Cheapest one-way flights from Dublin to Lisbon in December from $56

AirHint found the following cheapest one-way flights from Dublin (DUB) to Lisbon (LIS) in December 2026 (see full year).

One-Way flights

10 Dec Ryanair direct
07 Dec Ryanair direct
08 Dec Ryanair direct
11 Dec TAP direct
19 Dec TAP direct
21 Dec TAP direct
17 Dec Ryanair direct
22 Dec TAP direct
28 Dec Ryanair direct
24 Dec Ryanair

Also check the deals for return 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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