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

Return flights

14 Jul - 23 Jul	WestJet	direct
27 Jul - 20 Aug	WestJet	direct
02 Jul - 09 Jul	WestJet	direct
22 Jul - 28 Jul	WestJet	direct
01 Jul - 14 Jul	WestJet	direct
07 Jul - 16 Jul	WestJet	direct
22 Jul - 05 Aug	Air Canada
29 Jul - 05 Aug	Air Canada
06 Jul - 20 Jul	Air Canada
07 Jul - 14 Jul	Air Canada
05 Jul - 19 Jul	WestJet	direct
02 Jul - 04 Jul	WestJet	direct
08 Jul - 22 Jul	WestJet	direct
16 Jul - 10 Aug	Air Canada
25 Jul - 10 Aug	Air Canada
16 Jul - 11 Aug	WestJet	direct
26 Jul - 10 Aug	Air Canada
25 Jul - 10 Aug	WestJet	direct
16 Jul - 10 Aug	WestJet	direct
31 Jul - 08 Aug	Air Canada

Also check the deals for one-way flights from Calgary to London in July.

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 July from $906

Return flights