Cheap flights to Fairfax County

View €252 flight on Fri, 17 Jul 2026Opens in a new window

Popular airlines to Fairfax County

  • Delta

  • Frontier Airlines

  • American Airlines

  • United

  • 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 €252 for one-way flights and €456 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Thu, 18 Jun - Sat, 27 Jun
DUB
Dublin
DCA
Washington
€456 Return, found 3 days ago
€456
Return
found 3 days ago
Select JetBlue Airways flight, departing Thu, 18 Jun from Dublin to Washington, returning Sat, 27 Jun, priced at €456 found 3 days ago
Icelandair
Thu, 25 Feb - Wed, 3 Mar
DUB
Dublin
BWI
Baltimore
€483 Return, found 3 days ago
€483
Return
found 3 days ago
Select Icelandair flight, departing Thu, 25 Feb from Dublin to Baltimore, returning Wed, 3 Mar, priced at €483 found 3 days ago
Icelandair
Thu, 4 Mar - Sun, 14 Mar
DUB
Dublin
IAD
Washington
€484 Return, found 5 hours ago
€484
Return
found 5 hours ago
Select Icelandair flight, departing Thu, 4 Mar from Dublin to Washington, returning Sun, 14 Mar, priced at €484 found 5 hours ago
British Airways
Thu, 4 Mar - Sun, 14 Mar
DUB
Dublin
BWI
Baltimore
€497 Return, found 5 hours ago
€497
Return
found 5 hours ago
Select British Airways flight, departing Thu, 4 Mar from Dublin to Baltimore, returning Sun, 14 Mar, priced at €497 found 5 hours ago
Scandinavian Airlines
Wed, 6 Jan - Mon, 11 Jan
DUB
Dublin
IAD
Washington
€501 Return, found 3 days ago
€501
Return
found 3 days ago
Select Scandinavian Airlines flight, departing Wed, 6 Jan from Dublin to Washington, returning Mon, 11 Jan, priced at €501 found 3 days ago
Aer Lingus
Thu, 26 Nov - Sun, 6 Dec
DUB
Dublin
IAD
Washington
€508 Return, found 4 days ago
€508
Return
found 4 days ago
Select Aer Lingus flight, departing Thu, 26 Nov from Dublin to Washington, returning Sun, 6 Dec, priced at €508 found 4 days ago
American Airlines
Thu, 25 Feb - Tue, 2 Mar
DUB
Dublin
IAD
Washington
€513 Return, found 3 days ago
€513
Return
found 3 days ago
Select American Airlines flight, departing Thu, 25 Feb from Dublin to Washington, returning Tue, 2 Mar, priced at €513 found 3 days ago
Iberia
Thu, 19 Nov - Wed, 2 Dec
DUB
Dublin
IAD
Washington
€516 Return, found 9 hours ago
€516
Return
found 9 hours ago
Select Iberia flight, departing Thu, 19 Nov from Dublin to Washington, returning Wed, 2 Dec, priced at €516 found 9 hours ago
Finnair
Wed, 8 Jul - Tue, 21 Jul
DUB
Dublin
DCA
Washington
€524 Return, found 2 days ago
€524
Return
found 2 days ago
Select Finnair flight, departing Wed, 8 Jul from Dublin to Washington, returning Tue, 21 Jul, priced at €524 found 2 days ago
TAP Portugal
Wed, 10 Feb - Sun, 14 Feb
DUB
Dublin
IAD
Washington
€598 Return, found 3 days ago
€598
Return
found 3 days ago
Select TAP Portugal flight, departing Wed, 10 Feb from Dublin to Washington, returning Sun, 14 Feb, priced at €598 found 3 days ago

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.

JetBlue Airways
Thu, 18 Jun - Sat, 27 Jun
DUB
Dublin
DCA
Washington
€456 Return, found 3 days ago
€456
Return
found 3 days ago
Select JetBlue Airways flight, departing Thu, 18 Jun from Dublin to Washington, returning Sat, 27 Jun, priced at €456 found 3 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, €456 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 €252 in the last seven days. Round-trip journeys to Fairfax County ranged from only €456 to €598 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 €456 and €598. 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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