AirHint found the following cheapest return flights from Newark (EWR) to Ibiza (IBZ) in September 2025 (see full year).

Return flights

07 Sep - 23 Sep	TAP
14 Sep - 22 Sep	TAP
19 Sep - 26 Sep	Air Canada
01 Sep - 08 Sep	FrenchBee
26 Sep - 03 Oct	Air Canada
14 Sep - 18 Sep	FrenchBee
07 Sep - 12 Sep	TAP
08 Sep - 15 Sep	TAP
03 Sep - 06 Sep	Air Canada
11 Sep - 15 Sep	Air Canada
22 Sep - 24 Sep	FrenchBee
26 Sep - 06 Oct	TAP

Also check the deals for one-way flights from Newark to Ibiza in September.

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 Newark to Ibiza in September from $371

Return flights