Booking with Air India 14 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Chennai. 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 London Heathrow Airport to Chennai in August, with an average price of £358. Conversely, traveling with Air India from London Heathrow Airport to Chennai in July will be the most expensive, with an average cost of £418. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
In terms of precipitation, rainfall in Chennai ranges from 10.0 - 330.0 inches per month. November is typically the wettest month, when rainfall can reach 330.0 mm. February is typically the driest time to visit Chennai when rainfall is around 10.0 mm.
If weather is an important factor for your trip to Chennai, use this chart to help with planning. For those seeking warmer temperatures, May is the ideal time of year to visit, when temperatures reach an average of 33.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 25.0 C).
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