AirHint found the following cheapest return flights from Shannon (SNN) to New York (JFK) in January 2026 (see full year).

Return flights

31 Jan - 07 Feb	British Airways
26 Jan - 02 Feb	Ryanair
28 Jan - 04 Feb	Aer Lingus
29 Jan - 03 Feb	Ryanair
27 Jan - 03 Feb	British Airways
28 Jan - 02 Feb	British Airways
27 Jan - 06 Feb	British Airways
27 Jan - 30 Jan	British Airways
24 Jan - 02 Feb	British Airways
25 Jan - 31 Jan	British Airways
25 Jan - 29 Jan	Ryanair
30 Jan - 07 Feb	Aer Lingus

Also check the deals for one-way flights from Shannon to New York in January.

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 Shannon to New York in January from $556

Return flights