Cheapest return JFK–LHR flights, September

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

Return flights

08 Sep - 15 Sep LEVEL
20 Sep - 28 Sep LEVEL
20 Sep - 30 Sep LEVEL
29 Sep - 06 Oct LEVEL
04 Sep - 31 Oct Icelandair
13 Sep - 26 Sep Icelandair
17 Sep - 28 Sep Icelandair
12 Sep - 22 Sep Icelandair
15 Sep - 19 Sep Icelandair
30 Sep - 06 Oct Icelandair
12 Sep - 19 Sep Icelandair
21 Sep - 29 Sep Icelandair
06 Sep - 27 Sep Icelandair
30 Sep - 27 Oct Icelandair
29 Sep - 05 Oct Icelandair
30 Sep - 07 Oct Icelandair
30 Sep - 27 Oct Finnair direct
25 Sep - 02 Oct Icelandair
26 Sep - 03 Oct Icelandair
27 Sep - 04 Oct Icelandair

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

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