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

Return flights

09 Jun - 23 Jun	KLM
03 Jun - 17 Jun	KLM
18 Jun - 25 Jun	KLM
05 Jun - 14 Jun	KLM
06 Jun - 27 Jun	KLM
10 Jun - 20 Jun	KLM
01 Jun - 06 Jun	KLM
01 Jun - 14 Jun	KLM
15 Jun - 22 Jun	KLM
01 Jun - 14 Jul	KLM
06 Jun - 20 Jun	KLM
27 Jun - 18 Jul	KLM
24 Jun - 15 Jul	KLM
23 Jun - 04 Jul	KLM
27 Jun - 16 Jul	KLM
23 Jun - 03 Jul	KLM
08 Jun - 01 Jul	KLM
24 Jun - 09 Jul	KLM
24 Jun - 05 Jul	KLM
27 Jun - 10 Jul	KLM

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 610€

Return flights