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

Return flights

04 Dec - 07 Dec	easyJet
04 Dec - 09 Dec	easyJet
06 Dec - 09 Dec	easyJet
10 Dec - 15 Dec	Wizz Air Malta
03 Dec - 07 Dec	easyJet
05 Dec - 07 Dec	easyJet
04 Dec - 08 Dec	easyJet
08 Dec - 12 Dec	easyJet
05 Dec - 06 Jan	easyJet
07 Dec - 10 Dec	easyJet
05 Dec - 08 Dec	easyJet
30 Dec - 10 Jan	Air France
16 Dec - 08 Jan	Air France
22 Dec - 08 Jan	Ryanair
20 Dec - 19 Jan	Ryanair
28 Dec - 05 Jan	easyJet
20 Dec - 03 Jan	Ryanair
19 Dec - 03 Jan	Ryanair
29 Dec - 01 Jan	easyJet
28 Dec - 01 Jan	Ryanair

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 $474

Return flights