AirHint found the following cheapest return flights from Porto (OPO) to Cancun (CUN) in March 2026 (see full year).

Return flights

04 Mar - 11 Mar	British Airways
03 Mar - 10 Mar	British Airways
07 Mar - 14 Mar	British Airways
07 Mar - 15 Mar	British Airways
10 Mar - 17 Mar	British Airways
03 Mar - 13 Mar	British Airways
13 Mar - 24 Mar	British Airways
16 Mar - 22 Mar	British Airways
01 Mar - 08 Mar	British Airways
29 Mar - 05 Apr	British Airways
27 Mar - 05 Apr	Air France
27 Mar - 04 Apr	Air France
07 Mar - 09 Mar	Air Transat
28 Mar - 06 Apr	KLM
28 Mar - 04 Apr	KLM

Also check the deals for one-way flights from Porto to Cancun in March.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Porto to Cancun in March from 449€

Return flights