AirHint found the following cheapest return flights from New York (NYC) to London (STN) in December 2026 (see full year).

Return flights

02 Dec - 09 Dec	Iberia
02 Dec - 06 Dec	TAP
19 Dec - 09 Jan	Air Serbia
08 Dec - 13 Dec	TAP
19 Dec - 26 Dec	Air Serbia
10 Dec - 24 Dec	Finnair
27 Dec - 31 Dec	Iberia
21 Dec - 30 Dec	Iberia
19 Dec - 22 Dec	Air Serbia
27 Dec - 03 Jan	Iberia
18 Dec - 27 Dec	Aer Lingus
18 Dec - 29 Dec	Icelandair
25 Dec - 03 Jan	Iberia
26 Dec - 01 Jan	Iberia
29 Dec - 19 Jan	Turkish Airlines
18 Dec - 03 Jan	TAP
26 Dec - 02 Jan	Iberia
22 Dec - 03 Jan	Finnair
18 Dec - 02 Jan	Iberia
12 Dec - 19 Jan	Turkish Airlines

Also check the deals for one-way flights from New York to London 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 New York to London in December from 518€

Return flights