AirHint found the following cheapest return flights from London (LTN) to Toronto (YYZ) in December 2025 (see full year).

Return flights

17 Dec - 10 Jan	Ryanair
05 Dec - 12 Dec	easyJet
17 Dec - 23 Dec	Ryanair
17 Dec - 03 Jan	Ryanair
17 Dec - 04 Jan	Ryanair
07 Dec - 14 Jan	Ryanair
05 Dec - 08 Dec	easyJet
01 Dec - 13 Jan	easyJet
05 Dec - 10 Dec	easyJet
14 Dec - 17 Dec	easyJet
06 Dec - 13 Dec	easyJet
12 Dec - 15 Dec	easyJet
16 Dec - 06 Jan	easyJet
04 Dec - 05 Dec	Ryanair
18 Dec - 25 Dec	easyJet
13 Dec - 24 Dec	easyJet
15 Dec - 05 Jan	easyJet
26 Dec - 11 Jan	easyJet
24 Dec - 08 Jan	easyJet
27 Dec - 03 Jan	easyJet

Also check the deals for one-way flights from London to Toronto 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 London to Toronto in December from $570

Return flights