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

Return flights

03 Dec - 09 Dec	Ryanair
05 Dec - 14 Dec	Aer Lingus
09 Dec - 12 Dec	Ryanair
06 Dec - 12 Dec	Ryanair
04 Dec - 09 Dec	easyJet
01 Dec - 09 Dec	easyJet
09 Dec - 15 Dec	Ryanair
02 Dec - 03 Dec	easyJet
04 Dec - 07 Dec	easyJet
07 Dec - 13 Dec	Ryanair
17 Dec - 08 Jan	Ryanair
10 Dec - 23 Jan	Icelandair
12 Dec - 08 Jan	easyJet
18 Dec - 18 Jan	Jet2
31 Dec - 06 Jan	Wizz Air Malta
29 Dec - 21 Jan	Wizz Air Malta
31 Dec - 05 Jan	Wizz Air Malta
05 Dec - 06 Jan	Icelandair
13 Dec - 21 Jan	British Airways
11 Dec - 12 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 $517

Return flights