Cheap Flights from Washington (DCA) to Washington (IAD)

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Washington Dulles Intl. Airport (IAD)

Find available prices by choosing your travel dates.

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Washington Dulles Intl. Airport (IAD) cost?
Discover the latest flight deals from DCA to IAD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from DCA to IAD?
The cheapest flights from DCA to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from DCA to IAD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from DCA to IAD. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Washington Dulles Intl. Airport (IAD)?
There are no daily nonstop flights available from Ronald Reagan Washington National Airport (DCA) to Washington Dulles Intl. Airport (IAD). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you’ll be on your way in no time at all.
What day of the week has the most flights from DCA to IAD?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Washington Dulles Intl. Airport (IAD)?
To avoid potential delays on the Ronald Reagan Washington National Airport (DCA) to Washington Dulles Intl. Airport (IAD) route, travel before 3 PM. Later departures are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Washington Dulles Intl. Airport (IAD) last-minute?
Holding off until just before your trip to book a flight from DCA to IAD generally means paying more. While you might find some last-minute discounts, they aren’t always guaranteed. Allow some flexibility in your schedule to maximize your chances of getting a bargain.
Is it cheaper to book a DCA to IAD flight and hotel package?
You’ll typically save money by securing a DCA to IAD flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it’s simple to manage it all in one place. Once you’ve selected your ideal flights and accommodations, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Washington Dulles Intl. Airport (IAD)?
If you booked your DCA to IAD flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.
*Available to One Key members.