Cheapest return flights from Toronto to Castries in May from $1083

AirHint found the following cheapest return flights from Toronto (YTZ) to Castries (SLU) in May 2026 (see full year).

Return flights

21 May - 27 May Porter Airlines (Canada) Ltd
24 May - 27 May Porter Airlines (Canada) Ltd
19 May - 26 May Porter Airlines (Canada) Ltd
20 May - 26 May Porter Airlines (Canada) Ltd
21 May - 26 May Porter Airlines (Canada) Ltd
20 May - 24 May Porter Airlines (Canada) Ltd
17 May - 26 May Porter Airlines (Canada) Ltd
18 May - 25 May Porter Airlines (Canada) Ltd
16 May - 25 May Porter Airlines (Canada) Ltd
15 May - 20 May Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Toronto to Castries 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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