Cheapest return BOS–ZAG flights, June

AirHint found the following cheapest return flights from Boston (BOS) to Zagreb (ZAG) in June 2026 (see full year).

Return flights

03 Jun - 17 Jun Porter Airlines (Canada) Ltd
25 Jun - 09 Jul LEVEL
04 Jun - 13 Jun Icelandair
15 Jun - 07 Jul Porter Airlines (Canada) Ltd
18 Jun - 06 Jul Porter Airlines (Canada) Ltd
18 Jun - 05 Jul Porter Airlines (Canada) Ltd
30 Jun - 31 Jul Icelandair
22 Jun - 06 Jul Porter Airlines (Canada) Ltd
26 Jun - 02 Jul Condor

Also check the deals for one-way flights from Boston to Zagreb in June.

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