Cheap flights to Fairfax County

View €282 flight on Wed, 25 Feb 2026Opens in a new window

Popular airlines to Fairfax County

  • Delta

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  • American Airlines

    American Airlines

  • United

    United

  • Frontier Airlines

    Frontier Airlines

  • Spirit Airlines

    Spirit Airlines

  • Southwest Airlines

    Southwest Airlines

  • Alaska Airlines

    Alaska Airlines

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Cheap round-trip flights to Fairfax County

Prices were available within the past 7 days and start at €282 for one-way flights and €385 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Tue, 24 Feb - Tue, 3 Mar
DUB
Dublin
IAD
Washington
€385 Return, found 2 days ago
€385
Return
found 2 days ago
Select Icelandair flight, departing Tue, 24 Feb from Dublin to Washington, returning Tue, 3 Mar, priced at €385 found 2 days ago
Scandinavian Airlines
Thu, 14 May - Mon, 18 May
DUB
Dublin
IAD
Washington
€387 Return, found 6 days ago
€387
Return
found 6 days ago
Select Scandinavian Airlines flight, departing Thu, 14 May from Dublin to Washington, returning Mon, 18 May, priced at €387 found 6 days ago
Icelandair
Sat, 17 Jan - Sun, 18 Jan
DUB
Dublin
BWI
Baltimore
€389 Return, found 2 days ago
€389
Return
found 2 days ago
Select Icelandair flight, departing Sat, 17 Jan from Dublin to Baltimore, returning Sun, 18 Jan, priced at €389 found 2 days ago
JetBlue Airways
Tue, 5 May - Mon, 11 May
DUB
Dublin
DCA
Washington
€394 Return, found 4 hours ago
€394
Return
found 4 hours ago
Select JetBlue Airways flight, departing Tue, 5 May from Dublin to Washington, returning Mon, 11 May, priced at €394 found 4 hours ago
TAP Portugal
Thu, 15 Jan - Wed, 21 Jan
DUB
Dublin
IAD
Washington
€401 Return, found 1 hour ago
€401
Return
found 1 hour ago
Select TAP Portugal flight, departing Thu, 15 Jan from Dublin to Washington, returning Wed, 21 Jan, priced at €401 found 1 hour ago
KLM
Tue, 24 Feb - Tue, 3 Mar
DUB
Dublin
IAD
Washington
€426 Return, found 2 days ago
€426
Return
found 2 days ago
Select KLM flight, departing Tue, 24 Feb from Dublin to Washington, returning Tue, 3 Mar, priced at €426 found 2 days ago
Air France
Tue, 24 Feb - Tue, 3 Mar
DUB
Dublin
IAD
Washington
€429 Return, found 2 days ago
€429
Return
found 2 days ago
Select Air France flight, departing Tue, 24 Feb from Dublin to Washington, returning Tue, 3 Mar, priced at €429 found 2 days ago
American Airlines
Tue, 24 Feb - Tue, 3 Mar
DUB
Dublin
IAD
Washington
€438 Return, found 2 days ago
€438
Return
found 2 days ago
Select American Airlines flight, departing Tue, 24 Feb from Dublin to Washington, returning Tue, 3 Mar, priced at €438 found 2 days ago
Lufthansa
Sat, 14 Feb - Sun, 1 Mar
DUB
Dublin
IAD
Washington
€440 Return, found 4 hours ago
€440
Return
found 4 hours ago
Select Lufthansa flight, departing Sat, 14 Feb from Dublin to Washington, returning Sun, 1 Mar, priced at €440 found 4 hours ago
British Airways
Thu, 5 Feb - Tue, 10 Feb
DUB
Dublin
BWI
Baltimore
€441 Return, found 2 days ago
€441
Return
found 2 days ago
Select British Airways flight, departing Thu, 5 Feb from Dublin to Baltimore, returning Tue, 10 Feb, priced at €441 found 2 days ago

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.

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, €385 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 Dublin (DUB), you could've nabbed a low-cost fare for just €282 in the last seven days. Round-trip journeys to Fairfax County ranged from only €385 to €441 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.

How much is a plane ticket to Fairfax County?
In the last seven days, flights to Fairfax County varied between €385 and €441. 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.

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.

Icelandair
Tue, 24 Feb - Tue, 3 Mar
DUB
Dublin
IAD
Washington
€385 Return, found 2 days ago
€385
Return
found 2 days ago
Select Icelandair flight, departing Tue, 24 Feb from Dublin to Washington, returning Tue, 3 Mar, priced at €385 found 2 days ago
*Available to Expedia members.