Cheapest return flights from London to Calgary in September from $681

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

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

Return flights

04 Sep - 13 Oct Air Transat
20 Sep - 28 Sep Air Transat
10 Sep - 17 Sep Air Transat
14 Sep - 18 Sep Air Transat
05 Sep - 08 Sep Air Transat
05 Sep - 21 Sep Air Transat
19 Sep - 30 Sep Air Transat
12 Sep - 28 Sep Air Transat
11 Sep - 21 Sep Air Transat
12 Sep - 23 Sep Air Transat
10 Sep - 24 Sep Air Transat
05 Sep - 13 Oct Air Transat
05 Sep - 14 Oct Air Transat
04 Sep - 23 Oct Air Transat
03 Sep - 13 Oct Air Transat
26 Sep - 04 Oct Air Transat
02 Sep - 13 Oct Air Transat
29 Sep - 11 Oct Air Transat
05 Sep - 14 Oct WestJet direct
04 Sep - 23 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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