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

Return flights

11 Apr - 14 Apr	Ryanair
18 Apr - 29 Apr	Ryanair
21 Apr - 26 Apr	Ryanair
20 Apr - 23 Apr	Ryanair
17 Apr - 23 Apr	Air Serbia
17 Apr - 21 Apr	Air Serbia
17 Apr - 24 Apr	Air Serbia
14 Apr - 22 Apr	Ryanair
18 Apr - 22 Apr	Ryanair
14 Apr - 21 Apr	Ryanair
25 Apr - 01 May	Air Serbia
25 Apr - 02 May	Air Serbia
27 Apr - 02 May	Ryanair
28 Apr - 02 May	Ryanair
29 Apr - 04 May	Lufthansa
26 Apr - 02 May	Ryanair
29 Apr - 02 May	Lufthansa
30 Apr - 05 May	Lufthansa
30 Apr - 04 May	Lufthansa
26 Apr - 01 May	Ryanair

Also check the deals for one-way flights from Zagreb to Lisbon 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 Zagreb to Lisbon in April from 129€

Return flights