Cheapest return flights from New York to London in September from $1105

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

Return flights

03 Sep - 26 Sep Porter Airlines (Canada) Ltd
02 Sep - 16 Sep Porter Airlines (Canada) Ltd
24 Sep - 28 Sep Porter Airlines (Canada) Ltd
03 Sep - 10 Sep Porter Airlines (Canada) Ltd
09 Sep - 25 Sep Air Transat
02 Sep - 12 Sep Air Transat
01 Sep - 15 Sep Porter Airlines (Canada) Ltd
03 Sep - 07 Sep Air Transat
17 Sep - 27 Sep Air Transat
15 Sep - 29 Sep Porter Airlines (Canada) Ltd

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

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