AirHint found the following cheapest return flights from Calgary (YYC) to Keflavik (KEF) in July 2025 (see full year).

Return flights

15 Jul - 01 Aug	WestJet	direct
29 Jul - 23 Aug	WestJet	direct
26 Jul - 01 Aug	Air Canada
14 Jul - 21 Jul	WestJet	direct
29 Jul - 03 Aug	WestJet	direct
12 Jul - 20 Jul	WestJet
09 Jul - 17 Jul	WestJet	direct
22 Jul - 26 Jul	WestJet	direct
31 Jul - 01 Aug	WestJet
24 Jul - 29 Jul	Alaska Airlines
24 Jul - 29 Jul	WestJet	direct
26 Jul - 01 Aug	WestJet	direct
12 Jul - 17 Jul	WestJet	direct
11 Jul - 18 Jul	WestJet	direct

Also check the deals for one-way flights from Calgary to Keflavik in July.

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 Calgary to Keflavik in July from $516

Return flights