AirHint found the following cheapest return flights from London (LON) to Toronto (YYZ)
in May 2025 (see full year ).
Return flights
28 May
- 12 Jun
Air Transat
$ 417
07 May
- 28 May
Air Transat
$ 418
direct
02 May
- 22 May
Air Transat
$ 418
28 May
- 11 Jun
Air Transat
$ 418
08 May
- 12 May
Icelandair
$ 422
20 May
- 02 Jun
Air Transat
$ 422
08 May
- 22 May
Air Transat
$ 423
direct
21 May
- 28 May
Air Transat
$ 428
03 May
- 21 May
Air Transat
$ 428
direct
27 May
- 03 Jun
Air Transat
$ 429
30 May
- 10 Jun
Air Transat
$ 431
direct
07 May
- 11 May
Icelandair
$ 433
02 May
- 21 May
Air Transat
$ 433
04 May
- 05 Jun
Air Transat
$ 434
13 May
- 23 May
Air Transat
$ 439
15 May
- 24 May
Air Transat
$ 439
28 May
- 03 Jun
Air Transat
$ 439
08 May
- 03 Jun
Air Transat
$ 439
30 May
- 17 Jun
Air Transat
$ 439
30 May
- 16 Jun
Air Transat
$ 439
Also check the deals for one-way flights from London to Toronto in May .
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.