Yes, there are multiple flights from Singapore to Lome for under S$ 2,545. The cheapest flight booked recently is on Air France for just S$ 2,531, but on average you can expect to pay S$ 2,569.
Due to the rapidly changing circumstances due to COVID-19, airlines like Ethiopian Air flying from Singapore to Lomé have implemented new flexible change policies.
There are no direct flights from Singapore to Lome, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
Air France and KLM can get you from Singapore to Lome in just under 26h 35m. Your travel time can differ by up to 1h 45m. This flight may include one or multiple stops.
Flying on Air France is currently your cheapest option to Lome, with prices starting at S$ 2,532. Another option worth looking into is KLM, starting at S$ 2,585 return.