Cheapest return flights from Montreal to Keflavik in August from $708

Best time to book flights for Montreal (YUL) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Montreal (YUL) to Keflavik (KEF) in August 2025 (see full year).

Return flights

28 Aug - 04 Sep Air Canada
20 Aug - 27 Aug Air Canada
11 Aug - 18 Aug Air Canada
18 Aug - 25 Aug Air Canada
24 Aug - 31 Aug Air Canada
26 Aug - 02 Sep Air Canada
27 Aug - 03 Sep Air Canada
25 Aug - 01 Sep Air Canada
02 Aug - 17 Aug Air Canada
07 Aug - 14 Aug Air Canada
10 Aug - 17 Aug Air Canada
14 Aug - 21 Aug Air Canada
17 Aug - 24 Aug Air Canada
21 Aug - 28 Aug Air Canada
31 Aug - 07 Sep Air Canada
29 Aug - 05 Sep Air Canada
30 Aug - 06 Sep Air Canada

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

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