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

Return flights

03 Jul - 13 Jul	KLM
07 Jul - 21 Jul	KLM
07 Jul - 14 Jul	KLM
03 Jul - 19 Jul	KLM
01 Jul - 08 Jul	KLM
01 Jul - 19 Jul	KLM
01 Jul - 13 Jul	KLM
01 Jul - 12 Jul	KLM
05 Jul - 14 Jul	KLM
08 Jul - 18 Jul	KLM
27 Jul - 04 Aug	Aer Lingus
23 Jul - 01 Aug	Aer Lingus
23 Jul - 02 Aug	Aer Lingus
27 Jul - 08 Aug	KLM
13 Jul - 03 Aug	Aer Lingus
21 Jul - 05 Aug	Finnair
21 Jul - 04 Aug	Finnair
22 Jul - 05 Aug	Finnair
25 Jul - 01 Aug	Finnair
25 Jul - 08 Aug	Finnair

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 640€

Return flights