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

Return flights

01 Dec - 10 Dec	Ryanair
12 Dec - 17 Dec	Ryanair
17 Dec - 06 Jan	Ryanair
06 Dec - 13 Dec	Ryanair
17 Dec - 07 Jan	Ryanair
01 Dec - 08 Dec	Ryanair
09 Dec - 16 Dec	easyJet
13 Dec - 04 Jan	Ryanair
04 Dec - 08 Dec	Ryanair
10 Dec - 16 Dec	easyJet
01 Dec - 04 Dec	Ryanair
04 Dec - 07 Dec	Ryanair
05 Dec - 12 Dec	easyJet
28 Dec - 04 Jan	Ryanair
15 Dec - 01 Jan	Ryanair
17 Dec - 03 Jan	Ryanair
19 Dec - 06 Jan	Ryanair
29 Dec - 04 Jan	easyJet
08 Dec - 12 Jan	easyJet
27 Dec - 10 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 395€

Return flights