Rio de Janeiro (GIG) to Cancun (CUN): 4,220 miles (6,792 km) great-circle, about 8h 55m nonstop by our estimate. Cheapest fare observed: $695 round-trip on Avianca, with 1 stop, departing May 2, 2026.
$695 round-trip, Avianca AV260, departing 2026-05-02 at 07:20, returning 2026-05-09. The recorded itinerary left on a Saturday, returning on a Saturday 7 nights later; the fare was observed 7 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $695, it ranked 16th of the 30 round-trip fares we recorded from GIG (median $649). That is 16.5 cents per great-circle mile (round-trip price over one-way distance), below the GIG median of 19.9 cents across 30 round-trip routes.
Routes from GIG of similar length: Miami (4,174 mi) at $717 and Orlando (4,361 mi) at $552.
GIG to CUN is the only one of 30 GIG routes where Avianca priced cheapest. It is the 16th longest of the 30 routes we track from GIG.
Of 25 departure airports with a fare to Cancun, Rio de Janeiro (GIG) ranked 22nd at $695. Lowest: $127 from Mexico City (MEX); highest: $2060 from Perth (PER); 4 nonstop. Cheapest-fare airlines (routes): Frontier (6), Aeromexico (4), Air Canada (3), American Airlines (2), Viva Aerobus (2) and AirAsia (1), plus 7 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/Cancun; flight time is our estimate.