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Dulles Intl

$59+ Cheap flights from Raleigh (RDU) to Dulles Intl (IAD)

RDU — IAD
Oct 28 — Nov 41
Wed 10/28
Wed 11/4
1 adult, Economy
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Find cheap flights from Raleigh to Dulles Intl with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

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Cheapflights Tip: The best prices from Raleigh-Durham to Washington, D.C. Dulles Intl are usually found in December or October, booked 61 days in advance, depart on a Thursday or Saturday and return on a Thursday

Cheap flight deals from Raleigh to Dulles Intl

Cheapest flights from Raleigh to Dulles Intl

Sun 10/181:16 pm -
1 stop27h 57m
Thu 10/227:54 am -
1 stop14h 54m
Deal found 9/23$176
Tue 10/206:30 am -
1 stop10h 43m
Fri 10/2311:12 am -
1 stop5h 19m
Deal found 9/24$178
Fri 11/69:30 pm -
1 stop12h 51m
Mon 11/911:16 am -
1 stop22h 01m
Deal found 9/23$180
Sun 11/16:07 am -
1 stop11h 05m
Tue 11/38:05 am -
1 stop7h 18m
Deal found 9/26$181
Fri 10/161:16 pm -
1 stop11h 05m
Mon 10/197:50 am -
1 stop4h 31m
Deal found 9/25$182
Sun 10/181:16 pm -
1 stop27h 57m
Mon 11/26:36 pm -
2 stops14h 41m
Deal found 9/23$183
Fri 10/309:30 pm -
2 stops26h 13m
Sun 11/19:06 pm -
1 stop14h 57m
Deal found 9/27$184
Thu 10/156:30 am -
1 stop17h 51m
Mon 10/196:36 pm -
2 stops14h 41m
Deal found 9/23$185
Thu 10/156:30 am -
1 stop10h 43m
Mon 10/199:06 pm -
2 stops19h 25m
Deal found 9/23$186
Mon 10/129:30 pm -
1 stop12h 47m
Sat 10/319:06 pm -
1 stop16h 18m
Deal found 9/26$187
Wed 10/214:20 pm -
1 stop8h 01m
Sun 10/2511:12 am -
1 stop22h 05m
Deal found 9/25$188

Find flight deals from Raleigh to Dulles Intl

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$176
(Kiwi.com)

One-way from

$59
(Mytrip)

Popular in

August

Cheapest in

December

Average price

$437

Good round-trip deal

$476 or less

Good one-way deal

$274 or less
Provider with most accurate pricing for Raleigh-Durham-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Raleigh-Durham-Washington, D.C. Dulles Intl flights.
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From Raleigh-Durham to Washington, D.C. Dulles Intl
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One-way flight from Raleigh-Durham to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 16% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a round-trip flight from Raleigh-Durham to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Raleigh-Durham to Washington, D.C. Dulles Intl.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Raleigh to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

RaleighWashington, D.C.

RDU Raleigh-Durham - IAD Washington, D.C. Dulles Intl

RDUIAD

Raleigh-Durham

Wed 11/11

4:20 pm-11:43 pm

1 stop7h 23m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$61

RaleighWashington, D.C.

RDU Raleigh-Durham - IAD Washington, D.C. Dulles Intl

RDUIAD

Raleigh-Durham

Sat 10/24

10:22 am-12:21 am

2 stops13h 59m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$110

RaleighWashington, D.C.

RDU Raleigh-Durham - IAD Washington, D.C. Dulles Intl

RDUIAD

Raleigh-Durham

Fri 10/23

4:48 pm-12:21 am

2 stops31h 33m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$123

RaleighWashington, D.C.

RDU Raleigh-Durham - IAD Washington, D.C. Dulles Intl

RDUIAD

Raleigh-Durham

Tue 10/27

6:00 am-7:11 am

Nonstop1h 11m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$189
Quickest round-trip

RaleighWashington, D.C.

RDU Raleigh-Durham - IAD Washington, D.C. Dulles Intl

RDUIAD

Raleigh-Durham

Sat 10/24

3:05 pm-4:12 pm

Nonstop1h 07m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$189

RaleighWashington, D.C.

RDU Raleigh-Durham - IAD Washington, D.C. Dulles Intl

RDUIAD

Raleigh-Durham

Tue 10/20

7:45 pm-8:52 pm

Nonstop1h 07m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$189

RaleighWashington, D.C.

RDU Raleigh-Durham - IAD Washington, D.C. Dulles Intl

RDUIAD

Raleigh-Durham

Mon 10/19

10:40 am-11:47 am

Nonstop1h 07m

Washington, D.C. Dulles Intl

Wed 12/31

12:00 am-12:00 am

Nonstop0h 00m

$189

RaleighWashington, D.C.

RDU Raleigh-Durham - IAD Washington, D.C. Dulles Intl

RDUIAD

Raleigh-Durham

Fri 12/11

10:29 am-11:40 am

Nonstop1h 11m

Washington, D.C. Dulles Intl

Sat 12/12

5:35 pm-6:51 pm

Nonstop1h 16m

$201

RaleighWashington, D.C.

RDU Raleigh-Durham - IAD Washington, D.C. Dulles Intl

RDUIAD

Raleigh-Durham

Fri 10/30

10:39 am-11:50 am

Nonstop1h 11m

Washington, D.C. Dulles Intl

Mon 11/2

8:21 am-9:37 am

Nonstop1h 16m

$201

RaleighWashington, D.C.

RDU Raleigh-Durham - IAD Washington, D.C. Dulles Intl

RDUIAD

Raleigh-Durham

Thu 11/26

10:39 am-11:50 am

Nonstop1h 11m

Washington, D.C. Dulles Intl

Sun 11/29

10:28 pm-11:44 pm

Nonstop1h 16m

$223

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/24

Showing 1-10 of 23 resultsSorted by cheapest first
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Compare providers for flights from Raleigh to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Raleigh to Dulles Intl in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Raleigh-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Raleigh-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Raleigh-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Raleigh-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Raleigh-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Raleigh to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Raleigh with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Raleigh to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Raleigh to Washington, D.C. Dulles Intl Airport?

Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Raleigh to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Raleigh to Washington, D.C. Dulles Intl Airport?

Currently, December is the cheapest month in which you can book a flight from Raleigh to Washington, D.C. Dulles Intl Airport (average of $239). Flying from Raleigh to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $514). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from RDU to IAD?

It’s optimal to fly from Raleigh to Washington, D.C. Dulles Intl Airport in the morning. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Raleigh to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Raleigh to Washington, D.C. Dulles Intl Airport flight should consider departing on Saturday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Raleigh to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Raleigh to Washington, D.C. Dulles Intl Airport flights typically cost between $227 and $339 in October.
The cheapest round-trip price found within the last 5 days was $176 on Frontier (Oct 18-Oct 22).

The best insider tips for Raleigh to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Raleigh to Washington, D.C. Dulles Intl Airport trip
Our travel experts
John Walton

John Walton

Expert on RDU

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Dulles Intl

See what other customers who have flown with United Airlines from Raleigh to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,246 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Food

6.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
10,246 reviews
United Airlines
7.4
Good
10,246 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Crew

8.1

Overall

7.4

Food

6.7

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

  • What airport do you fly from for flights from Raleigh to Washington, D.C. Dulles Intl?

    Located just 11.1 mi from the city center, Raleigh-Durham is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from Raleigh. Booking flights from Raleigh-Durham (RDU) to Washington, D.C. Dulles Intl should be relatively easy as there are 18 daily outbound flights to Washington, D.C. Dulles Intl from 1 airline.

  • How long is the flight from Raleigh to Washington, D.C. Dulles Intl Airport?

    There are many flights that can get you from Raleigh to Washington, D.C. Dulles Intl Airport in 1h 11m. Fly via United Airlines or Delta to get the fastest option. Raleigh and Washington, D.C. Dulles Intl Airport are separated by a distance of 224 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Raleigh to Washington, D.C. Dulles Intl Airport round-trip?

    According to our current data, United Airlines ($179), offers the cheapest pricing from Raleigh to Washington, D.C. Dulles Intl Airport. United Airlines is 47% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Raleigh to Washington, D.C. Dulles Intl Airport?

    Before booking your flight to Washington, D.C. Dulles Intl Airport from Raleigh, check out the most reliable airlines to get you to your destination on time: ANA (97%), Air China (94%), Ethiopian Air( 90%).

  • What are the cheapest flights from Raleigh to Washington, D.C. Dulles Intl Airport?

    On average you can expect to pay $1,221 for a flight from Raleigh to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $154 while the most popular route, (Raleigh-Durham - Washington, D.C. Dulles Intl) is currently priced at $149.

  • Can I find deals for flights from Raleigh to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Raleigh to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Raleigh to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Raleigh to Dulles Intl.

  • Can I find deals for business class flights from Raleigh to Dulles Intl?

    Yes. Cheapflights offers flight deals from Raleigh to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Raleigh to Washington, D.C. Dulles Intl Airport?

    Currently, December is the cheapest month in which you can book a flight from Raleigh to Washington, D.C. Dulles Intl Airport (average of $239). Flying from Raleigh to Washington, D.C. Dulles Intl Airport in August is currently the most expensive (average of $514). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Arlington
Owings Mills
Lanham
Tysons
Chantilly
Woodbridge
Reston
Herndon
Hyattsville
Rockville
Fredericksburg
Falls Church
Sterling
Hanover
Laurel
Springfield
Oxon Hill
Clinton
Hunt Valley

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Raleigh to Dulles Intl

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$308FlexibilityNo cancel feeOn-time69%

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