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

Return flights

24 Jul - 28 Aug	WestJet	direct
22 Jul - 29 Jul	United
12 Jul - 19 Jul	Air Canada
11 Jul - 12 Jul	WestJet
21 Jul - 24 Jul	Air Canada
21 Jul - 24 Jul	WestJet	direct
11 Jul - 12 Jul	WestJet	direct
12 Jul - 19 Jul	WestJet	direct
22 Jul - 29 Jul	WestJet	direct

Also check the deals for one-way flights from Keflavik to Calgary 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 Keflavik to Calgary in July from $606

Return flights