Cheapest one-way flights from Dublin to Lisbon in September from $36

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

One-Way flights

30 Sep Ryanair direct
28 Sep Ryanair direct
24 Sep Ryanair direct
22 Sep Ryanair direct
27 Sep Ryanair direct
21 Sep Ryanair direct
16 Sep Ryanair direct
06 Sep Ryanair direct
01 Sep Ryanair direct
02 Sep Ryanair direct

Also check the deals for return flights from Dublin to Lisbon 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.

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