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

Return flights

08 Jun - 15 Jun	WestJet	direct
04 Jun - 09 Jun	WestJet	direct
12 Jun - 15 Jun	WestJet	direct
11 Jun - 15 Jun	WestJet	direct
01 Jun - 14 Jun	WestJet	direct
06 Jun - 18 Jun	WestJet	direct
16 Jun - 29 Jun	WestJet	direct
16 Jun - 07 Jul	Air Canada
13 Jun - 04 Jul	Air Canada
16 Jun - 07 Jul	WestJet	direct
13 Jun - 04 Jul	WestJet	direct
23 Jun - 18 Jul	WestJet	direct
25 Jun - 10 Jul	WestJet	direct

Also check the deals for one-way flights from Calgary to London 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 Calgary to London in June from $663

Return flights