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

Return flights

20 Jan - 25 Jan	Ryanair
21 Jan - 25 Jan	Aer Lingus
21 Jan - 26 Jan	British Airways
09 Jan - 18 Jan	British Airways
18 Jan - 30 Jan	British Airways
20 Jan - 26 Jan	British Airways
29 Jan - 04 Feb	British Airways
28 Jan - 04 Feb	British Airways
28 Jan - 02 Feb	British Airways
28 Jan - 01 Feb	British Airways
20 Jan - 23 Jan	Ryanair
19 Jan - 23 Jan	Ryanair
09 Jan - 13 Jan	British Airways
30 Jan - 02 Feb	Aer Lingus
10 Jan - 19 Jan	British Airways

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 421€

Return flights