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

Return flights

11 Jun - 18 Jun	Air Canada	direct
16 Jun - 23 Jun	Air Canada	direct
10 Jun - 17 Jun	Air Canada
13 Jun - 20 Jun	Air Canada	direct
18 Jun - 25 Jun	Air Canada	direct
02 Jun - 09 Jun	Lufthansa
02 Jun - 09 Jun	Air Canada	direct
04 Jun - 11 Jun	Air Canada	direct
09 Jun - 16 Jun	Air Canada	direct
01 Jun - 08 Jun	Air Canada
25 Jun - 02 Jul	WestJet
27 Jun - 04 Jul	WestJet
29 Jun - 06 Jul	WestJet
24 Jun - 01 Jul	WestJet
26 Jun - 03 Jul	WestJet
28 Jun - 05 Jul	WestJet
30 Jun - 07 Jul	WestJet
30 Jun - 11 Jul	WestJet
30 Jun - 07 Jul	Air Canada	direct
30 Jun - 11 Jul	Air Canada	direct

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

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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Cheapest return flights from Montreal to Keflavik in June from $591

Return flights