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

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

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Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Washington Dulles Intl. Airport (IAD) cost?
Secure a cheap one-way flight or cheap return flight from Ronald Reagan Washington National Airport (DCA) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Washington Dulles Intl. Airport (IAD)?
Traveling in is a great way to save, as it's the cheapest month for flights between DCA and IAD. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Washington Dulles Intl. Airport (IAD)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from DCA to IAD. Then, sort your results by "Price (lowest to highest)" to snap up the best deal available.
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.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Washington Dulles Intl.
Distance
22 mi

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Washington to Washington Flights

The cheapest times to fly from Washington to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Washington are during the month of . You can find some of the cheapest flights from Washington to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Washington

Sunday is one of the best days to book for cheap flights from Washington to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Washington in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Washington Flights

*Flight schedules are subject to change.

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