Cheapest return JFK–LHR flights, December

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

Return flights

04 Dec - 13 Dec Air Europa
01 Dec - 08 Dec Icelandair
29 Dec - 11 Jan TAP
04 Dec - 11 Dec LEVEL
09 Dec - 12 Dec Air Canada
03 Dec - 13 Dec Aer Lingus
09 Dec - 14 Dec Aer Lingus
10 Dec - 15 Dec Aer Lingus
31 Dec - 31 Jan Finnair
31 Dec - 10 Jan Delta
09 Dec - 12 Dec KLM direct
01 Dec - 08 Dec British Airways direct
04 Dec - 13 Dec Air France direct
29 Dec - 11 Jan British Airways direct
31 Dec - 31 Jan Air France direct
16 Dec - 24 Jan British Airways direct
24 Dec - 09 Jan Finnair direct
16 Dec - 06 Jan jetBlue direct
30 Dec - 04 Jan Air Canada
31 Dec - 04 Jan Air Canada

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

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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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