Rio de Janeiro (GIG) to Mexico City (MEX): 4,763 miles (7,666 km) great-circle, about 10h 00m nonstop by our estimate. Cheapest fare observed: $855 round-trip on Copa, with 1 stop, departing June 25, 2026.
$855 round-trip, Copa CM872, departing 2026-06-25 at 01:30, returning 2026-06-25. The recorded itinerary left on a Thursday and came back the same day; the fare was observed 61 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $855, it ranked 20th of the 30 round-trip fares we recorded from GIG (median $649). That is 17.9 cents per great-circle mile (round-trip price over one-way distance), close to the GIG median of 19.9 cents across 30 round-trip routes.
Routes from GIG of similar length: Boston (4,839 mi) at $820 and Madrid (5,063 mi) at $1334.
GIG to MEX is the only one of 30 GIG routes where Copa priced cheapest. It is the 14th longest of the 30 routes we track from GIG.
Of 24 departure airports with a fare to Mexico City, Rio de Janeiro (GIG) ranked 23rd at $855. Lowest: $73 from Guadalajara (GDL); highest: $1375 from Addis Ababa (ADD); 13 nonstop. Cheapest-fare airlines (routes): Volaris (6), Viva Aerobus (5), Aeromexico (4), Arajet (2), Copa (1) and Ethiopian (1), plus 5 more.
That depends on your passport and trip, so check the official source for Mexico: Instituto Nacional de Migracion (Mexico). Connecting elsewhere? Check that country's transit rules too.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Sao_Paulo, America/Mexico_City; flight time is our estimate.