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

Return flights

11 May - 16 May	KLM
08 May - 11 May	KLM
08 May - 10 May	KLM
04 May - 10 May	KLM
29 May - 31 May	KLM
28 May - 08 Jun	KLM
29 May - 02 Jun	KLM
28 May - 01 Jun	KLM
16 May - 24 May	KLM
30 May - 03 Jun	KLM
05 May - 09 May	KLM
17 May - 24 May	KLM
21 May - 28 May	KLM
10 May - 14 May	KLM
26 May - 06 Jun	KLM
24 May - 06 Jun	KLM
07 May - 25 Jun	KLM
25 May - 04 Jun	KLM
24 May - 02 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 246€

Return flights