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

Return flights

05 Aug - 20 Aug	WestJet
12 Aug - 26 Aug	WestJet
03 Aug - 20 Aug	WestJet
26 Aug - 08 Sep	WestJet
11 Aug - 25 Aug	WestJet
10 Aug - 22 Aug	WestJet
10 Aug - 25 Aug	WestJet
11 Aug - 24 Aug	WestJet
26 Aug - 02 Sep	WestJet
17 Aug - 26 Aug	WestJet
17 Aug - 27 Aug	WestJet
04 Aug - 14 Aug	WestJet
26 Aug - 16 Sep	WestJet
18 Aug - 01 Sep	WestJet
24 Aug - 12 Sep	WestJet
26 Aug - 09 Sep	WestJet
24 Aug - 13 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 632€

Return flights