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

Return flights

01 Oct - 06 Oct	Transavia France
01 Oct - 05 Oct	Transavia France
10 Oct - 12 Oct	easyJet
08 Oct - 19 Oct	Transavia France
10 Oct - 15 Oct	Transavia France
07 Oct - 15 Oct	easyJet
03 Oct - 12 Oct	TAP	direct
01 Oct - 15 Oct	SWISS
15 Oct - 20 Oct	SWISS
24 Oct - 27 Oct	TAP	direct
31 Oct - 03 Nov	TAP	direct
26 Oct - 04 Nov	TAP	direct
14 Oct - 11 Nov	TAP	direct
27 Oct - 02 Nov	TAP	direct
31 Oct - 07 Nov	SWISS
27 Oct - 03 Nov	SWISS
31 Oct - 07 Nov	Brussels Airlines	direct
27 Oct - 03 Nov	TAP	direct

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

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.

Book a cheap hotel in Newark

Cheap car rent in Newark

Cheapest return flights from Porto to Newark in October from 361€

Return flights