AirHint found the following cheapest return flights from Glasgow (GLA) to Toronto (YYZ) in September 2025 (see full year).

Return flights

16 Sep - 22 Sep	Ryanair
15 Sep - 22 Sep	Ryanair
12 Sep - 14 Sep	Air Transat	direct
11 Sep - 14 Sep	Air Transat	direct
16 Sep - 21 Sep	Aer Lingus
17 Sep - 21 Sep	Aer Lingus
12 Sep - 13 Oct	Aer Lingus
14 Sep - 28 Sep	Ryanair
14 Sep - 21 Sep	Ryanair
15 Sep - 23 Sep	Air Transat	direct
26 Sep - 06 Oct	Air Transat
10 Sep - 21 Sep	Ryanair
12 Sep - 13 Oct	Air Transat	direct
29 Sep - 06 Oct	Air Transat
29 Sep - 05 Oct	Air Transat
27 Sep - 06 Oct	Air Transat
26 Sep - 02 Oct	Air Transat
26 Sep - 01 Oct	Air Transat
30 Sep - 24 Oct	easyJet
13 Sep - 17 Oct	Ryanair

Also check the deals for one-way flights from Glasgow to Toronto 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 Toronto in September from 393€

Return flights