Cheap flights from Raleigh to Washington, D.C. from $73

In general, December 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 December, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $239.

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 $692. 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 $899.

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 $652 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 $981 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.

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

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 $294 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 $139 on momondo.

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

Historically, on average around 8% of flights between Raleigh and Washington, D.C. have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the least number of delays on this route over the last 12 months; with about 7% of their flights experiencing any sort of delay.

15 flights are operational daily from Raleigh to Washington, D.C. Dulles Intl Airport as of June 2026. The most popular departure time for this route is 3:00PM, with 36% of flights per day taking off at noon.

As of June 2026, there are 105 flights per week flying from Raleigh to Washington, D.C. Dulles Intl Airport. The most common day of the week flights depart is Tue, with 19% of flights taking off on this day.