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

AirHint found the following cheapest return flights from London (LHR) to Dublin (DUB) in December 2026 (see full year).

Return flights

10 Dec - 06 Jan British Airways direct
08 Dec - 15 Dec British Airways direct
12 Dec - 14 Dec British Airways direct
05 Dec - 07 Dec British Airways direct
12 Dec - 12 Dec British Airways direct
09 Dec - 10 Dec British Airways direct
02 Dec - 09 Dec British Airways direct
11 Dec - 12 Dec British Airways direct
07 Dec - 09 Dec British Airways direct
12 Dec - 13 Dec British Airways direct
04 Dec - 06 Dec British Airways direct
18 Dec - 06 Jan Aer Lingus direct
18 Dec - 02 Jan KLM
31 Dec - 02 Jan KLM
27 Dec - 03 Jan KLM
07 Dec - 03 Jan KLM
31 Dec - 07 Jan KLM
29 Dec - 02 Jan KLM
30 Dec - 02 Jan KLM
29 Dec - 01 Jan KLM

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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