A vineyard with rows of grapevines, a paved road, and a hilly landscape with scattered houses.

£316 Cheap Flights to Loudoun County

View £316 flight on Tue, 1 Sept 2026Opens in a new window

Popular airlines to Loudoun County

  • Delta

  • Frontier Airlines

  • American Airlines

  • United

  • Alaska Airlines

  • Southwest Airlines

  • JetBlue Airways

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Cheap round-trip flights to Loudoun County

Prices were available within the past 7 days and start at £316 for one-way flights and £408 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Wed, 21 Oct - Tue, 27 Oct
LGW
London
IAD
Washington
£408 Return, found 4 days ago
£408
Return
found 4 days ago
Select Icelandair flight, departing Wed, 21 Oct from London to Washington, returning Tue, 27 Oct, priced at £408 found 4 days ago
Icelandair
Tue, 20 Oct - Sun, 1 Nov
LHR
London
IAD
Washington
£408 Return, found 5 days ago
£408
Return
found 5 days ago
Select Icelandair flight, departing Tue, 20 Oct from London to Washington, returning Sun, 1 Nov, priced at £408 found 5 days ago
Swiss International Air Lines
Fri, 4 Sept - Sun, 6 Sept
LGW
London
DCA
Washington
£447 Return, found 5 days ago
£447
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Fri, 4 Sept from London to Washington, returning Sun, 6 Sept, priced at £447 found 5 days ago
Swiss International Air Lines
Thu, 11 Feb - Sun, 21 Feb
LHR
London
DCA
Washington
£465 Return, found 6 days ago
£465
Return
found 6 days ago
Select Swiss International Air Lines flight, departing Thu, 11 Feb from London to Washington, returning Sun, 21 Feb, priced at £465 found 6 days ago
TAP Portugal
Tue, 6 Oct - Tue, 13 Oct
LGW
London
IAD
Washington
£477 Return, just found
£477
Return
just found
Select TAP Portugal flight, departing Tue, 6 Oct from London to Washington, returning Tue, 13 Oct, priced at £477 just found
British Airways
Thu, 11 Feb - Mon, 15 Feb
LHR
London
DCA
Washington
£483 Return, found 5 days ago
£483
Return
found 5 days ago
Select British Airways flight, departing Thu, 11 Feb from London to Washington, returning Mon, 15 Feb, priced at £483 found 5 days ago
Iberia
Fri, 4 Sept - Sun, 6 Sept
LGW
London
DCA
Washington
£486 Return, found 5 days ago
£486
Return
found 5 days ago
Select Iberia flight, departing Fri, 4 Sept from London to Washington, returning Sun, 6 Sept, priced at £486 found 5 days ago
Finnair
Sat, 12 Sept - Tue, 22 Sept
LHR
London
DCA
Washington
£492 Return, found 5 days ago
£492
Return
found 5 days ago
Select Finnair flight, departing Sat, 12 Sept from London to Washington, returning Tue, 22 Sept, priced at £492 found 5 days ago
KLM
Sat, 6 Feb - Sat, 20 Feb
LHR
London
IAD
Washington
£501 Return, found 14 hours ago
£501
Return
found 14 hours ago
Select KLM flight, departing Sat, 6 Feb from London to Washington, returning Sat, 20 Feb, priced at £501 found 14 hours ago
American Airlines
Wed, 16 Sept - Sun, 20 Sept
LGW
London
IAD
Washington
£503 Return, just found
£503
Return
just found
Select American Airlines flight, departing Wed, 16 Sept from London to Washington, returning Sun, 20 Sept, priced at £503 just found

Airports in Loudoun County

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Washington Dulles Intl. IAD. Cheapest option available. Flights from £890
IAD
Washington Dulles Intl.
Cheapest
Flights from £890
Select flight to Ronald Reagan Washington National DCA. Flights from £1,187
DCA
Ronald Reagan Washington National
Flights from £1,187

Trending flights to Loudoun County

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Wed, 21 Oct - Tue, 27 Oct
LGW
London
IAD
Washington
£408 Return, found 4 days ago
£408
Return
found 4 days ago
Select Icelandair flight, departing Wed, 21 Oct from London to Washington, returning Tue, 27 Oct, priced at £408 found 4 days ago

Frequently asked questions

How do I find cheap flights to Loudoun County that have flexible change policies?
At Expedia, we've been channeling our inner contortionist to offer you the most flexible fares around. Just tick the "No change fee" box right under the filter heading "Flexible change policies" to find your perfect flight to Loudoun County.
Which airlines fly to Loudoun County?
With a good range of airlines flying to destinations in or near Loudoun County, exploring this region is easy. Jet off with one of these quality carriers:

  • American Airlines - 7,501 flights to or near Loudoun County each month, including 7,284 flights to Ronald Reagan Washington National Airport (DCA) and 216 flights to Washington Dulles Intl. Airport (IAD) per month.
  • United Airlines - 5,939 flights to or near Loudoun County each month, including 5,146 flights to Washington Dulles Intl. Airport (IAD) and 793 flights to Ronald Reagan Washington National Airport (DCA) per month.
  • Delta Air Lines - 2,036 flights to or near Loudoun County each month, including 1,516 flights to Ronald Reagan Washington National Airport (DCA) and 520 flights to Washington Dulles Intl. Airport (IAD) per month.

How can I find cheap tickets to Loudoun County?
One of the best ways to find cheap tickets to Loudoun County is to be flexible with your travel dates. Search for your flights, then click "flexible dates" above the results. It will bring up the cheapest prices for nearby days. The lowest price for a flight to Loudoun County in the last seven days was £408. Booking well ahead of time will usually help you walk away with an even bigger bargain.
How much is a flight to Loudoun County?
In the last seven days, return tickets to Loudoun County sold for as little as £408 and reached a maximum cost of £503. For one-way trips leaving London (LGW), the cheapest seat during this same period was just £316.
What are the most popular airports to fly into in Loudoun County?
Pack your bags and glide into one of these top Loudoun County airports:

  • Ronald Reagan Washington National Airport (DCA) - 11,555 flights per month.
  • Washington Dulles Intl. Airport (IAD) - 6,533 flights per month.

When is the cheapest time to fly to Loudoun County?
If you're not fixed on your travel dates to Loudoun County, depart earlier in the week. The most economical day to take off is normally Tuesday, followed closely by Monday. Saturday is typically the costliest day, with lots of holiday makers preferring to fly on weekends.
How much is a plane ticket to Loudoun County?
Seats ranged from just £408 to £503 in the last seven days. When you're ready to book, we're here to help you land an amazing deal to Loudoun County.
What months are the cheapest to book a flight to Loudoun County?
February is the best month to book a seat for your Loudoun County getaway. Airfares are at a premium throughout December, so avoid this time if you can.

Book with confidence

Top tips for booking flights to Loudoun County from UK

Get ready to fly to Loudoun County

Prepare your luggage and book your flights to Loudoun County with Expedia. We offer a seamless flight booking experience, with a wide range of Loudoun County plane tickets to choose from. If you need help finding some of the best deals for cheap flights to Loudoun County in 2026, we are always available to assist you. Book your flights to Loudoun County today and let the adventure begin!

Find the best tickets to Loudoun County

To find some of the best tickets to Loudoun County in 2026, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to Loudoun County or last-minute flights to Loudoun County, you can filter and sort your search results, making it easy to find the ideal flight to Loudoun County.

Airlines fly to Loudoun County

There are 20 different airlines that fly to Loudoun County including some of the most trusted names in the business. To book flights to Loudoun County with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best Loudoun County plane tickets.

Find the cheapest flights to Loudoun County

By booking early you may find some of the best deals for Loudoun County flights from the UK, including Loudoun County direct flights. You can usually find affordable and cheap flights to Loudoun County, whether one-way from £316 or round-trip from £408, with Expedia if you book your trip far enough in advance.

Find the best airports for cheap flights to Loudoun County

Try searching for different Loudoun County airports with Expedia to find some of the cheapest flights to Loudoun County. Flights from London (LGW) to Washington (DCA) usually have the lowest price from £316.

Why book your flights to Loudoun County with Expedia

Expedia offers great deals on Loudoun County air fares from £316 to cater to every budget. Not only is Expedia one of the top platforms to book flights to Loudoun County from the UK, it is also your one-stop shop for booking hotels, car rentals, and more.

 

*Prices and availability are subject to change. Additional terms apply.

Top tips for booking flights to Loudoun County from UK

Travel information

Loudoun County Flights Information

Airlines serving
JetBlue Airways, American Airlines, British Airways, Aer Lingus, Iberia, Finnair, Icelandair, Swiss International Air Lines, Lufthansa, TAP Portugal, KLM
Roundtrip price
from £408
Loudoun County Flights Information

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