Cheapest return flights from Dublin to Lisbon in September from 128€

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

Return flights

18 Sep - 21 Sep Vueling Airlines
25 Sep - 15 Oct Vueling Airlines
08 Sep - 21 Sep Ryanair
25 Sep - 28 Sep Vueling Airlines
08 Sep - 24 Sep Ryanair direct
25 Sep - 13 Oct Vueling Airlines
13 Sep - 21 Sep Ryanair
08 Sep - 28 Sep Ryanair
18 Sep - 24 Sep Vueling Airlines
13 Sep - 24 Sep Ryanair direct
25 Sep - 02 Oct Vueling Airlines
18 Sep - 28 Sep Vueling Airlines
25 Sep - 16 Oct Vueling Airlines
25 Sep - 12 Oct Vueling Airlines
13 Sep - 28 Sep Ryanair
18 Sep - 02 Oct Vueling Airlines
25 Sep - 15 Oct Ryanair direct
13 Sep - 02 Oct Ryanair direct
25 Sep - 13 Oct Ryanair direct
25 Sep - 06 Oct Vueling Airlines

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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