AirHint found the following cheapest return flights from Toronto (YYZ) to London (LHR)
in December 2025 (see full year ).
Return flights
12 Dec
- 29 Dec
Icelandair
575 €
23 Dec
- 30 Dec
Icelandair
577 €
22 Dec
- 29 Dec
Icelandair
577 €
07 Dec
- 13 Dec
Icelandair
617 €
12 Dec
- 05 Jan
Icelandair
617 €
22 Dec
- 04 Jan
Icelandair
641 €
18 Dec
- 03 Jan
Icelandair
652 €
22 Dec
- 29 Dec
British Airways
657 €
direct
27 Dec
- 07 Jan
Icelandair
672 €
22 Dec
- 12 Jan
Air Canada
672 €
25 Dec
- 15 Jan
TAP
674 €
30 Dec
- 09 Jan
TAP
674 €
15 Dec
- 31 Dec
British Airways
676 €
direct
22 Dec
- 12 Jan
British Airways
680 €
direct
24 Dec
- 02 Jan
British Airways
691 €
direct
24 Dec
- 03 Jan
Icelandair
698 €
12 Dec
- 29 Dec
Lufthansa
705 €
direct
11 Dec
- 31 Dec
Icelandair
751 €
05 Dec
- 12 Dec
British Airways
828 €
direct
07 Dec
- 13 Dec
British Airways
937 €
direct
Also check the deals for one-way flights from Toronto to London 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.