The best time to book a flight to Colombo Bandaranaike Intl Airport with SriLankan Airlines is 40 days before departure. On average, fares are higher if you book 42 days before departure.
For Economy class flights, the cheapest month to fly this route is October. The most expensive months are May and December.
In terms of precipitation, rainfall in Colombo Bandaranaike Intl Airport ranges from 60.0 - 350.0 inches per month. October is typically the wettest month, when rainfall can reach 350.0 mm. February is typically the driest time to visit Colombo Bandaranaike Intl Airport when rainfall is around 60.0 mm.
If weather is an important factor for your trip to Colombo Bandaranaike Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).
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