Cheapest one-way flights from London to Dublin in December from $107

AirHint found the following cheapest one-way flights from London (LCY) to Dublin (DUB) in December 2025 (see full year).

One-Way flights

29 Dec British Airways direct
31 Dec British Airways direct
15 Dec British Airways direct
16 Dec British Airways direct
27 Dec British Airways direct
19 Dec British Airways direct
17 Dec British Airways direct
22 Dec British Airways direct
18 Dec British Airways direct
21 Dec British Airways direct

Also check the deals for return 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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