AirHint found the following cheapest return flights from London (LCY) to Vienna (VIE) in August 2026 (see full year).

Return flights

19 Aug - 26 Aug	SWISS
13 Aug - 26 Aug	Lufthansa
28 Aug - 01 Sep	Lufthansa
26 Aug - 02 Sep	SWISS
11 Aug - 14 Aug	Lufthansa
31 Aug - 04 Sep	KLM
31 Aug - 03 Sep	KLM
15 Aug - 26 Aug	KLM
15 Aug - 25 Aug	KLM
29 Aug - 12 Sep	KLM
27 Aug - 31 Aug	KLM
29 Aug - 31 Aug	KLM
16 Aug - 24 Aug	KLM
26 Aug - 31 Aug	KLM
14 Aug - 18 Aug	Lufthansa

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

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 Vienna in August from 235€

Return flights