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

Return flights

16 Jan - 23 Jan	KLM
29 Jan - 02 Feb	KLM
29 Jan - 03 Feb	KLM
15 Jan - 22 Jan	KLM
24 Jan - 26 Jan	KLM
29 Jan - 01 Feb	KLM
09 Jan - 13 Jan	KLM
16 Jan - 19 Jan	KLM
23 Jan - 04 Feb	KLM
17 Jan - 18 Jan	KLM
05 Jan - 08 Jan	KLM
15 Jan - 18 Jan	KLM
10 Jan - 14 Jan	KLM
22 Jan - 25 Jan	KLM
30 Jan - 04 Feb	ITA Airways

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 $267

Return flights