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

Return flights

04 Aug - 18 Aug	Ryanair
17 Aug - 24 Aug	Ryanair
05 Aug - 20 Aug	Ryanair
02 Aug - 17 Aug	Ryanair
12 Aug - 16 Aug	Ryanair
03 Aug - 16 Aug	Ryanair
12 Aug - 25 Aug	Ryanair
03 Aug - 10 Aug	Ryanair
12 Aug - 26 Aug	Ryanair
03 Aug - 24 Aug	Ryanair
28 Aug - 01 Sep	Ryanair
28 Aug - 02 Sep	Ryanair
25 Aug - 08 Sep	Ryanair

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

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 August from $866

Return flights