Cheapest return flights from Dublin to Lisbon in December from $114

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

Return flights

09 Dec - 24 Dec Ryanair direct
03 Dec - 24 Dec Ryanair direct
10 Dec - 14 Jan Ryanair direct
11 Dec - 24 Dec Ryanair direct
10 Dec - 24 Dec Vueling Airlines
04 Dec - 24 Dec Ryanair direct
10 Dec - 24 Dec Ryanair direct
15 Dec - 24 Dec Ryanair direct
09 Dec - 16 Dec Ryanair direct
09 Dec - 11 Dec Ryanair direct
09 Dec - 20 Dec Ryanair direct
15 Dec - 08 Jan Ryanair direct
31 Dec - 14 Jan Ryanair direct
30 Dec - 14 Jan Ryanair direct
31 Dec - 10 Jan Ryanair direct
31 Dec - 08 Jan Ryanair direct
27 Dec - 10 Jan TAP direct
26 Dec - 22 Jan TAP direct
31 Dec - 07 Jan Ryanair direct
30 Dec - 10 Jan Ryanair direct

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

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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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