Singapore (SIN) to Guangzhou (CAN): 1,646 miles (2,648 km) great-circle, about 3h 45m nonstop by our estimate. Cheapest fare observed: $308 round-trip on Cathay Pacific, with 1 stop, departing May 7, 2026.
$308 round-trip, Cathay Pacific CX636, departing 2026-05-07 at 20:05, returning 2026-05-12. The recorded itinerary left on a Thursday, returning on a Tuesday 5 nights later; the fare was observed 12 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $308, it ranked 13th of the 30 round-trip fares we recorded from SIN (median $361). That is 18.7 cents per great-circle mile (round-trip price over one-way distance), close to the SIN median of 19.9 cents across 30 round-trip routes.
Routes from SIN of similar length: Hong Kong (1,594 mi) at $352 and Macau (1,575 mi) at $387.
Cathay Pacific had the cheapest fare on 2 of 30 SIN routes. It is the 16th longest of the 30 routes we track from SIN.
Of 28 departure airports with a fare to Guangzhou, Singapore (SIN) ranked 10th at $308. Lowest: $192 from Hanoi (HAN); highest: $1335 from San Francisco (SFO); 7 nonstop. Cheapest-fare airlines (routes): Cathay Pacific (4), Air China (3), 9 Air (2), China Eastern (2), Hainan Airlines (2) and Qatar (2), plus 11 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones Asia/Singapore, Asia/Shanghai; flight time is our estimate.