AirHint found the following cheapest return flights from Malta (MLA) to Porto (OPO) in September 2025 (see full year).

Return flights

22 Sep - 26 Sep	Ryanair	direct
23 Sep - 26 Sep	Ryanair
29 Sep - 06 Oct	Ryanair
29 Sep - 06 Oct	Ryanair	direct
22 Sep - 25 Sep	Ryanair	direct
18 Sep - 25 Sep	Ryanair
25 Sep - 30 Sep	Ryanair
19 Sep - 26 Sep	Ryanair
18 Sep - 22 Sep	Ryanair
25 Sep - 02 Oct	Ryanair
26 Sep - 03 Oct	Ryanair
29 Sep - 02 Oct	Ryanair
27 Sep - 04 Oct	Ryanair
19 Sep - 25 Sep	Ryanair
19 Sep - 26 Sep	Ryanair	direct
25 Sep - 29 Sep	Ryanair
30 Sep - 20 Oct	Vueling Airlines
30 Sep - 15 Oct	Vueling Airlines
29 Sep - 02 Oct	Ryanair	direct
30 Sep - 13 Oct	Vueling Airlines

Also check the deals for one-way flights from Malta to Porto 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 Porto

Cheap car rent in Porto

Cheapest return flights from Malta to Porto in September from 108€

Return flights