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

Return flights

19 Jan - 22 Jan	Ryanair
12 Jan - 17 Jan	Ryanair
17 Jan - 24 Jan	Ryanair
26 Jan - 29 Jan	Ryanair
25 Jan - 28 Jan	Ryanair
31 Jan - 04 Feb	Ryanair
24 Jan - 27 Jan	Ryanair
13 Jan - 17 Jan	Ryanair
08 Jan - 16 Jan	Ryanair
12 Jan - 15 Jan	Ryanair
11 Jan - 14 Jan	Ryanair
27 Jan - 03 Feb	Ryanair
30 Jan - 07 Feb	Ryanair
27 Jan - 07 Feb	Ryanair
30 Jan - 06 Feb	Ryanair
29 Jan - 01 Feb	Ryanair
30 Jan - 08 Feb	Ryanair
30 Jan - 16 Feb	Ryanair
28 Jan - 01 Feb	Ryanair
30 Jan - 15 Feb	Ryanair

Also check the deals for one-way flights from Zagreb to Lisbon 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 Zagreb to Lisbon in January from $104

Return flights