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

Return flights

15 Sep - 22 Sep	Icelandair
11 Sep - 15 Sep	Icelandair
19 Sep - 22 Sep	Icelandair
14 Sep - 18 Sep	Icelandair
10 Sep - 14 Sep	Icelandair
17 Sep - 21 Sep	Icelandair
18 Sep - 22 Sep	Icelandair
24 Sep - 28 Sep	Icelandair
15 Sep - 20 Sep	Icelandair
07 Sep - 13 Sep	Icelandair
30 Sep - 10 Oct	British Airways
25 Sep - 09 Oct	Lufthansa
29 Sep - 06 Oct	Icelandair
27 Sep - 03 Oct	Lufthansa
28 Sep - 02 Oct	easyJet

Also check the deals for one-way flights from Glasgow to New York in September.

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 September from $539

Return flights