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

Return flights

09 May - 23 May	Ryanair
04 May - 19 May	Ryanair
10 May - 19 May	Ryanair
04 May - 10 May	Ryanair
04 May - 12 May	Ryanair
05 May - 12 May	Wizz Air Malta
05 May - 19 May	Ryanair
31 May - 08 Jun	Ryanair
19 May - 09 Jun	Ryanair
14 May - 08 Jun	Ryanair
19 May - 02 Jun	Ryanair
31 May - 15 Jun	Ryanair
18 May - 31 May	Ryanair
13 May - 18 May	Ryanair
18 May - 23 May	Ryanair
12 May - 02 Jun	Ryanair
10 May - 15 Jun	Ryanair
10 May - 14 Jun	Ryanair
10 May - 16 Jun	Ryanair
28 May - 07 Jun	Ryanair

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

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 London to Toronto in May from 412€

Return flights