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 June will be the most expensive, with an average cost of £857. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
£479
February
£498
March
£559
April
£537
May
£600
June
£686
July
£684
August
£615
September
£549
October
£512
November
£480
December
£496
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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