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

Return flights

15 Apr - 28 Apr	TAP
06 Apr - 20 Apr	TAP
06 Apr - 13 Apr	TAP
06 Apr - 22 Apr	TAP
08 Apr - 19 Apr	TAP
19 Apr - 26 Apr	TAP
22 Apr - 26 Apr	TAP
20 Apr - 28 Apr	TAP
01 Apr - 13 Apr	TAP
22 Apr - 28 Apr	TAP
28 Apr - 04 May	TAP
29 Apr - 10 May	TAP
29 Apr - 04 May	TAP
15 Apr - 05 May	TAP
20 Apr - 04 May	TAP
29 Apr - 13 May	TAP
29 Apr - 05 May	TAP
22 Apr - 04 May	TAP
27 Apr - 06 May	TAP
20 Apr - 02 May	TAP

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

Cheap car rent in London

Cheapest return flights from Toronto to London in April from $515

Return flights