AirHint found the following cheapest return flights from Porto (OPO) to Newark (EWR) in June 2026 (see full year).

Return flights

09 Jun - 16 Jun	Iberia
05 Jun - 13 Jun	Iberia
16 Jun - 23 Jun	Iberia
04 Jun - 07 Jun	Iberia
04 Jun - 10 Jun	Iberia
03 Jun - 08 Jun	Iberia
07 Jun - 22 Jun	Iberia
05 Jun - 08 Jun	Iberia
05 Jun - 09 Jun	Iberia
10 Jun - 22 Jun	Iberia
10 Jun - 06 Jul	KLM
10 Jun - 10 Jul	Transavia France

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

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 Newark in June from $480

Return flights