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

Return flights

01 May - 08 May	TAP	direct
03 May - 08 May	TAP	direct
02 May - 11 May	TAP	direct
02 May - 03 May	TAP	direct
07 May - 13 May	TAP	direct
08 May - 10 May	TAP	direct
04 May - 10 May	TAP	direct
04 May - 09 May	TAP
01 May - 06 May	TAP
01 May - 07 May	TAP
28 May - 04 Jun	Ryanair
31 May - 07 Jun	Delta
26 May - 01 Jun	easyJet
30 May - 05 Jun	easyJet
30 May - 12 Jun	SWISS

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

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 May from 427€

Return flights