Cheapest return flights from Lisbon to Dublin in September from $103

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

Return flights

08 Sep - 22 Sep Ryanair direct
15 Sep - 05 Oct Ryanair direct
15 Sep - 22 Sep Ryanair direct
15 Sep - 06 Oct Ryanair direct
08 Sep - 21 Sep Ryanair direct
24 Sep - 05 Oct Ryanair direct
08 Sep - 29 Sep Ryanair direct
24 Sep - 13 Oct Ryanair direct
15 Sep - 29 Sep Ryanair direct
08 Sep - 19 Sep Ryanair direct
08 Sep - 20 Sep Ryanair direct
29 Sep - 18 Oct Ryanair direct
15 Sep - 21 Sep Ryanair direct
24 Sep - 06 Oct Ryanair direct
15 Sep - 20 Sep Ryanair direct
08 Sep - 14 Sep Ryanair direct
15 Sep - 04 Oct Ryanair direct
15 Sep - 03 Oct Ryanair direct
22 Sep - 05 Oct Ryanair direct
22 Sep - 13 Oct Ryanair direct

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