Cheap Flights to Fairfax County | Popular Routes to Fairfax County from HK$4,148

View HK$4,148 flight on Thu, 11 Jun 2026Opens in a new window

Popular airlines to Fairfax County

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  • Alaska Airlines

  • Southwest Airlines

  • Air Canada

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Cheap round-trip flights to Fairfax County

Prices were available within the past 7 days and start at HK$4,148 for one-way flights and HK$4,863 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Thu, 8 Oct - Mon, 12 Oct
DUB
Dublin
IAD
Washington
HK$4,863 Return, found 2 days ago
HK$4,863
Return
found 2 days ago
Select Scandinavian Airlines flight, departing Thu, 8 Oct from Dublin to Washington, returning Mon, 12 Oct, priced at HK$4,863 found 2 days ago
Icelandair
Thu, 9 Jul - Wed, 22 Jul
DUB
Dublin
IAD
Washington
HK$5,392 Return, found 1 day ago
HK$5,392
Return
found 1 day ago
Select Icelandair flight, departing Thu, 9 Jul from Dublin to Washington, returning Wed, 22 Jul, priced at HK$5,392 found 1 day ago
TAP Portugal
Fri, 4 Sept - Sun, 6 Sept
DUB
Dublin
IAD
Washington
HK$5,958 Return, found 2 days ago
HK$5,958
Return
found 2 days ago
Select TAP Portugal flight, departing Fri, 4 Sept from Dublin to Washington, returning Sun, 6 Sept, priced at HK$5,958 found 2 days ago
Turkish Airlines
Thu, 8 Oct - Mon, 12 Oct
DUB
Dublin
IAD
Washington
HK$6,347 Return, found 2 days ago
HK$6,347
Return
found 2 days ago
Select Turkish Airlines flight, departing Thu, 8 Oct from Dublin to Washington, returning Mon, 12 Oct, priced at HK$6,347 found 2 days ago
Air Canada
Fri, 4 Sept - Sun, 6 Sept
DUB
Dublin
IAD
Washington
HK$6,434 Return, found 2 days ago
HK$6,434
Return
found 2 days ago
Select Air Canada flight, departing Fri, 4 Sept from Dublin to Washington, returning Sun, 6 Sept, priced at HK$6,434 found 2 days ago
Delta
Fri, 19 Jun - Sun, 28 Jun
DUB
Dublin
IAD
Washington
HK$6,462 Return, found 15 hours ago
HK$6,462
Return
found 15 hours ago
Select Delta flight, departing Fri, 19 Jun from Dublin to Washington, returning Sun, 28 Jun, priced at HK$6,462 found 15 hours ago
United
Thu, 22 Oct - Mon, 26 Oct
DUB
Dublin
IAD
Washington
HK$6,550 Return, found 2 days ago
HK$6,550
Return
found 2 days ago
Select United flight, departing Thu, 22 Oct from Dublin to Washington, returning Mon, 26 Oct, priced at HK$6,550 found 2 days ago
Iberia
Fri, 19 Jun - Sun, 28 Jun
DUB
Dublin
IAD
Washington
HK$6,567 Return, found 15 hours ago
HK$6,567
Return
found 15 hours ago
Select Iberia flight, departing Fri, 19 Jun from Dublin to Washington, returning Sun, 28 Jun, priced at HK$6,567 found 15 hours ago
American Airlines
Thu, 18 Jun - Sat, 27 Jun
DUB
Dublin
IAD
Washington
HK$6,572 Return, found 1 day ago
HK$6,572
Return
found 1 day ago
Select American Airlines flight, departing Thu, 18 Jun from Dublin to Washington, returning Sat, 27 Jun, priced at HK$6,572 found 1 day ago
American Airlines
Thu, 18 Jun - Sun, 21 Jun
DUB
Dublin
DCA
Washington
HK$6,582 Return, found 23 hours ago
HK$6,582
Return
found 23 hours ago
Select American Airlines flight, departing Thu, 18 Jun from Dublin to Washington, returning Sun, 21 Jun, priced at HK$6,582 found 23 hours ago
Book with confidence

About Fairfax County

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

Trending flights to Fairfax 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.

Air China
Fri, 11 Sept - Fri, 18 Sept
HKG
Hong Kong SAR
IAD
Washington
HK$7,478 Return, found 5 days ago
HK$7,478
Return
found 5 days ago
Select Air China flight, departing Fri, 11 Sept from Hong Kong SAR to Washington, returning Fri, 18 Sept, priced at HK$7,478 found 5 days ago

Frequently asked questions

How do I find cheap flights to Fairfax County that have flexible change policies?
When it comes to flying these days, flexibility is a must. That's why we've added a "No change fee" filter to help you locate flexible, affordable fares to Fairfax County. It's on the left of your screen right underneath the "Flexible change policies" subheading.
Which airlines fly to Fairfax County?
Score a seat with any of the following airlines and get set to say yes to new adventures in Fairfax County:

  • American Airlines - 7,501 flights to or near Fairfax 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 Fairfax 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 Fairfax 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 Fairfax County?
To get your hands on a great deal to Fairfax County, book well in advance. Also consider using Expedia's handy "flexible dates" feature at the top of your search results. This will list the cheapest prices for similar time frames. In the last seven days, HK$4,863 was the best price for a flight to Fairfax County.
How much is a flight to Fairfax County?
If you were flying one way from Hong Kong SAR (HKG), you could've nabbed a low-cost fare for just HK$4,148 in the last seven days. Round-trip journeys to Fairfax County ranged from only HK$4,863 to HK$7,478 over the same period.
What are the most popular airports to fly into in Fairfax County?
Pack your suitcase and coast into one of these major Fairfax 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 Fairfax County?
If you'd prefer to spend your vacation savings exploring Fairfax County rather than on your flight there, jet off earlier in the week. The cheapest day to travel is usually Tuesday, followed by Monday. With many folks traveling on weekends, Saturday tends to have the most expensive ticket prices.
How much is a plane ticket to Fairfax County?
In the last seven days, flights to Fairfax County varied between HK$4,863 and HK$7,478. Prices depend on the departure time, seating class, airline and how early the fare is booked.
What is the best time to go to Fairfax County?
Alexandria, Fairfax County's top city, is a lovely place to explore at anytime. Not a big fan of chilly weather? Then head here from June 20 onward during the summer months, when average temperatures fluctuate from 21ºC to 32ºC. March, April and May is when Alexandria is really lively.
What months are the cheapest to book a flight to Fairfax County?
February is the ideal month to bag bargain flights to Fairfax County. Keep in mind that the priciest time to make a purchase in the States isn't the middle of summer, but in December.

Book with confidence

About Fairfax County

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