AirHint found the following cheapest return flights from London (LHR) to Monastir (MIR) in August 2025 (see full year).

Return flights

30 Aug - 05 Sep	Brussels Airlines
29 Aug - 04 Sep	Vueling Airlines
28 Aug - 02 Sep	Lufthansa
28 Aug - 01 Sep	Vueling Airlines
29 Aug - 01 Sep	Vueling Airlines
20 Aug - 29 Aug	Vueling Airlines
14 Aug - 26 Aug	Lufthansa
06 Aug - 13 Aug	Air France
15 Aug - 19 Aug	Lufthansa
12 Aug - 19 Aug	Vueling Airlines
18 Aug - 21 Aug	Air France
22 Aug - 25 Aug	Vueling Airlines
18 Aug - 22 Aug	Air France
24 Aug - 31 Aug	Vueling Airlines
13 Aug - 16 Aug	Vueling Airlines

Also check the deals for one-way flights from London to Monastir 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 Monastir in August from 344€

Return flights