LHR - IAD Price
|
£407 - £657
|
IAD Temperature
|
8 - 31 °C
|
IAD Rainfall
|
64 - 113 mm
|
Popular in August High demand for flights, 23% potential price rise |
Cheapest in November Best time to find cheap flights, 20% potential price drop |
Round-trip from £407 From Heathrow to Washington Dulles Intl |
One-way from £248 One-way flight from Heathrow to Washington Dulles Intl |
Saturday flights are found to be more expensive to fly from Heathrow to Washington Dulles Intl. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington Dulles Intl.
To save up to 27% on this flight, we recommend booking at least 34 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Heathrow to Washington Dulles Intl from £536 1-2 weeks out and tickets from £626 for flights departing within the next 72 hours.
The best pricing can be found in the month of February. Prices to Washington Dulles Intl from Heathrow average £490. You can even find prices in February for less than £490, as users have found deals to Washington Dulles Intl from as low as £328. The month of July appears to be one of the more expensive times to travel to Washington Dulles Intl from Heathrow. Flying in the targeted month can save you up to 21%.
A simple way to save on the total cost of your ticket is to fly from Heathrow to Washington Dulles Intl in the evening. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the morning.
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 Dulles Intl 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.
New policies can now be found on Delta and Alitalia to help keep travellers safe while flying. New policies for travellers booking flights from London Heathrow to Washington Dulles Intl include masks being provided and required on board, daily cleaning and sanitisation, use of HEPA filters, pre-flight testing for antibodies and symptoms, and socially-distanced seating (for a limited time). Keep in mind that policies will vary by airline.
Due to the rapidly changing circumstances due to COVID-19, airlines like Virgin Atlantic, United Airlines, and Aer Lingus flying from London Heathrow to Washington Dulles Intl have implemented new flexible cancellation policies.
Yes, there are multiple flights from Heathrow to Washington Dulles Intl for under £293. The cheapest flight booked recently is on United Airlines for just £264, but on average you can expect to pay £283.
Cheapflights has 20 direct flights from Heathrow to Washington Dulles Intl under £366. A good price for a direct flight from Heathrow to Washington Dulles Intl is less than £346.
There are currently 20+ open flights from Heathrow to Washington Dulles Intl within the next 7 days for less than £293.
In Heathrow, there will be less rainfall in Heathrow compared to Washington Dulles Intl over the next 24 days.
You can imagine temperatures to be in the 31 °C range in July. The weather in Washington Dulles Intl is generally hotter than Heathrow's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.
A quick flight from Heathrow to Washington Dulles Intl can take about 8h 20m. Virgin Atlantic provides one of the quickest options available for as low as £314. Both multi-stop and direct flights can be found to your destination and back.
Our cheapest airline available from Heathrow to Washington Dulles Intl is United Airlines. Our recent data shows that you can find tickets from as low as £264 on this airline. Additional options worth looking into are Virgin Atlantic and Austrian Airlines, starting at £265 and £271 round-trip. United Airlines is 48% cheaper than the average price of flights available within the next 90 days to this destination.
To fly one-way, consider booking your trip with Virgin Atlantic, which is currently one of the cheapest options available, starting at £235. KLM flights start at £248 while deals on British Airways start at £249 one-way.
The chart below displays the airlines Cheapflights users travelling from Heathrow to Washington Dulles Intl choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline | Cheapest | Average | Flexibility | On-time | COVID-19 safety | |
---|---|---|---|---|---|---|
![]() |
£420 | £568 | No cancel fee | N/A |
Search TAP AIR PORTUGAL flights
|
|
![]() |
£394 | £653 | No cancel fee | 67% |
Search Air Canada flights
|
|
![]() |
£491 | £714 | No cancel fee | 76% |
Search Icelandair flights
|
|
![]() |
£414 | £725 | No cancel fee | 77% |
Search SAS flights
|
|
![]() |
£477 | £758 | No cancel fee | 71% |
Search American Airlines flights
|
|
![]() |
£479 | £779 | No cancel fee | N/A |
Search Brussels Airlines flights
|
|
![]() |
£480 | £790 | No cancel fee | 75% |
Search KLM flights
|
|
![]() |
£500 | £815 | No cancel fee | 76% |
Search Finnair flights
|
|
![]() |
£474 | £867 | No cancel fee | 76% |
Search Lufthansa flights
|
|
![]() |
£458 | £870 | No cancel fee | N/A |
Search Delta flights
|
Afternoon Midday to 6 PM | 100% of flight departures |
Early morning Midnight to 6 AM | 0% of flight departures |
Morning 6 AM to midday | 0% of flight departures |
Evening 6 PM to midnight | 0% of flight departures |