Currently, September is the cheapest month in which you can book a First Class flight from United Kingdom to North America (average of £1,929). Flying from United Kingdom to North America in December is currently the most expensive (average of £3,111). There are several factors that can impact the price of a flight, so comparing airlines, departure airports, and flight times can provide users with more options.
You can book First Class flights to North America with British Airways, the most popular airline with the premium cabin at this moment.
In terms of precipitation, rainfall in North America 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 North America when rainfall is around 71.0 mm.
If weather is an important factor for your trip to North America, 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).