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

Return flights

26 Dec - 11 Jan	KLM
26 Dec - 08 Jan	KLM
31 Dec - 11 Jan	KLM
31 Dec - 07 Jan	KLM
29 Dec - 09 Jan	SWISS
16 Dec - 21 Dec	KLM
29 Dec - 18 Jan	KLM
30 Dec - 09 Jan	Lufthansa
30 Dec - 07 Jan	Lufthansa
27 Dec - 08 Jan	KLM
30 Dec - 06 Jan	Lufthansa
15 Dec - 21 Dec	KLM
17 Dec - 22 Dec	KLM
10 Dec - 16 Dec	SWISS
15 Dec - 22 Dec	KLM
17 Dec - 21 Dec	KLM
17 Dec - 23 Dec	KLM
10 Dec - 17 Dec	SWISS
10 Dec - 14 Dec	SWISS
09 Dec - 16 Dec	SWISS

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

Book a cheap hotel in Vienna

Cheap car rent in Vienna

Cheapest return flights from London to Vienna in December from 245€

Return flights