Cheapest return flights from Toronto to Keflavik in September from 539€

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

Return flights

21 Sep - 11 Oct WestJet
27 Sep - 01 Oct Flair Airlines
30 Sep - 07 Oct Air Canada
20 Sep - 11 Oct Flair Airlines
27 Sep - 02 Oct Flair Airlines
30 Sep - 08 Oct Air Canada
27 Sep - 04 Oct Air Canada
29 Sep - 06 Oct WestJet
27 Sep - 06 Oct Flair Airlines
30 Sep - 06 Oct Air Transat
24 Sep - 29 Sep Icelandair direct
17 Sep - 23 Sep Flair Airlines
18 Sep - 23 Sep Icelandair direct
20 Sep - 24 Sep Flair Airlines
18 Sep - 21 Sep Icelandair direct
21 Sep - 28 Sep Icelandair direct
22 Sep - 28 Sep Icelandair direct
20 Sep - 24 Sep Icelandair direct
20 Sep - 27 Sep Flair Airlines
20 Sep - 30 Sep Flair Airlines

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

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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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