. While your boarding pass should hold some of the relevant details, there's no guarantee.
Are there United Airlines non-stop flights from ILM to IAD?
If you're traveling with United Airlines from Wilmington Intl. Airport (ILM) to Washington Dulles Intl. Airport (IAD), you'll need to make a stopover. While you're waiting for your connection, use the time to enjoy a bite to eat or check out the airport shops.
How long is a United Airlines flight from ILM to IAD?
From when your United Airlines plane is pushed back from the gate at ILM to the moment it pulls into IAD, your journey will take roughly 3 hours and 15 minutes. With a quick flight time like this, it's a great little spur-of-the-moment vacation.
How many direct and indirect flights does United Airlines fly from ILM to IAD?
If you're considering a journey from ILM to IAD, you can choose from roughly 2 United Airlines flights daily.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Washington Dulles Intl. Airport (IAD), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Wilmington ILM to Washington IAD 

To find the best deals on flights to Wilmington from Washington with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Wilmington ILM to Washington IAD with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $567 to $567, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Wilmington ILM to Washington IAD 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Wilmington to Washington costs from $344. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Washington IAD from  Wilmington ILM with United 

To find a cheap United flight from Wilmington ILM to Washington IAD, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Wilmington ILM to Washington IAD 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as August, or if you book a flight with a stopover. 

 

Find nonstop flights from Wilmington ILM to Washington IAD with United 

If you’re keen to be on Washington soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Wilmington ILM to Washington IAD 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Washington IAD from  Wilmington ILM with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to Washington

Hyatt Regency Dulles

Hyatt Regency Dulles

4 out of 5
2300 Dulles Corner Blvd, Herndon, VA
This hotel features an indoor pool, A 24-hour gym, and a restaurant. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public ...
8.8/10 Excellent! (1,380 reviews)
"I only stayed because of a delayed flight and was at the Hyatt for about 8 hours to sleep. It was very convenient to have the free Dulles shuttle. The room was very nice and clean and the bed was very comfortable."

Reviewed on Aug 1, 2025

Hyatt Regency Dulles
Hyatt Place Herndon Dulles Airport East

Hyatt Place Herndon Dulles Airport East

3 out of 5
13711 Sayward Blvd, Herndon, VA
This hotel features a restaurant, an indoor pool, and a bar/lounge. Traveling on business? Take advantage of the free WiFi in public areas, express check-out, ...
8.2/10 Very Good! (2,358 reviews)
"My family and I stayed here before we flew out early in the morning. The girl who welcomed us only checked in was amazing. Great customer service. Our room was big clean, and the beds are very comfortable. If I was returning to this location, I would definitely go back. The only thing I have to say ..."

Reviewed on Aug 2, 2025

Hyatt Place Herndon Dulles Airport East
The Westin Washington Dulles Airport

The Westin Washington Dulles Airport

4 out of 5
2520 Wasser Terrace, Herndon, VA
This hotel features a restaurant, a 24-hour gym, and a bar/lounge. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public ...
8.6/10 Excellent! (1,002 reviews)
"The hotel was very nice and room was beautiful, clean and quiet. But the check-in process was very slow. After getting off a long international flight, there was only one person helping a bus full of people checking in. We also had many large suitcases six in total and there was no one available ..."

Reviewed on Jul 28, 2025

The Westin Washington Dulles Airport
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.