Cheapest return flights from Newark to Lisbon in September from $469

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

03 Sep - 14 Sep Icelandair
06 Sep - 14 Sep Icelandair
18 Sep - 22 Sep FrenchBee
18 Sep - 27 Sep FrenchBee
17 Sep - 24 Sep FrenchBee
26 Sep - 04 Oct FrenchBee
27 Sep - 06 Oct FrenchBee
15 Sep - 22 Sep FrenchBee
17 Sep - 22 Sep FrenchBee
21 Sep - 28 Sep FrenchBee
01 Sep - 09 Sep Scandinavian Airlines
18 Sep - 24 Sep FrenchBee
26 Sep - 05 Oct FrenchBee
30 Sep - 06 Oct TAP
27 Sep - 06 Oct TAP direct
23 Sep - 07 Oct Air Canada
22 Sep - 06 Oct Air Canada
27 Sep - 07 Oct TAP direct
30 Sep - 07 Oct United
28 Sep - 05 Oct Air Canada

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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