£348 Cheap Flights to Fairfax County

Popular airlines to Fairfax County

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

  • Spirit Airlines

    Spirit Airlines

  • Southwest Airlines

    Southwest Airlines

  • Frontier Airlines

    Frontier Airlines

  • JetBlue Airways

    JetBlue Airways

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 25% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Top Cities to Visit in Fairfax County

Alexandria featuring café lifestyle, street scenes and a small town or village
FlightsFlights

Alexandria

Alexandria

Cheap round-trip flights to Fairfax County

Prices were available within the past 7 days and start at £348 for one-way flights and £392 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Thu, 8 Jan - Mon, 12 Jan
LHR
London
IAD
Washington
£392 Return, found 5 days ago
£392
Return
found 5 days ago
Select Icelandair flight, departing Thu, 8 Jan from London to Washington, returning Mon, 12 Jan, priced at £392 found 5 days ago
Aer Lingus
Thu, 22 Jan - Wed, 28 Jan
LHR
London
IAD
Washington
£402 Return, found 3 days ago
£402
Return
found 3 days ago
Select Aer Lingus flight, departing Thu, 22 Jan from London to Washington, returning Wed, 28 Jan, priced at £402 found 3 days ago
Icelandair
Mon, 8 Dec - Fri, 12 Dec
LGW
London
IAD
Washington
£406 Return, found 5 days ago
£406
Return
found 5 days ago
Select Icelandair flight, departing Mon, 8 Dec from London to Washington, returning Fri, 12 Dec, priced at £406 found 5 days ago
TAP Portugal
Thu, 16 Oct - Mon, 17 Nov
LGW
London
IAD
Washington
£408 Return, found 6 days ago
£408
Return
found 6 days ago
Select TAP Portugal flight, departing Thu, 16 Oct from London to Washington, returning Mon, 17 Nov, priced at £408 found 6 days ago
JetBlue Airways
Tue, 2 Sep - Wed, 10 Sep
LGW
London
DCA
Washington
£412 Return, found 4 days ago
£412
Return
found 4 days ago
Select JetBlue Airways flight, departing Tue, 2 Sep from London to Washington, returning Wed, 10 Sep, priced at £412 found 4 days ago
Austrian Airlines
Sat, 15 Nov - Tue, 18 Nov
LHR
London
DCA
Washington
£437 Return, found 6 days ago
£437
Return
found 6 days ago
Select Austrian Airlines flight, departing Sat, 15 Nov from London to Washington, returning Tue, 18 Nov, priced at £437 found 6 days ago
Icelandair
Wed, 17 Sep - Tue, 30 Sep
LGW
London
BWI
Baltimore
£445 Return, found 3 days ago
£445
Return
found 3 days ago
Select Icelandair flight, departing Wed, 17 Sep from London to Baltimore, returning Tue, 30 Sep, priced at £445 found 3 days ago
Icelandair
Wed, 10 Sep - Tue, 30 Sep
LHR
London
BWI
Baltimore
£447 Return, found 8 hours ago
£447
Return
found 8 hours ago
Select Icelandair flight, departing Wed, 10 Sep from London to Baltimore, returning Tue, 30 Sep, priced at £447 found 8 hours ago
Scandinavian Airlines
Wed, 4 Mar - Wed, 11 Mar
LHR
London
IAD
Washington
£448 Return, found 2 hours ago
£448
Return
found 2 hours ago
Select Scandinavian Airlines flight, departing Wed, 4 Mar from London to Washington, returning Wed, 11 Mar, priced at £448 found 2 hours ago
American Airlines
Wed, 1 Oct - Sun, 19 Oct
LGW
London
IAD
Washington
£460 Return, found 4 days ago
£460
Return
found 4 days ago
Select American Airlines flight, departing Wed, 1 Oct from London to Washington, returning Sun, 19 Oct, priced at £460 found 4 days ago

Top tips for booking flights to Fairfax County from UK

Get ready to fly to Fairfax County

Prepare your luggage and book your flights to Fairfax County with Expedia. We offer a seamless flight booking experience, with a wide range of Fairfax County plane tickets to choose from. If you need help finding some of the best deals for cheap flights to Fairfax County in 2025, we are always available to assist you. Book your flights to Fairfax County today and let the adventure begin!

Find the best tickets to Fairfax County

To find some of the best tickets to Fairfax County in 2025, use Expedia's powerful search engine to compare dates and the different departure and arrival airports for your trip. Whether you're after direct flights to Fairfax County or last-minute flights to Fairfax County, you can filter and sort your search results, making it easy to find the ideal flight to Fairfax County.

Airlines fly to Fairfax County

There are 20 different airlines that fly to Fairfax County including some of the most trusted names in the business. To book flights to Fairfax County with your favourite airline, take a look at Expedia's flight listings and try out different dates to find some of the best Fairfax County plane tickets.

Find the cheapest flights to Fairfax County

By booking early you may find some of the best deals for Fairfax County flights from the UK, including Fairfax County direct flights. You can usually find affordable and cheap flights to Fairfax County, whether one-way from £348 or round-trip from £392, with Expedia if you book your trip far enough in advance.

Find the best airports for cheap flights to Fairfax County

Try searching for different Fairfax County airports with Expedia to find some of the cheapest flights to Fairfax County. Flights from London (LGW) to Washington (IAD) usually have the lowest price from £348.

Why book your flights to Fairfax County with Expedia

Expedia offers great deals on Fairfax County air fares from £348 to cater to every budget. Not only is Expedia one of the top platforms to book flights to Fairfax County from the UK, it is also your one-stop shop for booking hotels, car rentals, and more.

 

*Prices and availability are subject to change. Additional terms apply.

Fairfax County Flights Information

Airlines serving
TAP Portugal, Icelandair, Aer Lingus, JetBlue Airways, Austrian Airlines, Scandinavian Airlines, American Airlines, Royal Air Maroc, avianca
Roundtrip price
from £392

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, £392 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 London (LGW), you could've nabbed a low-cost fare for just £348 in the last seven days. Round-trip journeys to Fairfax County ranged from only £392 to £608 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 holiday 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 travelling 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 £392 and £608. 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
Thu, 8 Jan - Mon, 12 Jan
LHR
London
IAD
Washington
£392 Return, found 5 days ago
£392
Return
found 5 days ago
Select Icelandair flight, departing Thu, 8 Jan from London to Washington, returning Mon, 12 Jan, priced at £392 found 5 days ago
*Available to Expedia members.