AirHint found the following cheapest return flights from Porto (OPO) to Cancun (CUN) in July 2025 (see full year).

Return flights

25 Jul - 01 Aug	Air Transat
29 Jul - 06 Aug	Azores Airlines
24 Jul - 01 Aug	Air Transat
24 Jul - 31 Jul	Air Transat
26 Jul - 02 Aug	Air Transat
29 Jul - 05 Aug	Air Canada
31 Jul - 14 Aug	KLM
30 Jul - 07 Aug	Ryanair

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

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 July from 852€

Return flights