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

Return flights

16 May - 19 May	SWISS
12 May - 14 May	ITA Airways
16 May - 20 May	SWISS
12 May - 18 May	SWISS
06 May - 13 May	ITA Airways
15 May - 18 May	SWISS
16 May - 18 May	SWISS
15 May - 21 May	SWISS
05 May - 08 May	SWISS
06 May - 11 May	SWISS
20 May - 10 Jun	SWISS
27 May - 10 Jun	SWISS
20 May - 17 Jun	SWISS
27 May - 17 Jun	Lufthansa
29 May - 02 Jun	Lufthansa
29 May - 01 Jun	Lufthansa
18 May - 08 Jun	KLM
18 May - 10 Jun	KLM
30 May - 06 Jun	KLM
30 May - 02 Jun	KLM

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

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 May from 212€

Return flights