AirHint found the following cheapest return flights from Cancun (CUN) to Lisbon (LIS) in September 2025 (see full year).

Return flights

29 Sep - 08 Oct	WORLD2FLY
30 Sep - 10 Oct	TUI.nl
30 Sep - 14 Oct	TUI.nl
21 Sep - 06 Oct	Flair Airlines
20 Sep - 03 Oct	Flair Airlines
20 Sep - 26 Sep	Flair Airlines
28 Sep - 12 Oct	Flair Airlines
21 Sep - 05 Oct	Flair Airlines

Also check the deals for one-way flights from Cancun to Lisbon in September.

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 Cancun to Lisbon in September from $825

Return flights