Cheapest one-way flights from Lisbon to Dublin in September from $69

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

One-Way flights

26 Sep Aer Lingus direct
30 Sep Aer Lingus direct
24 Sep Vueling Airlines
11 Sep Ryanair
10 Sep Transavia France
09 Sep Aer Lingus direct
29 Sep Ryanair
11 Sep TAP direct
16 Sep Ryanair
22 Sep Vueling Airlines

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.

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