Cheapest return flights from London to Dublin in December from $166

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

Return flights

08 Dec - 09 Dec British Airways direct
01 Dec - 02 Dec British Airways direct
17 Dec - 17 Dec British Airways direct
16 Dec - 18 Dec British Airways direct
15 Dec - 22 Dec British Airways direct
16 Dec - 16 Dec British Airways direct
05 Dec - 08 Dec British Airways direct
15 Dec - 19 Dec British Airways direct
29 Dec - 31 Dec British Airways direct
17 Dec - 23 Dec British Airways direct
24 Dec - 06 Jan British Airways direct
27 Dec - 07 Jan British Airways direct
30 Dec - 14 Jan British Airways direct
18 Dec - 06 Jan British Airways direct
30 Dec - 05 Jan British Airways direct
28 Dec - 15 Jan British Airways direct
29 Dec - 05 Jan British Airways direct
22 Dec - 29 Jan British Airways direct
22 Dec - 31 Jan British Airways direct
22 Dec - 05 Jan British Airways direct

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

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