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

Return flights

01 Jun - 08 Jun	KLM
02 Jun - 09 Jun	Virgin Atlantic
01 Jun - 14 Jun	KLM
01 Jun - 07 Jun	KLM
16 Jun - 30 Jun	SWISS
06 Jun - 13 Jun	Lufthansa
06 Jun - 20 Jun	Lufthansa
10 Jun - 20 Jun	KLM
14 Jun - 30 Jun	SWISS
12 Jun - 01 Jul	SWISS
22 Jun - 02 Jul	Air Canada
08 Jun - 28 Jun	Air Canada
12 Jun - 01 Jul	Lufthansa	direct
18 Jun - 02 Jul	Air Canada
25 Jun - 01 Jul	Lufthansa	direct

Also check the deals for one-way flights from London to Calgary in June.

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 June from 686€

Return flights