AirHint found the following cheapest return flights from Toronto (YTZ) to Keflavik (KEF) in April 2026 (see full year).

Return flights

05 Apr - 12 Apr	Porter Airlines (Canada) Ltd
16 Apr - 24 Apr	Porter Airlines (Canada) Ltd
14 Apr - 21 Apr	Porter Airlines (Canada) Ltd
15 Apr - 20 Apr	Porter Airlines (Canada) Ltd
03 Apr - 11 Apr	SWISS

Also check the deals for one-way flights from Toronto to Keflavik in April.

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Cheapest return flights from Toronto to Keflavik in April from $878

Return flights