AirHint found the following cheapest return flights from Cork (ORK) to New York (JFK) in December 2025 (see full year).

Return flights

04 Dec - 08 Dec	KLM
07 Dec - 10 Dec	Aer Lingus
05 Dec - 06 Dec	Aer Lingus
02 Dec - 04 Dec	Ryanair
01 Dec - 28 Dec	Ryanair
20 Dec - 30 Dec	British Airways
20 Dec - 27 Dec	Ryanair
27 Dec - 31 Dec	Ryanair
20 Dec - 26 Dec	Ryanair
29 Dec - 05 Jan	Ryanair
27 Dec - 04 Jan	Ryanair
29 Dec - 02 Jan	Ryanair
30 Dec - 02 Jan	Ryanair
27 Dec - 01 Jan	Ryanair
30 Dec - 03 Jan	Ryanair

Also check the deals for one-way flights from Cork to New York in December.

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 Cork to New York in December from 431€

Return flights