Flying into Banjul Airport is typically the best way to visit Kololi Beach, since it is the closest airport to the area.
The best prices found on momondo for flights to Gambia are:
$186 per person with Vueling
$228 per person with ASKY
$237 per person with TAP AIR PORTUGAL
Gambia has suspended all flights except for medical, humanitarian, and repatriation flights. If you are planning to travel to Gambia at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.