AirHint found the following cheapest return flights from Glasgow (GLA) to New York (JFK) in December 2025 (see full year).

Return flights

11 Dec - 14 Dec	easyJet
08 Dec - 12 Dec	easyJet
08 Dec - 15 Dec	easyJet
03 Dec - 13 Dec	Ryanair
03 Dec - 08 Dec	Ryanair
16 Dec - 23 Dec	British Airways
04 Dec - 11 Dec	British Airways
27 Dec - 07 Jan	Air France
13 Dec - 20 Dec	British Airways
01 Dec - 07 Dec	easyJet
04 Dec - 07 Dec	easyJet
30 Dec - 06 Jan	Air France
27 Dec - 09 Jan	Air France
27 Dec - 10 Jan	Air France
30 Dec - 05 Jan	easyJet
20 Dec - 10 Jan	British Airways
27 Dec - 02 Jan	Ryanair
27 Dec - 03 Jan	Icelandair
22 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 $466

Return flights