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

Return flights

27 Aug - 03 Sep	SWISS
26 Aug - 03 Sep	SWISS
29 Aug - 03 Sep	SWISS
27 Aug - 31 Aug	SWISS
27 Aug - 02 Sep	SWISS
26 Aug - 31 Aug	SWISS
26 Aug - 01 Sep	SWISS
21 Aug - 31 Aug	Lufthansa
24 Aug - 31 Aug	Lufthansa
26 Aug - 02 Sep	ITA Airways
25 Aug - 01 Sep	ITA Airways
25 Aug - 30 Aug	Lufthansa
24 Aug - 30 Aug	Lufthansa
18 Aug - 31 Aug	ITA Airways
28 Aug - 31 Aug	ITA Airways
18 Aug - 26 Aug	ITA Airways
18 Aug - 25 Aug	ITA Airways
19 Aug - 02 Sep	ITA Airways
29 Aug - 02 Sep	SWISS
25 Aug - 03 Sep	ITA Airways

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

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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Cheapest return flights from London to New York in August from 450€

Return flights