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

Return flights

13 Jul - 20 Jul	KLM
08 Jul - 22 Jul	KLM
04 Jul - 15 Jul	KLM
05 Jul - 19 Jul	KLM
03 Jul - 11 Jul	KLM
13 Jul - 27 Jul	KLM
13 Jul - 29 Jul	KLM
03 Jul - 12 Jul	KLM
14 Jul - 23 Jul	KLM
13 Jul - 23 Jul	KLM
10 Jul - 03 Aug	KLM
10 Jul - 01 Aug	British Airways
31 Jul - 11 Aug	Aer Lingus
26 Jul - 06 Aug	Aer Lingus
30 Jul - 06 Aug	Aer Lingus
27 Jul - 03 Aug	KLM
21 Jul - 04 Aug	KLM
30 Jul - 12 Aug	Aer Lingus
15 Jul - 12 Aug	Aer Lingus
24 Jul - 12 Aug	KLM

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 628€

Return flights