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

Return flights

09 Jul - 18 Jul	KLM
10 Jul - 21 Jul	KLM
13 Jul - 27 Jul	KLM
12 Jul - 29 Jul	KLM
06 Jul - 18 Jul	KLM
06 Jul - 20 Jul	KLM
12 Jul - 25 Jul	KLM
10 Jul - 20 Jul	KLM
09 Jul - 20 Jul	KLM
13 Jul - 20 Jul	KLM
09 Jul - 03 Aug	KLM
11 Jul - 01 Aug	Finnair
01 Jul - 01 Aug	Air France
27 Jul - 11 Aug	TAP
20 Jul - 02 Aug	TAP
13 Jul - 10 Aug	TAP
27 Jul - 10 Aug	TAP
20 Jul - 03 Aug	KLM
27 Jul - 03 Aug	KLM
28 Jul - 12 Aug	British Airways

Also check the deals for one-way flights from London 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 London to Calgary in July from 633€

Return flights