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

Return flights

29 Aug - 07 Sep	Ryanair
25 Aug - 28 Aug	Ryanair
29 Aug - 31 Aug	Ryanair
29 Aug - 06 Sep	Ryanair
29 Aug - 02 Sep	Ryanair
30 Aug - 02 Sep	Ryanair
27 Aug - 03 Sep	Ryanair
25 Aug - 31 Aug	Ryanair
28 Aug - 31 Aug	Ryanair
26 Aug - 30 Aug	Aer Lingus
27 Aug - 01 Sep	Ryanair
25 Aug - 01 Sep	Ryanair
25 Aug - 30 Aug	Ryanair
26 Aug - 31 Aug	Ryanair
25 Aug - 04 Sep	British Airways
27 Aug - 10 Sep	Finnair
29 Aug - 09 Sep	Aer Lingus
20 Aug - 25 Aug	Ryanair
14 Aug - 28 Aug	Ryanair
03 Aug - 14 Aug	British Airways

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

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 August from 354€

Return flights