Cheapest one-way flights from Lisbon to Dublin in September from $58

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

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

One-Way flights

18 Sep Ryanair direct
19 Sep Ryanair direct
26 Sep Ryanair direct
05 Sep Ryanair direct
22 Sep Vueling Airlines
13 Sep TAP direct
09 Sep Ryanair direct
08 Sep Ryanair direct
22 Sep Ryanair direct
01 Sep Ryanair direct

Also check the deals for return 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