Cheapest return flights from New York to Dublin in September from $354

AirHint found the following cheapest return flights from New York (JFK) to Dublin (DUB) in September 2026 (see full year).

Return flights

14 Sep - 24 Sep Icelandair
06 Sep - 14 Sep jetBlue direct
11 Sep - 25 Sep Aer Lingus direct
04 Sep - 12 Sep Aer Lingus direct
08 Sep - 22 Sep Air Canada
14 Sep - 24 Sep Aer Lingus direct
04 Sep - 07 Sep Aer Lingus direct
05 Sep - 08 Sep Aer Lingus direct
05 Sep - 12 Sep Aer Lingus direct
06 Sep - 13 Sep Aer Lingus direct
28 Sep - 01 Oct Aer Lingus direct
08 Sep - 06 Oct Scandinavian Airlines

Also check the deals for one-way flights from New York to Dublin in September.

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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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