Cheapest return flights from London to Toronto in May from $434

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

Return flights

05 May - 12 May Icelandair
06 May - 20 May Icelandair
12 May - 17 May Icelandair
13 May - 18 May Icelandair
14 May - 19 May Icelandair
02 May - 05 May Icelandair
11 May - 19 May Icelandair
02 May - 07 May Icelandair
01 May - 07 May Icelandair
01 May - 10 May Icelandair
12 May - 05 Jun British Airways
06 May - 06 Jun British Airways
14 May - 01 Jun British Airways
14 May - 01 Jun Air Canada direct
27 May - 01 Jun Aer Lingus
21 May - 02 Jun Aer Lingus
28 May - 04 Jun Aer Lingus
28 May - 11 Jun Aer Lingus
28 May - 13 Jun British Airways
30 May - 13 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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