Mexico City (MEX) to Lima (LIM): 2,638 miles (4,245 km) great-circle, about 5h 45m nonstop by our estimate. Cheapest fare observed: $374 round-trip on Copa, with 1 stop, departing May 13, 2026.
$374 round-trip, Copa CM149, departing 2026-05-13 at 01:20, returning 2026-05-20. The recorded itinerary left on a Wednesday, returning on a Wednesday 7 nights later; the fare was observed 18 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $374, it ranked 17th of the 30 round-trip fares we recorded from MEX (median $329). That is 14.2 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: Montreal (2,307 mi) at $478 and New York (2,091 mi) at $355.
MEX to LIM is the only one of 30 MEX routes where Copa priced cheapest. It is the 11th longest of the 30 routes we track from MEX.
Of 10 departure airports with a fare to Lima, Mexico City (MEX) ranked 3rd at $374. Lowest: $282 from São Paulo (GRU); highest: $1419 from Brisbane (BNE); 3 nonstop. Cheapest-fare airlines (routes): Copa (4), airline VE (1), Arajet (1), LATAM (1), Qantas (1) and Sky Airline (1), plus 1 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Mexico_City, America/Lima; flight time is our estimate.