Cheapest return flights from Newark to Lisbon in September from $549

AirHint found the following cheapest return flights from Newark (EWR) to Lisbon (LIS) in September 2026 (see full year).

Return flights

03 Sep - 26 Sep British Airways
04 Sep - 26 Sep TAP direct
03 Sep - 26 Sep Brussels Airlines direct

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

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