Cheap flights to Loudoun County

View €350 flight on Mon, 1 Jun 2026Opens in a new window

Popular airlines to Loudoun County

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Cheap round-trip flights to Loudoun County

Prices were available within the past 7 days and start at €350 for one-way flights and €352 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Thu, 19 Feb - Tue, 24 Feb
LHR
London
IAD
Washington
€352 Return, found 11 hours ago
€352
Return
found 11 hours ago
Select Icelandair flight, departing Thu, 19 Feb from London to Washington, returning Tue, 24 Feb, priced at €352 found 11 hours ago
Scandinavian Airlines
Sat, 18 Apr - Thu, 23 Apr
DUB
Dublin
IAD
Washington
€397 Return, found 1 day ago
€397
Return
found 1 day ago
Select Scandinavian Airlines flight, departing Sat, 18 Apr from Dublin to Washington, returning Thu, 23 Apr, priced at €397 found 1 day ago
JetBlue Airways
Wed, 29 Apr - Mon, 4 May
DUB
Dublin
DCA
Washington
€405 Return, found 11 hours ago
€405
Return
found 11 hours ago
Select JetBlue Airways flight, departing Wed, 29 Apr from Dublin to Washington, returning Mon, 4 May, priced at €405 found 11 hours ago
American Airlines
Thu, 5 Mar - Mon, 9 Mar
DUB
Dublin
IAD
Washington
€440 Return, found 6 hours ago
€440
Return
found 6 hours ago
Select American Airlines flight, departing Thu, 5 Mar from Dublin to Washington, returning Mon, 9 Mar, priced at €440 found 6 hours ago
British Airways
Tue, 10 Mar - Tue, 24 Mar
DUB
Dublin
IAD
Washington
€452 Return, found 9 hours ago
€452
Return
found 9 hours ago
Select British Airways flight, departing Tue, 10 Mar from Dublin to Washington, returning Tue, 24 Mar, priced at €452 found 9 hours ago
Aer Lingus
Thu, 26 Feb - Mon, 2 Mar
DUB
Dublin
IAD
Washington
€456 Return, just found
€456
Return
just found
Select Aer Lingus flight, departing Thu, 26 Feb from Dublin to Washington, returning Mon, 2 Mar, priced at €456 just found
Swiss International Air Lines
Tue, 17 Feb - Thu, 26 Feb
LHR
London
IAD
Washington
€458 Return, found 2 days ago
€458
Return
found 2 days ago
Select Swiss International Air Lines flight, departing Tue, 17 Feb from London to Washington, returning Thu, 26 Feb, priced at €458 found 2 days ago
Austrian Airlines
Mon, 16 Feb - Sun, 22 Feb
LHR
London
IAD
Washington
€459 Return, found 2 days ago
€459
Return
found 2 days ago
Select Austrian Airlines flight, departing Mon, 16 Feb from London to Washington, returning Sun, 22 Feb, priced at €459 found 2 days ago
Lufthansa
Thu, 5 Mar - Sat, 14 Mar
LHR
London
IAD
Washington
€463 Return, found 2 days ago
€463
Return
found 2 days ago
Select Lufthansa flight, departing Thu, 5 Mar from London to Washington, returning Sat, 14 Mar, priced at €463 found 2 days ago
Lufthansa
Thu, 28 May - Thu, 24 Sept
BUD
Budapest
IAD
Washington
€468 Return, found 16 hours ago
€468
Return
found 16 hours ago
Select Lufthansa flight, departing Thu, 28 May from Budapest to Washington, returning Thu, 24 Sept, priced at €468 found 16 hours ago

About Loudoun County

Expedia offers flights to Loudoun County to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Loudoun County or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

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 €352. 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 €352 and reached a maximum cost of €468. For one-way trips leaving Budapest (BUD), the cheapest seat during this same period was just €350.
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.

How much is a plane ticket to Loudoun County?
Seats ranged from just €352 to €468 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.

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.

Scandinavian Airlines
Sat, 18 Apr - Thu, 23 Apr
DUB
Dublin
IAD
Washington
€397 Return, found 1 day ago
€397
Return
found 1 day ago
Select Scandinavian Airlines flight, departing Sat, 18 Apr from Dublin to Washington, returning Thu, 23 Apr, priced at €397 found 1 day ago
*Available to Expedia members.