Cheapest return flights from Lisbon to Dublin in December from 100€

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

AirHint found the following cheapest return flights from Lisbon (LIS) to Dublin (DUB) in December 2025 (see full year).

Return flights

01 Dec - 09 Dec Ryanair direct
01 Dec - 02 Dec Ryanair direct
01 Dec - 04 Dec Ryanair direct
06 Dec - 09 Dec Ryanair direct
13 Dec - 08 Jan Ryanair direct
10 Dec - 20 Jan Ryanair direct
01 Dec - 08 Dec Ryanair direct
01 Dec - 05 Dec Ryanair direct
06 Dec - 08 Dec Ryanair direct
07 Dec - 09 Dec Ryanair direct
07 Dec - 08 Dec Ryanair direct
01 Dec - 13 Dec Ryanair direct
17 Dec - 05 Jan Ryanair direct
23 Dec - 08 Jan Ryanair direct
21 Dec - 08 Jan Ryanair direct
20 Dec - 08 Jan Ryanair direct
18 Dec - 08 Jan Ryanair direct
19 Dec - 08 Jan Ryanair direct
23 Dec - 05 Jan Ryanair direct
21 Dec - 05 Jan Ryanair direct

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

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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