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

Return flights

13 Jul - 27 Aug	WestJet
27 Jul - 26 Aug	WestJet
06 Jul - 16 Jul	WestJet
06 Jul - 17 Jul	WestJet
06 Jul - 19 Jul	WestJet
08 Jul - 21 Jul	WestJet
01 Jul - 17 Jul	WestJet
13 Jul - 23 Jul	WestJet
01 Jul - 11 Jul	WestJet
20 Jul - 31 Jul	WestJet
08 Jul - 22 Jul	WestJet
13 Jul - 31 Jul	WestJet
29 Jul - 12 Aug	WestJet
22 Jul - 01 Aug	WestJet
22 Jul - 04 Aug	WestJet
22 Jul - 02 Aug	WestJet
20 Jul - 02 Aug	WestJet
22 Jul - 08 Aug	WestJet
15 Jul - 04 Aug	WestJet
27 Jul - 17 Aug	WestJet

Also check the deals for one-way flights from London to Calgary 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 London to Calgary in July from 627€

Return flights