The Airlines Reporting Corporation (RAC) is a group of the world's major airlines and travel agencies that sell tickets. In the last few years, the lowest price has emerged on Sundays. This doesn't mean you to fly on Sunday you just to book tickets on Sunday. It will save you 5% on domestic flights and 10% 0n international ones.
If you have to fly to Bogota, Colombia, you must have to book tickets 21 days before travel if u r traveling in domestic, and if you are flying to Bogota, Colombia, from another country, you must book the flight 28 days before they travel. If you fly In January, this is the cheapest month of the year to fly on domestic airlines to Bogota, Colombia. And for the international, August is the cheapest month to get cheap flights to Bogota, Columbia. This is the only trick to booking flights at reasonable rates.