
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $133 (Southwest) |
One-way from | $67 (Southwest) |
Popular in | June |
Cheapest in | August |
Average price | $244 |
Good round-trip deal | $299 or less |
Good one-way deal | $197 or less |
Fly from
Fly to
Route
Depart
Return
RaleighWashington, D.C.
RDU - DCA
RDUDCA
Raleigh-Durham
Thu 8/6
3:35 pm-7:34 pm
1 stop3h 59m
Washington, D.C. Reagan-National
Sat 8/8
5:49 pm-7:15 pm
Nonstop1h 26m
RaleighWashington, D.C.
RDU - DCA
RDUDCA
Raleigh-Durham
Tue 8/18
5:44 pm-10:59 pm
1 stop5h 15m
Washington, D.C. Reagan-National
Thu 8/20
6:00 am-1:05 pm
1 stop7h 05m
RaleighWashington, D.C.
RDU - DCA
RDUDCA
Raleigh-Durham
Thu 10/1
7:45 pm-9:14 pm
Nonstop1h 29m
Washington, D.C. Reagan-National
Sun 10/4
6:00 am-10:04 am
1 stop4h 04m
RaleighWashington, D.C.
RDU - DCA
RDUDCA
Raleigh-Durham
Wed 7/15
5:50 pm-10:59 pm
1 stop5h 09m
Washington, D.C. Reagan-National
Thu 7/16
6:21 am-10:08 am
1 stop3h 47m
RaleighWashington, D.C.
RDU - DCA
RDUDCA
Raleigh-Durham
Tue 7/21
5:50 pm-10:59 pm
1 stop5h 09m
Washington, D.C. Reagan-National
Thu 7/23
6:21 am-10:08 am
1 stop3h 47m
RaleighWashington, D.C.
RDU - DCA
RDUDCA
Raleigh-Durham
Thu 8/6
5:44 pm-10:59 pm
1 stop5h 15m
Washington, D.C. Reagan-National
Sun 8/9
6:10 am-10:08 am
1 stop3h 58m
RaleighWashington, D.C.
RDU - DCA
RDUDCA
Raleigh-Durham
Thu 9/24
7:00 am-2:58 pm
1 stop7h 58m
Washington, D.C. Reagan-National
Mon 9/28
4:35 pm-10:19 pm
1 stop5h 44m
RaleighWashington, D.C.
RDU - DCA
RDUDCA
Raleigh-Durham
Sat 9/12
1:39 pm-9:07 pm
1 stop7h 28m
Washington, D.C. Reagan-National
Mon 9/14
1:20 pm-8:28 pm
1 stop7h 08m
RaleighWashington, D.C.
RDU - DCA
RDUDCA
Raleigh-Durham
Thu 9/10
1:39 pm-9:07 pm
1 stop7h 28m
Washington, D.C. Reagan-National
Fri 9/11
8:55 am-4:27 pm
1 stop7h 32m
RaleighWashington, D.C.
RDU - DCA
RDUDCA
Raleigh-Durham
Mon 9/14
11:25 am-4:17 pm
1 stop4h 52m
Washington, D.C. Reagan-National
Fri 9/18
4:35 pm-10:19 pm
1 stop5h 44m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
Currently, August is the cheapest month in which you can book a flight from Raleigh to Washington, D.C. (average of $68). Flying from Raleigh to Washington, D.C. in October is currently the most expensive (average of $144). 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.
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 16% on your trip compared to booking a flight in the afternoon.
The most flights from RDU to WAS are scheduled on a Tuesday (33 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).
Chicago (MDW) – chosen by Cheapflights users on 50% of 1-stop itineraries from Raleigh to Washington, D.C. on Cheapflights.
Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of $144.
Flights via Chicago (MDW) have the shortest average one-way travel time for 1-stop routes: 5h 20m.
Flights via Chicago (MDW) offer the fastest connection on this route, with an average layover time of 1h 10m.
About 20% of weekly flights between Raleigh and Washington, D.C. have experienced delays in the past year, with the average delay time being 111 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 7% of flights being delayed.
The best time to book flights from Raleigh to Washington, D.C. is 73 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.
Travelers seeking maximum savings on their Raleigh to Washington, D.C. flight should consider departing on Thursday afternoons 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.
Crew
Food
Entertainment
Boarding
Overall
Comfort
Reviews
Libby,Jun 2026
TUS - LAS
Crew
Food
Entertainment
Boarding
Overall
Comfort
Reviews
Libby,Jun 2026
TUS - LAS
Crew
Food
Entertainment
Boarding
Overall
Comfort
Reviews
Libby,Jun 2026
TUS - LAS
Crew
Food
Entertainment
Boarding
Overall
Comfort
Reviews
Libby,Jun 2026
TUS - LAS
Crew
Food
Entertainment
Boarding
Overall
Comfort
Reviews
Libby,Jun 2026
TUS - LAS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$126 | Average$178 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$171 | Average$222 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$175 | Average$290 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$289 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$179 | Average$273 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$182 | Average$294 | FlexibilityNo cancel fee | On-time63% |