Booking with Air India 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from New Delhi to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, the most affordable month to book a Air India flight from New Delhi to Washington, D.C. Dulles Intl Airport in November, with an average price of ₹ 41,792. Conversely, traveling with Air India from New Delhi to Washington, D.C. Dulles Intl Airport in January will be the most expensive, with an average cost of ₹ 103,772. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 66.0 mm.
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).