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Cheap flights from Raleigh to Washington, D.C. from $90

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 10/31. 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

Logo
6:15 am - 7:14 pmRDU-IAD
12h 59m2 stops
Logo
8:53 pm - 5:10 pmIAD-RDU
20h 17m1 stop
$167
Find Deal
Mon, Oct 20 - Fri, Oct 24
Frontier Logo
6:15 am - 3:38 pmRDU-IAD
9h 23m1 stop
Frontier Logo
4:45 pm - 10:59 pmIAD-RDU
6h 14m1 stop
$168Frontier
Find Deal
Thu, Oct 9 - Fri, Oct 10
Frontier Logo
6:15 am - 3:38 pmRDU-IAD
9h 23m1 stop
Frontier Logo
4:45 pm - 10:59 pmIAD-RDU
6h 14m1 stop
$170Frontier
Find Deal
Thu, Oct 9 - Fri, Oct 10
Frontier Logo
12:21 pm - 6:19 pmRDU-IAD
5h 58m1 stop
Frontier Logo
1:02 pm - 9:58 amIAD-RDU
20h 56m1 stop
$171Frontier
Find Deal
Fri, Sep 26 - Sat, Sep 27
Frontier Logo
12:30 pm - 7:46 pmRDU-IAD
7h 16m1 stop
Frontier Logo
4:45 pm - 10:59 pmIAD-RDU
6h 14m1 stop
$173Frontier
Find Deal
Tue, Oct 7 - Fri, Oct 10
Frontier Logo
6:10 am - 8:20 pmRDU-IAD
14h 10m1 stop
Frontier Logo
5:34 pm - 10:58 pmIAD-RDU
5h 24m1 stop
$176Frontier
Find Deal
Wed, Oct 29 - Thu, Oct 30
United Airlines Logo
10:36 am - 11:44 amRDU-IAD
1h 08mnonstop
United Airlines Logo
8:25 am - 9:34 amIAD-RDU
1h 09mnonstop
$179United Airlines
Find Deal
Thu, Oct 2 - Sat, Oct 11
Logo
9:37 am - 1:25 pmRDU-IAD
27h 48m1 stop
Logo
7:14 pm - 9:07 amIAD-RDU
13h 53m1 stop
$180
Find Deal
Wed, Sep 24 - Sun, Sep 28
United Airlines Logo
1:30 pm - 2:38 pmRDU-IAD
1h 08mnonstop
United Airlines Logo
5:30 pm - 6:39 pmIAD-RDU
1h 09mnonstop
$184United Airlines
Find Deal
Wed, Sep 24 - Tue, Sep 30
Delta Logo
6:30 am - 11:10 amRDU-IAD
4h 40m1 stop
Delta Logo
6:00 am - 9:51 amIAD-RDU
3h 51m1 stop
$229Delta
Find Deal
Sat, Sep 27 - Mon, Sep 29

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
Sep 12
RDU6:22 amRaleigh-Durham
6h 33m
1 stop
IAD12:55 pmWashington, D.C. Dulles Intl
Sep 15
IAD1:55 pmWashington, D.C. Dulles Intl
9h 03m
1 stop
RDU10:58 pmRaleigh-Durham
$168
Find similar
Frontier
Oct 9
RDU6:15 amRaleigh-Durham
9h 23m
1 stop
IAD3:38 pmWashington, D.C. Dulles Intl
Oct 10
IAD4:45 pmWashington, D.C. Dulles Intl
6h 14m
1 stop
RDU10:59 pmRaleigh-Durham
$170
Find similar
Frontier
Sep 26
RDU12:21 pmRaleigh-Durham
5h 58m
1 stop
IAD6:19 pmWashington, D.C. Dulles Intl
Sep 27
IAD1:02 pmWashington, D.C. Dulles Intl
20h 56m
1 stop
RDU9:58 amRaleigh-Durham
$171
Find similar

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

Our best United Airlines deals on Raleigh to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Oct 2
RDU10:36 amRaleigh-Durham
1h 08m
IAD11:44 amWashington, D.C. Dulles Intl
Oct 11
IAD8:25 amWashington, D.C. Dulles Intl
1h 09m
RDU9:34 amRaleigh-Durham
$179
Find similar
United Airlines
Sep 24
RDU1:30 pmRaleigh-Durham
1h 08m
IAD2:38 pmWashington, D.C. Dulles Intl
Sep 30
IAD5:30 pmWashington, D.C. Dulles Intl
1h 09m
RDU6:39 pmRaleigh-Durham
$184
Find similar
United Airlines
Oct 10
RDU10:36 amRaleigh-Durham
1h 08m
IAD11:44 amWashington, D.C. Dulles Intl
Oct 14
IAD8:25 amWashington, D.C. Dulles Intl
1h 09m
RDU9:34 amRaleigh-Durham
$188
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 September 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

Mon 10/20

6:15 am-7:14 pm

2 stops12h 59m

Washington, D.C. Dulles Intl

Fri 10/24

8:53 pm-5:10 pm

1 stop20h 17m

$167

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Thu 10/9

6:15 am-3:38 pm

1 stop9h 23m

Washington, D.C. Dulles Intl

Fri 10/10

4:45 pm-10:59 pm

1 stop6h 14m

$168

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Thu 10/9

6:15 am-3:38 pm

1 stop9h 23m

Washington, D.C. Dulles Intl

Fri 10/10

4:45 pm-10:59 pm

1 stop6h 14m

$170

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Fri 9/26

12:21 pm-6:19 pm

1 stop5h 58m

Washington, D.C. Dulles Intl

Sat 9/27

1:02 pm-9:58 am

1 stop20h 56m

$171

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Tue 10/7

12:30 pm-7:46 pm

1 stop7h 16m

Washington, D.C. Dulles Intl

Fri 10/10

4:45 pm-10:59 pm

1 stop6h 14m

$173

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Wed 10/29

6:10 am-8:20 pm

1 stop14h 10m

Washington, D.C. Dulles Intl

Thu 10/30

5:34 pm-10:58 pm

1 stop5h 24m

$176

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Thu 10/2

10:36 am-11:44 am

Nonstop1h 08m

Washington, D.C. Dulles Intl

Sat 10/11

8:25 am-9:34 am

Nonstop1h 09m

$179

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Wed 9/24

9:37 am-1:25 pm

1 stop27h 48m

Washington, D.C. Dulles Intl

Sun 9/28

7:14 pm-9:07 am

1 stop13h 53m

$180

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Wed 9/24

1:30 pm-2:38 pm

Nonstop1h 08m

Washington, D.C. Dulles Intl

Tue 9/30

5:30 pm-6:39 pm

Nonstop1h 09m

$184

RaleighWashington, D.C.

RDU - IAD

RDUIAD

Raleigh-Durham

Sat 9/27

6:30 am-11:10 am

1 stop4h 40m

Washington, D.C. Dulles Intl

Mon 9/29

6:00 am-9:51 am

1 stop3h 51m

$229

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, May 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 $244. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of May, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $244.

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 $789. 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 $940.

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 $741 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 $1,131 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 $267 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.

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

As of September 2025, prices for Raleigh to Washington, D.C. Dulles Intl Airport flights are approximately 16% 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

$204

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 $204. The best round-trip flight deal from Raleigh to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $433.
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 $179Free CancellationRating
7.4
8,937 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 $179 round-trip. Over the 22 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
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Gaithersburg
Glen Burnie

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.

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