Cheapest return flights from London to Belfast in December from 206€

Best time to book flights for London (LCY) to Belfast (BHD) flights at AirHint

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

Return flights

04 Dec - 08 Dec British Airways direct
12 Dec - 14 Dec British Airways direct
11 Dec - 13 Dec British Airways direct
02 Dec - 01 Jan British Airways direct
28 Dec - 11 Jan British Airways direct
13 Dec - 15 Dec British Airways direct
11 Dec - 18 Dec British Airways direct
31 Dec - 18 Jan British Airways direct
23 Dec - 30 Dec KLM
24 Dec - 26 Dec British Airways direct
20 Dec - 21 Dec British Airways direct
24 Dec - 31 Dec British Airways direct
24 Dec - 28 Dec British Airways direct

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