Cheapest return flights from London to Dublin in December from 73€

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

Return flights

29 Dec - 24 Jan British Airways direct
26 Dec - 17 Jan British Airways direct
29 Dec - 14 Jan British Airways direct
29 Dec - 20 Jan British Airways direct
15 Dec - 12 Jan British Airways direct
03 Dec - 09 Dec British Airways direct
06 Dec - 09 Dec British Airways direct
04 Dec - 09 Dec British Airways direct
16 Dec - 20 Jan British Airways direct
07 Dec - 12 Jan British Airways direct
16 Dec - 07 Jan British Airways direct
05 Dec - 09 Dec British Airways direct
12 Dec - 09 Jan British Airways direct
13 Dec - 10 Jan British Airways direct
04 Dec - 10 Dec British Airways direct
03 Dec - 10 Dec British Airways direct
12 Dec - 16 Dec British Airways direct
13 Dec - 16 Dec British Airways direct
02 Dec - 02 Dec British Airways direct
03 Dec - 03 Dec British Airways direct

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