Cheapest return flights from London to Toronto in May from $628

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

Return flights

01 May - 10 May SWISS
06 May - 14 May SWISS
06 May - 18 May SWISS
11 May - 21 May SWISS
01 May - 05 May SWISS
04 May - 10 May SWISS
14 May - 19 May SWISS
01 May - 07 May SWISS
11 May - 19 May SWISS
06 May - 17 May Delta
11 May - 08 Jun British Airways
27 May - 01 Jun British Airways
22 May - 01 Jun British Airways
22 May - 02 Jun British Airways
11 May - 17 Jun British Airways
29 May - 07 Jun British Airways
29 May - 01 Jun British Airways
27 May - 14 Jun British Airways
27 May - 02 Jun British Airways
27 May - 10 Jun British Airways

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

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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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