Cheap Flights from Dallas (DFW) to Gaithersburg (GAI)

Popular airlines from Dallas-Fort Worth Intl. Airport (DFW) 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. Average driving time to city center is 38 minutes. Flights from $196
DCA
Ronald Reagan Washington National
Average driving time to city center38 min
Flights from $196
Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Cheapest option available. Average driving time to city center is 46 minutes. Flights from $179
BWI
Baltimore Washington Intl. Thurgood Marshall
Cheapest
Average driving time to city center46 min
Flights from $179
Select flight to Washington Dulles Intl. IAD. Average driving time to city center is 41 minutes. Flights from $189
IAD
Washington Dulles Intl.
Average driving time to city center41 min
Flights from $189

Frequently asked questions

How much does a flight from Dallas-Fort Worth Intl. Airport (DFW) to Gaithersburg, MD (GAI-Montgomery County Airpark) cost?
Snag a cheap one-way flight or cheap return flight from Dallas-Fort Worth Intl. Airport (DFW) 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 deals on this route.
What is the cheapest month to fly from Dallas-Fort Worth Intl. Airport (DFW) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
Planning your getaway for may help you find better deals, as it's the cheapest month for flights between DFW and GAI. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Dallas-Fort Worth Intl. Airport (DFW) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
To find the cheapest airline that'll fly you from DFW to GAI, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Dallas-Fort Worth Intl. Airport (DFW) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
Nonstop flights from Dallas-Fort Worth Intl. Airport (DFW) 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 our filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DFW to GAI?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on various factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dallas-Fort Worth Intl. Airport (DFW) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
Book a flight from Dallas-Fort Worth Intl. Airport (DFW) to Gaithersburg, MD (GAI-Montgomery County Airpark) that leaves before 3 PM to reduce the risk of cancellations. Departures after this hour are on average 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.
What airports do you fly into for Gaithersburg from Dallas-Fort Worth Intl. Airport (DFW)?
Hop on a direct flight from Dallas-Fort Worth Intl. Airport (DFW) to Gaithersburg and come in for landing at one of these airports:

  • Ronald Reagan Washington National Airport (DCA)
  • Washington Dulles Intl. Airport (IAD)
  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)

Is it cheaper to buy a plane ticket from Dallas-Fort Worth Intl. Airport (DFW) to Gaithersburg, MD (GAI-Montgomery County Airpark) last-minute?
Booking your ticket from DFW to GAI shortly before your journey is usually more expensive. However, if there's some wiggle room with your departure times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a DFW to GAI flight and hotel package?
Compared with arranging hotels and flights separately, booking a DFW to GAI flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place takes the hassle out of planning your trip. Just pick your flights and choose from our wide range of stays, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Dallas-Fort Worth Intl. Airport (DFW) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
In most instances, you can modify or cancel your DFW to GAI flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like further information, visit our Customer Service portal.

Travel information

Origin airport
Dallas-Fort Worth Intl.
Destination airport
Montgomery County Airpark
Distance
1189 mi

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Dallas to Gaithersburg Flights

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

 

The best time to book a flight from Dallas to Gaithersburg

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

 

Dallas to Gaithersburg Flights

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*Available to One Key members.