AirHint found the following cheapest return flights from London (LHR) to Beirut (BEY) in May 2026 (see full year).

Return flights

26 May - 25 Jun	KLM
16 May - 12 Jun	Air Serbia
01 May - 19 May	Air Serbia
28 May - 30 Jun	Eurowings
27 May - 07 Jun	KLM
18 May - 07 Jun	KLM
18 May - 25 May	Air Serbia
05 May - 12 May	KLM
04 May - 09 May	Aegean Airlines
05 May - 15 May	KLM
27 May - 24 Jun	KLM
20 May - 10 Jun	KLM
25 May - 08 Jun	Air Serbia
14 May - 18 May	Turkish Airlines
01 May - 18 May	Turkish Airlines
31 May - 10 Jun	Air Serbia
20 May - 27 May	KLM
13 May - 22 May	Royal Jordanian
14 May - 20 May	Royal Jordanian
11 May - 05 Jun	Aegean Airlines

Also check the deals for one-way flights from London to Beirut 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 Beirut in May from 318€

Return flights