Cheapest return flights from Dublin to Lisbon in September from 135€

AirHint found the following cheapest return flights from Dublin (DUB) to Lisbon (LIS) in September 2026 (see full year).

Return flights

15 Sep - 24 Sep Ryanair direct
21 Sep - 24 Sep Ryanair direct
14 Sep - 24 Sep Ryanair direct
26 Sep - 29 Sep Vueling Airlines
29 Sep - 17 Oct Ryanair direct
28 Sep - 17 Oct Ryanair direct
12 Sep - 24 Sep Ryanair direct
27 Sep - 17 Oct Ryanair direct
15 Sep - 27 Sep Ryanair direct
26 Sep - 27 Sep Ryanair direct
27 Sep - 27 Sep Ryanair direct
21 Sep - 27 Sep Ryanair direct
14 Sep - 27 Sep Ryanair direct
29 Sep - 02 Oct Vueling Airlines
29 Sep - 16 Oct Ryanair direct
28 Sep - 16 Oct Ryanair direct
26 Sep - 16 Oct Ryanair direct
27 Sep - 16 Oct Ryanair direct
29 Sep - 18 Oct Ryanair direct
26 Sep - 17 Oct Ryanair direct

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

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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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