Washington, D.C.

$84+ Cheap flights from Raleigh (RDU) to Washington, D.C. (WAS)

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — WAS
Aug 12 — Aug 191
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Cheapflights Tip: The best prices from Raleigh-Durham to Washington, D.C. are usually found in August or January, booked 68 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from Raleigh to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to Washington, D.C. (WAS). 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 August 7, 2025.

Round-trip from

$158
(Frontier)

One-way from

$84
(American Airlines)

Popular in

September

Cheapest in

August

Average price

$199

Good round-trip deal

$226 or less

Good one-way deal

$118 or less
From Raleigh-Durham to Washington, D.C. (WAS)
One-way flight from Raleigh-Durham to Washington, D.C. (WAS)
Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from Raleigh-Durham to Washington, D.C. (WAS).
Price to beat on a one-way flight from Raleigh-Durham to Washington, D.C. (WAS).

Find flight deals from Raleigh to Washington, D.C.

Cheapest flights from Raleigh to Washington, D.C.
Explore the most affordable flight options available from Raleigh to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 7, 2025.

This Justfly.com deal was found by Cheapflights users on 8/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:20 amRDU - BWI
1 stop10h 29mMultiple Airlines
Sun 12/143:01 pmBWI - RDU
1 stop6h 02mMultiple Airlines
Deal found 8/6$158
This Frontier deal was found by Cheapflights users on 8/6. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/237:30 amRDU - IAD
1 stop9h 00mFrontier
Sat 8/309:33 pmIAD - RDU
1 stop12h 19mFrontier
Deal found 8/6$158
This Frontier deal was found by Cheapflights users on 8/7. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/94:44 pmRDU - IAD
1 stop6h 42mFrontier
Mon 8/116:10 amIAD - RDU
1 stop9h 10mFrontier
Deal found 8/7$161
This FlightHub deal was found by Cheapflights users on 8/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/59:23 amRDU - BWI
1 stop7h 28mSpirit Airlines
Mon 9/86:50 amBWI - RDU
1 stop7h 45mSpirit Airlines
Deal found 8/6$162
This Delta deal was found by Cheapflights users on 8/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/243:43 pmRDU - DCA
Nonstop1h 17mDelta
Wed 10/2910:01 pmDCA - RDU
Nonstop1h 12mDelta
Deal found 8/7$162
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Fri 10/247:45 pmRDU - IAD
Nonstop1h 08mUnited Airlines
Mon 10/278:25 amIAD - RDU
Nonstop1h 08mUnited Airlines
Deal found 8/6$162
This Delta deal was found by Cheapflights users on 8/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/297:59 pmRDU - DCA
Nonstop1h 26mDelta
Mon 9/17:55 amDCA - RDU
Nonstop1h 12mDelta
Deal found 8/7$163
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Mon 11/243:05 pmRDU - IAD
Nonstop1h 09mUnited Airlines
Mon 12/18:25 amIAD - RDU
Nonstop1h 08mUnited Airlines
Deal found 8/6$163
This FlightHub deal was found by Cheapflights users on 8/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2710:48 amRDU - IAD
1 stop7h 36mFrontier
Tue 9/309:15 amIAD - RDU
1 stop11h 22mFrontier
Deal found 8/5$165
This FlightHub deal was found by Cheapflights users on 8/6. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/28:37 amRDU - BWI
1 stop5h 31mMultiple Airlines
Fri 9/56:50 amBWI - RDU
1 stop7h 45mMultiple Airlines
Deal found 8/6$167
This Justfly.com deal was found by Cheapflights users on 8/7. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:48 amRDU - IAD
1 stop7h 36mFrontier
Tue 9/169:15 amIAD - RDU
1 stop11h 22mFrontier
Deal found 8/7$167
This American Airlines deal was found by Cheapflights users on 8/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/223:28 pmRDU - DCA
Nonstop1h 16mAmerican Airlines
Mon 8/251:44 pmDCA - RDU
Nonstop1h 14mAmerican Airlines
Deal found 8/6$168

Cheapflights Fare Finder

 
Customize your flight search to find flights from Raleigh to Washington, D.C. 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 August 7, 2025.
Use the filters below to find and compare flights from Raleigh to Washington, D.C. that are best for you.

Fly from

Raleigh

Fly to

Washington, D.C.

Route

Depart

Return

Price

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Sat 8/23

7:30 am-4:30 pm

1 stop9h 00m

Washington, D.C. Dulles Intl

Sat 8/30

9:33 pm-9:52 am

1 stop12h 19m

$158

RaleighBaltimore

RDU - BWI

RDUBWI

Raleigh-Durham

Wed 9/3

10:00 am-3:04 pm

1 stop5h 04m

Baltimore/Washington

Fri 9/5

6:50 am-2:35 pm

1 stop7h 45m

$161

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Sat 10/18

7:30 am-3:26 pm

1 stop7h 56m

Washington, D.C. Dulles Intl

Mon 10/20

4:45 pm-10:59 pm

1 stop6h 14m

$161

RaleighBaltimore

RDU - BWI

RDUBWI

Raleigh-Durham

Fri 9/5

9:23 am-4:51 pm

1 stop7h 28m

Baltimore/Washington

Mon 9/8

6:50 am-2:35 pm

1 stop7h 45m

$162

RaleighWashington, D.C.

RDU - DCA

RDUDCA

Raleigh-Durham

Fri 10/24

3:43 pm-5:00 pm

Nonstop1h 17m

Washington, D.C. Reagan-National

Tue 10/28

7:58 am-9:11 am

Nonstop1h 13m

$162

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Fri 10/24

7:45 pm-8:53 pm

Nonstop1h 08m

Washington, D.C. Dulles Intl

Mon 10/27

8:25 am-9:33 am

Nonstop1h 08m

$162

RaleighWashington, D.C.

RDU - DCA

RDUDCA

Raleigh-Durham

Fri 8/29

7:59 pm-9:25 pm

Nonstop1h 26m

Washington, D.C. Reagan-National

Mon 9/1

7:55 am-9:07 am

Nonstop1h 12m

$163

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Sat 9/27

10:48 am-6:24 pm

1 stop7h 36m

Washington, D.C. Dulles Intl

Tue 9/30

9:15 am-8:37 pm

1 stop11h 22m

$165

RaleighBaltimore

RDU - BWI

RDUBWI

Raleigh-Durham

Tue 9/2

8:37 am-2:08 pm

1 stop5h 31m

Baltimore/Washington

Fri 9/5

6:50 am-2:35 pm

1 stop7h 45m

$167

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Sat 9/13

10:48 am-6:24 pm

1 stop7h 36m

Washington, D.C. Dulles Intl

Tue 9/16

9:15 am-8:37 pm

1 stop11h 22m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/6

Showing 1-10 of 60 results
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The best insider tips for Raleigh to Washington, D.C. 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. trip
Airports
RDU

RDU's security lines are efficient, with separate standard and TSA PreCheck lanes in both terminals.

Read more about RDUby John Walton
IAD

The Silver Line Metro connects IAD to Washington, D.C. in under 40 minutes, offering a cost-effective travel option.

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

Best time to book a flight from Raleigh to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

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

Use this chart to determine the optimal time to book a round-trip flight from Raleigh to Washington, D.C.. Price data was last updated on August 1, 2025.

The best time to book flights from Raleigh to Washington, D.C. is 68 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Raleigh to Washington, D.C. (average of $241). Flying from Raleigh to Washington, D.C. in March is currently the most expensive (average of $290). 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 WAS?

Find hourly flight availability from Raleigh to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 7, 2025.

A simple way to save on the total cost of your ticket is to fly from Raleigh to Washington, D.C. in the morning. If you’re flexible enough to do this you can expect to save up to 40% on your trip compared to booking a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Raleigh to Washington, D.C.. Price data was last updated on August 3, 2025.

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

Weekly flight availability from Raleigh to Washington, D.C.

Explore weekly flight availability from Raleigh to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 7, 2025.

The most flights from RDU to WAS are scheduled on a Thursday (32 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated August 7, 2025.
Read through reviews of airlines operating flights from Raleigh to Washington, D.C., such as Southwest, Delta, and Avelo Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
8.0
Very good

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.
Avelo Airlines
7.5
Good

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Boarding

8.1

Crew

8.6

Food

7.0

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Related info for your journey

Find useful and relevant information for your journey from Raleigh to Washington, D.C.. 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.?

    Raleigh-Durham (RDU), located 11.1 mi from the city center, is the airport you fly out of when you book flights from Raleigh to Washington, D.C.. 6 airlines have flights from Raleigh-Durham to Washington, D.C. on a regular basis. Booking flights from Raleigh-Durham to Washington, D.C. should not be difficult; the airport handles an average of 22 outbound flights to Washington, D.C. per day.

  • How popular is this Raleigh to Washington, D.C. flight route?

  • What are the cheapest airlines flying from Raleigh to Washington, D.C. round-trip?

    Flying on Frontier is currently your cheapest option to Washington, D.C., with prices starting at $158. Another option worth looking into is Spirit Airlines, starting at $162 round trip. Frontier is 34% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Raleigh to Washington, D.C. one-way?

    The cheapest airlines for a one-way flight from Raleigh to Washington, D.C. are American Airlines ($84), Southwest ($86), and Frontier ($86).

  • What are the most popular routes from Raleigh to Washington, D.C.?

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

    Looking at all options, your cheapest flight can be booked for $76. While the most popular route (Raleigh-Durham - Baltimore/Washington) can be booked for $149 on average our data indicates $255 when flying from Raleigh to Washington, D.C..

  • Can I find deals for flights from Raleigh to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Raleigh to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Raleigh to Washington, D.C.?

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

  • Can I find deals for business class flights from Raleigh to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Raleigh to Washington, D.C. 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.?

    Currently, August is the cheapest month in which you can book a flight from Raleigh to Washington, D.C. (average of $241). Flying from Raleigh to Washington, D.C. in March is currently the most expensive (average of $290). 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.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Easton
Fairfax
Manassas
Falls Church
Laurel
Rockville
Oxon Hill
Springfield
National Harbor
Dundalk
Waldorf

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Raleigh to Washington, D.C.

Discover the top 6 airlines that operate flights from Raleigh to Washington, D.C.. 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 August 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$78Average$128FlexibilityNo cancel feeOn-time65%
FrontierCheapest$108Average$168FlexibilityNo cancel feeOn-time62%
DeltaCheapest$116Average$271FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$165Average$274FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$174Average$234FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$177Average$262FlexibilityNo cancel feeOn-time71%

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