Go through your results for flights to Barranquila in Colombia with Netflights. Although KLM usually has the best prices, it's best to double check what's available for your travel dates.
Flexible on dates? Conducting your search by month allows you to compare prices to Barranquila throughout the year. Accommodation prices will also be higher at this time of year.
Look out for flights with KLM, as they often have good deals. Or broaden your search by looking at other airports in Colombia.
You can also broaden your search by looking at more than one departure airport. Have a look around – you might be able to save by flying from a different airport or city.