Cheap Flights to Loudoun County | Popular Routes to Loudoun County from HK$1,402

View HK$1,402 flight on Wed, 4 Mar 2026Opens in a new window

Popular airlines to Loudoun County

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • Frontier Airlines

    Frontier Airlines

  • Spirit Airlines

    Spirit Airlines

  • Southwest Airlines

    Southwest Airlines

  • British Airways

    British Airways

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Cheap round-trip flights to Loudoun County

Prices were available within the past 7 days and start at HK$1,402 for one-way flights and HK$2,396 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 2 Mar - Tue, 17 Mar
SNA
Orange County
IAD
Washington
HK$2,396 Return, found 1 day ago
HK$2,396
Return
found 1 day ago
Select Delta flight, departing Mon, 2 Mar from Orange County to Washington, returning Tue, 17 Mar, priced at HK$2,396 found 1 day ago
Alaska Airlines
Mon, 2 Mar - Sat, 21 Mar
SNA
Orange County
DCA
Washington
HK$3,202 Return, found 1 day ago
HK$3,202
Return
found 1 day ago
Select Alaska Airlines flight, departing Mon, 2 Mar from Orange County to Washington, returning Sat, 21 Mar, priced at HK$3,202 found 1 day ago
American Airlines
Mon, 2 Feb - Sun, 8 Feb
ICN
Seoul
IAD
Washington
HK$3,714 Return, found 5 days ago
HK$3,714
Return
found 5 days ago
Select American Airlines flight, departing Mon, 2 Feb from Seoul to Washington, returning Sun, 8 Feb, priced at HK$3,714 found 5 days ago
United
Wed, 4 Mar - Fri, 13 Mar
SNA
Orange County
DCA
Washington
HK$4,137 Return, found 1 day ago
HK$4,137
Return
found 1 day ago
Select United flight, departing Wed, 4 Mar from Orange County to Washington, returning Fri, 13 Mar, priced at HK$4,137 found 1 day ago
United
Wed, 16 Sept - Wed, 23 Sept
ICN
Seoul
DCA
Washington
HK$4,796 Return, found 6 days ago
HK$4,796
Return
found 6 days ago
Select United flight, departing Wed, 16 Sept from Seoul to Washington, returning Wed, 23 Sept, priced at HK$4,796 found 6 days ago
China Airlines
Mon, 23 Mar - Tue, 31 Mar
HKG
Hong Kong SAR
IAD
Washington
HK$7,103 Return, found 3 days ago
HK$7,103
Return
found 3 days ago
Select China Airlines flight, departing Mon, 23 Mar from Hong Kong SAR to Washington, returning Tue, 31 Mar, priced at HK$7,103 found 3 days ago
Air China
Mon, 9 Mar - Tue, 24 Mar
HKG
Hong Kong SAR
IAD
Washington
HK$7,457 Return, found 4 days ago
HK$7,457
Return
found 4 days ago
Select Air China flight, departing Mon, 9 Mar from Hong Kong SAR to Washington, returning Tue, 24 Mar, priced at HK$7,457 found 4 days ago
Qatar Airways
Wed, 4 Feb - Wed, 11 Feb
HKG
Hong Kong SAR
IAD
Washington
HK$7,571 Return, found 6 days ago
HK$7,571
Return
found 6 days ago
Select Qatar Airways flight, departing Wed, 4 Feb from Hong Kong SAR to Washington, returning Wed, 11 Feb, priced at HK$7,571 found 6 days ago
Air Premia
Mon, 21 Sept - Mon, 28 Sept
ICN
Seoul
IAD
Washington
HK$7,638 Return, found 1 day ago
HK$7,638
Return
found 1 day ago
Select Air Premia flight, departing Mon, 21 Sept from Seoul to Washington, returning Mon, 28 Sept, priced at HK$7,638 found 1 day ago
Turkish Airlines
Wed, 4 Feb - Fri, 13 Feb
HKG
Hong Kong SAR
IAD
Washington
HK$7,797 Return, found 3 days ago
HK$7,797
Return
found 3 days ago
Select Turkish Airlines flight, departing Wed, 4 Feb from Hong Kong SAR to Washington, returning Fri, 13 Feb, priced at HK$7,797 found 3 days 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 HK$2,396. 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$2,396 and reached a maximum cost of HK$7,797. For one-way trips leaving Orange County (SNA), the cheapest seat during this same period was just HK$1,402.
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$2,396 to HK$7,797 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.

China Airlines
Mon, 23 Mar - Tue, 31 Mar
HKG
Hong Kong SAR
IAD
Washington
HK$7,103 Return, found 3 days ago
HK$7,103
Return
found 3 days ago
Select China Airlines flight, departing Mon, 23 Mar from Hong Kong SAR to Washington, returning Tue, 31 Mar, priced at HK$7,103 found 3 days ago
*Available to Expedia members.