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

Return flights

05 Jun - 12 Jun	WestJet	direct
11 Jun - 18 Jun	WestJet	direct
03 Jun - 22 Jun	WestJet	direct
04 Jun - 08 Jun	Air Canada
04 Jun - 08 Jun	Air Canada	direct
04 Jun - 27 Jun	Air Canada
05 Jun - 27 Jun	Air Canada
07 Jun - 27 Jun	Air Canada
14 Jun - 20 Jun	WestJet	direct
15 Jun - 13 Jul	WestJet
01 Jun - 27 Jun	Air Canada
10 Jun - 04 Jul	Air Canada
08 Jun - 04 Jul	Air Canada
16 Jun - 11 Jul	Air Canada
10 Jun - 04 Jul	WestJet	direct
08 Jun - 04 Jul	WestJet	direct
16 Jun - 11 Jul	WestJet	direct
30 Jun - 25 Jul	Iberia
18 Jun - 14 Jul	Air Canada
26 Jun - 04 Jul	WestJet

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 554€

Return flights