Cheapest return flights from Porto to Newark in May from $481

Best time to book flights for Porto (OPO) to Newark (EWR) flights at AirHint

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

Return flights

20 May - 27 May SWISS
07 May - 11 May SWISS
14 May - 02 Jun Air Canada
21 May - 27 May Lufthansa
03 May - 15 May KLM
02 May - 10 May Delta
29 May - 04 Jun Ryanair
18 May - 01 Jun Delta
25 May - 08 Jun Delta
07 May - 14 May Ryanair
22 May - 10 Jun SWISS
15 May - 26 May Delta
02 May - 06 May Delta
21 May - 26 May Delta
22 May - 26 May Delta
21 May - 11 Jun SWISS
29 May - 02 Jun Ryanair
21 May - 04 Jun United
14 May - 02 Jun Brussels Airlines direct
19 May - 11 Jun TAP direct

Also check the deals for one-way flights from Porto to Newark 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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