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

Return flights

24 Apr - 27 Apr	Croatia Airlines	direct
23 Apr - 26 Apr	Austrian Airlines
10 Apr - 12 Apr	LOT
10 Apr - 12 Apr	British Airways	direct

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

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 April from $184

Return flights