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

Return flights

13 Dec - 15 Dec	British Airways	direct
04 Dec - 08 Dec	British Airways	direct
14 Dec - 16 Dec	British Airways	direct
14 Dec - 14 Dec	British Airways	direct
04 Dec - 18 Dec	KLM
04 Dec - 06 Dec	KLM
10 Dec - 13 Dec	KLM
17 Dec - 24 Dec	KLM
23 Dec - 27 Dec	KLM
16 Dec - 20 Dec	KLM
27 Dec - 08 Jan	KLM
26 Dec - 02 Jan	KLM
31 Dec - 05 Jan	KLM
29 Dec - 01 Jan	KLM
22 Dec - 02 Jan	KLM
22 Dec - 01 Jan	KLM
26 Dec - 02 Jan	British Airways	direct
31 Dec - 05 Jan	British Airways	direct

Also check the deals for one-way flights from London to Budapest in December.

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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Cheapest return flights from London to Budapest in December from 167€

Return flights