Cheapest return YUL–KEF flights, October

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

Return flights

03 Oct - 07 Oct Air Canada direct
01 Oct - 08 Oct WestJet
14 Oct - 21 Oct WestJet
16 Oct - 23 Oct WestJet
03 Oct - 10 Oct WestJet
15 Oct - 22 Oct WestJet
12 Oct - 19 Oct WestJet
09 Oct - 16 Oct WestJet
06 Oct - 13 Oct Air Canada
13 Oct - 20 Oct Air Canada
27 Oct - 03 Nov Porter Airlines (Canada) Ltd
29 Oct - 05 Nov Porter Airlines (Canada) Ltd
31 Oct - 07 Nov Porter Airlines (Canada) Ltd
25 Oct - 01 Nov Porter Airlines (Canada) Ltd
28 Oct - 04 Nov Porter Airlines (Canada) Ltd
30 Oct - 06 Nov British Airways

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

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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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