Cheap Flights from Washington (DCA) to Gaithersburg (GAI)

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Gaithersburg, MD (GAI-Montgomery County Airpark)

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Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Gaithersburg, MD (GAI-Montgomery County Airpark) cost?
Snag a cheap one-way flight or cheap return flight from Ronald Reagan Washington National Airport (DCA) to Gaithersburg, MD (GAI-Montgomery County Airpark) 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 Gaithersburg, MD (GAI-Montgomery County Airpark)?
is the cheapest month to fly from DCA to GAI. Traveling during quieter months is often the key to finding better fares.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest DCA to GAI flight.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
Direct flights from Ronald Reagan Washington National Airport (DCA) to Gaithersburg, MD (GAI-Montgomery County Airpark) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DCA to GAI?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a range of factors, including the time of year and airline.*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 Gaithersburg, MD (GAI-Montgomery County Airpark)?
To avoid possible delays on the Ronald Reagan Washington National Airport (DCA) to Gaithersburg, MD (GAI-Montgomery County Airpark) route, aim to fly before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Gaithersburg, MD (GAI-Montgomery County Airpark) last-minute?
Holding off until right before your break to book a ticket from DCA to GAI generally means paying more. While it's possible to find some last-minute discounts, there's no guarantee. Keep your travel plans flexible to boost your chances of snagging a bargain.
Is it cheaper to book a DCA to GAI flight and hotel package?
Compared with arranging flights and hotels separately, booking a DCA to GAI flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place takes the hassle out of travel planning. Simply pick your flights and select from our extensive range of stays, then personalize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
Typically, you can cancel or reschedule your DCA to GAI flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need further information, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Montgomery County Airpark
Distance
22 mi

Book with confidence

Book with confidence

Washington to Gaithersburg Flights

The cheapest times to fly from Washington to Gaithersburg

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 Gaithersburg are during the month of . You can find some of the cheapest flights from Washington to Gaithersburg with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Gaithersburg

Sunday is one of the best days to book for cheap flights from Washington to Gaithersburg: 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 Gaithersburg

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 Gaithersburg in 2025. 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 Gaithersburg 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 Gaithersburg 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 Gaithersburg Flights

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*Available to One Key members.