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

Return flights

03 Jun - 08 Jun	Delta
19 Jun - 27 Jun	Delta
01 Jun - 10 Jun	Iberia
03 Jun - 09 Jun	Delta
01 Jun - 10 Jun	WestJet	direct
01 Jun - 14 Jun	KLM
03 Jun - 08 Jun	WestJet	direct
01 Jun - 07 Jun	WestJet	direct
03 Jun - 10 Jun	WestJet	direct
10 Jun - 17 Jun	WestJet	direct
30 Jun - 15 Jul	KLM
29 Jun - 15 Jul	KLM
14 Jun - 05 Jul	KLM
28 Jun - 07 Jul	KLM
30 Jun - 21 Jul	KLM
29 Jun - 21 Jul	KLM
29 Jun - 21 Jul	Air Canada	direct
29 Jun - 15 Jul	Air Canada	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 $768

Return flights