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

Return flights

07 Dec - 11 Dec	Ryanair
05 Dec - 08 Dec	Ryanair
01 Dec - 08 Dec	Ryanair
05 Dec - 10 Dec	Ryanair
02 Dec - 08 Dec	Ryanair
18 Dec - 11 Jan	Ryanair
08 Dec - 11 Jan	Ryanair
15 Dec - 10 Jan	Ryanair
12 Dec - 16 Dec	Ryanair
16 Dec - 12 Jan	Ryanair
09 Dec - 16 Dec	Ryanair
05 Dec - 09 Dec	Ryanair
15 Dec - 15 Jan	Ryanair
16 Dec - 10 Jan	Ryanair
11 Dec - 19 Jan	Ryanair
15 Dec - 18 Jan	Ryanair
16 Dec - 19 Jan	Ryanair
08 Dec - 13 Jan	Ryanair
05 Dec - 07 Dec	Ryanair
01 Dec - 10 Dec	Ryanair

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

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 December from $491

Return flights