Cheapest return flights from Ontario to Colombo in May from $1484

Best time to book flights for Ontario (ONT) to Colombo (CMB) flights at AirHint

AirHint found the following cheapest return flights from Ontario (ONT) to Colombo (CMB) in May 2025 (see full year).

Return flights

16 May - 30 May Etihad Airways
25 May - 12 Jun Etihad Airways
30 May - 08 Jun Etihad Airways
16 May - 23 May Etihad Airways
26 May - 26 Jun Etihad Airways
22 May - 01 Jun Etihad Airways
23 May - 01 Jun China Airlines
17 May - 24 May Alaska Airlines
17 May - 30 May Etihad Airways
16 May - 29 May Etihad Airways

Also check the deals for one-way flights from Ontario to Colombo 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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