Cheap Flights from Charleston (CHS) to Gaithersburg (GAI)

Popular airlines from Charleston Intl. Airport (CHS) 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 $199
DCA
Ronald Reagan Washington National
Cheapest
Average driving time to city center38 min
Flights from $199
Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Average driving time to city center is 46 minutes. Flights from $413
BWI
Baltimore Washington Intl. Thurgood Marshall
Average driving time to city center46 min
Flights from $413
Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 41 minutes. Flights from $199
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center41 min
Flights from $199

Frequently asked questions

How much does a flight from Charleston Intl. Airport (CHS) to Gaithersburg, MD (GAI-Montgomery County Airpark) cost?
Snag a cheap one-way flight or cheap return flight from Charleston Intl. Airport (CHS) 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 Charleston Intl. Airport (CHS) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
The cheapest month to fly from CHS to GAI is , when demand is low. Off-peak months are generally when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Charleston Intl. Airport (CHS) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest CHS to GAI flight.
How many flights per day from Charleston Intl. Airport (CHS) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
There are no daily nonstop flights available from Charleston Intl. Airport (CHS) to Gaithersburg, MD (GAI-Montgomery County Airpark). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from CHS to GAI?
Generally you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can change depending on the season, carrier 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 Charleston Intl. Airport (CHS) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
To avoid possible delays on the Charleston Intl. Airport (CHS) to Gaithersburg, MD (GAI-Montgomery County Airpark) route, aim to fly before 3 PM. Flights after this time are 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 Charleston Intl. Airport (CHS)?
You can arrive at one of these Gaithersburg airports following your direct flight from Charleston Intl. Airport (CHS):

  • 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 Charleston Intl. Airport (CHS) to Gaithersburg, MD (GAI-Montgomery County Airpark) last-minute?
Booking your flight from CHS to GAI just before your trip is typically more expensive. But if you're flexible with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a CHS to GAI flight and hotel package?
Opting for a CHS to GAI flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our wide range of stays and then add activities, car rentals and flights 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 Charleston Intl. Airport (CHS) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
In most instances, you can cancel or reschedule your CHS to GAI flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more details, go to our Customer Service portal.

Travel information

Origin airport
Charleston Intl.
Destination airport
Montgomery County Airpark
Distance
462 mi

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Charleston to Gaithersburg Flights

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

 

The best time to book a flight from Charleston to Gaithersburg

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

 

Charleston to Gaithersburg Flights

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*Available to One Key members.