Booking with United Airlines 65 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to San José. 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 United Airlines flight from London Heathrow Airport to San José in February, with an average price of £480. Conversely, traveling with United Airlines from London Heathrow Airport to San José in December will be the most expensive, with an average cost of £667. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
In terms of precipitation, rainfall in San José ranges from 0.0 - 300.0 inches per month. September is typically the wettest month, when rainfall can reach 300.0 mm. February is typically the driest time to visit San José when rainfall is around 0.0 mm.
If weather is an important factor for your trip to San José, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 18.0 C).
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