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Dulles Intl

$87+ Cheap flights from Raleigh (RDU) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — IAD
dic. 18 — dic. 251
jue. 12/18
jue. 12/25
1 adult, Economy
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Cheapflights Tip: The best prices from Raleigh-Durham to Washington, D.C. Dulles Intl are usually found in August or October, booked 31 days in advance, depart on a Thursday or Tuesday and return on a Friday

Cheap flight deals from Raleigh to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated noviembre 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$181
(Kiwi.com)

One-way from

$87
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$281

Good round-trip deal

$381 or less

Good one-way deal

$154 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. 12% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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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Find flight deals from Raleigh to Dulles Intl

Cheapest flights from Raleigh to Dulles Intl
Explore the most affordable flight options available from Raleigh to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on noviembre 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/59:37 pmRDU - IAD
1 stop22h 47mMultiple Airlines
vie. 12/129:20 pmIAD - RDU
1 stop11h 37mMultiple Airlines
Deal found 11/17$181
This United Airlines deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/273:05 pmRDU - IAD
Nonstop1h 09mUnited Airlines
dom. 11/3010:30 pmIAD - RDU
Nonstop1h 11mUnited Airlines
Deal found 11/15$182
This Kiwi.com deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/38:15 amRDU - IAD
1 stop6h 14mFrontier
jue. 12/47:18 pmIAD - RDU
2 stops12h 18mFrontier
Deal found 11/17$188
This United Airlines deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/1810:45 amRDU - IAD
Nonstop1h 10mUnited Airlines
lun. 12/228:21 amIAD - RDU
Nonstop1h 18mUnited Airlines
Deal found 11/17$189
This Kiwi.com deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/71:03 pmRDU - IAD
1 stop10h 02mFrontier
mar. 12/99:00 amIAD - RDU
1 stop15h 12mFrontier
Deal found 11/17$190
This Kiwi.com deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/111:03 pmRDU - IAD
1 stop10h 07mFrontier
vie. 12/125:19 pmIAD - RDU
1 stop6h 53mFrontier
Deal found 11/16$192
This Kiwi.com deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/168:15 amRDU - IAD
1 stop6h 14mFrontier
vie. 12/196:05 amIAD - RDU
1 stop6h 15mFrontier
Deal found 11/17$193
This United Airlines deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/56:10 amRDU - IAD
Nonstop1h 09mUnited Airlines
vie. 12/1210:35 pmIAD - RDU
Nonstop1h 09mUnited Airlines
Deal found 11/17$194
This Kiwi.com deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/108:15 amRDU - IAD
1 stop6h 14mFrontier
jue. 12/117:18 pmIAD - RDU
2 stops12h 18mFrontier
Deal found 11/17$197
This Kiwi.com deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/135:45 amRDU - IAD
2 stops14h 39mFrontier
jue. 12/185:35 amIAD - RDU
1 stop6h 25mFrontier
Deal found 11/16$198
This Kiwi.com deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/209:37 amRDU - IAD
1 stop27h 48mMultiple Airlines
lun. 12/227:06 pmIAD - RDU
1 stop5h 07mMultiple Airlines
Deal found 11/16$200
This Kiwi.com deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/168:15 amRDU - IAD
1 stop6h 14mFrontier
mar. 12/239:58 pmIAD - RDU
1 stop12h 54mFrontier
Deal found 11/17$203

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated noviembre 18, 2025.
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

Raleigh

Fly to

Dulles Intl

Route

Depart

Return

Price

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

jue. 11/27

3:05 pm-4:14 pm

Nonstop1h 09m

Washington, D.C. Dulles Intl

dom. 11/30

10:30 pm-11:41 pm

Nonstop1h 11m

$182

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

jue. 12/18

10:45 am-11:55 am

Nonstop1h 10m

Washington, D.C. Dulles Intl

lun. 12/22

8:21 am-9:39 am

Nonstop1h 18m

$189

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

jue. 12/11

1:03 pm-11:10 pm

1 stop10h 07m

Washington, D.C. Dulles Intl

vie. 12/12

5:19 pm-12:12 am

1 stop6h 53m

$192

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

vie. 12/5

6:10 am-7:19 am

Nonstop1h 09m

Washington, D.C. Dulles Intl

vie. 12/12

10:35 pm-11:44 pm

Nonstop1h 09m

$194

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

mar. 1/27

3:02 pm-4:12 pm

Nonstop1h 10m

Washington, D.C. Dulles Intl

mié. 1/28

12:50 pm-2:06 pm

Nonstop1h 16m

$197

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

mié. 12/31

10:45 am-11:55 am

Nonstop1h 10m

Washington, D.C. Dulles Intl

mié. 1/7

5:35 pm-6:52 pm

Nonstop1h 17m

$208

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

jue. 12/4

7:45 pm-8:54 pm

Nonstop1h 09m

Washington, D.C. Dulles Intl

dom. 12/7

5:25 pm-6:36 pm

Nonstop1h 11m

$209

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

mar. 12/2

3:05 pm-4:14 pm

Nonstop1h 09m

Washington, D.C. Dulles Intl

sáb. 12/6

10:35 pm-11:44 pm

Nonstop1h 09m

$209

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

sáb. 12/6

10:29 am-11:37 am

Nonstop1h 08m

Washington, D.C. Dulles Intl

dom. 12/7

8:15 am-9:23 am

Nonstop1h 08m

$209

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

mié. 12/3

3:05 pm-4:14 pm

Nonstop1h 09m

Washington, D.C. Dulles Intl

dom. 12/7

12:55 pm-2:07 pm

Nonstop1h 12m

$209

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/16

Showing 1-10 of 23 results
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Compare providers for flights from Raleigh to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Raleigh-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

Use this chart to determine the optimal time to book a round-trip flight from Raleigh to Dulles Intl. Price data was last updated on November 14, 2025.

Booking 31 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, April is the cheapest month in which you can book a flight from Raleigh to Washington, D.C. Dulles Intl Airport (average of $121). Flying from Raleigh to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $206). 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?

Find hourly flight availability from Raleigh to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated noviembre 18, 2025.

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 39% 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?

Use this chart to determine the cheapest time to fly round-trip from Raleigh to Dulles Intl. Price data was last updated on November 2, 2025.

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

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Raleigh to Washington, D.C. Dulles Intl Airport trip
Airports
RDU

RDU offers free Wi-Fi throughout the terminals. Connect to the 'RDU Free WiFi' network for seamless browsing before your flight.

Read more about RDUby John Walton
IAD

The Washington Metro Silver line reaches IAD in under 40 minutes, offering a cost-effective way to reach the city.

Read more about IADby Ramsey Qubein
Our travel experts
John Walton

John Walton

Expert on RDU

John Walton

John Walton

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

Ramsey Qubein

Ramsey Qubein

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

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated noviembre 18, 2025.
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
9,019 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,019 reviews
United Airlines
7.4
Good
9,019 reviews

Crew

8.1

Comfort

7.3

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Raleigh to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 15 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 09m. Fly via United Airlines or Frontier 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 32% 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: ITA Airways (95%), Copa Airlines (93%), Ethiopian Air( 92%).

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

    On average you can expect to pay $950 for a flight from Raleigh to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $98 while the most popular route, (Raleigh-Durham - Washington, D.C. Dulles Intl) is currently priced at $117.

  • 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, April is the cheapest month in which you can book a flight from Raleigh to Washington, D.C. Dulles Intl Airport (average of $121). Flying from Raleigh to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $206). 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
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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Alternative routes for Raleigh to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Raleigh to Dulles Intl

Discover the top airline that operate flights from Raleigh to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated noviembre 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$259FlexibilityNo cancel feeOn-time69%

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