Cheapest return EWR–OPO flights, August

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

Return flights

20 Aug - 27 Aug Scandinavian Airlines
27 Aug - 03 Sep Scandinavian Airlines
17 Aug - 24 Aug Air Canada
18 Aug - 25 Aug Air Canada
19 Aug - 26 Aug Air Canada
24 Aug - 31 Aug Air Canada
31 Aug - 07 Sep Icelandair
12 Aug - 19 Aug Air Canada
30 Aug - 06 Sep Icelandair
14 Aug - 21 Aug Air Canada
29 Aug - 05 Sep Icelandair
13 Aug - 20 Aug Air Canada
11 Aug - 18 Aug Air Transat
25 Aug - 01 Sep Air Transat
16 Aug - 23 Aug Air Canada
26 Aug - 02 Sep Scandinavian Airlines
27 Aug - 02 Sep Scandinavian Airlines
27 Aug - 06 Sep Air Transat
27 Aug - 08 Sep Air Transat
28 Aug - 04 Sep Icelandair

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

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