Mexico City (MEX) to Cancun (CUN): 798 miles (1,285 km) great-circle, about 2h 05m nonstop by our estimate. Cheapest fare observed: $127 round-trip on Viva Aerobus, nonstop, departing June 12, 2026.
$127 round-trip, Viva Aerobus VB7033, departing 2026-06-12 at 17:45, returning 2026-06-14. The recorded itinerary left on a Friday, returning on a Sunday 2 nights later; the fare was observed 48 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $127, it ranked 8th of the 30 round-trip fares we recorded from MEX (median $329). That is 15.9 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: Houston (744 mi) at $240 and Tulum (743 mi) at $121.
Viva Aerobus had the cheapest fare on 13 of 30 MEX routes. It is the 20th longest of the 30 routes we track from MEX.
Of 25 departure airports with a fare to Cancun, Mexico City (MEX) ranked 1st at $127. 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.
The reverse, Cancun (CUN) to Mexico City (MEX), was $134 round-trip on Aeromexico, nonstop, departing April 28, 2026. Cancun to Mexico City flights.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Mexico_City, America/Cancun; flight time is our estimate.