Cheapest return flights from London to Calgary in September from 632€

Best time to book flights for London (LHR) to Calgary (YYC) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Calgary (YYC) in September 2025 (see full year).

Return flights

17 Sep - 23 Sep KLM
10 Sep - 22 Sep KLM
10 Sep - 16 Sep KLM
08 Sep - 22 Sep KLM
10 Sep - 18 Sep KLM
02 Sep - 16 Sep KLM
10 Sep - 17 Sep KLM
09 Sep - 25 Sep KLM
22 Sep - 29 Sep KLM
15 Sep - 01 Oct KLM
22 Sep - 02 Oct KLM
09 Sep - 24 Sep Air France
17 Sep - 01 Oct KLM
29 Sep - 07 Oct Air France
20 Sep - 04 Oct Air Canada
09 Sep - 31 Oct Air France
18 Sep - 05 Oct Air France
27 Sep - 11 Oct Air Canada
15 Sep - 01 Oct WestJet direct
17 Sep - 01 Oct WestJet direct

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

Skyscanner

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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