Cheap Flights from Gaithersburg (GAI) to Las Vegas (LAS)

Popular airlines from Gaithersburg, MD (GAI-Montgomery County Airpark) to Harry Reid Intl. Airport (LAS)

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Frequently asked questions

How much does a flight from Gaithersburg, MD (GAI-Montgomery County Airpark) to Harry Reid Intl. Airport (LAS) cost?
Get a cheap one-way flight or cheap return flight from Gaithersburg, MD (GAI-Montgomery County Airpark) to Harry Reid Intl. Airport (LAS) 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 Gaithersburg, MD (GAI-Montgomery County Airpark) to Harry Reid Intl. Airport (LAS)?
is the most affordable month to fly from GAI to LAS. Traveling during quieter months is often the key to landing a great deal.
Which airlines fly direct from Gaithersburg, MD (GAI-Montgomery County Airpark) to Harry Reid Intl. Airport (LAS)?
While Gaithersburg, MD (GAI-Montgomery County Airpark) has no direct flights to Harry Reid Intl. Airport (LAS), other airports have nonstop routes. Leaving from Ronald Reagan Washington National Airport (DCA) will get you to Las Vegas without any detours.
What is the cheapest airline that flies from Gaithersburg, MD (GAI-Montgomery County Airpark) to Harry Reid Intl. Airport (LAS)?
Expedia's filter tool lets you easily compare different airlines, travel time 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 GAI to LAS flight.
How many flights per day from Gaithersburg, MD (GAI-Montgomery County Airpark) to Harry Reid Intl. Airport (LAS)?
Nonstop flights from Gaithersburg, MD (GAI-Montgomery County Airpark) to Harry Reid Intl. Airport (LAS) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GAI to LAS?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gaithersburg, MD (GAI-Montgomery County Airpark) to Harry Reid Intl. Airport (LAS)?
Choose a flight from Gaithersburg, MD (GAI-Montgomery County Airpark) to Harry Reid Intl. Airport (LAS) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time have a 22% higher chance of being canceled, on average.**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.
Is it cheaper to buy a plane ticket from Gaithersburg, MD (GAI-Montgomery County Airpark) to Harry Reid Intl. Airport (LAS) last-minute?
Holding off until just before your trip to book a ticket from GAI to LAS generally means paying more. While you may come across some last-minute offers, there's no guarantee. Allow some flexibility in your schedule to boost your chances of landing a bargain.
Is it cheaper to book a GAI to LAS flight and hotel package?
Securing a GAI to LAS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our wide range of hotels and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Gaithersburg, MD (GAI-Montgomery County Airpark) to Harry Reid Intl. Airport (LAS)?
In most instances, you're able to reschedule or cancel your GAI to LAS flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want more details, head to our Customer Service portal.

Travel information

Origin airport
Montgomery County Airpark
Destination airport
Harry Reid Intl.
Distance
2074 mi

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Gaithersburg to Las Vegas Flights

The cheapest times to fly from Gaithersburg to Las Vegas

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

 

The best time to book a flight from Gaithersburg to Las Vegas

Sunday is one of the best days to book for cheap flights from Gaithersburg to Las Vegas: 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 Gaithersburg to Las Vegas

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 Gaithersburg to Las Vegas in 2026. 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 Gaithersburg to Las Vegas 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 Gaithersburg to Las Vegas 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.

 

Gaithersburg to Las Vegas Flights

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