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

Return flights

16 Apr - 20 Apr	Ryanair
09 Apr - 20 Apr	Ryanair
10 Apr - 26 Apr	Ryanair
17 Apr - 20 Apr	Ryanair
27 Apr - 11 May	Ryanair
10 Apr - 15 Apr	Ryanair
16 Apr - 22 Apr	Ryanair
28 Apr - 10 May	Wizz Air Malta
18 Apr - 26 Apr	Ryanair
17 Apr - 19 Apr	Ryanair
17 Apr - 26 Apr	Ryanair
10 Apr - 27 Apr	Ryanair
23 Apr - 10 May	Ryanair
28 Apr - 10 May	Lufthansa	direct
27 Apr - 02 May	Lufthansa	direct
19 Apr - 01 May	Lufthansa	direct
28 Apr - 09 May	Lufthansa	direct
29 Apr - 09 May	Lufthansa	direct
27 Apr - 10 May	Ryanair
30 Apr - 10 May	Air Serbia

Also check the deals for one-way flights from Frankfurt to Zagreb 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 Frankfurt to Zagreb in April from $114

Return flights