Cheapest return flights from London to Dublin in December from 77€

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

01 Dec - 09 Dec British Airways direct
03 Dec - 09 Dec British Airways direct
02 Dec - 09 Dec British Airways direct
08 Dec - 11 Dec British Airways direct
04 Dec - 09 Dec British Airways direct
05 Dec - 08 Dec British Airways direct
06 Dec - 07 Dec British Airways direct
05 Dec - 07 Dec British Airways direct
28 Dec - 23 Jan British Airways direct
01 Dec - 15 Dec British Airways direct
26 Dec - 18 Jan British Airways direct
01 Dec - 30 Dec British Airways direct
18 Dec - 15 Jan Aer Lingus direct
27 Dec - 14 Jan British Airways direct
27 Dec - 08 Jan British Airways direct
26 Dec - 02 Jan Aer Lingus direct
20 Dec - 04 Jan Aer Lingus direct
21 Dec - 03 Jan Aer Lingus direct
22 Dec - 03 Jan Aer Lingus direct
18 Dec - 01 Jan KLM

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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