Cheapest return JFK–LIS flights, September

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

Return flights

29 Sep - 06 Oct Air Europa
13 Sep - 20 Sep Air Europa
29 Sep - 07 Oct Air Europa
03 Sep - 10 Sep Air Europa
24 Sep - 29 Sep Air Europa
17 Sep - 21 Sep LEVEL
08 Sep - 18 Sep Air Europa
08 Sep - 15 Sep Air Europa
15 Sep - 21 Sep LEVEL
15 Sep - 29 Sep Air Europa
13 Sep - 19 Sep Air Europa
20 Sep - 25 Sep Air Europa
26 Sep - 03 Oct Delta direct
29 Sep - 07 Oct TAP direct
28 Sep - 02 Oct Iberia
29 Sep - 06 Oct TAP direct
10 Sep - 07 Oct LEVEL
28 Sep - 02 Oct TAP direct
21 Sep - 04 Oct British Airways
10 Sep - 07 Oct Air France direct

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

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