AirHint found the following cheapest return flights from Toronto (YYZ) to Keflavik (KEF) in July 2025 (see full year).

Return flights

03 Jul - 08 Jul	Porter Airlines (Canada) Ltd
10 Jul - 19 Jul	Air Canada
08 Jul - 17 Jul	Air Canada
16 Jul - 20 Jul	Air Canada
12 Jul - 20 Jul	Air Canada
06 Jul - 13 Jul	Air Canada	direct
02 Jul - 09 Jul	Air Canada
05 Jul - 12 Jul	Air Canada
12 Jul - 19 Jul	Air Canada
18 Jul - 25 Jul	Air Canada
31 Jul - 07 Aug	Air Canada
25 Jul - 03 Aug	Air Canada
25 Jul - 01 Aug	Air Canada
29 Jul - 04 Aug	Air Canada
26 Jul - 01 Aug	Air Canada
31 Jul - 04 Aug	Air Canada
25 Jul - 02 Aug	Air Canada
26 Jul - 02 Aug	Air Canada
24 Jul - 01 Aug	Air Canada
26 Jul - 02 Aug	Icelandair	direct

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

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 Toronto to Keflavik in July from 493€

Return flights