AirHint found the following cheapest return flights from London (LCY) to Toronto (YYZ) in April 2026 (see full year).

Return flights

11 Apr - 19 Apr	Delta
13 Apr - 19 Apr	Delta
06 Apr - 19 Apr	Delta
10 Apr - 19 Apr	Delta
30 Apr - 12 May	SWISS
10 Apr - 20 Apr	KLM
23 Apr - 27 Apr	KLM
13 Apr - 26 Apr	Virgin Atlantic
20 Apr - 26 Apr	Virgin Atlantic
13 Apr - 21 Apr	KLM
21 Apr - 26 Apr	Virgin Atlantic
27 Apr - 17 May	Delta
20 Apr - 03 May	Delta
29 Apr - 05 May	SWISS
22 Apr - 05 May	SWISS
24 Apr - 10 May	Delta
23 Apr - 03 May	Delta
22 Apr - 03 May	SWISS
29 Apr - 04 May	Aer Lingus
27 Apr - 05 May	Aer Lingus

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

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

Cheapest return flights from London to Toronto in April from $622

Return flights