Loudoun County Flights - Book Cheap Flights to Loudoun County

View RM2,594 flight on Mon, 16 Nov 2026Opens in a new window

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Popular airlines to Loudoun County

  • Frontier Airlines

  • Delta

  • American Airlines

  • United

  • Alaska Airlines

  • Southwest Airlines

  • British Airways

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Cheap round-trip flights to Loudoun County

Prices were available within the past 7 days and start at RM2,594 for one-way flights and RM3,032 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 17 Dec - Sun, 20 Dec
LHR
London
IAD
Washington
RM3,032 Return, found 4 days ago
RM3,032
Return
found 4 days ago
Select Delta flight, departing Thu, 17 Dec from London to Washington, returning Sun, 20 Dec, priced at RM3,032 found 4 days ago
Delta
Thu, 17 Dec - Sun, 20 Dec
LHR
London
IAD
Washington
RM3,112 Return, found 4 days ago
RM3,112
Return
found 4 days ago
Select Delta flight, departing Thu, 17 Dec from London to Washington, returning Sun, 20 Dec, priced at RM3,112 found 4 days ago
Icelandair
Thu, 17 Dec - Sun, 20 Dec
LHR
London
IAD
Washington
RM3,876 Return, found 4 days ago
RM3,876
Return
found 4 days ago
Select Icelandair flight, departing Thu, 17 Dec from London to Washington, returning Sun, 20 Dec, priced at RM3,876 found 4 days ago
Finnair
Mon, 8 Jun - Wed, 17 Jun
LHR
London
DCA
Washington
RM4,158 Return, found 1 day ago
RM4,158
Return
found 1 day ago
Select Finnair flight, departing Mon, 8 Jun from London to Washington, returning Wed, 17 Jun, priced at RM4,158 found 1 day ago
TAP Portugal
Thu, 17 Dec - Sun, 20 Dec
LHR
London
IAD
Washington
RM4,209 Return, found 4 days ago
RM4,209
Return
found 4 days ago
Select TAP Portugal flight, departing Thu, 17 Dec from London to Washington, returning Sun, 20 Dec, priced at RM4,209 found 4 days ago
Qatar Airways
Thu, 5 Nov - Wed, 11 Nov
KUL
Kuala Lumpur
IAD
Washington
RM4,410 Return, found 2 days ago
RM4,410
Return
found 2 days ago
Select Qatar Airways flight, departing Thu, 5 Nov from Kuala Lumpur to Washington, returning Wed, 11 Nov, priced at RM4,410 found 2 days ago
United
Wed, 2 Sept - Wed, 9 Sept
KUL
Kuala Lumpur
IAD
Washington
RM4,527 Return, found 3 days ago
RM4,527
Return
found 3 days ago
Select United flight, departing Wed, 2 Sept from Kuala Lumpur to Washington, returning Wed, 9 Sept, priced at RM4,527 found 3 days ago
Air Canada
Thu, 17 Dec - Sun, 20 Dec
LHR
London
IAD
Washington
RM4,578 Return, found 4 days ago
RM4,578
Return
found 4 days ago
Select Air Canada flight, departing Thu, 17 Dec from London to Washington, returning Sun, 20 Dec, priced at RM4,578 found 4 days ago
All Nippon Airways
Wed, 2 Sept - Wed, 9 Sept
KUL
Kuala Lumpur
IAD
Washington
RM4,617 Return, found 3 days ago
RM4,617
Return
found 3 days ago
Select All Nippon Airways flight, departing Wed, 2 Sept from Kuala Lumpur to Washington, returning Wed, 9 Sept, priced at RM4,617 found 3 days ago
Swiss International Air Lines
Mon, 8 Jun - Wed, 17 Jun
LHR
London
IAD
Washington
RM4,665 Return, found 1 day ago
RM4,665
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Mon, 8 Jun from London to Washington, returning Wed, 17 Jun, priced at RM4,665 found 1 day 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.

Qatar Airways
Thu, 5 Nov - Wed, 11 Nov
KUL
Kuala Lumpur
IAD
Washington
RM4,410 Return, found 2 days ago
RM4,410
Return
found 2 days ago
Select Qatar Airways flight, departing Thu, 5 Nov from Kuala Lumpur to Washington, returning Wed, 11 Nov, priced at RM4,410 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 RM3,032. 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 RM3,032 and reached a maximum cost of RM4,665. For one-way trips leaving London (LHR), the cheapest seat during this same period was just RM2,594.
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 RM3,032 to RM4,665 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 traveler'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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