Cheap Flights from Harrisburg (MDT) to Gaithersburg (GAI)

Popular airlines from Harrisburg Intl. Airport (MDT) to Gaithersburg, MD (GAI-Montgomery County Airpark)

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Frequently asked questions

How much does a flight from Harrisburg Intl. Airport (MDT) to Gaithersburg, MD (GAI-Montgomery County Airpark) cost?
Snag a cheap one-way flight or cheap return flight from Harrisburg Intl. Airport (MDT) to Gaithersburg, MD (GAI-Montgomery County Airpark) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Harrisburg Intl. Airport (MDT) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
Planning your trip for is a great way to save, as it's the cheapest month for flights between MDT and GAI. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Harrisburg Intl. Airport (MDT) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
To find the cheapest airline flying from MDT to GAI, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Harrisburg Intl. Airport (MDT) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
You'll need to catch a flight with a layover when traveling from Harrisburg Intl. Airport (MDT) to Gaithersburg, MD (GAI-Montgomery County Airpark). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from MDT to GAI?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Harrisburg Intl. Airport (MDT) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
To land at Gaithersburg, MD (GAI-Montgomery County Airpark) without delays, pick a flight that leaves Harrisburg Intl. Airport (MDT) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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.
What airports do you fly into for Gaithersburg from Harrisburg Intl. Airport (MDT)?
If you're traveling on a direct flight from Harrisburg Intl. Airport (MDT) to Gaithersburg, Washington Dulles Intl. Airport (IAD) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Harrisburg Intl. Airport (MDT) to Gaithersburg, MD (GAI-Montgomery County Airpark) last-minute?
Holding off until just before your departure to book a ticket from MDT to GAI generally means paying more. While you may come across some last-minute discounts, they aren't always guaranteed. Keep your travel schedule open to maximize your chances of snagging a bargain.
Is it cheaper to book a MDT to GAI flight and hotel package?
You can save money by booking a MDT to GAI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your ideal accommodations and flights, you can add extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Harrisburg Intl. Airport (MDT) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
If you reserved your MDT to GAI flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Harrisburg Intl.
Destination airport
Montgomery County Airpark
Distance
74 mi

Book with confidence

Book with confidence

Harrisburg to Gaithersburg Flights

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

 

The best time to book a flight from Harrisburg to Gaithersburg

Sunday is one of the best days to book for cheap flights from Harrisburg 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 Harrisburg 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 Harrisburg 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 Harrisburg 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 Harrisburg 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.

 

Harrisburg to Gaithersburg Flights

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