Cheapest return flights from Lisbon to Dublin in September from 94€

Best time to book flights for Lisbon (LIS) to Dublin (DUB) flights at AirHint

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

Return flights

17 Sep - 04 Oct Ryanair direct
17 Sep - 23 Sep Ryanair direct
17 Sep - 01 Oct Ryanair direct
17 Sep - 22 Sep Ryanair direct
17 Sep - 20 Sep Ryanair direct
17 Sep - 24 Sep Ryanair direct
20 Sep - 04 Oct Ryanair direct
20 Sep - 11 Oct Ryanair direct
17 Sep - 27 Sep Ryanair direct
20 Sep - 23 Sep Ryanair direct
11 Sep - 23 Sep Ryanair direct
05 Sep - 23 Sep Ryanair direct
20 Sep - 01 Oct Ryanair direct
11 Sep - 01 Oct Ryanair direct
17 Sep - 25 Sep Ryanair direct
17 Sep - 21 Sep Ryanair direct
27 Sep - 13 Oct Ryanair direct
27 Sep - 04 Oct Ryanair direct
27 Sep - 18 Oct Ryanair direct
27 Sep - 11 Oct Ryanair direct

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

Skyscanner

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 Dublin

Cheap car rent in Dublin