LON - IAD Price
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£579 - £835
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IAD Temperature
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2 - 27 °C
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IAD Rainfall
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66 - 102 mm
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Popular in August High demand for flights, 18% potential price rise |
Cheapest in February Best time to find cheap flights, 15% potential price drop |
Round-trip from £472 From London (LON) to Washington, D.C. Dulles Intl |
One-way from £278 One-way flight from London (LON) to Washington, D.C. Dulles Intl |
When flying from London to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Travelers have found it’s best to book a flight 34 days in advance to save up to 27% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 34 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from London to Washington, D.C. Dulles Intl Airport 1-2 weeks in advance for as low as £597, or £697 for flights within the next 24 hours.
February can be a great time to fly to Washington, D.C. Dulles Intl Airport from London with a flight ticket averaging about £546. Cheapflights users have found deals in the month of February for as cheap as £365. The most expensive prices can be found in the month of July.
British Airways, Virgin Atlantic, and Lufthansa are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.
Yes, there are multiple flights from London to Washington, D.C. Dulles Intl Airport for under £400. The cheapest flight booked recently is on Multiple Airlines for just £362, but on average you can expect to pay £390.
Cheapflights has at least 20 direct flights from London to Washington, D.C. Dulles Intl Airport under £600. A good price for a nonstop flight from London to Washington, D.C. Dulles Intl Airport is less than £588.
There are currently 20+ open flights from London to Washington, D.C. Dulles Intl Airport within the next 7 days for less than £500.
Our cheapest airline available from London to Washington, D.C. Dulles Intl Airport is TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as £379 on this airline. An additional option worth looking into is Icelandair, starting at £387. Users have found that TAP AIR PORTUGAL is 32% cheaper than the other options available to this destination.
The most popular flight routes from London to Washington, D.C. Dulles Intl Airport are London Heathrow - Washington, D.C. Dulles Intl, London Gatwick - Washington, D.C. Dulles Intl and London City - Washington, D.C. Dulles Intl.
On average you can expect to pay £2,156 for a flight from London to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is £501 while the most popular route, (London Heathrow - Washington, D.C. Dulles Intl) is currently priced at £391.
Before booking your flight to Washington, D.C. Dulles Intl Airport from London, check out the most reliable airlines to get you to your destination on time: Singapore Airlines (92%), KLM (92%), Delta( 92%).
The most popular airlines flying from London to Washington, D.C. Dulles Intl Airport are American Airlines, Air Canada and Air France. Something to consider prior to booking your flight.
Information is based on travel restrictions from London to Washington, D.C. Dulles Intl
Most visitors from London need to provide a negative COVID-19 test result and/or quarantine to enter Washington, D.C. Dulles Intl.
COVID-19 testing requirements
Visitors from London must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 1 day for RT-PCR (NAAT) and 1 day for Antigen (quick-test) before departing to Washington, D.C. Dulles Intl.
Quarantine requirements
Visitors from London are not required to quarantine after entering Washington, D.C. Dulles Intl.
Returning to London from Washington, D.C. Dulles Intl
COVID-19 testing requirements
Visitors from Washington, D.C. Dulles Intl are not required to present a negative COVID-19 PCR test or antigen result upon entering London.
Quarantine requirements
Visitors from Washington, D.C. Dulles Intl are not required to quarantine after entering London.
Airline | Cheapest | Average | Flexibility | On-time | COVID-19 safety | |
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£304 | £676 | No cancel fee | 77% |
Search Air France flights
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£312 | £462 | No cancel fee | N/A |
Search TAP AIR PORTUGAL flights
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£379 | £528 | No cancel fee | 76% |
Search Icelandair flights
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£419 | £546 | No cancel fee | N/A |
Search Aer Lingus flights
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£440 | £532 | No cancel fee | 77% |
Search Scandinavian Airlines flights
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£472 | £735 | No cancel fee | 75% |
Search KLM flights
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£491 | £679 | No cancel fee | 77% |
Search Iberia flights
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£493 | £696 | No cancel fee | 69% |
Search United Airlines flights
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£493 | £668 | No cancel fee | 72% |
Search Virgin Atlantic flights
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£499 | £569 | No cancel fee | 67% |
Search Air Canada flights
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Morning 6 AM to midday | 85% of flight departures |
Afternoon Midday to 6 PM | 14% of flight departures |
Early morning Midnight to 6 AM | 1% of flight departures |
Evening 6 PM to midnight | 0% of flight departures |