Cheapest return flights from New York to Porto in May from $685

Best time to book flights for New York (LGA) to Porto (OPO) flights at AirHint

AirHint found the following cheapest return flights from New York (LGA) to Porto (OPO) in May 2025 (see full year).

Return flights

08 May - 12 May Air Canada
11 May - 13 May Air Canada
07 May - 15 May Air Canada
17 May - 24 May Air Canada
04 May - 11 May Air Canada
25 May - 10 Jun Air Transat
30 May - 05 Jun Porter Airlines (Canada) Ltd
20 May - 27 May Air Canada
26 May - 09 Jun Porter Airlines (Canada) Ltd
11 May - 15 May Air Transat
30 May - 10 Jun Air Transat
30 May - 17 Jun Porter Airlines (Canada) Ltd
21 May - 27 May Air Transat
11 May - 14 May Porter Airlines (Canada) Ltd
28 May - 02 Jun Air Transat
10 May - 17 May Air Canada
29 May - 03 Jun Porter Airlines (Canada) Ltd
26 May - 02 Jun Porter Airlines (Canada) Ltd
29 May - 02 Jun Porter Airlines (Canada) Ltd
22 May - 03 Jun Porter Airlines (Canada) Ltd

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

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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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