AirHint found the following cheapest return flights from London (LHR) to Zagreb (ZAG) in August 2026 (see full year).

Return flights

03 Aug - 12 Aug	Croatia Airlines	direct
01 Aug - 07 Aug	Croatia Airlines
11 Aug - 18 Aug	Lufthansa
25 Aug - 01 Sep	Lufthansa
19 Aug - 26 Aug	Croatia Airlines	direct
11 Aug - 18 Aug	British Airways	direct
07 Aug - 09 Aug	KLM
19 Aug - 28 Aug	Lufthansa
25 Aug - 30 Aug	Lufthansa
12 Aug - 26 Aug	Croatia Airlines
01 Aug - 07 Aug	British Airways	direct
25 Aug - 01 Sep	British Airways	direct

Also check the deals for one-way flights from London to Zagreb 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 Zagreb in August from $178

Return flights