Cheapest return flights from London to Dublin in December from $99

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

Return flights

09 Dec - 10 Dec British Airways direct
07 Dec - 10 Dec British Airways direct
15 Dec - 17 Dec British Airways direct
15 Dec - 16 Dec British Airways direct
03 Dec - 09 Dec British Airways direct
22 Dec - 24 Dec British Airways direct
06 Dec - 09 Dec British Airways direct
16 Dec - 17 Dec British Airways direct
03 Dec - 17 Dec British Airways direct
15 Dec - 24 Dec British Airways direct
07 Dec - 10 Jan British Airways direct
26 Dec - 19 Jan British Airways direct
28 Dec - 09 Jan British Airways direct
26 Dec - 08 Jan British Airways direct
15 Dec - 09 Jan British Airways direct
09 Dec - 09 Jan British Airways direct
30 Dec - 06 Jan British Airways direct
29 Dec - 05 Jan British Airways direct
30 Dec - 01 Jan British Airways direct
29 Dec - 01 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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