Colombo (CMB) to Guangzhou (CAN): 2,483 miles (3,995 km) great-circle, about 5h 30m nonstop by our estimate. Cheapest fare observed: $498 round-trip on Air China, with 1 stop, departing June 6, 2026.
$498 round-trip, Air China CA426, departing 2026-06-06 at 22:15, returning 2026-06-21. The recorded itinerary left on a Saturday, returning on a Sunday 15 nights later; the fare was observed 42 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $498, it ranked 16th of the 30 round-trip fares we recorded from CMB (median $495). That is 20.1 cents per great-circle mile (round-trip price over one-way distance), below the CMB median of 22.4 cents across 30 round-trip routes.
Routes from CMB of similar length: Almaty (2,505 mi) at $691 and Tashkent (2,443 mi) at $699.
Air China had the cheapest fare on 2 of 30 CMB routes. It is the 17th longest of the 30 routes we track from CMB.
Of 28 departure airports with a fare to Guangzhou, Colombo (CMB) ranked 19th at $498. 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/Colombo, Asia/Shanghai; flight time is our estimate.