Cheap Flights from Detroit (DTW) to Gaithersburg (GAI)

Popular airlines from Detroit Metropolitan Wayne County Airport (DTW) 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 $258
DCA
Ronald Reagan Washington National
Cheapest
Average driving time to city center38 min
Flights from $258
Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Average driving time to city center is 46 minutes. Flights from $301
BWI
Baltimore Washington Intl. Thurgood Marshall
Average driving time to city center46 min
Flights from $301
Select flight to Washington Dulles Intl. IAD. Average driving time to city center is 41 minutes. Flights from $376
IAD
Washington Dulles Intl.
Average driving time to city center41 min
Flights from $376
Flights from Detroit (DTW) to Gaithersburg (GAI)
Origin airport
Detroit Metropolitan Wayne County
Destination airport
Montgomery County Airpark
Distance
386 mi

Detroit to Gaithersburg Flights

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

 

The best time to book a flight from Detroit to Gaithersburg

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

 

Frequently asked questions

How much does a flight from Detroit Metropolitan Wayne County Airport (DTW) to Gaithersburg, MD (GAI-Montgomery County Airpark) cost?
Grab a cheap one-way flight or cheap return flight from Detroit Metropolitan Wayne County Airport (DTW) 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 Detroit Metropolitan Wayne County Airport (DTW) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
Planning your getaway for can help you save, as it's the cheapest month for flights between DTW and GAI. You'll typically find the lowest prices during off-peak months.
What is the cheapest airline that flies from Detroit Metropolitan Wayne County Airport (DTW) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest DTW to GAI flight.
How many flights per day from Detroit Metropolitan Wayne County Airport (DTW) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
You'll need to hop on a flight with a layover when traveling from Detroit Metropolitan Wayne County Airport (DTW) to Gaithersburg, MD (GAI-Montgomery County Airpark). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from DTW to GAI?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Detroit Metropolitan Wayne County Airport (DTW) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
To avoid potential delays on the Detroit Metropolitan Wayne County Airport (DTW) to Gaithersburg, MD (GAI-Montgomery County Airpark) route, travel before 3 PM. Flights after this time have a 22% higher chance of being 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 Detroit Metropolitan Wayne County Airport (DTW)?
Detroit Metropolitan Wayne County Airport (DTW) offers direct flights to Gaithersburg. Here are a few of the airports you can fly to without detours:

  • 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 Detroit Metropolitan Wayne County Airport (DTW) to Gaithersburg, MD (GAI-Montgomery County Airpark) last-minute?
Booking your flight from DTW to GAI shortly before your journey is usually more expensive. However, if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a DTW to GAI flight and hotel package?
Booking a DTW to GAI flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our impressive range of stays and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Detroit Metropolitan Wayne County Airport (DTW) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
In most cases, you can reschedule or cancel your DTW to GAI flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you want further details, head to our Customer Service portal.

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*Available to One Key members.