AirHint found the following cheapest return flights from London (LHR) to Zagreb (ZAG) in July 2025 (see full year).

Return flights

03 Jul - 09 Jul	Lufthansa
29 Jul - 07 Aug	KLM
29 Jul - 05 Aug	KLM
30 Jul - 07 Aug	KLM
02 Jul - 21 Jul	Lufthansa
08 Jul - 11 Jul	Eurowings
07 Jul - 18 Jul	Croatia Airlines	direct
02 Jul - 21 Jul	Croatia Airlines	direct
01 Jul - 09 Jul	Lufthansa
22 Jul - 29 Jul	KLM
16 Jul - 21 Jul	Air France
16 Jul - 23 Jul	Lufthansa
01 Jul - 08 Jul	Lufthansa
31 Jul - 07 Aug	Lufthansa
30 Jul - 02 Aug	Lufthansa
15 Jul - 05 Aug	Lufthansa
31 Jul - 04 Aug	Lufthansa
30 Jul - 04 Aug	Lufthansa
31 Jul - 03 Aug	Lufthansa
31 Jul - 14 Aug	Lufthansa

Also check the deals for one-way flights from London to Zagreb in July.

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 July from $224

Return flights