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

Return flights

09 Sep - 01 Oct	Ryanair
23 Sep - 08 Oct	Ryanair
03 Sep - 10 Sep	Vueling Airlines
08 Sep - 01 Oct	Ryanair
16 Sep - 17 Sep	Ryanair
24 Sep - 27 Sep	Vueling Airlines
17 Sep - 27 Sep	Vueling Airlines
03 Sep - 06 Sep	Vueling Airlines
10 Sep - 13 Sep	Vueling Airlines
07 Sep - 13 Sep	Vueling Airlines
06 Sep - 13 Sep	Iberia

Also check the deals for one-way flights from Reus 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 Reus to Lisbon in September from 185€

Return flights