Cheapest return flights from Newark to Lisbon in September from $571

Best time to book flights for Newark (EWR) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Newark (EWR) to Lisbon (LIS) in September 2025 (see full year).

Return flights

01 Sep - 10 Sep Scandinavian Airlines
06 Sep - 14 Sep Icelandair
08 Sep - 15 Sep FrenchBee
11 Sep - 22 Sep FrenchBee
15 Sep - 20 Sep FrenchBee
17 Sep - 20 Sep FrenchBee
12 Sep - 19 Sep FrenchBee
13 Sep - 20 Sep FrenchBee
11 Sep - 18 Sep FrenchBee
21 Sep - 30 Sep FrenchBee
27 Sep - 04 Oct FrenchBee
30 Sep - 06 Oct TAP direct
20 Sep - 08 Oct British Airways
26 Sep - 05 Oct British Airways
25 Sep - 02 Oct British Airways
19 Sep - 05 Oct British Airways
25 Sep - 02 Oct TAP direct
26 Sep - 12 Oct FrenchBee
25 Sep - 05 Oct FrenchBee
20 Sep - 08 Oct TAP direct

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