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

Return flights

01 Jul - 12 Jul	Delta
07 Jul - 21 Jul	KLM
01 Jul - 08 Jul	Delta
01 Jul - 13 Jul	Delta
03 Jul - 14 Jul	Delta
02 Jul - 11 Jul	KLM
10 Jul - 20 Jul	Delta
29 Jul - 05 Aug	KLM
17 Jul - 26 Jul	KLM
06 Jul - 20 Jul	KLM
22 Jul - 10 Aug	KLM
06 Jul - 19 Jul	Delta
20 Jul - 08 Aug	KLM
30 Jul - 08 Aug	KLM
29 Jul - 10 Aug	KLM
30 Jul - 06 Aug	KLM
11 Jul - 08 Aug	KLM
27 Jul - 03 Aug	Delta
27 Jul - 16 Aug	KLM
20 Jul - 01 Aug	KLM

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 $964

Return flights