Cheap Flights from White Plains (HPN) to Gaithersburg (GAI)

Popular airlines from Westchester County Airport (HPN) to Gaithersburg, MD (GAI-Montgomery County Airpark)

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Alternative airports near Gaithersburg

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Cheapest option available. Average driving time to city center is 38 minutes. Flights from $292
DCA
Ronald Reagan Washington National
Cheapest
Average driving time to city center38 min
Flights from $292
Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Average driving time to city center is 46 minutes. Flights from $643
BWI
Baltimore Washington Intl. Thurgood Marshall
Average driving time to city center46 min
Flights from $643
Select flight to Washington Dulles Intl. IAD. Average driving time to city center is 41 minutes. Flights from $483
IAD
Washington Dulles Intl.
Average driving time to city center41 min
Flights from $483

Frequently asked questions

How much does a flight from Westchester County Airport (HPN) to Gaithersburg, MD (GAI-Montgomery County Airpark) cost?
Lock in a cheap one-way flight or cheap return flight from Westchester County Airport (HPN) 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 Westchester County Airport (HPN) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
is the most affordable month to fly from HPN to GAI. Planning your trip for the off-season is often the key to finding better fares.
What is the cheapest airline that flies from Westchester County Airport (HPN) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
To find the cheapest airline that'll fly you from HPN to GAI, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Westchester County Airport (HPN) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
Direct flights from Westchester County Airport (HPN) 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 dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from HPN to GAI?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on various factors, including 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 Westchester County Airport (HPN) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
To land at Gaithersburg, MD (GAI-Montgomery County Airpark) on schedule, choose a flight that leaves from Westchester County Airport (HPN) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Westchester County Airport (HPN)?
Ronald Reagan Washington National Airport (DCA) is the only airport in Gaithersburg with direct flights from Westchester County Airport (HPN). Explore the available options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Westchester County Airport (HPN) to Gaithersburg, MD (GAI-Montgomery County Airpark) last-minute?
Last-minute bookings from HPN to GAI are generally more expensive. To secure the cheapest rates, start searching for flights early. That being said, if you're flexible with your travel dates, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book a HPN to GAI flight and hotel package?
Securing a HPN to GAI flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our wide range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Westchester County Airport (HPN) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
In most instances, you can cancel or modify your HPN to GAI flight. However, there may be additional fees, 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 more information, head to our Customer Service portal.

Travel information

Origin airport
Westchester County
Destination airport
Montgomery County Airpark
Distance
224 mi

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White Plains to Gaithersburg Flights

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

 

The best time to book a flight from White Plains to Gaithersburg

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

 

White Plains to Gaithersburg Flights

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*Available to One Key members.