The cheapest London Gatwick to Singapore return flight on the radar right now is £369, flying with Air China via one or more connections. It covers departures in March 2027, and every dated link below opens that exact LGW–SIN search on Skyscanner. That is roughly 10% below the £411 this route usually costs. Across 73 recorded checks it has ranged between £357 and £695. Our sampling points to March 2027 as the cheapest month to fly London Gatwick to Singapore.
We do not post a price and leave it to age. Each fare is re-checked against Skyscanner on a schedule and carries the time it was last confirmed. Not flying from London Gatwick? We track 60 other departure cities for Singapore, listed at the foot of this page.
Cheap fares do not hang around. If this one has already gone, nudge the dates either way by a day or two; London Gatwick to Singapore is usually still decent value around the same window.