Cheapest return flights from Toronto to Keflavik in May from $514

Best time to book flights for Toronto (YYZ) to Keflavik (KEF) flights at AirHint

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

Return flights

17 May - 23 May Flair Airlines
25 May - 17 Jun Icelandair direct
12 May - 17 May WestJet
30 May - 05 Jun Air Canada
13 May - 17 May SWISS
30 May - 05 Jun Icelandair direct
01 May - 06 May Air Canada
31 May - 07 Jun WestJet
01 May - 06 May Icelandair direct
09 May - 23 May Lufthansa
31 May - 09 Jun WestJet
22 May - 29 May Icelandair direct
07 May - 15 May Icelandair direct
19 May - 26 May Icelandair direct
09 May - 14 May Icelandair direct
31 May - 30 Jun Icelandair direct
31 May - 09 Jun Icelandair direct
30 May - 08 Jun Icelandair direct
31 May - 07 Jun Icelandair direct

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

Skyscanner

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