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

Return flights

30 Aug - 06 Sep	Lufthansa
28 Aug - 06 Sep	Lufthansa
27 Aug - 06 Sep	Lufthansa
29 Aug - 06 Sep	SWISS
26 Aug - 04 Sep	KLM
23 Aug - 06 Sep	Lufthansa
31 Aug - 04 Sep	KLM
27 Aug - 11 Sep	SWISS
28 Aug - 07 Sep	KLM
26 Aug - 31 Aug	Lufthansa
03 Aug - 06 Aug	KLM
25 Aug - 30 Aug	Lufthansa
26 Aug - 30 Aug	Lufthansa
25 Aug - 29 Aug	Lufthansa
25 Aug - 31 Aug	KLM
01 Aug - 03 Sep	KLM
20 Aug - 27 Aug	Lufthansa
01 Aug - 04 Aug	KLM
23 Aug - 30 Aug	SWISS
21 Aug - 30 Aug	KLM

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 659€

Return flights