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

Return flights

04 Dec - 08 Dec	Wizz Air Malta
02 Dec - 08 Dec	Finnair
09 Dec - 14 Dec	British Airways
02 Dec - 09 Dec	British Airways
02 Dec - 07 Dec	British Airways
28 Dec - 05 Jan	Wizz Air Malta
01 Dec - 08 Dec	KLM
10 Dec - 14 Dec	Ryanair
07 Dec - 11 Dec	Finnair
05 Dec - 09 Dec	British Airways
05 Dec - 10 Dec	British Airways
30 Dec - 06 Jan	Lufthansa
29 Dec - 15 Jan	Lufthansa
28 Dec - 02 Jan	Wizz Air Malta
30 Dec - 02 Jan	easyJet
29 Dec - 02 Jan	Icelandair
25 Dec - 02 Jan	British Airways

Also check the deals for one-way flights from Glasgow 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 Glasgow to New York in December from 570€

Return flights