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

Return flights

26 May - 10 Jun	Ryanair
26 May - 01 Jun	Ryanair
26 May - 31 May	Ryanair
18 May - 24 May	Ryanair
18 May - 01 Jun	Ryanair
26 May - 29 May	Ryanair
08 May - 22 May	Ryanair
18 May - 23 May	Ryanair
23 May - 27 May	Ryanair
22 May - 24 May	Ryanair
28 May - 04 Jun	Ryanair
22 May - 29 May	Ryanair
28 May - 01 Jun	Ryanair
04 May - 16 May	Ryanair
14 May - 22 May	Ryanair
30 May - 14 Jun	Ryanair
30 May - 05 Jun	Ryanair
29 May - 01 Jun	Ryanair
22 May - 05 Jun	Ryanair
28 May - 11 Jun	Ryanair

Also check the deals for one-way flights from Cardiff 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 Cardiff to Toronto in May from $539

Return flights