Cheap Flights To Gaithersburg (GAI)

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Cheap Flights to Gaithersburg from $28 One Way, $52 Round Trip

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Thu, Oct 1 - Sun, Oct 4
ATL
Hartsfield-Jackson Atlanta Intl.
BWI
Baltimore Washington Intl. Thurgood Marshall
$52 Roundtrip, found 5 hours ago
$52
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Thu, Oct 1 from Hartsfield-Jackson Atlanta Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Oct 4, priced at $52 found 5 hours ago
Fri, Sep 25 - Mon, Sep 28
ATL
Hartsfield-Jackson Atlanta Intl.
BWI
Baltimore Washington Intl. Thurgood Marshall
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Sep 25 from Hartsfield-Jackson Atlanta Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Mon, Sep 28, priced at $56 just found
Wed, Sep 9 - Thu, Sep 10
MCO
Orlando Intl.
BWI
Baltimore Washington Intl. Thurgood Marshall
$67 Roundtrip, found 2 days ago
$67
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, Sep 9 from Orlando Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Thu, Sep 10, priced at $67 found 2 days ago
Mon, Sep 14 - Mon, Sep 28
ATL
Hartsfield-Jackson Atlanta Intl.
IAD
Washington Dulles Intl.
$68 Roundtrip, found 2 days ago
$68
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Mon, Sep 14 from Hartsfield-Jackson Atlanta Intl. to Washington Dulles Intl., returning Mon, Sep 28, priced at $68 found 2 days ago
Mon, Aug 31 - Wed, Sep 2
MCO
Orlando Intl.
IAD
Washington Dulles Intl.
$74 Roundtrip, found 6 days ago
$74
Roundtrip
found 6 days ago
Select Breeze Airways flight, departing Mon, Aug 31 from Orlando Intl. to Washington Dulles Intl., returning Wed, Sep 2, priced at $74 found 6 days ago
Mon, Aug 24 - Mon, Aug 31
MCO
Orlando Intl.
IAD
Washington Dulles Intl.
$113 Roundtrip, found 2 days ago
$113
Roundtrip
found 2 days ago
Select Breeze Airways flight, departing Mon, Aug 24 from Orlando Intl. to Washington Dulles Intl., returning Mon, Aug 31, priced at $113 found 2 days ago
Wed, Sep 2 - Wed, Sep 9
DFW
Dallas-Fort Worth Intl.
BWI
Baltimore Washington Intl. Thurgood Marshall
$132 Roundtrip, found 4 days ago
$132
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Wed, Sep 2 from Dallas-Fort Worth Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Sep 9, priced at $132 found 4 days ago
Thu, Sep 3 - Sat, Sep 5
DFW
Dallas-Fort Worth Intl.
IAD
Washington Dulles Intl.
$133 Roundtrip, found 5 days ago
$133
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Thu, Sep 3 from Dallas-Fort Worth Intl. to Washington Dulles Intl., returning Sat, Sep 5, priced at $133 found 5 days ago
Sun, Aug 23 - Sun, Aug 23
ATL
Hartsfield-Jackson Atlanta Intl.
BWI
Baltimore Washington Intl. Thurgood Marshall
$155 Roundtrip, found 2 days ago
$155
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Aug 23 from Hartsfield-Jackson Atlanta Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Aug 23, priced at $155 found 2 days ago
Tue, Aug 18 - Sat, Aug 22
ATL
Hartsfield-Jackson Atlanta Intl.
BWI
Baltimore Washington Intl. Thurgood Marshall
$157 Roundtrip, found 13 hours ago
$157
Roundtrip
found 13 hours ago
Select Southwest Airlines flight, departing Tue, Aug 18 from Hartsfield-Jackson Atlanta Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Aug 22, priced at $157 found 13 hours ago

Gaithersburg Flight Information

Traveling To
Gaithersburg
Destination Airport IATA Code
WAS
Number of Airlines Serving
Airlines
Frontier Airlines, Breeze Airways, Delta, Southwest Airlines
Flight Price
$52
Earliest Departing Flight
Latest Departing Flight

Book Your Flight & Hotel Together & Save

Gaithersburg economy flight packages

Price found within the past 48 hours. Click for updated prices.
Salamander Washington DC
5.0-star property

Salamander Washington DC

Sep 5 - Sep 8

3 night stay

Dallas (DFW) to Baltimore (BWI)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $875, price is now $578 per person
$578
per person
found 18 hours ago
Hotel Burg
4.0-star property

Hotel Burg

Sep 1 - Sep 5

4 night stay

New York (JFK) to Baltimore (BWI)

Delta • Roundtrip • Coach
Save 100% on your flight
Price was $1,359, price is now $918 per person
$918
per person
found 2 days ago
Eurostars Saint Gregory Dupont Circle Georgetown
4.0-star property

Eurostars Saint Gregory Dupont Circle Georgetown

Sep 9 - Sep 13

4 night stay

Orlando (MCO) to Baltimore (BWI)

American Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $812, price is now $582 per person
$582
per person
found 1 day ago
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See all available trips from Dallas to Gaithersburg
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Gaithersburg first class flight packages

Price found within the past 48 hours. Click for updated prices.
Live! Casino & Hotel Maryland
4.5-star property

Live! Casino & Hotel Maryland

9/10 Wonderful! (1,019 reviews)

Aug 24 - Aug 29

5 night stay

Dallas (DFW) to Baltimore (BWI)

Delta • Non-stop roundtrip • FirstClass
Price was $1,226, price is now $1,061 per person
$1,061
per person
found 10 hours ago

Lord Baltimore Hotel
3.5-star property

Lord Baltimore Hotel

8.4/10 Very Good! (2,841 reviews)

Aug 24 - Aug 29

5 night stay

Dallas (DFW) to Baltimore (BWI)

Delta • Non-stop roundtrip • FirstClass
Price was $1,320, price is now $1,114 per person
$1,114
per person
found 10 hours ago
loved it

Reviewed on Jul 20, 2026

The Westin Baltimore Washington Airport - BWI
4.0-star property

The Westin Baltimore Washington Airport - BWI

8.8/10 Excellent! (1,137 reviews)

Aug 24 - Aug 29

5 night stay

Dallas (DFW) to Baltimore (BWI)

Delta • Non-stop roundtrip • FirstClass
Price was $1,189, price is now $1,084 per person
$1,084
per person
found 10 hours ago
Always fantastic

Reviewed on Jul 19, 2026

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Gaithersburg

Save money on your flights to Gaithersburg as well as on hotel and car packages.

 

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Frequently asked questions

Which airlines fly to Gaithersburg?
With 20 airlines servicing Washington Dulles Intl. Airport (IAD), a major gateway to Gaithersburg, you can take your pick. Score an excellent deal among these renowned international airlines waiting to fly you away to this city:

  • United Airlines - 442 flights to Gaithersburg per month
  • Air Canada - 86 flights to Gaithersburg per month
  • Avianca - 73 flights to Gaithersburg per month

What is the best airport to fly to in Gaithersburg?
Jump on a flight to Washington Dulles Intl. Airport (IAD) and get set to explore the best of this city. The airport is around 19 miles southwest of the downtown area. Also take a look at the fares to Ronald Reagan Washington National Airport (DCA), which is another entry point for Gaithersburg.
How much is a flight to Gaithersburg?
Loads of fantastic deals were up for grabs this week, with round-trip flights to Gaithersburg fluctuating between $52 and $157. But it was passengers flying in from Atlanta (ATL) who snapped up the biggest bargains. One-way flights to Gaithersburg fell to a low $28.
How to book the cheapest flight to Gaithersburg?
With some of the biggest and best flight deals around, you're guaranteed value for money with Orbitz. The following tips and hints will help you snap up cheap flights to Gaithersburg — and leave you with more cash to splash:

  • Consider departing from or arriving at alternative airports to save cash. Enter your preferred departure and arrival airports in the form fields, then click on the 'Nearby airports' function below. It will list your options, if any.
  • If your plans aren't carved in stone, click on the 'Show flexible dates' option to see the flight deals for different departure dates. Go with any suitable cheaper fare you find.
  • To refine your results, hit 'Show options.' You can search based on seating class, airlines, and nonstop and refundable flights. You can also select your preferred departure and arrival times under 'Sort & Filter' to the left.
  • Book your fare as soon as you know your travel dates. While it does happen now and then, tickets rarely drop in price as your date of departure nears.
  • Think about bundling your flights, hotels and car rental into a package deal — the more you book, the more you save.
  • Flying during peak season can mean costly airfares. Try to avoid traveling over popular periods, such as Easter, Thanksgiving and school breaks.

How long is a flight to Gaithersburg?
Your city of origin, which airport you take off from and whether you travel direct — flight times depend on many things. But we've made life simple and put together the average times for some busy routes to Gaithersburg:

  • Boston, MA (BOS-Logan Intl.) to Ronald Reagan Washington National Airport (DCA) - 1 hour and 41 minutes
  • Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Ronald Reagan Washington National Airport (DCA) - 1 hour and 53 minutes
  • Chicago, IL (ORD-O'Hare Intl.) to Ronald Reagan Washington National Airport (DCA) - 1 hour and 58 minutes

What is the best time to book a flight to Gaithersburg?
Book in January, February or August for unbeatable fares to Gaithersburg. Once you've spotted a bargain, snap it up — cheap flights tend to appear and vanish at the tap of a button.
What day of the week is the cheapest to book a flight to Gaithersburg?
To score an incredible flight deal, book on a Tuesday, Wednesday or Saturday. These are typically the cheapest days of the week to book flights to Gaithersburg.
What is the cheapest day of the week to fly to Gaithersburg?
You can nab cheap flights to Gaithersburg by taking to the skies on a Monday, according to Orbitz data from 2020. Tuesday is also more affordable, while Saturday has the most expensive ticket prices. Whether you prefer to save cash or start your trip on whichever day is convenient, you'll always get a good deal with Orbitz.
What is the cheapest month to fly to Gaithersburg?
To land cheap flights to Gaithersburg, you should fly out in August. If getting a great deal on your plane ticket is your main concern, Orbitz data shows that this is generally an excellent month to go on a trip. June is when airfares are at their highest.
Which airlines allow free cancellation?
We know that plans change and flexibility is important. That's why you can search for flights that have free cancellation and no change fees on Orbitz. Simply click on "Filter by flexible change policies" and we'll find you fares more flexible than a lollipop left in the sun!
What do I need for the flight to Gaithersburg?
Nothing beats jetting somewhere new, but it's wise to be prepared. The following useful tips will help get your journey started on the right foot:

  • Before you step foot on the plane, you'll need to show some type of government-issued ID, such as a passport. You'll also need your ticket. If you're traveling with kids, check with your airline about which documents they require — if any.
  • Make time fly by even quicker on your short hop by packing the right stuff. Think tasty snacks, a water bottle and entertainment. If you'd like your journey to Gaithersburg to go quietly, put some headphones into your carry-on bag as well.
  • Even if you're flying when it's 100 degrees outside, bring a cardigan or sweater on board with you. Cabins can get quite chilly!

How many direct flights are there to Gaithersburg?
Right now, there are 689 direct flights each month to Gaithersburg. When it comes to airlines that will take you there, you've got plenty to choose from. United Airlines, Delta Air Lines and Southern Airways Express are among the most sought-after. American Airlines, Southwest Airlines and Air Canada are a few other respected carriers offering nonstop services.
How do I get cheap first-class/business deals to Gaithersburg?
Experienced travelers know how to find business or first-class fares to Gaithersburg that don't cost an arm and a leg. Follow their example with these handy tips:

  • Be more flexible with your travel dates and hold out for early bird or last-minute sales on business or first-class airfares.
  • Budget airlines offer first or business-class seating at a fraction of the usual price. Ditch the full-service carriers and consider these cheaper options.
  • Take advantage of your airline's loyalty scheme and upgrade your seat. You can also bid for an upgrade in online auctions.

How to get into Gaithersburg from the airport?
Walk off the plane and then jump in the driver's seat of a Washington Dulles Intl. Airport (IAD) car rental at Washington Dulles Intl. Airport (IAD). On-site supplier Hertz has a great variety of vehicles to select from, so finding the ideal set of wheels will be easy. Set your GPS and then head roughly 19 miles northeast of IAD to make it to the buzzing center of Gaithersburg. Or, you could also use public transportation or take a taxi into town and rent a car from central Gaithersburg with one of our Gaithersburg car rentals instead.
What is the best time to go to Gaithersburg?
Gaithersburg is popular in March, April and May. If you're contemplating visiting during these months, it would be a good idea to book in advance to ensure you land the most rewarding deals. Wondering what the summer's like in Gaithersburg? Average daily temperatures normally hover between 70 ºF and 85 ºF. Like most of the Northern Hemisphere, summertime begins June 20 here.

More to Explore

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.