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

17 Sep - 24 Sep Air Europa
13 Sep - 20 Sep Air Europa
03 Sep - 10 Sep Air Europa
22 Sep - 29 Sep Air Europa
26 Sep - 03 Oct Air Europa
08 Sep - 15 Sep Air Europa
01 Sep - 16 Sep Air Europa
18 Sep - 25 Sep Icelandair
03 Sep - 09 Sep Air Europa
06 Sep - 16 Sep LEVEL
22 Sep - 27 Sep Air Europa
25 Sep - 02 Oct Air Europa
25 Sep - 02 Oct Virgin Atlantic direct
26 Sep - 03 Oct Virgin Atlantic direct
29 Sep - 06 Oct Delta direct
25 Sep - 04 Oct Delta direct
16 Sep - 05 Oct Air France direct
21 Sep - 04 Oct British Airways
08 Sep - 13 Oct SWISS

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

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