Cheapest return flights from London to Toronto in December from 436€

Best time to book flights for London (LHR) to Toronto (YYZ) flights at AirHint

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

Return flights

03 Dec - 07 Dec Lufthansa
01 Dec - 16 Dec Lufthansa
02 Dec - 10 Dec Lufthansa
01 Dec - 11 Dec Lufthansa
03 Dec - 15 Jan Lufthansa
10 Dec - 17 Dec Icelandair
12 Dec - 22 Dec Icelandair
10 Dec - 21 Dec Icelandair
12 Dec - 18 Dec SWISS
05 Dec - 29 Dec SWISS
26 Dec - 06 Jan Lufthansa
01 Dec - 16 Dec Lufthansa direct
28 Dec - 10 Jan Air Canada direct
27 Dec - 05 Jan Air Canada
24 Dec - 05 Jan SWISS
03 Dec - 15 Jan British Airways direct
15 Dec - 05 Jan Austrian Airlines
18 Dec - 04 Jan TAP
19 Dec - 03 Jan TAP
19 Dec - 01 Jan TAP

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

Skyscanner

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.

Book a cheap hotel in Toronto

Cheap car rent in Toronto