Booking with Finnair 42 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to New York. 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 Finnair flight from London Heathrow Airport to New York in October, with an average price of £319. Conversely, traveling with Finnair from London Heathrow Airport to New York in June will be the most expensive, with an average cost of £393. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
The most Finnair flights from LHR to NYC are scheduled on a Wednesday (14 on average). You will have fewer Finnair flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).
In terms of precipitation, rainfall in New York ranges from 71.0 - 114.0 inches per month. July is typically the wettest month, when rainfall can reach 114.0 mm. February is typically the driest time to visit New York when rainfall is around 71.0 mm.
If weather is an important factor for your trip to New York, 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 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 1.0 C).
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