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

Return flights

06 Dec - 10 Dec	Lufthansa
04 Dec - 08 Dec	Ryanair
05 Dec - 10 Dec	British Airways
02 Dec - 07 Dec	Finnair
02 Dec - 08 Dec	Finnair
03 Dec - 08 Dec	Finnair
05 Dec - 08 Dec	Finnair
05 Dec - 09 Dec	British Airways
03 Dec - 10 Dec	Finnair
03 Dec - 07 Dec	Finnair
30 Dec - 03 Jan	Lufthansa
21 Dec - 04 Jan	easyJet
29 Dec - 02 Jan	easyJet
28 Dec - 02 Jan	Lufthansa
27 Dec - 02 Jan	easyJet

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 466€

Return flights