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

Return flights

29 Jul - 20 Aug	Air Canada
27 Jul - 07 Aug	Air Canada
22 Jul - 11 Aug	Icelandair
30 Jul - 06 Aug	Air Canada
23 Jul - 28 Jul	Air Canada
23 Jul - 11 Aug	Air Canada
20 Jul - 06 Aug	Icelandair
23 Jul - 29 Jul	Air Canada
23 Jul - 30 Jul	Air Canada
30 Jul - 04 Aug	Aer Lingus
21 Jul - 28 Jul	Air Canada
21 Jul - 29 Jul	Air Canada
28 Jul - 05 Aug	Aer Lingus
29 Jul - 20 Aug	British Airways	direct
23 Jul - 26 Aug	Delta	direct
22 Jul - 28 Jul	Air Canada
22 Jul - 30 Jul	Air Canada
24 Jul - 29 Jul	Air Canada
21 Jul - 30 Jul	Delta
22 Jul - 29 Jul	British Airways	direct

Also check the deals for one-way flights from New York to London 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 New York to London in July from $495

Return flights