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

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $110 (Frontier) |
One-way from | $55 (Frontier) |
Popular in | November |
Cheapest in | August |
Average price | $273 |
Good round-trip deal | $214 or less |
Good one-way deal | $142 or less |
Fly from
Fly to
Route
Depart
Return
Price
RaleighBaltimore
RDU - BWI
RDUBWI
Raleigh-Durham
Wed 12/10
8:14 pm-7:42 am
1 stop11h 28m
Baltimore/Washington
Sat 12/13
8:37 am-4:44 pm
1 stop8h 07m
RaleighBaltimore
RDU - BWI
RDUBWI
Raleigh-Durham
Sat 12/6
8:14 pm-7:18 am
1 stop11h 04m
Baltimore/Washington
Mon 12/8
5:40 am-12:00 pm
1 stop6h 20m
RaleighBaltimore
RDU - BWI
RDUBWI
Raleigh-Durham
Wed 12/10
8:25 am-9:35 am
Nonstop1h 10m
Baltimore/Washington
Sat 12/13
8:15 am-9:30 am
Nonstop1h 15m
RaleighBaltimore
RDU - BWI
RDUBWI
Raleigh-Durham
Sat 12/6
5:00 pm-6:10 pm
Nonstop1h 10m
Baltimore/Washington
Sat 12/13
3:15 pm-4:30 pm
Nonstop1h 15m
RaleighBaltimore
RDU - BWI
RDUBWI
Raleigh-Durham
Mon 12/8
3:25 pm-4:35 pm
Nonstop1h 10m
Baltimore/Washington
Mon 12/15
2:45 pm-3:55 pm
Nonstop1h 10m
RaleighBaltimore
RDU - BWI
RDUBWI
Raleigh-Durham
Sat 12/6
6:10 am-7:20 am
Nonstop1h 10m
Baltimore/Washington
Mon 12/8
6:35 am-7:50 am
Nonstop1h 15m
RaleighBaltimore
RDU - BWI
RDUBWI
Raleigh-Durham
Mon 1/5
8:25 am-9:35 am
Nonstop1h 10m
Baltimore/Washington
Sat 1/10
8:15 am-9:35 am
Nonstop1h 20m
RaleighBaltimore
RDU - BWI
RDUBWI
Raleigh-Durham
Fri 12/5
5:50 pm-9:35 am
1 stop15h 45m
Baltimore/Washington
Sun 12/7
12:43 pm-12:12 am
1 stop11h 29m
RaleighBaltimore
RDU - BWI
RDUBWI
Raleigh-Durham
Sun 12/7
2:59 pm-2:06 pm
2 stops23h 07m
Baltimore/Washington
Sun 12/14
4:38 pm-4:55 pm
1 stop24h 17m
RaleighWashington, D.C.
RDU - DCA
RDUDCA
Raleigh-Durham
Fri 12/12
3:41 pm-5:00 pm
Nonstop1h 19m
Washington, D.C. Reagan-National
Sun 12/14
7:59 am-9:13 am
Nonstop1h 14m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
The best time to book flights from Raleigh to Washington, D.C. is 77 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.
Currently, June is the cheapest month in which you can book a flight from Raleigh to Washington, D.C. (average of $92). Flying from Raleigh to Washington, D.C. in January is currently the most expensive (average of $179). 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 22% on your trip compared to booking a flight at noon.
Travelers seeking maximum savings on their Raleigh to Washington, D.C. flight should consider departing on Friday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from RDU to WAS are scheduled on a Friday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (24 on average).
Overall
Entertainment
Food
Boarding
Crew
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Entertainment
Food
Boarding
Crew
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Entertainment
Food
Boarding
Crew
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Entertainment
Food
Boarding
Crew
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Entertainment
Food
Boarding
Crew
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$128 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$108 | Average$172 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$123 | Average$239 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$163 | Average$280 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$168 | Average$227 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$177 | Average$256 | FlexibilityNo cancel fee | On-time71% |