£162 Cheap Flights from Raleigh (RDU) to Washington (IAD)

View £162 flight on Fri, 21 Aug 2026Opens in a new window

Popular airlines from Raleigh-Durham International Airport (RDU) to Washington Dulles International Airport (IAD)

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Cheap Flights from Raleigh (RDU) to Washington (IAD)

Prices were available within the past 7 days and start at £162 for one-way flights and £191 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, 21 Aug - Wed, 2 Sept
RDU
Raleigh
IAD
Washington
£191 Return, found 4 days ago
£191
Return
found 4 days ago
Select United flight, departing Fri, 21 Aug from Raleigh to Washington, returning Wed, 2 Sept, priced at £191 found 4 days ago
American Airlines
Fri, 21 Aug - Wed, 2 Sept
RDU
Raleigh
IAD
Washington
£191 Return, found 4 days ago
£191
Return
found 4 days ago
Select American Airlines flight, departing Fri, 21 Aug from Raleigh to Washington, returning Wed, 2 Sept, priced at £191 found 4 days ago
American Airlines
Fri, 21 Aug - Wed, 2 Sept
RDU
Raleigh
IAD
Washington
£202 Return, found 4 days ago
£202
Return
found 4 days ago
Select American Airlines flight, departing Fri, 21 Aug from Raleigh to Washington, returning Wed, 2 Sept, priced at £202 found 4 days ago
Delta
Fri, 21 Aug - Wed, 2 Sept
RDU
Raleigh
IAD
Washington
£206 Return, found 4 days ago
£206
Return
found 4 days ago
Select Delta flight, departing Fri, 21 Aug from Raleigh to Washington, returning Wed, 2 Sept, priced at £206 found 4 days ago
American Airlines
Fri, 21 Aug - Wed, 2 Sept
RDU
Raleigh
IAD
Washington
£214 Return, found 4 days ago
£214
Return
found 4 days ago
Select American Airlines flight, departing Fri, 21 Aug from Raleigh to Washington, returning Wed, 2 Sept, priced at £214 found 4 days ago
Delta
Fri, 21 Aug - Wed, 2 Sept
RDU
Raleigh
IAD
Washington
£235 Return, found 4 days ago
£235
Return
found 4 days ago
Select Delta flight, departing Fri, 21 Aug from Raleigh to Washington, returning Wed, 2 Sept, priced at £235 found 4 days ago
United
Fri, 21 Aug - Wed, 2 Sept
RDU
Raleigh
IAD
Washington
£242 Return, found 4 days ago
£242
Return
found 4 days ago
Select United flight, departing Fri, 21 Aug from Raleigh to Washington, returning Wed, 2 Sept, priced at £242 found 4 days ago
United
Fri, 21 Aug - Wed, 2 Sept
RDU
Raleigh
IAD
Washington
£244 Return, found 4 days ago
£244
Return
found 4 days ago
Select United flight, departing Fri, 21 Aug from Raleigh to Washington, returning Wed, 2 Sept, priced at £244 found 4 days ago
American Airlines
Fri, 21 Aug - Wed, 2 Sept
RDU
Raleigh
IAD
Washington
£255 Return, found 4 days ago
£255
Return
found 4 days ago
Select American Airlines flight, departing Fri, 21 Aug from Raleigh to Washington, returning Wed, 2 Sept, priced at £255 found 4 days ago
Alaska Airlines
Fri, 18 Sept - Sun, 20 Sept
RDU
Raleigh
IAD
Washington
£705 Return, found 13 hours ago
£705
Return
found 13 hours ago
Select Alaska Airlines flight, departing Fri, 18 Sept from Raleigh to Washington, returning Sun, 20 Sept, priced at £705 found 13 hours ago

Frequently asked questions

How much does a flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Washington, DC (IAD-Washington Dulles Intl.) cost?
One-way flights typically cost between £97 and £235 and return flights often range between £97 and £235. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
Which airlines fly direct from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Enter RDU to IAD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
To find a cheap flight from Raleigh, NC (RDU-Raleigh - Durham 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 airline to fly with from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The best airline to fly with from RDU to IAD will differ from traveller to traveller. If you like to fly early, UA offers early morning flights. If price is the most important factor, UA typically offers the lowest fares. DL offers the most daily flights from RDU to IAD, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Raleigh, NC (RDU-Raleigh - Durham 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
When flying from Raleigh - Durham Intl. (RDU) to Washington Dulles Intl. (IAD), you have several options. There are approximately 4 nonstop flights per day, giving you a direct route to your destination. For even more choice, look at flights that include layovers, as there are around 42 connecting flights per day. Some common connection points include Hartsfield-Jackson Atlanta Intl. (ATL), Charlotte-Douglas Intl. (CLT), and Liberty Intl. (EWR).
What is the earliest flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The earliest flight from Raleigh - Durham Intl. (RDU) to Washington Dulles Intl. (IAD) 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
You'll find the most flights from Raleigh - Durham Intl. (RDU) to Washington Dulles Intl. (IAD) on a Friday, with around 34 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Delta Air Lines, American Airlines, and United Airlines. Friday offers notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The most popular departure times for flights from Raleigh - Durham Intl. (RDU) to Washington Dulles Intl. (IAD) are in the early morning, from 6am to 9am. About 22% of passengers prefer this time. Many major carriers, including Delta Air Lines, American Airlines and United Airlines, offer flights during this window. This timing works well for many travelers, allowing you to arrive in Washington, DC early in the day.
How long does it take to fly from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Flying nonstop from RDU to IAD takes around 1 hour 20 minutes, with the route covering approximately 225 miles. Flights with a layover typically take 3 hours 10 minutes longer than direct options. 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Select the "Business class" and "First class" filters when looking for RDU to IAD flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
A non-stop, one-way business class flight from Raleigh - Durham Intl. (RDU) to Washington Dulles Intl. (IAD) is usually around £136 - £232. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Anaa (AAA) (AAA) to Toronto, ON (YYZ-Pearson Intl.) (YYZ) if you opt for a connecting flight.
How do I earn miles on a Raleigh, NC (RDU-Raleigh - Durham Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia?
It's easy to earn miles on a Raleigh, NC (RDU-Raleigh - Durham 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 Raleigh - Durham Intl. (RDU)?
From Raleigh - Durham Intl. (RDU), you can fly into Ronald Reagan Washington National (DCA) and Washington Dulles Intl. (IAD) in Washington. Some flights may connect through major hubs like Nashville Intl. (BNA), Hartsfield-Jackson Atlanta Intl. (ATL), Baltimore Washington Intl. Thurgood Marshall (BWI) 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Washington, DC (IAD-Washington Dulles Intl.) at the last minute?
Typically, booking a last minute flight from Raleigh, NC (RDU-Raleigh - Durham 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package?
Securing a Raleigh, NC (RDU-Raleigh - Durham 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 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
If you booked your Raleigh, NC (RDU-Raleigh - Durham 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
Raleigh - Durham Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Return price
£190
Distance
359 km
Average flight time
1 hour 14 mins

Book with confidence

Compare flights from Raleigh to Washington easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Raleigh to Washington. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Washington Dulles Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Raleigh - Durham Intl. to Washington Dulles Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Raleigh - Durham Intl. (RDU) to Washington Dulles Intl. (IAD)

The easiest way to view the best deals on flights from Raleigh to Washington today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Raleigh - Durham Intl. to Washington Dulles Intl. start at just £191 and range up to £705.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Raleigh and Washington
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Raleigh to Washington flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Raleigh - Durham Intl. to Washington Dulles Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Raleigh to Washington easily and book with confidence

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