Cheapest one-way flights from London to Dublin in December from $68

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

One-Way flights

10 Dec British Airways direct
08 Dec British Airways direct
16 Dec British Airways direct
01 Dec British Airways direct
06 Dec British Airways direct
07 Dec British Airways direct
23 Dec KLM
19 Dec KLM
17 Dec KLM
18 Dec KLM

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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