Booking with SWISS 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Johannesburg OR Tambo Airport to Barcelona-El Prat Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
For Economy class flights the cheapest month to fly the route is February. The most expensive months are July and March.
In terms of precipitation, rainfall in Barcelona-El Prat Airport ranges from 20.0 - 91.0 inches per month. October is typically the wettest month, when rainfall can reach 91.0 mm. July is typically the driest time to visit Barcelona-El Prat Airport when rainfall is around 20.0 mm.
If weather is an important factor for your trip to Barcelona-El Prat Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 24.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).
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