AirHint found the following cheapest return flights from London (LHR) to New York (JFK) in July 2025 (see full year).

Return flights

15 Jul - 02 Aug	Lufthansa
16 Jul - 29 Jul	Lufthansa
16 Jul - 27 Jul	Lufthansa
15 Jul - 28 Jul	SWISS
16 Jul - 28 Jul	SWISS
15 Jul - 29 Jul	SWISS
16 Jul - 20 Jul	Lufthansa
15 Jul - 21 Jul	SWISS
15 Jul - 20 Jul	SWISS
16 Jul - 23 Jul	Lufthansa
15 Jul - 22 Jul	SWISS
15 Jul - 13 Aug	SWISS
16 Jul - 04 Aug	SWISS
15 Jul - 12 Aug	SWISS
16 Jul - 10 Aug	Lufthansa
16 Jul - 05 Aug	Virgin Atlantic	direct
16 Jul - 07 Aug	Virgin Atlantic	direct
16 Jul - 06 Aug	Virgin Atlantic	direct
16 Jul - 03 Aug	Virgin Atlantic	direct
16 Jul - 03 Aug	Lufthansa

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

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 July from 381€

Return flights