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

Return flights

28 Apr - 12 May	WestJet
15 Apr - 19 Apr	WestJet
20 Apr - 29 Apr	WestJet
30 Apr - 11 May	WestJet
28 Apr - 14 May	WestJet
29 Apr - 06 May	WestJet
29 Apr - 14 May	WestJet
28 Apr - 20 May	WestJet
28 Apr - 19 May	WestJet
28 Apr - 09 May	WestJet
13 Apr - 06 May	WestJet
27 Apr - 01 May	WestJet
01 Apr - 26 Apr	WestJet
16 Apr - 24 Apr	Scandinavian Airlines
15 Apr - 21 Apr	WestJet
14 Apr - 20 Apr	Aer Lingus
02 Apr - 07 Apr	Aer Lingus
21 Apr - 28 Apr	Aer Lingus
01 Apr - 08 Apr	Aer Lingus
08 Apr - 20 Apr	Aer Lingus

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 404€

Return flights