Cheapest return flights from Newark to Lisbon in September from $517

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

29 Sep - 13 Oct TAP
23 Sep - 30 Sep TAP direct
29 Sep - 13 Oct TAP direct
18 Sep - 01 Oct TAP direct
21 Sep - 05 Oct TAP
21 Sep - 06 Oct TAP direct
20 Sep - 01 Oct TAP direct
01 Sep - 07 Sep Scandinavian Airlines
21 Sep - 05 Oct TAP direct
15 Sep - 29 Sep Turkish Airlines
18 Sep - 24 Sep TAP
10 Sep - 18 Sep Turkish Airlines
09 Sep - 24 Sep Turkish Airlines
18 Sep - 24 Sep TAP direct
21 Sep - 04 Oct FrenchBee
13 Sep - 01 Oct FrenchBee
05 Sep - 14 Sep Scandinavian Airlines
09 Sep - 20 Sep FrenchBee
19 Sep - 29 Sep TAP direct
20 Sep - 05 Oct TAP

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

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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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