Popular airlines from Washington to London (LHR-Heathrow)
IberiaIberia
British AirwaysBritish Airways
Virgin AtlanticVirgin Atlantic
FinnairFinnair
Aer LingusAer Lingus
Air CanadaAir Canada
IcelandairIcelandair
Be in the knowGet alerts if flight prices drop or rise*
Book smarterSave up to 30% on select hotels after you book a flight*
Today's featured flight deals from Washington to London (LHR-Heathrow)
- Washington (IAD) to London (LHR).British Airways, nonstop.Departing on Mon, Jan 19 at 6:20pm from Washington, arriving on Tue, Jan 20 at 6:30am in London.Returning on Fri, Jan 23 at 9:20am from London, arriving at 4:19pm in Washington.Select British Airways flight departing on Mon, Jan 19 at 6:20pm from Washington, returning on Fri, Jan 23 at 9:20am from London priced at $82835% less than typical$828
- Washington (IAD) to London (LHR).United, nonstop.Departing on Thu, Jan 15 at 10:15pm from Washington, arriving on Fri, Jan 16 at 10:50am in London.Returning on Tue, Jan 20 at 9:00am from London, arriving at 4:40pm in Washington.Select United flight departing on Thu, Jan 15 at 10:15pm from Washington, returning on Tue, Jan 20 at 9:00am from London priced at $61340% less than typical$613
- Washington (IAD) to London (LHR).Virgin Atlantic, nonstop.Departing on Wed, Jan 14 at 10:20pm from Washington, arriving on Thu, Jan 15 at 10:50am in London.Returning on Sun, Jan 18 at 8:40am from London, arriving at 4:05pm in Washington.Select Virgin Atlantic flight departing on Wed, Jan 14 at 10:20pm from Washington, returning on Sun, Jan 18 at 8:40am from London priced at $61440% less than typical$614
- Washington (IAD) to London (LHR).Virgin Atlantic, nonstop.Departing on Fri, Dec 12 at 10:20pm from Washington, arriving on Sat, Dec 13 at 10:50am in London.Returning on Tue, Dec 16 at 10:00am from London, arriving at 4:05pm in Washington.Select Virgin Atlantic flight departing on Fri, Dec 12 at 10:20pm from Washington, returning on Tue, Dec 16 at 10:00am from London priced at $92525% less than typical$925
- Washington (IAD) to London (LHR).British Airways, nonstop.Departing on Fri, Jan 16 at 9:45pm from Washington, arriving on Sat, Jan 17 at 10:00am in London.Returning on Wed, Jan 21 at 12:10pm from London, arriving at 3:35pm in Washington.Select British Airways flight departing on Fri, Jan 16 at 9:45pm from Washington, returning on Wed, Jan 21 at 12:10pm from London priced at $64135% less than typical$641
- Washington (IAD) to London (LHR).Virgin Atlantic, nonstop.Departing on Fri, Dec 12 at 10:20pm from Washington, arriving on Sat, Dec 13 at 10:50am in London.Returning on Thu, Dec 18 at 10:00am from London, arriving at 4:05pm in Washington.Select Virgin Atlantic flight departing on Fri, Dec 12 at 10:20pm from Washington, returning on Thu, Dec 18 at 10:00am from London priced at $92525% less than typical$925
- Washington (IAD) to London (LHR).British Airways, nonstop.Departing on Sun, Jan 18 at 6:20pm from Washington, arriving on Mon, Jan 19 at 6:30am in London.Returning on Thu, Jan 22 at 9:20am from London, arriving at 4:19pm in Washington.Select British Airways flight departing on Sun, Jan 18 at 6:20pm from Washington, returning on Thu, Jan 22 at 9:20am from London priced at $91625% less than typical$916
- Washington (IAD) to London (LHR).Virgin Atlantic, nonstop.Departing on Sat, Dec 13 at 10:20pm from Washington, arriving on Sun, Dec 14 at 10:50am in London.Returning on Sat, Dec 20 at 10:10am from London, arriving at 4:48pm in Washington.Select Virgin Atlantic flight departing on Sat, Dec 13 at 10:20pm from Washington, returning on Sat, Dec 20 at 10:10am from London priced at $1,03420% less than typical$1,034
- Washington (IAD) to London (LHR).Virgin Atlantic, nonstop.Departing on Fri, Dec 12 at 10:20pm from Washington, arriving on Sat, Dec 13 at 10:50am in London.Returning on Thu, Dec 18 at 4:50pm from London, arriving at 8:30pm in Washington.Select Virgin Atlantic flight departing on Fri, Dec 12 at 10:20pm from Washington, returning on Thu, Dec 18 at 4:50pm from London priced at $95420% less than typical$954
Cheap Flights from Washington to London (WAS-LHR)
Prices were available within the past 7 days and start at $299 for one-way flights and $417 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Find the cheapest month to fly from Washington (WAS) to London (LHR)
November is typically the cheapest month to fly
Alternative airports near London
Prices were available within the past 7 days. Prices and availability are subject to change.
Origin airport | Washington Dulles Intl. |
|---|---|
Destination airport | Heathrow |
Roundtrip price | $416 |
Distance | 3666 mi |
Washington to London Flights
The cheapest times to fly from Washington to London
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to London are during the month of February. You can find some of the cheapest flights from Washington to London with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Washington to London
Sunday is one of the best days to book for cheap flights from Washington to London: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Washington to London
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to London in 2026. You can also book with separate airlines for your outbound and return journeys, from $299 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to London flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to London airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Explore a world of travel with Expedia
Lodging
- Hotels near Heathrow Terminals 2 & 3 Underground Station
- Aparthotels in Heathrow Terminals 2 & 3 Underground Station
- Hotels near Heathrow Terminals 2 & 3 Station
- Hotels near Heathrow Villages
- Hotels near Heathrow Terminal 4 Station
- Hotels near Heathrow Terminal 4 Underground Station
- Houseboats in Heathrow Terminal 4 Station
- Hotels near Longford
- Gay friendly Hotels in Longford
- Hotels near Hatton Cross Underground Station
- Apartments in Hatton Cross Underground Station
- Hotels near Harlington
- Cheap Hotels in Harlington
- Pet-friendly Hotels in Harlington
- Family Hotels in Harlington
- Historic Hotels in Harlington
- Hotels with Restaurants in Harlington
- Resorts & Hotels with Spas in Harlington
- Golf Hotels in Harlington
- Hotels near Stanwell
- Family Hotels in Stanwell
- Hotels near Heathrow Terminal 5 Station
- Hotels near Harmondsworth
- Hotels near Hatton
- Apartments in Heathrow Terminal 5 Station
- Cottages in Heathrow Terminal 5 Station
- Hostels in Heathrow Terminal 5 Station
- Luxury Hotels in Cranford
- Hotels near Cranford
- 3 Star Hotels in Cranford
- West Drayton Hotels
- Houseboats in West Drayton
- B&B in West Drayton
- Hostels in West Drayton
- Vacation Homes in West Drayton
- Cheap Hotels in West Drayton
- Pet-friendly Hotels in West Drayton
- Hotels with Hot Tubs in West Drayton
- Family Hotels in West Drayton
- Hotel Wedding Venues Hotels in West Drayton
- Cabin Rentals in West Drayton
- Resorts & Hotels with Spas in West Drayton
- Hotels with an Outdoor Pool in West Drayton
- Hotel with a Concierge Hotels in West Drayton
- Hotels with Connecting Rooms in West Drayton
- Hotels with Laundry Facilities in West Drayton
- Hotels near Feltham West
- Hotels near Feltham Station
- Feltham Hotels
- Hostels in Feltham
- Cheap Hotels in Feltham
- Hotel Wedding Venues Hotels in Feltham
- Aparthotels in Feltham
- Apartments in Feltham
- Hotels with Air Conditioning in Feltham
- Luxury Hotels in Feltham
- Villas in Feltham
- Houseboats in Feltham
- Ashford Hotels
- Travelodge UK Hotels in Ashford
- Aparthotels in Ashford
- Hotels near Heston West
- Gay friendly Hotels in Heston West
- Hotels near Stockley Park
- Hotels near Hounslow West Underground Station
- B&B in Hounslow West Underground Station
- Hotels near Colnbrook
- Historic Hotels in Colnbrook
- Waterpark Hotels in Colnbrook
- Luxury Hotels in Colnbrook