Cheapest return flights from New York to Porto in May from $526

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

Return flights

13 May - 20 May Air Canada
20 May - 28 May Air Canada
20 May - 25 May Air Canada
14 May - 18 May Air Canada
14 May - 17 May Air Canada
18 May - 31 May Air Canada
06 May - 11 May Air Transat
15 May - 18 May Air Canada
22 May - 08 Jun Air Transat
26 May - 09 Jun Air Canada
27 May - 03 Jun Porter Airlines (Canada) Ltd
15 May - 25 May Air Transat
21 May - 30 May Lufthansa
17 May - 15 Jun Air Transat
26 May - 02 Jun Porter Airlines (Canada) Ltd
29 May - 07 Jun Air Canada
26 May - 06 Jun British Airways
28 May - 04 Jun United

Also check the deals for one-way flights from New York to Porto in May.

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