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

Return flights

09 Mar - 15 Mar	Scandinavian Airlines
06 Mar - 15 Mar	Scandinavian Airlines
16 Mar - 22 Mar	Scandinavian Airlines
16 Mar - 24 Mar	Vueling Airlines
20 Mar - 28 Mar	SWISS
05 Mar - 11 Mar	Lufthansa
05 Mar - 08 Mar	Lufthansa
25 Mar - 06 Apr	SWISS
02 Mar - 09 Mar	Vueling Airlines
16 Mar - 23 Mar	SWISS
06 Mar - 10 Mar	Lufthansa
25 Mar - 01 Apr	Lufthansa
24 Mar - 07 Apr	Lufthansa
26 Mar - 06 Apr	SWISS
25 Mar - 05 Apr	SWISS
26 Mar - 02 Apr	Lufthansa
26 Mar - 04 Apr	SWISS
30 Mar - 05 Apr	SWISS
28 Mar - 06 Apr	SWISS
26 Mar - 07 Apr	Lufthansa

Also check the deals for one-way flights from Porto 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 Porto to New York in March from 302€

Return flights