Mexico City (MEX) to Guangzhou (CAN): 8,761 miles (14,099 km) great-circle, about 18h 00m nonstop by our estimate. Cheapest fare observed: $1289 round-trip on Aeromexico, with 1 stop, departing May 7, 2026.
$1289 round-trip, Aeromexico AM90, departing 2026-05-07 at 20:40, 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 $1289, it ranked 26th of the 30 round-trip fares we recorded from MEX (median $329). That is 14.7 cents per great-circle mile (round-trip price over one-way distance), below the MEX median of 18.3 cents across 30 round-trip routes.
Routes from MEX of similar length: Bangkok (9,781 mi) at $1428 and Tbilisi (7,629 mi) at $1379.
Aeromexico had the cheapest fare on 2 of 30 MEX routes. It is the 2nd longest of the 30 routes we track from MEX.
Of 28 departure airports with a fare to Guangzhou, Mexico City (MEX) ranked 27th at $1289. 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 America/Mexico_City, Asia/Shanghai; flight time is our estimate.