Yes, there are multiple flights from Byron Gateway to Changi Intl for under S$ 1,326. The cheapest flight booked recently is on Singapore Airlines for just S$ 1,250, but on average you can expect to pay S$ 1,351.
There are no direct flights from Byron Gateway to Changi Intl, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.
Flights from Ballina Byron to Singapore Changi have been viewed 98 times in the past calendar month.
Airlines like Qantas Airways and Singapore Airlines fly from Byron Gateway to Changi Intl in about 16h 40m. The time it takes to get you to your destination can typically vary by up to 11h 05m. This flight may include one or multiple stops.
Cheapflights users have booked flights from Byron Gateway to Changi Intl from S$ 1,251 return. Another airline that can offer you cheap pricing is Qantas Airways.