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

Return flights

06 May - 10 May	Ryanair
20 May - 25 May	Ryanair
04 May - 18 May	easyJet
05 May - 18 May	easyJet
06 May - 11 May	Ryanair
03 May - 10 May	easyJet
10 May - 17 May	Ryanair
13 May - 26 May	Ryanair
26 May - 23 Jun	Ryanair
14 May - 18 May	Ryanair
27 May - 10 Jun	Ryanair
27 May - 09 Jun	Ryanair
26 May - 31 May	Ryanair
27 May - 01 Jun	Ryanair
30 May - 07 Jun	Ryanair
30 May - 22 Jun	Ryanair
31 May - 06 Jun	Ryanair
28 May - 05 Jun	Wizz Air UK
18 May - 03 Jun	easyJet
20 May - 05 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 $636

Return flights