AirHint found the following cheapest return flights from London (LHR) to Zagreb (ZAG) in September 2026 (see full year).
Return flights
| 07 Sep - 15 Sep | Lufthansa | ||
| 01 Sep - 04 Sep | LOT | ||
| 01 Sep - 04 Sep | British Airways | direct | |
| 01 Sep - 15 Sep | Lufthansa | ||
| 07 Sep - 15 Sep | British Airways | direct | |
| 01 Sep - 08 Sep | Croatia Airlines |
Also check the deals for one-way flights from London to Zagreb in September.
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