Perth (PER) to Cancun (CUN): 10,841 miles (17,447 km) great-circle, about 22h 10m nonstop by our estimate. Cheapest fare observed: $2060 round-trip on AirAsia, with 3 stops, departing July 11, 2026.
$2060 round-trip, AirAsia AK607, departing 2026-07-11 at 20:50, returning 2026-07-25. The recorded itinerary left on a Saturday, returning on a Saturday 14 nights later; the fare was observed 77 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $2060, it ranked 27th of the 30 round-trip fares we recorded from PER (median $1,061). That is 19.0 cents per great-circle mile (round-trip price over one-way distance), close to the PER median of 18.3 cents across 30 round-trip routes.
Routes from PER of similar length: Casablanca (9,193 mi) at $1580 and Bristol (9,112 mi) at $1837.
AirAsia had the cheapest fare on 5 of 30 PER routes. It is the longest of the 30 routes we track from PER.
Of 25 departure airports with a fare to Cancun, Perth (PER) ranked 25th at $2060. 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 Australia/Perth, America/Cancun; flight time is our estimate.