Skyscanner home

Flights to Gaithersburg

Compare Gaithersburg flights across hundreds of providers

Find the cheapest month or even day of the year to fly to Gaithersburg

Book the best Gaithersburg fare with no extra fees

Flight deals to Gaithersburg

Looking for a cheap last-minute deal or the best return flight to Gaithersburg? Find our lowest prices on one-way and return tickets to the easiest airport right here.
Washington D.C..£305 per passenger.Departing Wed, 15 Apr, returning Wed, 22 Apr.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Wed, 15 Apr, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Wed, 22 Apr, arriving in London Gatwick.Price includes taxes and charges.From £305, select.
Washington D.C..£306 per passenger.Departing Mon, 13 Apr, returning Wed, 13 May.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Mon, 13 Apr, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Wed, 13 May, arriving in London Gatwick.Price includes taxes and charges.From £306, select.
Washington D.C..£315 per passenger.Departing Thu, 7 May, returning Mon, 18 May.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Thu, 7 May, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Mon, 18 May, arriving in London Gatwick.Price includes taxes and charges.From £315, select.
Washington D.C..£358 per passenger.Departing Sat, 9 May, returning Wed, 3 Jun.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Sat, 9 May, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Wed, 3 Jun, arriving in London Gatwick.Price includes taxes and charges.From £358, select.
Washington D.C..£360 per passenger.Departing Mon, 13 Apr, returning Sun, 2 Aug.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Heathrow on Mon, 13 Apr, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Sun, 2 Aug, arriving in London Gatwick.Price includes taxes and charges.From £360, select.
Washington D.C..£402 per passenger.Departing Sun, 7 Jun, returning Wed, 15 Jul.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Sun, 7 Jun, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Wed, 15 Jul, arriving in London Gatwick.Price includes taxes and charges.From £402, select.
Washington D.C..£408 per passenger.Departing Sun, 7 Jun, returning Wed, 24 Jun.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Sun, 7 Jun, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Wed, 24 Jun, arriving in London Gatwick.Price includes taxes and charges.From £408, select.
Washington D.C..£408 per passenger.Departing Wed, 8 Jul, returning Sun, 19 Jul.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Wed, 8 Jul, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Sun, 19 Jul, arriving in London Gatwick.Price includes taxes and charges.From £408, select.
Washington D.C..£417 per passenger.Departing Wed, 24 Jun, returning Tue, 4 Aug.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Wed, 24 Jun, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Tue, 4 Aug, arriving in London Gatwick.Price includes taxes and charges.From £417, select.
Washington D.C..£424 per passenger.Departing Tue, 24 Nov, returning Tue, 1 Dec.Return flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Tue, 24 Nov, arriving in Washington Dulles.Inbound indirect flight with British Airways, departs from Washington Dulles on Tue, 1 Dec, arriving in London Heathrow.Price includes taxes and charges.From £424, select.
Washington D.C..£425 per passenger.Departing Thu, 3 Dec, returning Tue, 8 Dec.Return flight with British Airways.Outbound indirect flight with British Airways, departs from London Heathrow on Thu, 3 Dec, arriving in Washington Dulles.Inbound indirect flight with British Airways, departs from Washington Dulles on Tue, 8 Dec, arriving in London Heathrow.Price includes taxes and charges.From £425, select.
Washington D.C..£428 per passenger.Departing Tue, 6 Oct, returning Mon, 12 Oct.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from London Stansted on Tue, 6 Oct, arriving in Washington Dulles.Inbound indirect flight with Lufthansa, departs from Washington Dulles on Mon, 12 Oct, arriving in London Heathrow.Price includes taxes and charges.From £428, select.
Washington D.C..£428 per passenger.Departing Tue, 6 Oct, returning Mon, 16 Nov.Return flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from London Stansted on Tue, 6 Oct, arriving in Washington Dulles.Inbound indirect flight with Lufthansa, departs from Washington Dulles on Mon, 16 Nov, arriving in London Heathrow.Price includes taxes and charges.From £428, select.
Washington D.C..£429 per passenger.Departing Sat, 19 Sep, returning Mon, 28 Sep.Return flight with Finnair.Outbound indirect flight with Finnair, departs from London Heathrow on Sat, 19 Sep, arriving in Washington Dulles.Inbound indirect flight with Finnair, departs from Washington Dulles on Mon, 28 Sep, arriving in London Heathrow.Price includes taxes and charges.From £429, select.
Washington D.C..£430 per passenger.Departing Mon, 31 Aug, returning Tue, 8 Sep.Return flight with SWISS and Lufthansa.Outbound indirect flight with SWISS, departs from London Heathrow on Mon, 31 Aug, arriving in Washington Dulles.Inbound indirect flight with Lufthansa, departs from Washington Dulles on Tue, 8 Sep, arriving in London Heathrow.Price includes taxes and charges.From £430, select.
Washington D.C..£430 per passenger.Departing Mon, 13 Apr, returning Tue, 22 Sep.Return flight with Icelandair.Outbound indirect flight with Icelandair, departs from London Gatwick on Mon, 13 Apr, arriving in Washington Dulles.Inbound indirect flight with Icelandair, departs from Washington Dulles on Tue, 22 Sep, arriving in London Heathrow.Price includes taxes and charges.From £430, select.

Flying to Gaithersburg

The things to know before you go.
Fly intoWashington Dulles Airport
Distance to Gaithersburg18.9 miles
Average flight time8 hrs, 22 mins
Most popular airlineAmerican Airlines
Cheapest flight found£305
Cheapest month to flyApril

Find the cheapest time to fly to Gaithersburg

Flexible on travel dates? Find the cheapest month – or even day – to catch a flight to Gaithersburg.
Mar
from £478
Apr
from £305
May
from £315
Jun
from £408
Jul
from £408
Aug
from £455
Sep
from £429
Oct
from £428
Nov
from £430
Dec
from £425
Jan
from £433
Feb
from £433

Frequently asked questions

The average flight time to Gaithersburg is 8 hours and 28 minutes. We've calculated this based on journeys to Washington Dulles Airport.
There are 3 airports near Gaithersburg: Washington Dulles Airport, Washington Ronald Reagan Airport and Baltimore Washington International Airport.
American Airlines, British Airways, KLM, United, Air Canada, Lufthansa, Aer Lingus and Finnair all offer direct flights to Washington Dulles Airport.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Gaithersburg but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
Yes – you can fly direct to Washington Dulles Airport or Baltimore Washington International Airport, and the average flight time is 8 hours and 21 minutes.
The best price we found for a return flight to Gaithersburg is £305. This is an estimate based on information collected from different airlines and travel providers flying to Washington Dulles Airport over the last 4 days and is subject to change and availability.
The cheapest airport near Gaithersburg is Washington Dulles – which is 18.9 miles away from the centre of Gaithersburg. We've found flights into this airport from £305.
After crunching the numbers on our flight calendar, we found that the cheapest date to fly to Washington Dulles Airport, the closest airport to Gaithersburg is Wednesday, 15 April 2026.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Gaithersburg is around 40 days in advance, so don’t leave your flight to the last minute.
Washington Dulles Airport is 18.9 miles from Gaithersburg, Washington Ronald Reagan Airport is 22.0 miles from Gaithersburg, and Baltimore Washington International Airport is 28.5 miles from Gaithersburg.
The average temperature in Gaithersburg in March is around 5°C. The warmest month in Gaithersburg is typically July, which averages 31°C. The coolest month is January, with temperatures averaging -5°C. The rainiest month is September, and it usually rains the least in February.
Currently, the cheapest airline that flies to Washington Dulles Airport - the closest airport to Gaithersburg - Icelandair.
Washington Dulles Airport is 18.9 miles from Gaithersburg which is approximately 49 minutes driving time. Check out the options for car hire at Washington Dulles Airport.
Washington Ronald Reagan Airport is 22.0 miles from Gaithersburg which is approximately 46 minutes driving time. Check out the options for car hire at Washington Ronald Reagan Airport.
Baltimore Washington International Airport is 28.5 miles from Gaithersburg which is approximately 43 minutes driving time. Check out the options for car hire at Baltimore Washington International Airport.