£400 Cheap Flights to Washington County

View £400 flight on Mon, 7 Dec 2026Opens in a new window

Popular airlines to Washington County

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  • Delta

  • American Airlines

  • United

  • Southwest Airlines

  • Alaska Airlines

  • JetBlue Airways

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Cheap round-trip flights to Washington County

Prices were available within the past 7 days and start at £400 for one-way flights and £475 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Icelandair
Mon, 11 Jan - Thu, 21 Jan
LGW
London
IAD
Washington
£475 Return, found 1 day ago
£475
Return
found 1 day ago
Select Icelandair flight, departing Mon, 11 Jan from London to Washington, returning Thu, 21 Jan, priced at £475 found 1 day ago
Icelandair
Sat, 3 Oct - Thu, 8 Oct
LHR
London
IAD
Washington
£476 Return, found 2 hours ago
£476
Return
found 2 hours ago
Select Icelandair flight, departing Sat, 3 Oct from London to Washington, returning Thu, 8 Oct, priced at £476 found 2 hours ago
TAP Portugal
Fri, 30 Oct - Wed, 11 Nov
LGW
London
IAD
Washington
£476 Return, found 3 days ago
£476
Return
found 3 days ago
Select TAP Portugal flight, departing Fri, 30 Oct from London to Washington, returning Wed, 11 Nov, priced at £476 found 3 days ago
American Airlines
Tue, 8 Sept - Tue, 22 Sept
LGW
London
IAD
Washington
£503 Return, found 18 hours ago
£503
Return
found 18 hours ago
Select American Airlines flight, departing Tue, 8 Sept from London to Washington, returning Tue, 22 Sept, priced at £503 found 18 hours ago
KLM
Tue, 23 Mar - Wed, 31 Mar
LHR
London
IAD
Washington
£505 Return, found 6 days ago
£505
Return
found 6 days ago
Select KLM flight, departing Tue, 23 Mar from London to Washington, returning Wed, 31 Mar, priced at £505 found 6 days ago
British Airways
Wed, 4 Nov - Wed, 18 Nov
LHR
London
IAD
Washington
£507 Return, found 4 days ago
£507
Return
found 4 days ago
Select British Airways flight, departing Wed, 4 Nov from London to Washington, returning Wed, 18 Nov, priced at £507 found 4 days ago
Virgin Atlantic
Sun, 1 Nov - Mon, 30 Nov
LHR
London
IAD
Washington
£507 Return, found 3 days ago
£507
Return
found 3 days ago
Select Virgin Atlantic flight, departing Sun, 1 Nov from London to Washington, returning Mon, 30 Nov, priced at £507 found 3 days ago
Delta
Sun, 1 Nov - Mon, 30 Nov
LHR
London
IAD
Washington
£507 Return, found 3 days ago
£507
Return
found 3 days ago
Select Delta flight, departing Sun, 1 Nov from London to Washington, returning Mon, 30 Nov, priced at £507 found 3 days ago
Swiss International Air Lines
Thu, 5 Nov - Mon, 16 Nov
LGW
London
IAD
Washington
£508 Return, just found
£508
Return
just found
Select Swiss International Air Lines flight, departing Thu, 5 Nov from London to Washington, returning Mon, 16 Nov, priced at £508 just found
Austrian Airlines
Mon, 11 Jan - Thu, 21 Jan
LHR
London
IAD
Washington
£510 Return, found 1 day ago
£510
Return
found 1 day ago
Select Austrian Airlines flight, departing Mon, 11 Jan from London to Washington, returning Thu, 21 Jan, priced at £510 found 1 day ago

Trending flights to Washington 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
Mon, 11 Jan - Thu, 21 Jan
LGW
London
IAD
Washington
£475 Return, found 1 day ago
£475
Return
found 1 day ago
Select Icelandair flight, departing Mon, 11 Jan from London to Washington, returning Thu, 21 Jan, priced at £475 found 1 day ago

Frequently asked questions

How do I find cheap flights to Washington County that have flexible change policies?
We get that travel arrangements can change from one day to the next, so reserving a flexible fare with Expedia is always a smart move. Simply check the "No change fee" box under the "Flexible change policies" filter. Your well-priced and flexible flight to Washington County is just a few clicks away.
Which airlines fly to Washington County?
Allegiant Air is a renowned air carrier servicing Washington County. Look up airfares to Hagerstown Regional Airport (HGR) and you'll have 26 Allegiant Air flights per month to select from.
How can I find cheap tickets to Washington County?
For an unbeatable deal to Washington County, book well ahead of time. Also consider using Expedia's "flexible dates" link above your search results. This will show you the cheapest prices for similar time frames. In the last seven days, £475 was the lowest price for a flight to Washington County.
How much is a flight to Washington County?
If you were journeying one way from London (LHR), you could've snapped up a cheap seat for £400 in the last seven days. Return flights to Washington County ranged from only £475 to £510 over the same period.
What are the most popular airports to fly into in Washington County?
Washington County's principal airport is Hagerstown Regional Airport (HGR). Get your amazing journey underway by locking in a ticket on one of the 26 flights a month to this destination.
When is the cheapest time to fly to Washington County?
If you're not set on your travel dates to Washington County, depart early on in the week. The most economical day to take off is normally Tuesday, followed by Monday. Saturday is typically the most expensive day, with many people opting to fly on the weekend.
How much is a plane ticket to Washington County?
In the last seven days, airfares cost between £475 and £510. Browse through our unbeatable deals to Washington County, pick your favourite and then start packing!
What is the best time to go to Washington County?
One of the best times to head to Hagerstown is after June 20 when the summer season starts. In Washington County's busiest city, average temperatures fluctuate from 16ºC to 27ºC during this time — perfect weather for touring around! March, April and June are the most popular months for tourists.
What months are the cheapest to book a flight to Washington County?
The most cost-effective month to score a fabulous deal to Washington County is February, whereas prices rise considerably in December. Avoid this month if you're on a tight budget.

Book with confidence

Top tips for booking flights to Washington County from UK

Get ready to fly to Washington County

Prepare your luggage and book your flights to Washington County with Expedia. We offer a seamless flight booking experience, with a wide range of Washington County plane tickets to choose from. If you need help finding some of the best deals for cheap flights to Washington County in 2026, we are always available to assist you. Book your flights to Washington County today and let the adventure begin!

Find the best tickets to Washington County

To find some of the best tickets to Washington County in 2026, 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 Washington County or last-minute flights to Washington County, you can filter and sort your search results, making it easy to find the ideal flight to Washington County.

Airlines fly to Washington County

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

Find the cheapest flights to Washington County

By booking early you may find some of the best deals for Washington County flights from the UK, including Washington County direct flights. You can usually find affordable and cheap flights to Washington County, whether one-way from £400 or round-trip from £475, with Expedia if you book your trip far enough in advance.

Find the best airports for cheap flights to Washington County

Try searching for different Washington County airports with Expedia to find some of the cheapest flights to Washington County. Flights from London (LHR) to Washington (IAD) usually have the lowest price from £400.

Why book your flights to Washington County with Expedia

Expedia offers great deals on Washington County air fares from £400 to cater to every budget. Not only is Expedia one of the top platforms to book flights to Washington 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.

Top tips for booking flights to Washington County from UK

Travel information

Washington County Flights Information

Airlines serving
Lufthansa, Swiss International Air Lines, Austrian Airlines, Icelandair, Aer Lingus, Brussels Airlines, British Airways, TAP Portugal, American Airlines, KLM, Virgin Atlantic, Delta
Roundtrip price
from £475
Washington County Flights Information
*Available to Expedia members.