Cheap Flights from Des Moines (DSM) to Gaithersburg (GAI)

Popular airlines from Des Moines International Airport (DSM) 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 $443
DCA
Ronald Reagan Washington National
Average driving time to city center38 min
Flights from $443
Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Cheapest option available. Average driving time to city center is 46 minutes. Flights from $390
BWI
Baltimore Washington Intl. Thurgood Marshall
Cheapest
Average driving time to city center46 min
Flights from $390
Select flight to Washington Dulles Intl. IAD. Average driving time to city center is 41 minutes. Flights from $543
IAD
Washington Dulles Intl.
Average driving time to city center41 min
Flights from $543

Frequently asked questions

How much does a flight from Des Moines Intl. Airport (DSM) to Gaithersburg, MD (GAI-Montgomery County Airpark) cost?
Secure a cheap one-way flight or cheap return flight from Des Moines Intl. Airport (DSM) 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 Des Moines Intl. Airport (DSM) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
The cheapest month to fly from DSM to GAI is , when demand is low. Off-peak season is often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Des Moines Intl. Airport (DSM) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest DSM to GAI flight.
How many flights per day from Des Moines Intl. Airport (DSM) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
You'll need to hop on a flight with a layover when traveling from Des Moines Intl. Airport (DSM) 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 two stops to find the best option for your trip.
What day of the week has the most flights from DSM to GAI?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Des Moines Intl. Airport (DSM) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
Select a flight from Des Moines Intl. Airport (DSM) to Gaithersburg, MD (GAI-Montgomery County Airpark) that takes off before 3 PM to reduce the likelihood of delays. Departures after this time 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 Des Moines Intl. Airport (DSM)?
Compare your flight options from Des Moines Intl. Airport (DSM) to Ronald Reagan Washington National Airport (DCA). This is the only airport in Gaithersburg you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Des Moines Intl. Airport (DSM) to Gaithersburg, MD (GAI-Montgomery County Airpark) last-minute?
Last-minute fares from DSM to GAI are usually more expensive. For the best rates, start looking for flights ahead of time. That said, if your travel plans are flexible, it's possible to land a cheap ticket right before your trip.
Is it cheaper to book a DSM to GAI flight and hotel package?
Booking a DSM to GAI flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our impressive range of accommodations and then add car rentals, activities 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 Des Moines Intl. Airport (DSM) to Gaithersburg, MD (GAI-Montgomery County Airpark)?
Typically, it's possible to reschedule or cancel your DSM to GAI flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Des Moines Intl.
Destination airport
Montgomery County Airpark
Distance
881 mi

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Des Moines to Gaithersburg Flights

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

 

The best time to book a flight from Des Moines to Gaithersburg

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

 

Des Moines to Gaithersburg Flights

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*Available to One Key members.