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

Return flights

01 Jun - 10 Jun	WestJet	direct
01 Jun - 15 Jun	WestJet	direct
01 Jun - 14 Jun	WestJet	direct
08 Jun - 17 Jun	WestJet	direct
10 Jun - 17 Jun	WestJet	direct
01 Jun - 08 Jun	WestJet	direct
01 Jun - 17 Jun	WestJet	direct
09 Jun - 16 Jun	WestJet	direct
03 Jun - 17 Jun	British Airways
03 Jun - 14 Jun	British Airways
17 Jun - 01 Jul	KLM
29 Jun - 06 Jul	KLM
22 Jun - 06 Jul	KLM
22 Jun - 12 Jul	KLM
23 Jun - 05 Jul	KLM
30 Jun - 08 Jul	KLM
30 Jun - 14 Jul	KLM
24 Jun - 08 Jul	KLM
22 Jun - 13 Jul	KLM
17 Jun - 01 Jul	WestJet	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 555€

Return flights