Cheapest return flights from London to Dublin in December from $164

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

Return flights

30 Dec - 07 Jan British Airways direct
16 Dec - 18 Dec British Airways direct
31 Dec - 20 Jan British Airways direct
09 Dec - 16 Dec British Airways direct
15 Dec - 07 Jan British Airways direct
06 Dec - 16 Dec British Airways direct
15 Dec - 19 Dec British Airways direct
15 Dec - 18 Dec British Airways direct
15 Dec - 22 Dec British Airways direct
16 Dec - 16 Dec British Airways direct
16 Dec - 23 Dec British Airways direct
17 Dec - 18 Dec British Airways direct
15 Dec - 15 Dec British Airways direct
31 Dec - 07 Jan British Airways direct
26 Dec - 15 Jan British Airways direct
10 Dec - 08 Jan British Airways direct
06 Dec - 06 Jan British Airways direct
29 Dec - 01 Jan British Airways direct
17 Dec - 01 Jan British Airways direct
15 Dec - 02 Jan British Airways direct

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

Powered by

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 Dublin

Cheap car rent in Dublin

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