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

Return flights

30 Jan - 02 Feb	Croatia Airlines	direct
08 Jan - 13 Jan	Austrian Airlines
08 Jan - 15 Jan	Austrian Airlines
06 Jan - 13 Jan	Lufthansa
11 Jan - 18 Jan	Austrian Airlines
15 Jan - 22 Jan	Austrian Airlines
05 Jan - 12 Jan	British Airways
01 Jan - 05 Jan	Austrian Airlines

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

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 January from $177

Return flights