Cheapest return flights from Montreal to Keflavik in August from $660

AirHint found the following cheapest return flights from Montreal (YUL) to Keflavik (KEF) in August 2026 (see full year).

Return flights

04 Aug - 25 Aug Air Canada direct
03 Aug - 29 Aug Air Canada
14 Aug - 05 Sep Air Canada
04 Aug - 24 Aug Air Canada
04 Aug - 21 Aug Air Canada
04 Aug - 22 Aug Air Canada direct
04 Aug - 20 Aug Air Canada direct
01 Aug - 11 Aug Air Canada direct
01 Aug - 18 Aug Air Canada direct
04 Aug - 12 Aug Air Canada
04 Aug - 18 Aug Air Canada direct

Also check the deals for one-way flights from Montreal to Keflavik in August.

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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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