Cancun (CUN) to Mexico City (MEX): 798 miles (1,285 km) great-circle, about 2h 05m nonstop by our estimate. Cheapest fare observed: $134 round-trip on Aeromexico, nonstop, departing April 28, 2026.
$134 round-trip, Aeromexico AM591, departing 2026-04-28 at 10:35, returning 2026-04-28. The recorded itinerary left on a Tuesday and came back the same day; the fare was observed 3 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $134, it ranked 2nd of the 30 round-trip fares we recorded from CUN (median $366). That is 16.8 cents per great-circle mile (round-trip price over one-way distance), below the CUN median of 20.7 cents across 30 round-trip routes.
Routes from CUN of similar length: Oaxaca (701 mi) at $168 and Monterrey (900 mi) at $97.
Aeromexico had the cheapest fare on 9 of 30 CUN routes. It is the 25th longest of the 30 routes we track from CUN.
Of 24 departure airports with a fare to Mexico City, Cancun (CUN) ranked 3rd at $134. 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.
The reverse, Mexico City (MEX) to Cancun (CUN), was $127 round-trip on Viva Aerobus, nonstop, departing June 12, 2026. Mexico City to Cancun flights.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Cancun, America/Mexico_City; flight time is our estimate.