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

Return flights

12 Mar - 22 Mar	Ryanair
07 Mar - 30 Mar	Ryanair
15 Mar - 20 Mar	Ryanair
14 Mar - 22 Mar	Ryanair
12 Mar - 15 Mar	Ryanair
09 Mar - 20 Mar	Ryanair
04 Mar - 10 Mar	Aer Lingus	direct
01 Mar - 09 Mar	British Airways
03 Mar - 10 Mar	British Airways
01 Mar - 08 Mar	British Airways
03 Mar - 04 Apr	British Airways
27 Mar - 20 Apr	British Airways
29 Mar - 04 Apr	Aer Lingus
25 Mar - 10 Apr	British Airways
24 Mar - 10 Apr	British Airways
28 Mar - 08 Apr	Ryanair
29 Mar - 16 Apr	British Airways
31 Mar - 07 Apr	Ryanair
31 Mar - 04 Apr	Ryanair
30 Mar - 08 Apr	Ryanair

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

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 March from 424€

Return flights