Cheap flights from Cancun, Mexico to Madrid, Spain for only $403 USD roundtrip with Aeromexico.
The example dates listed below range between $403 and $427 roundtrip.
Availability from March to May 2020
25th Mar – 6th Apr
26th Mar – 9th Apr
22nd Apr – 4th May
22nd Apr – 6th May
27th Apr – 11th May
28th Apr – 11th May
Allow the search to complete, then click an OTA to view the advertised price: