AirHint found the following cheapest return flights from Calgary (YYC) to London (LHR) in July 2026 (see full year).

Return flights

16 Jul - 23 Jul	WestJet	direct
23 Jul - 31 Jul	Finnair
14 Jul - 28 Jul	WestJet	direct
01 Jul - 08 Jul	WestJet	direct
15 Jul - 06 Aug	Air Canada
04 Jul - 25 Jul	WestJet	direct
10 Jul - 17 Jul	WestJet	direct
31 Jul - 14 Aug	Air Canada

Also check the deals for one-way flights from Calgary to London 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 London in July from 731€

Return flights