Cheapest return flights from London to Dublin in December from $89

Best time to book flights for London (LHR) to Dublin (DUB) flights at AirHint

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

Return flights

02 Dec - 03 Dec British Airways direct
01 Dec - 15 Dec British Airways direct
11 Dec - 14 Dec British Airways direct
29 Dec - 10 Jan British Airways direct
12 Dec - 14 Dec British Airways direct
07 Dec - 11 Dec British Airways direct
10 Dec - 12 Dec British Airways direct
24 Dec - 31 Dec British Airways direct
01 Dec - 05 Dec British Airways direct
02 Dec - 07 Dec British Airways direct
26 Dec - 05 Jan British Airways direct
30 Dec - 02 Jan British Airways direct
23 Dec - 30 Dec British Airways direct
26 Dec - 04 Jan British Airways direct
27 Dec - 02 Jan British Airways direct
19 Dec - 07 Jan British Airways direct
26 Dec - 02 Jan British Airways direct
20 Dec - 04 Jan British Airways direct
28 Dec - 05 Jan Aer Lingus direct
25 Dec - 04 Jan British Airways

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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