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

Return flights

21 Apr - 12 May	Aer Lingus
27 Apr - 05 May	Icelandair
21 Apr - 16 May	Icelandair
17 Apr - 23 Apr	Icelandair
29 Apr - 11 May	WestJet
02 Apr - 13 Apr	Aer Lingus
08 Apr - 17 Apr	Aer Lingus
06 Apr - 15 Apr	Aer Lingus
20 Apr - 07 May	WestJet
03 Apr - 12 Apr	Aer Lingus
23 Apr - 16 May	Aer Lingus
04 Apr - 13 Apr	Aer Lingus
10 Apr - 25 Apr	WestJet
09 Apr - 12 Apr	Aer Lingus
07 Apr - 02 May	Aer Lingus
01 Apr - 25 Apr	Aer Lingus
02 Apr - 11 Apr	Aer Lingus
06 Apr - 02 May	Aer Lingus
17 Apr - 01 May	Air Transat
30 Apr - 23 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.

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Cheapest return flights from Toronto to London in April from 465€

Return flights