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

Cheap flights to Loudoun County

View €253 flight on Thu, 20 Aug 2026Opens in a new window

Popular airlines to Loudoun County

  • Delta

  • American Airlines

  • United

  • Frontier Airlines

  • 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 €253 for one-way flights and €458 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Thu, 27 Aug - Sun, 30 Aug
DUB
Dublin
DCA
Washington
€458 Return, found 2 days ago
€458
Return
found 2 days ago
Select JetBlue Airways flight, departing Thu, 27 Aug from Dublin to Washington, returning Sun, 30 Aug, priced at €458 found 2 days ago
Icelandair
Tue, 10 Nov - Tue, 24 Nov
DUB
Dublin
IAD
Washington
€485 Return, found 2 days ago
€485
Return
found 2 days ago
Select Icelandair flight, departing Tue, 10 Nov from Dublin to Washington, returning Tue, 24 Nov, priced at €485 found 2 days ago
Icelandair
Fri, 4 Sept - Sun, 6 Sept
LHR
London
IAD
Washington
€492 Return, found 2 days ago
€492
Return
found 2 days ago
Select Icelandair flight, departing Fri, 4 Sept from London to Washington, returning Sun, 6 Sept, priced at €492 found 2 days ago
British Airways
Tue, 10 Nov - Tue, 24 Nov
DUB
Dublin
IAD
Washington
€496 Return, found 2 days ago
€496
Return
found 2 days ago
Select British Airways flight, departing Tue, 10 Nov from Dublin to Washington, returning Tue, 24 Nov, priced at €496 found 2 days ago
Aer Lingus
Mon, 23 Nov - Sat, 28 Nov
DUB
Dublin
IAD
Washington
€508 Return, found 8 hours ago
€508
Return
found 8 hours ago
Select Aer Lingus flight, departing Mon, 23 Nov from Dublin to Washington, returning Sat, 28 Nov, priced at €508 found 8 hours ago
Swiss International Air Lines
Sat, 21 Nov - Wed, 25 Nov
LHR
London
IAD
Washington
€509 Return, found 5 days ago
€509
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Sat, 21 Nov from London to Washington, returning Wed, 25 Nov, priced at €509 found 5 days ago
Austrian Airlines
Sat, 21 Nov - Wed, 25 Nov
LHR
London
IAD
Washington
€511 Return, found 5 days ago
€511
Return
found 5 days ago
Select Austrian Airlines flight, departing Sat, 21 Nov from London to Washington, returning Wed, 25 Nov, priced at €511 found 5 days ago
American Airlines
Fri, 4 Dec - Sun, 13 Dec
DUB
Dublin
IAD
Washington
€512 Return, found 6 days ago
€512
Return
found 6 days ago
Select American Airlines flight, departing Fri, 4 Dec from Dublin to Washington, returning Sun, 13 Dec, priced at €512 found 6 days ago
Lufthansa
Sat, 21 Nov - Wed, 25 Nov
LHR
London
IAD
Washington
€514 Return, found 5 days ago
€514
Return
found 5 days ago
Select Lufthansa flight, departing Sat, 21 Nov from London to Washington, returning Wed, 25 Nov, priced at €514 found 5 days ago
United
Fri, 10 Jul - Mon, 20 Jul
LHR
London
IAD
Washington
€515 Return, found 3 days ago
€515
Return
found 3 days ago
Select United flight, departing Fri, 10 Jul from London to Washington, returning Mon, 20 Jul, priced at €515 found 3 days ago

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.

JetBlue Airways
Thu, 27 Aug - Sun, 30 Aug
DUB
Dublin
DCA
Washington
€458 Return, found 2 days ago
€458
Return
found 2 days ago
Select JetBlue Airways flight, departing Thu, 27 Aug from Dublin to Washington, returning Sun, 30 Aug, priced at €458 found 2 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 €458. 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 €458 and reached a maximum cost of €515. For one-way trips leaving Dublin (DUB), the cheapest seat during this same period was just €253.
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 €458 to €515 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

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.
About Loudoun County
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