Cheapest one-way flights from Dublin to Lisbon in September from $67

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

One-Way flights

21 Sep Ryanair direct
15 Sep Vueling Airlines
05 Sep TAP direct
22 Sep Ryanair direct
25 Sep TAP direct
18 Sep TAP direct
26 Sep Ryanair direct
23 Sep Vueling Airlines
17 Sep Ryanair direct
23 Sep Ryanair direct

Also check the deals for return 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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