Cheap Flights to Loudoun County | Popular Routes to Loudoun County from HK$3,758

View HK$3,758 flight on Tue, 9 Jun 2026Opens in a new window

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Cheap round-trip flights to Loudoun County

Prices were available within the past 7 days and start at HK$3,758 for one-way flights and HK$6,646 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

China Airlines
Thu, 29 Oct - Tue, 3 Nov
HKG
Hong Kong SAR
IAD
Washington
HK$6,646 Return, found 5 days ago
HK$6,646
Return
found 5 days ago
Select China Airlines flight, departing Thu, 29 Oct from Hong Kong SAR to Washington, returning Tue, 3 Nov, priced at HK$6,646 found 5 days ago
Air China
Tue, 17 Mar - Fri, 3 Apr
HKG
Hong Kong SAR
IAD
Washington
HK$7,472 Return, found 4 days ago
HK$7,472
Return
found 4 days ago
Select Air China flight, departing Tue, 17 Mar from Hong Kong SAR to Washington, returning Fri, 3 Apr, priced at HK$7,472 found 4 days ago
Turkish Airlines
Thu, 12 Mar - Sun, 15 Mar
HKG
Hong Kong SAR
IAD
Washington
HK$7,822 Return, found 2 days ago
HK$7,822
Return
found 2 days ago
Select Turkish Airlines flight, departing Thu, 12 Mar from Hong Kong SAR to Washington, returning Sun, 15 Mar, priced at HK$7,822 found 2 days ago
EVA Airways
Fri, 26 Jun - Sat, 25 Jul
HKG
Hong Kong SAR
IAD
Washington
HK$7,830 Return, found 2 days ago
HK$7,830
Return
found 2 days ago
Select EVA Airways flight, departing Fri, 26 Jun from Hong Kong SAR to Washington, returning Sat, 25 Jul, priced at HK$7,830 found 2 days ago
EVA Airways
Fri, 8 May - Sat, 9 May
HKG
Hong Kong SAR
DCA
Washington
HK$7,832 Return, found 3 days ago
HK$7,832
Return
found 3 days ago
Select EVA Airways flight, departing Fri, 8 May from Hong Kong SAR to Washington, returning Sat, 9 May, priced at HK$7,832 found 3 days ago
Qatar Airways
Fri, 8 May - Wed, 13 May
HKG
Hong Kong SAR
IAD
Washington
HK$7,860 Return, just found
HK$7,860
Return
just found
Select Qatar Airways flight, departing Fri, 8 May from Hong Kong SAR to Washington, returning Wed, 13 May, priced at HK$7,860 just found
United
Wed, 25 Mar - Wed, 8 Apr
HKG
Hong Kong SAR
IAD
Washington
HK$7,932 Return, just found
HK$7,932
Return
just found
Select United flight, departing Wed, 25 Mar from Hong Kong SAR to Washington, returning Wed, 8 Apr, priced at HK$7,932 just found
STARLUX Airlines
Mon, 11 May - Wed, 19 Aug
HKG
Hong Kong SAR
IAD
Washington
HK$7,956 Return, found 2 days ago
HK$7,956
Return
found 2 days ago
Select STARLUX Airlines flight, departing Mon, 11 May from Hong Kong SAR to Washington, returning Wed, 19 Aug, priced at HK$7,956 found 2 days ago
Cathay Pacific
Thu, 9 Apr - Thu, 16 Apr
HKG
Hong Kong SAR
IAD
Washington
HK$8,480 Return, found 4 hours ago
HK$8,480
Return
found 4 hours ago
Select Cathay Pacific flight, departing Thu, 9 Apr from Hong Kong SAR to Washington, returning Thu, 16 Apr, priced at HK$8,480 found 4 hours ago
Delta
Wed, 29 Apr - Sun, 3 May
HKG
Hong Kong SAR
IAD
Washington
HK$8,574 Return, found 17 hours ago
HK$8,574
Return
found 17 hours ago
Select Delta flight, departing Wed, 29 Apr from Hong Kong SAR to Washington, returning Sun, 3 May, priced at HK$8,574 found 17 hours 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.

China Airlines
Thu, 29 Oct - Tue, 3 Nov
HKG
Hong Kong SAR
IAD
Washington
HK$6,646 Return, found 5 days ago
HK$6,646
Return
found 5 days ago
Select China Airlines flight, departing Thu, 29 Oct from Hong Kong SAR to Washington, returning Tue, 3 Nov, priced at HK$6,646 found 5 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 HK$6,646. 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 HK$6,646 and reached a maximum cost of HK$8,574. For one-way trips leaving Hong Kong SAR (HKG), the cheapest seat during this same period was just HK$3,758.
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 HK$6,646 to HK$8,574 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.

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About Loudoun County

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About Loudoun County

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