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

Return flights

15 May - 18 May	SWISS
06 May - 20 May	SWISS
20 May - 26 May	SWISS
06 May - 11 May	SWISS
12 May - 18 May	SWISS
20 May - 25 May	SWISS
05 May - 01 Jun	SWISS
11 May - 15 May	Lufthansa
11 May - 18 May	Lufthansa
22 May - 25 May	Lufthansa
21 May - 25 May	Lufthansa
29 May - 01 Jun	KLM
28 May - 05 Jun	KLM
28 May - 01 Jun	KLM
30 May - 30 Jun	KLM
31 May - 06 Jun	SWISS

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 207€

Return flights