Cheapest return flights from Dublin to Lisbon in December from 103€

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

Return flights

09 Dec - 17 Dec Ryanair direct
09 Dec - 24 Dec Ryanair direct
02 Dec - 17 Dec Ryanair direct
02 Dec - 03 Dec Ryanair direct
10 Dec - 17 Dec Vueling Airlines
10 Dec - 24 Dec Vueling Airlines
11 Dec - 17 Dec Ryanair direct
11 Dec - 24 Dec Ryanair direct
04 Dec - 17 Dec Ryanair direct
04 Dec - 24 Dec Ryanair direct
15 Dec - 14 Jan Ryanair direct
14 Dec - 12 Jan Ryanair direct
31 Dec - 20 Jan Ryanair direct
31 Dec - 13 Jan Ryanair direct
31 Dec - 14 Jan Ryanair direct
31 Dec - 15 Jan Ryanair direct
12 Dec - 10 Jan Aer Lingus direct
31 Dec - 10 Jan Ryanair direct
31 Dec - 12 Jan Ryanair direct
31 Dec - 11 Jan Ryanair direct

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

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Feel free to contact us with any feedback or request another flight research.