Cheapest return flights from London to Calgary in September from $710

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

03 Sep - 10 Sep British Airways
23 Sep - 07 Oct Delta
09 Sep - 16 Sep Delta
11 Sep - 23 Sep British Airways
05 Sep - 22 Sep British Airways
11 Sep - 25 Sep British Airways
10 Sep - 30 Sep Delta
23 Sep - 04 Oct Delta
02 Sep - 30 Sep Iberia
18 Sep - 30 Sep British Airways
19 Sep - 30 Sep British Airways
01 Sep - 30 Sep Iberia
27 Sep - 04 Oct British Airways
26 Sep - 03 Oct Iberia
23 Sep - 04 Oct WestJet direct
27 Sep - 04 Oct WestJet direct
09 Sep - 03 Oct WestJet direct
26 Sep - 03 Oct Air Canada 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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