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 £856. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
£476
February
£495
March
£556
April
£535
May
£601
June
£680
July
£682
August
£605
September
£548
October
£519
November
£479
December
£493
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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