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

Return flights

09 Dec - 14 Dec	TAP
01 Dec - 07 Dec	TAP
17 Dec - 01 Jan	Icelandair
17 Dec - 27 Dec	Icelandair
22 Dec - 03 Jan	Iberia
18 Dec - 30 Dec	Icelandair
18 Dec - 03 Jan	Icelandair
10 Dec - 02 Jan	TAP
26 Dec - 02 Jan	Iberia
22 Dec - 02 Jan	Air France

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 523€

Return flights