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

Return flights

05 Mar - 22 Mar	Ryanair
04 Mar - 15 Mar	Ryanair
21 Mar - 30 Mar	Ryanair
12 Mar - 18 Mar	Ryanair
01 Mar - 08 Mar	Ryanair
05 Mar - 09 Mar	Ryanair
12 Mar - 21 Mar	Ryanair
13 Mar - 21 Mar	Ryanair
15 Mar - 21 Mar	Ryanair
17 Mar - 21 Mar	Ryanair
25 Mar - 01 Apr	Aer Lingus
30 Mar - 13 Apr	Ryanair
02 Mar - 16 Apr	British Airways
04 Mar - 01 Apr	British Airways
16 Mar - 16 Apr	Ryanair
15 Mar - 16 Apr	Ryanair
02 Mar - 16 Apr	Aer Lingus	direct
30 Mar - 12 Apr	Aer Lingus
02 Mar - 06 Apr	British Airways
16 Mar - 16 Apr	Aer Lingus	direct

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 428€

Return flights