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

Return flights

03 Apr - 17 Apr	Aer Lingus
07 Apr - 14 Apr	Air Transat
02 Apr - 09 Apr	Aer Lingus
01 Apr - 06 Apr	Aer Lingus
25 Apr - 02 May	Air Transat
21 Apr - 19 May	TAP
05 Apr - 15 Apr	Aer Lingus
13 Apr - 21 Apr	Aer Lingus
10 Apr - 20 Apr	Aer Lingus
03 Apr - 14 Apr	Air Transat

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.

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Cheapest return flights from Toronto to London in April from 560€

Return flights