$79 Cheap Flights from Washington (IAD) to Raleigh (RDU)

View $79 flight on Sun, Sep 7, 2025Opens in a new window

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

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Cheap Flights from Washington to Raleigh (IAD-RDU)

Prices were available within the past 7 days and start at $79 for one-way flights and $157 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Oct 2 - Mon, Oct 6
IAD
Washington
RDU
Raleigh
$157 Roundtrip, just found
$157
Roundtrip
just found
Select United flight, departing Thu, Oct 2 from Washington to Raleigh, returning Mon, Oct 6, priced at $157 just found
Frontier Airlines
Mon, Aug 25 - Sat, Aug 30
IAD
Washington
RDU
Raleigh
$165 Roundtrip, found 5 days ago
$165
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Mon, Aug 25 from Washington to Raleigh, returning Sat, Aug 30, priced at $165 found 5 days ago
United
Thu, Oct 2 - Mon, Oct 6
IAD
Washington
RDU
Raleigh
$171 Roundtrip, just found
$171
Roundtrip
just found
Select United flight, departing Thu, Oct 2 from Washington to Raleigh, returning Mon, Oct 6, priced at $171 just found
Frontier Airlines
Fri, Sep 5 - Mon, Sep 8
IAD
Washington
RDU
Raleigh
$176 Roundtrip, found 5 days ago
$176
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Fri, Sep 5 from Washington to Raleigh, returning Mon, Sep 8, priced at $176 found 5 days ago
United
Thu, Dec 18 - Mon, Dec 22
IAD
Washington
RDU
Raleigh
$177 Roundtrip, just found
$177
Roundtrip
just found
Select United flight, departing Thu, Dec 18 from Washington to Raleigh, returning Mon, Dec 22, priced at $177 just found
United
Mon, Nov 3 - Sun, Dec 21
IAD
Washington
RDU
Raleigh
$178 Roundtrip, found 3 days ago
$178
Roundtrip
found 3 days ago
Select United flight, departing Mon, Nov 3 from Washington to Raleigh, returning Sun, Dec 21, priced at $178 found 3 days ago
United
Fri, Nov 28 - Mon, Dec 1
IAD
Washington
RDU
Raleigh
$179 Roundtrip, found 22 hours ago
$179
Roundtrip
found 22 hours ago
Select United flight, departing Fri, Nov 28 from Washington to Raleigh, returning Mon, Dec 1, priced at $179 found 22 hours ago
Delta
Thu, Oct 2 - Mon, Oct 6
IAD
Washington
RDU
Raleigh
$237 Roundtrip, just found
$237
Roundtrip
just found
Select Delta flight, departing Thu, Oct 2 from Washington to Raleigh, returning Mon, Oct 6, priced at $237 just found
American Airlines
Tue, Oct 14 - Sat, Oct 18
IAD
Washington
RDU
Raleigh
$251 Roundtrip, found 2 hours ago
$251
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Tue, Oct 14 from Washington to Raleigh, returning Sat, Oct 18, priced at $251 found 2 hours ago
Alaska Airlines
Thu, May 7 - Fri, May 8
IAD
Washington
RDU
Raleigh
$21,779 Roundtrip, found 1 hour ago
$21,779
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Thu, May 7 from Washington to Raleigh, returning Fri, May 8, priced at $21,779 found 1 hour ago

Find the cheapest month to fly from Washington (IAD) to Raleigh (RDU)

May is typically the cheapest month to fly

From $97 - $231 per traveler.

Graph displaying average flight prices per month

Alternative airports near Raleigh

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

Select flight to Raleigh - Durham Intl. RDU. Cheapest and Closest option available. Average driving time to city center is 20 minutes. Flights from $183
RDU
Raleigh - Durham Intl.
CheapestClosest
Average driving time to city center20 min
Flights from $183
Flights from Washington (IAD) to Raleigh (RDU)
Origin airport
Washington Dulles Intl.
Destination airport
Raleigh - Durham Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$157
Distance
224 mi
Average flight time
1 hour 14 mins

Washington to Raleigh Flights

The cheapest times to fly from Washington to Raleigh

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 Raleigh are during the month of October. You can find some of the cheapest flights from Washington to Raleigh with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Raleigh

Sunday is one of the best days to book for cheap flights from Washington to Raleigh: 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 Raleigh

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 Raleigh in 2025. You can also book with separate airlines for your outbound and return journeys, from $79 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 Raleigh 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 Raleigh 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.

 

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU) cost?
You can land cheap return flights from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU) starting at $134. Snag a seat and get ready for takeoff. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United and Spirit Airlines flight leaving IAD on August 1 2025 and touching down at RDU. The price was last updated on July 14 2025 and has not changed since.
What is the cheapest month to fly from IAD to RDU?
To lock in a cheap fare, search for direct flights from IAD to RDU taking off in October. You can find a one-way United flight for $89 leaving on October 14 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on July 14 2025 and remains unchanged.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU)?
Hop on a nonstop flight with United Airlines and fly straight from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU).
What is the cheapest airline that flies from IAD to RDU?
Right now, the cheapest carrier offering one-way flights from IAD to RDU is United. You can book a seat on this route from $89. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IAD on August 24 2025. Prices were last updated on July 14 2025 and have not changed since.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU)?
Every day on average, 4 direct flights take off from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU). Choose the departure that works for you.
What are the most popular departure times for flights from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU)?
Flights between IAD and RDU are busiest at 12 PM. For a more relaxed trip and possibly cheaper fares, look for a departure that's outside typical rush times.
What day of the week has the most flights from IAD to RDU?
If you jet off on a Friday, you'll get the largest range of choices for flights from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU).
What is the earliest flight from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU)?
Hop on the earliest flight at around 8:28AM UTC-5, departing from Washington Dulles Intl. Airport (IAD). You'll be in the air for about 1h 12m, reaching Raleigh - Durham Intl. Airport (RDU) at approximately 9:40AM UTC-5.
How long does it take to fly from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU)?
The average flight time from IAD to RDU is 1 hour and 14 minutes, covering a total distance of 230 mi.
What airline has the least delays from IAD to RDU?
Consider traveling with United Airlines if you'd like to go straight from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU) without any holdups. This carrier has the strongest track record for punctuality, with an on-time score of 82%. Want real-time updates? You can check your flight status using the Expedia App.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU)?
To touch down at Raleigh - Durham Intl. Airport (RDU) without delays, choose a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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.
What airports do you fly into for Raleigh from Washington Dulles Intl. Airport (IAD)?
Raleigh - Durham Intl. Airport (RDU) is the only airport in Raleigh with direct flights from Washington Dulles Intl. Airport (IAD). Browse the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU) last-minute?
Last-minute fares from IAD to RDU are typically more expensive. For the best rates, start looking for flights well in advance. That being said, if you're flexible with your travel dates, you may find a cheap ticket right before your trip.
Is it cheaper to book an IAD to RDU flight and hotel package?
You can save money by securing an IAD to RDU flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your preferred accommodations and flights, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU)?
It's generally possible to cancel or reschedule your IAD to RDU flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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