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

Return flights

28 Aug - 01 Sep	Ryanair
21 Aug - 25 Aug	Ryanair
27 Aug - 31 Aug	Ryanair
20 Aug - 25 Aug	Ryanair
21 Aug - 29 Aug	Ryanair
26 Aug - 01 Sep	Ryanair
20 Aug - 29 Aug	Ryanair
28 Aug - 08 Sep	Ryanair
21 Aug - 27 Aug	Ryanair
13 Aug - 25 Aug	Ryanair
13 Aug - 18 Aug	Ryanair
28 Aug - 02 Sep	Ryanair
20 Aug - 01 Sep	Ryanair
25 Aug - 01 Sep	Ryanair
28 Aug - 04 Sep	Ryanair
27 Aug - 08 Sep	Ryanair
28 Aug - 05 Sep	Ryanair
20 Aug - 02 Sep	Ryanair
28 Aug - 31 Aug	Ryanair
19 Aug - 25 Aug	Ryanair

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 $479

Return flights