Currently, the most affordable month to book a Virgin Atlantic flight from London Heathrow Airport to Washington, D.C. Dulles Intl Airport in January, with an average price of £598. Conversely, traveling with Virgin Atlantic from London Heathrow Airport to Washington, D.C. Dulles Intl Airport in July will be the most expensive, with an average cost of £844. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
£477
February
£496
March
£557
April
£535
May
£593
June
£670
July
£673
August
£601
September
£552
October
£518
November
£480
December
£494
WAS Temperature | 2 - 27 °C |
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If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).
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