Title: Montgomery County Airpark (GAI) Airport Car Rental in Gaithersburg - Expedia.com [Gaithersburg Travel Guide](https://expedia.com/Gaithersburg.dx7427)[Montgomery County Airpark Hotels](https://expedia.com/Montgomery-County-Airpark-Airport-Hotels.0-a6027903-0.Travel-Guide-Filter-Hotels)[Flights to Gaithersburg](https://expedia.com/Cheap-Flights-To-Gaithersburg.d7427.Travel-Guide-Flights)[Things to do in Gaithersburg](https://expedia.com/Things-To-Do-In-Gaithersburg.d7427.Travel-Guide-Activities)[Gaithersburg Vacation Packages](https://expedia.com/Gaithersburg.d7427.Destination-Travel-Guides) ![](https://images.trvl-media.com/place/7427/9ef0fec9-4e58-4b4d-a5f8-843b595462c5.jpg?impolicy=fcrop&w=1200&h=300&q=medium) # Car Rental at Montgomery County Airpark Airport (GAI) ## Search and Compare from car companies at Montgomery County Airpark Airport ## Featured car rental suppliers Compare from agencies ![car suppliers logo](https://forever.travel-assets.com/flex/flexmanager/images/2022/02/16/car-suppliers-logo-desktop.jpg) - ![protection illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__protection.svg) ### Change your mind Penalty-free cancellation on many/select car rentals - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Treat yourself One Key members save 10% or more on over 1 million car rentals [Learn about One Key](https://www.expedia.com/welcome-one-key) - ![package illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__package.svg) ### Shop smart Compare car suppliers and package your flight, hotel, and car to save ## Top Car Deals in Montgomery County Airpark \* Price found within the past 6 days. Click for updated prices. ### Economy Chevrolet Spark or similar - 4 people Gaithersburg, Maryland, USA ![Chevrolet Spark](//images.trvl-media.com/media/content/shared/images/car/Common_90X50/US_EC.png) [](https://expedia.com/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&locn=Gaithersburg,%20MD,%20United%20States%20of%20America%20(GAI-Montgomery%20County%20Airpark)&dpln=6027903&date1=3/16/2026&date2=3/18/2026&crfrr=defaultFlex&SearchType=Place&selCC=[%22economy%22]) ### Compact Ford Focus or similar - 4 people Gaithersburg, Maryland, USA ![Ford Focus](//images.trvl-media.com/media/content/shared/images/car/Common_90X50/US_CC.png) [](https://expedia.com/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&locn=Gaithersburg,%20MD,%20United%20States%20of%20America%20(GAI-Montgomery%20County%20Airpark)&dpln=6027903&date1=3/16/2026&date2=3/18/2026&crfrr=defaultFlex&SearchType=Place&selCC=[%22compact%22]) ### Midsize Toyota Corolla or similar - 5 people Gaithersburg, Maryland, USA ![Toyota Corolla](//images.trvl-media.com/media/content/shared/images/car/Common_90X50/US_IC.png) [](https://expedia.com/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&locn=Gaithersburg,%20MD,%20United%20States%20of%20America%20(GAI-Montgomery%20County%20Airpark)&dpln=6027903&date1=3/16/2026&date2=3/18/2026&crfrr=defaultFlex&SearchType=Place&selCC=[%22midsize%22]) ### SUV Jeep Compass or similar - 5 people Gaithersburg, Maryland, USA ![Jeep Compass](//images.trvl-media.com/media/content/shared/images/car/Common_90X50/US_SF.png) [](https://expedia.com/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&locn=Gaithersburg,%20MD,%20United%20States%20of%20America%20(GAI-Montgomery%20County%20Airpark)&dpln=6027903&date1=3/16/2026&date2=3/18/2026&crfrr=defaultFlex&SearchType=Place&selCC=[%22suv%22]) ### Don't see what you're looking for? See all car rentals in Montgomery County Airpark [View all cars](https://expedia.com/carsearch?paandi=true&fdrp=1&styp=2&dagv=1&subm=1&locn=Gaithersburg,%20MD,%20United%20States%20of%20America%20(GAI-Montgomery%20County%20Airpark)&dpln=6027903&date1=3/16/2026&date2=3/18/2026&crfrr=defaultFlex&SearchType=Place) ![](https://forever.travel-assets.com/flex/flexmanager/images/2026/02/06/expedia-sale-2026-desktop-us-ca.jpg?impolicy=fcrop&w=1400&h=600&q=mediumHigh) ## The Annual Vacation Sale Members save up to 40% on hotels and homes. Plan this year’s big trip and save. [Book now](https://expedia.com/deals?rfrr=CTG_SPRING_PROMO_6027903) ## Frequently asked questions ### How much is a rental car per day from Gaithersburg, MD (GAI-Montgomery County Airpark)? ### Can I rent a car from Gaithersburg, MD (GAI-Montgomery County Airpark)? ### What happens if I need to cancel my Gaithersburg, MD (GAI-Montgomery County Airpark) car reservation? ### How do I find the best car rental deals at Gaithersburg, MD (GAI-Montgomery County Airpark) with Expedia? ### How old do you have to be to rent a car from Gaithersburg, MD (GAI-Montgomery County Airpark)? ### What do you need to rent a car from Gaithersburg, MD (GAI-Montgomery County Airpark)? ### What is the cheapest car rental at Gaithersburg, MD (GAI-Montgomery County Airpark)? ### Can I rent a car for a month or longer from Gaithersburg, MD (GAI-Montgomery County Airpark)? ### Where can I find a Gaithersburg, MD (GAI-Montgomery County Airpark) car rental if I am younger than 25? ### What insurance should I choose for my car rental from Gaithersburg, MD (GAI-Montgomery County Airpark)? ## Car Rental Information | Popular car types | [SUV](https://www.expedia.com/lp/b/car-rental/suv?rfrr=car.table.SUV), [Full Size](https://www.expedia.com/lp/b/car-rental/fullsize?rfrr=car.table.FullSize), [Economy](https://www.expedia.com/lp/b/car-rental/economy?rfrr=car.table.Economy) | | ------------------------------------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Car suppliers available | | | Our best deal of the day | | | Our second best deal of the day | | | Our third best deal of the day | | | From the airport to your hotel | [Airport Transportation](https://www.expedia.com/ground-transfers?rfrr=car.table.AirportTransportation) | | From popular domestic and international airports | [Airport Car Rentals](https://www.expedia.com/lp/b/car-rental/airport) | ## Explore a world of travel with Expedia - 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