Cheapest return flights from New York to Dublin in September from $341

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

Return flights

02 Sep - 08 Sep Lufthansa
08 Sep - 15 Sep United
04 Sep - 07 Sep Air Canada
14 Sep - 24 Sep Lufthansa
09 Sep - 16 Sep United
07 Sep - 15 Sep Delta
07 Sep - 14 Sep Delta
17 Sep - 21 Sep Air Canada
17 Sep - 23 Sep Air Canada
30 Sep - 05 Oct Air Canada
05 Sep - 09 Sep Air Canada
25 Sep - 09 Oct Air Canada
03 Sep - 06 Oct Air Canada
30 Sep - 11 Oct British Airways

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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