Cheapest return flights from London to Belfast in December from $104

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

Return flights

01 Dec - 05 Dec British Airways direct
10 Dec - 12 Dec British Airways direct
03 Dec - 05 Dec British Airways direct
09 Dec - 11 Dec British Airways direct
05 Dec - 07 Dec British Airways direct
06 Dec - 07 Dec British Airways direct
13 Dec - 13 Dec British Airways direct
01 Dec - 03 Dec British Airways direct
12 Dec - 14 Dec British Airways direct
23 Dec - 12 Jan British Airways direct
23 Dec - 31 Dec British Airways direct
24 Dec - 11 Jan British Airways direct
24 Dec - 01 Jan British Airways direct
19 Dec - 02 Jan British Airways direct
29 Dec - 19 Jan British Airways direct
27 Dec - 13 Jan British Airways direct
30 Dec - 02 Jan British Airways direct
30 Dec - 03 Jan British Airways direct

Also check the deals for one-way flights from London to Belfast 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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