Cheap flights from Heathrow to Washington

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The best prices from Heathrow to Washington are usually found in February or January, booked 60 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
Price
£340 - £792
WAS
Temperature
9 - 32 °C
WAS
Rainfall
60 - 107 mm
Popular in July High demand for flights, 32% potential price rise
Cheapest in February Best time to find cheap flights, 37% potential price drop
Round-trip from NT$ 340 From Heathrow to Washington
One-way from NT$ 285 One-way flight from Heathrow to Washington
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
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 20% by booking at least 61 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 £469.

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 £296.

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 September, October 2020

The best prices found for LHR to WAS flights in September, October
2 Oct - 26 Oct
£415pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
28 Oct - 4 Nov
£444pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Multiple Airlines
     
3 STOPS
LHR
London Heathrow
29 Oct - 5 Nov
£448pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow

Heathrow to Washington 2020 flight deals

Cheap flights to Washington from Heathrow found for this year
20 Nov - 23 Nov
£408pp
LHR
London Heathrow
Austrian Airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Austrian Airlines
Direct
LHR
London Heathrow
2 Oct - 26 Oct
£415pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
7 Dec - 28 Apr
£425pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow

Direct flights to Washington from Heathrow

Save time with Heathrow to Washington direct flight deals
8 Mar - 22 Mar
£507pp
LHR
London Heathrow
KLM
Direct
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
KLM
Direct
LHR
London Heathrow
25 Nov - 30 Nov
£508pp
LHR
London Heathrow
Lufthansa
Direct
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Lufthansa
Direct
LHR
London Heathrow
25 Nov - 30 Nov
£513pp
LHR
London Heathrow
KLM
Direct
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
KLM
Direct
LHR
London Heathrow

Last-minute flights from Heathrow to Washington

Late deals on return flights to Washington from Heathrow, departing today and this week
22 Sep - 6 Nov
£469pp
LHR
London Heathrow
Multiple airlines
     
3 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
22 Sep - 6 Nov
£476pp
LHR
London Heathrow
TAP AIR PORTUGAL
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
TAP AIR PORTUGAL
 
1 STOP
LHR
London Heathrow
23 Sep - 30 Sep
£495pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

One-way flights to Washington from Heathrow

The cheapest one-way flights from Heathrow to Washington
01:00 - 09:10
TAP AIR PORTUGAL
1 stop
13h 10m
LHR - IAD
TAP AIR PORTUGAL
£221
Gotogate
09:45 - 19:00
TAP AIR PORTUGAL
1 stop
14h 15m
LHR - IAD
TAP AIR PORTUGAL
£222
mytrip.com
09:45 - 19:00
TAP AIR PORTUGAL
1 stop
14h 15m
LHR - IAD
TAP AIR PORTUGAL
£223
mytrip.com

Related info for your journey

Useful info, stats and facts about Heathrow to Washington flights.

Flight FAQs

From Heathrow to Washington

Are flight prices decreasing from Heathrow to Washington due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Heathrow and Washington for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Heathrow to Washington for under £500 on Cheapflights?

Yes, there are multiple flights from Heathrow to Washington for under £500. The cheapest flight booked recently is on Austrian Airlines for just £408, but on average you can expect to pay £445.

Are there direct flights from Heathrow to Washington for under £600 on Cheapflights?

Cheapflights has 20 direct flights from Heathrow to Washington under £600. A good price for a direct flight from Heathrow to Washington is less than £524.

Are there last-minute flights available from Heathrow to Washington for under £500?

There are currently 20+ open flights from Heathrow to Washington within the next 7 days for less than £500.

Is Heathrow weather warmer or cooler than Washington?

Our data indicates that the weather will be 32 °C on average in the month of July. The temperature in Washington is typically hotter than in Heathrow. If you're traveling when the temperature is at its warmest, push to plan early, as flight price and availability will have an impact on your travels. For the best results, search for flights well in advance or after peak season.

How long does is the flight from Heathrow to Washington?

For as low as £404, British Airways can have you in Washington from Heathrow in 8h 25m. This flight may include one or multiple stops.

What are the cheapest airlines to flying from Heathrow to Washington return?

According to our current data, Austrian Airlines (£316), TAP AIR PORTUGAL (£351), and Icelandair (£355) offers the cheapest pricing from Heathrow to Washington. Users have found that Austrian Airlines is 41% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Heathrow to Washington one-way?

For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as £221.

Destination information for Washington

Things to know before you go. Useful info for your trip from Heathrow to Washington
Today's exchange rate
£1 = $1.30
Flight duration
7h 40m
Average temperature for September in Washington
28.0 °C
Avg rainfall for September in Washington
107.0 mm

Airports servicing London

Airports servicing Washington

Reagan National (DCA)

Hourly flight availability from Heathrow to Washington

Morning 6 AM to midday 50% of flight departures
Afternoon Midday to 6 PM 50% of flight departures
Early morning Midnight to 6 AM 0% of flight departures
Evening 6 PM to midnight 0% of flight departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Heathrow to Washington
Sunday
11 daily flights
Monday
11 daily flights
Tuesday
11 daily flights
Wednesday
11 daily flights
Thursday
11 daily flights
Friday
11 daily flights
Saturday
11 daily flights