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Cheap flights from Raleigh to Washington, D.C. from $87

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Raleigh to Washington, D.C. departing on 3/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Raleigh to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:02 pm - 4:12 pm
RDU
-
IAD
1h 10mnonstop
United Airlines Logo
12:50 pm - 2:06 pm
IAD
-
RDU
1h 16mnonstop
$171United Airlines
Thu, Jan 8 - Thu, Jan 15
Frontier Logo
6:25 am - 10:33 am
RDU
-
IAD
28h 08m1 stop
Frontier Logo
8:09 am - 9:52 pm
IAD
-
RDU
13h 43m1 stop
$172Frontier
Wed, Feb 25 - Sun, Mar 8
United Airlines Logo
3:02 pm - 4:12 pm
RDU
-
IAD
1h 10mnonstop
United Airlines Logo
10:33 pm - 11:44 pm
IAD
-
RDU
1h 11mnonstop
$175United Airlines
Fri, Jan 9 - Wed, Feb 18
United Airlines Logo
10:31 am - 11:41 am
RDU
-
IAD
1h 10mnonstop
United Airlines Logo
8:25 am - 9:35 am
IAD
-
RDU
1h 10mnonstop
$177United Airlines
Wed, Feb 25 - Wed, Mar 4
United Airlines Logo
6:18 am - 7:28 am
RDU
-
IAD
1h 10mnonstop
United Airlines Logo
12:50 pm - 2:06 pm
IAD
-
RDU
1h 16mnonstop
$179United Airlines
Fri, Jan 9 - Fri, Jan 16
Multiple Airlines Logo
6:10 am - 11:28 am
RDU
-
IAD
5h 18m1 stop
Multiple Airlines Logo
6:00 am - 6:01 pm
IAD
-
RDU
12h 01m2 stops
$185Multiple Airlines
Thu, Jan 8 - Thu, Jan 15
Frontier Logo
6:00 am - 11:28 am
RDU
-
IAD
5h 28m1 stop
Frontier Logo
5:42 pm - 7:19 am
IAD
-
RDU
13h 37m2 stops
$193Frontier
Sat, Jan 10 - Thu, Jan 15
United Airlines Logo
7:40 pm - 8:58 pm
RDU
-
IAD
1h 18mnonstop
United Airlines Logo
8:21 am - 9:39 am
IAD
-
RDU
1h 18mnonstop
$194United Airlines
Tue, Dec 23 - Sun, Jan 4
United Airlines Logo
3:00 pm - 4:10 pm
RDU
-
IAD
1h 10mnonstop
United Airlines Logo
8:25 am - 9:34 am
IAD
-
RDU
1h 09mnonstop
$197United Airlines
Mon, Mar 16 - Wed, Mar 18
Frontier Logo
6:09 am - 11:28 am
RDU
-
IAD
5h 19m1 stop
Frontier Logo
2:53 pm - 12:12 am
IAD
-
RDU
9h 19m2 stops
$199Frontier
Fri, Jan 9 - Sun, Jan 11

Frontier flights from Raleigh to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Raleigh to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Feb 22
RDU10:59 pmRaleigh-Durham
11h 44m
2 stops
IAD10:43 amWashington, D.C. Dulles Intl
Feb 26
IAD11:22 amWashington, D.C. Dulles Intl
12h 48m
1 stop
RDU12:10 amRaleigh-Durham
$167
Find similar
Frontier
Feb 25
RDU6:25 amRaleigh-Durham
28h 08m
1 stop
IAD10:33 amWashington, D.C. Dulles Intl
Mar 8
IAD8:09 amWashington, D.C. Dulles Intl
13h 43m
1 stop
RDU9:52 pmRaleigh-Durham
$172
Find similar
Frontier
Jan 22
RDU9:36 pmRaleigh-Durham
11h 04m
1 stop
IAD8:40 amWashington, D.C. Dulles Intl
Jan 23
IAD5:33 pmWashington, D.C. Dulles Intl
6h 38m
1 stop
RDU12:11 amRaleigh-Durham
$180
Find similar

Delta flights from Raleigh to Washington, D.C. Dulles Intl Airport

Our best Delta deals on Raleigh to Washington, D.C. Dulles Intl Airport flight tickets
Delta
Jan 9
RDU11:08 amRaleigh-Durham
6h 09m
1 stop
IAD5:17 pmWashington, D.C. Dulles Intl
Feb 18
IAD7:15 amWashington, D.C. Dulles Intl
6h 41m
1 stop
RDU1:56 pmRaleigh-Durham
$229
Find similar
Delta
Jan 8
RDU7:05 amRaleigh-Durham
4h 38m
1 stop
IAD11:43 amWashington, D.C. Dulles Intl
Jan 12
IAD5:26 pmWashington, D.C. Dulles Intl
4h 06m
1 stop
RDU9:32 pmRaleigh-Durham
$230
Find similar
Delta
Jan 9
RDU2:58 pmRaleigh-Durham
8h 08m
2 stops
IAD11:06 pmWashington, D.C. Dulles Intl
Jan 11
IAD6:00 amWashington, D.C. Dulles Intl
6h 02m
1 stop
RDU12:02 pmRaleigh-Durham
$248
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Raleigh to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated December 11, 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

Fly to

Route

Depart

Return

Price

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Thu 1/8

3:02 pm-4:12 pm

Nonstop1h 10m

Washington, D.C. Dulles Intl

Thu 1/15

12:50 pm-2:06 pm

Nonstop1h 16m

$171

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Wed 2/25

6:25 am-10:33 am

1 stop28h 08m

Washington, D.C. Dulles Intl

Sun 3/8

8:09 am-9:52 pm

1 stop13h 43m

$172

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Fri 1/9

3:02 pm-4:12 pm

Nonstop1h 10m

Washington, D.C. Dulles Intl

Wed 2/18

10:33 pm-11:44 pm

Nonstop1h 11m

$175

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Wed 2/25

10:31 am-11:41 am

Nonstop1h 10m

Washington, D.C. Dulles Intl

Wed 3/4

8:25 am-9:35 am

Nonstop1h 10m

$177

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Fri 1/9

6:18 am-7:28 am

Nonstop1h 10m

Washington, D.C. Dulles Intl

Fri 1/16

12:50 pm-2:06 pm

Nonstop1h 16m

$179

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Thu 1/8

6:10 am-11:28 am

1 stop5h 18m

Washington, D.C. Dulles Intl

Thu 1/15

6:00 am-6:01 pm

2 stops12h 01m

$185

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Sat 1/10

6:00 am-11:28 am

1 stop5h 28m

Washington, D.C. Dulles Intl

Thu 1/15

5:42 pm-7:19 am

2 stops13h 37m

$193

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Tue 12/23

7:40 pm-8:58 pm

Nonstop1h 18m

Washington, D.C. Dulles Intl

Sun 1/4

8:21 am-9:39 am

Nonstop1h 18m

$194

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Mon 3/16

3:00 pm-4:10 pm

Nonstop1h 10m

Washington, D.C. Dulles Intl

Wed 3/18

8:25 am-9:34 am

Nonstop1h 09m

$197

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Fri 1/9

6:09 am-11:28 am

1 stop5h 19m

Washington, D.C. Dulles Intl

Sun 1/11

2:53 pm-12:12 am

2 stops9h 19m

$199

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Raleigh to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, August is the cheapest month to fly from Raleigh to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $239. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $239.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $785. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Raleigh to Washington, D.C. Dulles Intl Airport for around $973.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Raleigh in the morning is the least expensive time of day to depart. momondo users have found prices as low as $705 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $1,134 on average. Flights to Washington, D.C. Dulles Intl Airport from Raleigh in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Raleigh-Durham to Washington, D.C. Dulles Intl flight route?

Fly from Raleigh-Durham to Washington, D.C. Dulles Intl for the best Raleigh-Durham - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Raleigh when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $266 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Raleigh for as low as $179 on momondo.

What cabin class options are available on Raleigh-Durham to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Raleigh-Durham to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Raleigh to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 30% on your flight if you consider stops on a Raleigh to Washington, D.C. Dulles Intl Airport flight.

How have Raleigh to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of December 2025, prices for Raleigh to Washington, D.C. Dulles Intl Airport flights are approximately 1% more expensive when compared to flights at the same time last year.

When to book flights from Raleigh to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Raleigh to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Raleigh to Washington, D.C. Dulles Intl Airport (RDU to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Raleigh to Washington, D.C. Dulles Intl Airport

Best Price Found

$157

Fastest flight time

1h 08m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Raleigh in the past 72 hours is $157. The best round-trip flight deal from Raleigh to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $537.
The fastest flight from Raleigh to Washington, D.C. Dulles Intl Airport takes 1h 08m
Direct flights go from Raleigh to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • How far is Raleigh-Durham to Washington, D.C. Dulles Intl by plane?

    Raleigh-Durham and Washington, D.C. Dulles Intl are 228.7 mi apart from one another. Typically, this will take 1h 08m by plane in normal conditions.

  • When did momondo last update prices for flights from Raleigh-Durham Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Raleigh-Durham Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How many operators does momondo search for flights from Raleigh-Durham Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Raleigh-Durham Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Raleigh-Durham Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Raleigh to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Raleigh to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Raleigh to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Raleigh to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $178Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights

  • United Airlines Flights From Raleigh to Washington, D.C. Dulles Intl Airport

    United Airlines flight deals from Raleigh to Washington, D.C. Dulles Intl Airport start from $178 round-trip. Over the 16 United Airlines flights for this route in a normal week, average airfare is usually $259 round-trip - but some users have found much cheaper deals with momondo.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Harpers Ferry
Rockville
Gaithersburg
Reston
Manassas
Sterling
Fairfax

Why use momondo?

Why should I use momondo to find a flight deal from Raleigh to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Raleigh.

Can I find flights from Raleigh to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Raleigh to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Raleigh to Washington, D.C.?

momondo helps you find the best flight between Raleigh and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Raleigh to Washington, D.C. right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Raleigh to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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