Cheapest return flights from Porto to Newark in September from $488

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 September 2025 (see full year).

Return flights

22 Sep - 28 Sep TAP direct
18 Sep - 20 Sep TAP direct
17 Sep - 23 Sep TAP direct
16 Sep - 23 Sep TAP direct
05 Sep - 09 Sep Scandinavian Airlines
04 Sep - 12 Sep SWISS
04 Sep - 10 Sep SWISS
03 Sep - 15 Sep SWISS
04 Sep - 11 Sep Delta
19 Sep - 05 Oct SWISS
30 Sep - 05 Oct Delta
10 Sep - 14 Sep British Airways
22 Sep - 02 Oct British Airways
29 Sep - 05 Oct SWISS
19 Sep - 05 Oct Brussels Airlines direct
27 Sep - 03 Oct SWISS
28 Sep - 04 Oct easyJet
28 Sep - 02 Oct easyJet
29 Sep - 03 Oct easyJet
28 Sep - 03 Oct SWISS

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

Skyscanner

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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