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

Return flights

15 Sep - 29 Sep	Air Transat
24 Sep - 29 Sep	Air Transat
06 Sep - 15 Sep	Air Transat
09 Sep - 29 Sep	Air Transat
24 Sep - 07 Oct	Air Transat
24 Sep - 08 Oct	Air Transat
06 Sep - 16 Sep	Air Transat
16 Sep - 28 Sep	Air Transat
18 Sep - 28 Sep	Air Transat
19 Sep - 28 Sep	Air Transat
20 Sep - 27 Sep	Air Transat
15 Sep - 21 Sep	Air Transat
19 Sep - 05 Oct	Air Transat
22 Sep - 02 Oct	Air Canada
13 Sep - 04 Oct	Air Canada
26 Sep - 05 Oct	Air Europa
26 Sep - 12 Oct	Air Canada
22 Sep - 05 Oct	United
27 Sep - 04 Oct	Vueling Airlines
27 Sep - 05 Oct	Vueling Airlines

Also check the deals for one-way flights from Barcelona to Cancun 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.

Book a cheap hotel in Cancun

Cheap car rent in Cancun

Cheapest return flights from Barcelona to Cancun in September from 516€

Return flights