Cheapest return flights from New York to Dublin in September from $339

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

Return flights

07 Sep - 14 Sep Air Canada
08 Sep - 16 Sep Air Canada
14 Sep - 21 Sep Air Canada
11 Sep - 19 Sep Air Canada
01 Sep - 08 Sep Air Canada
07 Sep - 14 Sep Aer Lingus direct
01 Sep - 08 Sep Aer Lingus direct
18 Sep - 21 Sep Air Canada
11 Sep - 19 Sep Aer Lingus direct
08 Sep - 16 Sep Aer Lingus direct

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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