Currently, the most affordable month to book a British Airways flight from London Heathrow Airport to Washington, D.C. in January, with an average price of £598. Conversely, traveling with British Airways from London Heathrow Airport to Washington, D.C. 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
£479
February
£498
March
£559
April
£537
May
£595
June
£672
July
£675
August
£603
September
£554
October
£520
November
£482
December
£495
WAS Temperature | 2 - 27 °C |
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If weather is an important factor for your trip to Washington, D.C., 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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