Cheapest return flights from Dublin to Lisbon in December from $115

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

Return flights

09 Dec - 18 Dec Ryanair direct
09 Dec - 20 Dec Ryanair direct
09 Dec - 17 Dec Ryanair direct
03 Dec - 18 Dec Ryanair direct
03 Dec - 20 Dec Ryanair direct
03 Dec - 17 Dec Ryanair direct
02 Dec - 18 Dec Ryanair direct
02 Dec - 03 Dec Ryanair direct
02 Dec - 20 Dec Ryanair direct
02 Dec - 17 Dec Ryanair direct
11 Dec - 15 Jan Ryanair direct
10 Dec - 17 Jan Ryanair direct
16 Dec - 14 Jan Ryanair direct
12 Dec - 13 Jan Aer Lingus direct
13 Dec - 11 Jan Ryanair direct
30 Dec - 17 Jan Ryanair direct
30 Dec - 14 Jan Ryanair direct
30 Dec - 15 Jan Ryanair direct
30 Dec - 19 Jan Ryanair direct
30 Dec - 13 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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