Cheap flights from Heathrow to Washington
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The best prices from Heathrow to Washington are usually found in November or February, booked 28 days in advance, depart on a Wednesday or Thursday and return on a Sunday
How to find the cheapest flight from
Heathrow (LHR) to Washington (WAS)
LHR - WAS
£418 - £721
9 - 32 °C
60 - 107 mm
High demand for flights, 24% potential price rise
Best time to find cheap flights, 23% potential price drop
From Heathrow to Washington
One-way flight from Heathrow to Washington
What is the cheapest day to fly return from Heathrow to Washington?
Travellers have found that booking a Tuesday departure is the best way to save up to 19% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.
How far in advance should I book a flight from Heathrow to Washington?
Find a great deal and save up to 27% by booking at least 34 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Heathrow to Washington within the next two weeks, with the cheapest ticket starting at £549.
What is the cheapest month to fly from Heathrow to Washington?
Flights from Heathrow to Washington lean towards being more expensive in July. Prices are generally better when you fly from Heathrow to Washington in February, with the cheapest ticket starting at £336.
When is the cheapest time to fly from Heathrow to Washington (LHR - WAS)?
A simple way to save on the total cost of your ticket is to fly from Heathrow to Washington at midday. If you’re flexible enough to do this you can expect to save up to 6% on your trip compared to booking a flight in the morning.
Cheap flights from Heathrow to Washington in November, December 2020
Heathrow to Washington 2021 flight deals
Direct flights to Washington from Heathrow
Last-minute flights from Heathrow to Washington
One-way flights to Washington from Heathrow
The cheapest one-way flights from Heathrow to Washington
Related info for your journey
Useful info, stats and facts about Heathrow to Washington flights.
Destination information for Washington
Things to know before you go. Useful info for your trip from Heathrow to Washington
Airports servicing Washington
Top 10 airlines from Heathrow to Washington
The chart below displays the airlines Cheapflights users travelling from Heathrow to Washington choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Popular flight searches
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Hourly flight availability from Heathrow to Washington
|Morning 6 AM to midday||62% of flight departures|
|Afternoon Midday to 6 PM||37% of flight departures|
|Early morning Midnight to 6 AM||1% of flight departures|
|Evening 6 PM to midnight||0% of flight departures|